Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 2889. Отображено 100.
10-07-2006 дата публикации

ВЗРЫВНОЙ ПАТРОН

Номер: RU0000054665U1
Автор: Дочилов Николай Егорович, Ерамасов Евгений Алексеевич, Жарков Александр Сергеевич, Петров Евгений Анатольевич, Удовиченко Виктор Петрович
Принадлежит: Федеральное государственное унитарное предприятие Федеральный научно-производственный центр "Алтай"

1. Взрывной патрон, содержащий заряд из предохранительного взрывчатого вещества на основе нитроэфиров, селитры натриевой, хлористого аммония, хлористого натрия или калия, муки древесной, стеарата кальция, нитроклетчатки и соды кальцинированной, размещенный в бумажной оболочке, снабженной влагоизолирующим покрытием, отличающийся тем, что его плотность составляет 1,15-1,30 г/см, влагоизолирующее покрытие выполнено двуслойным, взрывчатое вещество обладает критической плотностью 1,35 г/см, содержит нитроглицерина в нитроэфирах 67-70%, в качестве нитроклетчатки - коллоксилин и дополнительно содержит натриевую соль КМЦ, при этом удельная поверхность частиц селитры натриевой - 600-900 см/г, хлористого натрия или калия - 400-700 см/г, стеарата кальция - не менее 10000 см/г, муки древесной - 2000-3000 см/г, натриевой соли КМЦ-2500-4000 см/г, при следующем соотношении компонентов, мас.%: 2. Патрон по п.1, отличающийся тем, что каждый слой покрытия образован путем окунания оболочки в расплавленную влагоизолирующую смесь в два приема с временным интервалом между ними 5-7 с и выдержкой оболочки в смеси при первом окунаний 2-4 с, а при втором - 1-3 с. (19) РОССИЙСКАЯ ФЕДЕРАЦИЯ RU (11) 54 665 (13) U1 (51) МПК F42D 1/00 (2006.01) C06B 25/00 (2006.01) C06B 31/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2005133470/22 , 28.10.2005 (24) Дата начала отсчета срока действия патента: 28.10.2005 (45) Опубликовано: 10.07.2006 5 4 6 6 5 R U Формула полезной модели 1. Взрывной патрон, содержащий заряд из предохранительного взрывчатого вещества на основе нитроэфиров, селитры натриевой, хлористого аммония, хлористого натрия или калия, муки древесной, стеарата кальция, нитроклетчатки и соды кальцинированной, размещенный в бумажной оболочке, снабженной влагоизолирующим покрытием, отличающийся тем, что его плотность составляет 1,151,30 г/см 3, влагоизолирующее покрытие выполнено двуслойным, ...

Подробнее
Номер записи: 1
10-08-2012 дата публикации

ШАШКА-ДЕТОНАТОР

Номер: RU0000118959U1
Автор: Бойцов Василий Иванович, Гороховцев Андрей Георгиевич, Ильин Владимир Петрович, Печенев Юрий Геннадьевич
Принадлежит: Федеральное государственное унитарное предприятие "Государственный научно-исследовательский институт "Кристалл" (ФГУП "ГосНИИ "Кристалл")

1. Шашка-детонатор для промышленного взрывания, состоящая из оболочки и литого заряда взрывчатого вещества (ВВ), имеющего канал и одно или два гнезда, и изготавливаемого из смеси тэна с тротилом, отличающаяся тем, что заряд ВВ дополнительно содержит чистую двуокись кремния с удельной поверхностью 175 м/г или 300 м/г, взятую в количестве 0,5-2 мас.% (сверх 100%). 2. Шашка-детонатор по п.1, отличающаяся тем, что содержание тэна в заряде составляет 30-40 мас.%. 3. Шашка-детонатор по п.1 или 2, отличающаяся тем, что заряд изготавливается с применением порошкообразного пентолита. 4. Шашка-детонатор по любому из пп.1-3, отличающаяся тем, что оболочка выполнена из полиэтилена, полипропилена или термоусадочной пленки. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C06B 25/10 (13) 118 959 U1 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ 2011141606/05, 13.10.2011 (24) Дата начала отсчета срока действия патента: 13.10.2011 (45) Опубликовано: 10.08.2012 Бюл. № 22 (54) ШАШКА-ДЕТОНАТОР Формула полезной модели 1. Шашка-детонатор для промышленного взрывания, состоящая из оболочки и литого заряда взрывчатого вещества (ВВ), имеющего канал и одно или два гнезда, и изготавливаемого из смеси тэна с тротилом, отличающаяся тем, что заряд ВВ U 1 1 1 8 9 5 9 R U или 300 м2/г, взятую в количестве 0,5-2 мас.% (сверх 100%). 2. Шашка-детонатор по п.1, отличающаяся тем, что содержание тэна в заряде составляет 30-40 мас.%. 3. Шашка-детонатор по п.1 или 2, отличающаяся тем, что заряд изготавливается с применением порошкообразного пентолита. 4. Шашка-детонатор по любому из пп.1-3, отличающаяся тем, что оболочка выполнена из полиэтилена, полипропилена или термоусадочной пленки. Стр.: 1 U 1 дополнительно содержит чистую двуокись кремния с удельной поверхностью 175 м2/г 1 1 8 9 5 9 Адрес для переписки: 606007, Нижегородская обл., г. Дзержинск, ул. Зеленая, 6, ФГУП "ГосНИИ "Кристалл" (73) Патентообладатель(и): Федеральное ...

Подробнее
Номер записи: 2
20-12-2012 дата публикации

ТРОТИЛОВАЯ ШАШКА-ДЕТОНАТОР

Номер: RU0000123005U1
Автор: Бойцов Василий Иванович, Гороховцев Андрей Георгиевич, Ильин Владимир Петрович, Шарыкина Галина Владимировна
Принадлежит: Открытое акционерное общество "Государственный научно-исследовательский институт "Кристалл" (ОАО "ГосНИИ "Кристалл") (ОАО "ГосНИИ "Кристалл")

1. Шашка-детонатор, состоящая из оболочки и заряда тротила, имеющего сквозной канал и одно или два гнезда и изготавливаемого путем пропитки расплавом гранул тротила под вакуумом, отличающаяся тем, что заряд снабжен одним или двумя дополнительными детонаторами из литьевого взрывчатого вещества (ВВ) на основе гексогена или ТЭНа, представляющими собой цилиндрическую шашку массой 8-15 г с гнездом глубиной 10-15 мм, совмещенным с гнездом заряда. 2. Шашка-детонатор по п.1, отличающаяся тем, что дополнительный детонатор выполнен из литьевой смеси тротила с гексогеном, при этом содержание гексогена составляет от 55 до 65%. 3. Шашка-детонатор по п.1, отличающаяся тем, что дополнительный детонатор выполнен из литьевой смеси тротила с тэном (пентолита), при этом содержание тэна составляет от 45 до 55%. 4. Шашка-детонатор по любому из пп.1-3, отличающаяся тем, что оболочка выполнена из термоусадочной пленки, например из термоусадочной ПВХ-пленки, и покрывает цилиндрическую и края торцевых поверхностей заряда. 5. Шашка-детонатор по любому из пп.1-3, отличающаяся тем, что оболочка представляет собой многослойный проклеенный бумажный цилиндр. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C06B 25/00 (13) 123 005 U1 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ 2012117358/05, 26.04.2012 (24) Дата начала отсчета срока действия патента: 26.04.2012 (45) Опубликовано: 20.12.2012 Бюл. № 35 1 2 3 0 0 5 R U Формула полезной модели 1. Шашка-детонатор, состоящая из оболочки и заряда тротила, имеющего сквозной канал и одно или два гнезда и изготавливаемого путем пропитки расплавом гранул тротила под вакуумом, отличающаяся тем, что заряд снабжен одним или двумя дополнительными детонаторами из литьевого взрывчатого вещества (ВВ) на основе гексогена или ТЭНа, представляющими собой цилиндрическую шашку массой 8-15 г с гнездом глубиной 10-15 мм, совмещенным с гнездом заряда. 2. Шашка-детонатор по п.1, отличающаяся тем, что ...

Подробнее
Номер записи: 3
20-08-2016 дата публикации

ШАШКА-ДЕТОНАТОР ЛИТАЯ

Номер: RU0000164061U1
Автор: Головин Виктор Витальевич, Жамилова Зитта Андреевна, Крючков Максим Викторович, Сергеев Анатолий Григорьевич
Принадлежит: Федеральное казенное предприятие "Бийский олеумный завод"

1. Шашка-детонатор литая для промышленного взрывания, состоящая из взрывчатого материала, содержащего смесь твердого дисперсного бризантного компонента и литого тротила, выполненного со сквозным каналом и гнездом, входные отверстия которых соединены выемкой, полимерной оболочки и полимерного диска с торца, где выполнено только отверстие сквозного канала, отличающаяся тем, что взрывчатый материал дополнительно содержит мононитротолуол при следующем соотношении компонентов, мас. %: при этом размер частиц твердого дисперсного бризантного компонента не более 1,4 мм. 2. Шашка-детонатор по п. 1, отличающаяся тем, что мононитротолуол содержит пара-мононитротолуол (п-МНТ) или орто-мононитротолуол (о-МНТ), или мета-мононитротолуол (м-МНТ), или их смеси, или имеет состав согласно нормативной документации. 3. Шашка-детонатор по п. 1, отличающаяся тем, что взрывчатый материал в качестве твердого дисперсного бризантного компонента содержит гексоген или ТЭН. 4. Шашка-детонатор по п. 3, отличающаяся тем, что гексоген флегматизированный. 5. Шашка-детонатор по п. 1, отличающаяся тем, что толщина полимерной оболочки и полимерного диска 0,5-1,6 мм. 6. Шашка-детонатор по п. 1, отличающаяся тем, что мононитротолуол содержится в смеси с динитротолуолом. 164061 И 1 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ ВУ” 164 061” 44 ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ИЗВЕЩЕНИЯ К ПАТЕНТУ НА ПОЛЕЗНУЮ МОДЕЛЬ ММ9К Досрочное прекращение действия патента из-за неуплаты в установленный срок пошлины за поддержание патента в силе Дата прекращения действия патента: 13.11.2020 Дата внесения записи в Государственный реестр: 24.09.2021 Дата публикации и номер бюллетеня: 24.09.2021 Бюл. №27 Стр.: 1 Г9ОУ9 па ЕП

Подробнее
Номер записи: 4
07-06-2012 дата публикации

Black Powder Substitutes for Small Caliber Firearms

Номер: US20120138200A1
Автор: Daniel Lepage, Mathieu Racette, Staphane Viau
Принадлежит: Individual

Propellant compositions are provided herein for use in small arms cartridges. Such propellant compositions include a cellulose-based organic fuel, a non-azide, nitrogen-containing primary organic oxidizer and a secondary nitrate, perchlorate, chlorate of peroxide oxidizer. Preferably, such compositions are in the form of extruded shaped hollow cylindrical grains having dimensions that makes it loadable in a muzzleloader firearm or small calibre firearm cartridge case. Ignition grains are also provided for use alone or in a mixture with the propellant compositions. When used in a small calibre firearm or muzzleloader, the temperature of combustion is at a level that ensures substantially complete combustion of the fuel during firing so that the products of combustion are mostly gaseous.

Подробнее
Номер записи: 5
21-03-2013 дата публикации

Gas Generant Manufacturing Method

Номер: US20130068354A1
Автор: Domazet Slaven, Ganta Sudhakar R., Hordos Deborah L., Williams Graylon K.
Принадлежит:

A method of forming a gas generating composition containing a salt of dinitrosalicylic acid and ammonium nitrate or phase stabilized ammonium nitrate. The method involves the co-precipitation of a salt of 3,5-dinitrosalicylic acid with phase stabilized ammonium nitrate. A gas generating composition is also presented along with a gas generator containing the gas generating composition . The gas generator may be contained within a gas generating system such as an airbag inflator or seat belt assembly , or more broadly within a vehicle occupant protection system 1. A method of forming a gas generating composition comprising the following steps:providing a solvent within a jacketed mixing vessel;adding a stoichiometric amount of dinitrosalicylic acid to the solvent and stirring;adding at least one oxidizer in a stoichiometric amount to the solution and stifling, the oxidizer selected from ammonium nitrate and phase stabilized ammonium nitrate; andadding a precipitating agent to the composition and continuing to stir, thereby forming solids.2. The method of wherein the solvent is selected from water claim 1 , ethanol claim 1 , methanol claim 1 , propanol claim 1 , and any other solvent miscible with water.3. The method of wherein the precipitating agent is a potassium source and is added when ammonium nitrate is added to the vessel.4. The method of wherein the precipitating agent is selected from potassium nitrate claim 3 , potassium hydroxide claim 3 , and dipotassium carbonate.5. The method of wherein the precipitating agent is an ammonium source and is added when phase stabilized ammonium nitrate is added to the vessel.6. The method of wherein the precipitating agent is selected from ammonium hydroxide and ammonium carbonate.7. The method of further comprising the step of adding a secondary fuel to the vessel and continuing to stir.8. The method of wherein diammonium salt of 5 claim 7 ,5′-bis-1H-tetrazole is added as a secondary fuel.9. The method of wherein the ...

Подробнее
Номер записи: 6
12-09-2013 дата публикации

GAS GENERATING COMPOSITION AND USE THEREOF IN PEDESTRIAN PROTECTION DEVICES

Номер: US20130233636A1
Автор: Friedrich Jörg, Hofmann Achim, Rodig Karl-Heinz, Zeuner Siegfried
Принадлежит: TRW Airbag Systems Gmbh

The invention relates to gas generating compositions for use in safety devices for vehicles. In particular, the invention relates to said compositions based on guanidine nitrate used in pedestrian protection devices. The composition substantially comprises 75 to 98% by weight of guanidine nitrate as fuel and 2 to 25% by weight of a burn accelerator selected from the group of the transition metal compounds, the metal nitrates, metal chlorates, metal perchlorates, ammonium perchlorate and mixtures thereof, wherein the transition metal compounds are selected from the compounds of the transition metals Ti, Cr, Mn, Fe, Cu, Zn, Zr and Mo and wherein the gas generating composition exhibits a burn rate of from 3 to 17 mm/s at 20 MPa. 1. A gas generating composition , especially for use in safety devices for vehicles , having a gas yield of at least 85% , the composition substantially comprising 75 to 98% by weight of guanidine nitrate as fuel and 2 to 25% by weight of a burn accelerator selected from the group of the transition metal compounds , the metal nitrates , metal chlorates , metal perchlorates , ammonium perchlorate and mixtures thereof , wherein the transition metal compounds are selected from the compounds of the transition metals Ti , Cr , Mn , Fe , Cu , Zn , Zr and Mo , and wherein the gas generating composition has a burn rate of 3 to 17 mm/s at 20 MPa.2. The composition according to claim 1 , characterized in that the molar gas yield of the gas generating composition amounts to at least 0.035 mole/g.3. The composition according to claim 1 , wherein the volume-related gas yield of the gas generating composition amounts to at least 0.059 mole/cm.4. The composition according to claim 1 , wherein the burn rate is within the range of from 7 to 16 mm/s at 20 MPa.5. The composition according to claim 1 , wherein the burn rate is within the range of from 10 to 17 mm/s at 20 MPa.6. The composition according to claim 1 , wherein the gas generating composition exhibits ...

Подробнее
Номер записи: 7
05-12-2013 дата публикации

GAS GENERATING COMPOSITION

Номер: US20130319586A1
Автор: Kobayashi Syouji
Принадлежит: Daicel Corporation

Provided is a gas generating agent with a low combustion temperature and good ignition ability. The gas generating agent includes: (a) a fuel; (b) an oxidizing agent including a basic metal nitrate; (c) a basic metal carbonate; and (d) a binder (not including a component selected from starch, etherified starch, methyl cellulose, hydroxyethyl methyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl cellulose, guar gum, etherified guar gum, tamarind gum, poly(vinyl alcohol), polyvinyl ether, polyacrylamide, polyethylene oxide, and polyvinyl pyrrolidone). The fuel of the component (a) includes melamine cyanurate (MC) and nitroguanidine (NQ), with MC/NQ (ratio of contents) of being within a range of 0.20 to 1.50. 13.-. (canceled)4. A gas generating composition comprising:(a) a fuel;(b) an oxidizing agent including a basic metal nitrate;(c) a basic metal carbonate; and(d) a binder, not including starch, etherified starch, methyl cellulose, hydroxyethyl methyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl cellulose, guar gum, etherified guar gum, tamarind gum, poly(vinyl alcohol), polyvinyl ether, polyacrylamide, polyethylene oxide, and polyvinyl pyrrolidone,the fuel of the component (a) including melamine cyanurate (MC) and nitroguanidine (NQ), with a ratio (MC/NQ) of contents of MC and NQ being within a range of 0.20 to 1.50;the content of the component (b) being larger than the content of the component (c), a ratio of the content of the component (b)/the content of the component (c) being equal to or greater than 1.00.5. The gas generating composition according to claim 4 , whereinthe content of the fuel of the component (a) is 20 to 50% by mass;the content of the oxidizing agent of the component (b) is 30 to 75% by mass;the content of the basic metal carbonate of the component (c) is 3 to 30% by mass; andthe content of the binder of the component (d) is 2 to 10% by mass.6. The gas generating composition according to claim 4 , whereinthe binder of the ...

Подробнее
Номер записи: 8
26-12-2013 дата публикации

GAS GENERATING COMPOSITION

Номер: US20130340900A1
Автор: Kobayashi Syouji, Wu Jianzhou
Принадлежит: Daicel Corporation

Provided is a gas generating composition with a low combustion temperature, good ignition ability, and a high heat resistance. 15-. (canceled)6. A gas generating composition comprising: (a) a fuel; (b) an oxidizing agent comprising a basic metal nitrate; (c) a basic metal carbonate; and (d) a binder , the fuel of the component (a) comprising melamine cyanurate (MC) and nitroguanidine (NQ) , with a ratio (MC/NQ) of contents of MC and NQ being within a range of 0.3 to 1.5; andthe binder of the component (d) being one or two or more selected from the group consisting of:(d-1) starch, etherified starch, methyl cellulose, hydroxyethyl methyl cellulose, hydroxypropyl methyl cellulose, and hydroxyethyl cellulose;(d-2) poly(vinyl alcohol), polyvinyl ether, polyethylene oxide, polyvinyl pyrrolidone, and polyacrylamide; and(d-3) guar gum, etherified guar gum, and tamarind gum.7. The gas generating composition according to claim 6 , wherein the binder of the component (d) is a combination of a binder selected from the group consisting of (d-2) with carboxymethyl cellulose sodium salt.8. The gas generating composition according to claim 6 , wherein the binder of the component (d) is a combination of a binder selected from the group consisting of (d-1) with a binder selected from the group consisting of (d-2).9. The gas generating composition according to claim 6 , whereinthe content of the fuel (a) is 15 to 40% by mass;the content of the oxidizing agent comprising a basic metal nitrate is 40 to 83% by mass;the content of the basic metal carbonate (c) is 1 to 15% by mass; andthe content of the binder (d) is 1 to 15% by mass.10. The gas generating composition according to claim 6 , wherein {'br': None, 'sup': 'n', 'the equation: r=aP'}, 'a pressure index (n) represented by the following equation below is equal to or less than 0.2where r is a burning rate, a is a constant (a value inherent to the gas generating composition), P is a pressure inside an inflator, and n is a pressure ...

Подробнее
Номер записи: 9
30-01-2014 дата публикации

Ether-based reactive plasticizer for plastic bonded explosives

Номер: US20140031593A1
Автор: Bum Jae Lee, In Joo Bae, Jin Seuk Kim, Young Hwan Kwon
Принадлежит: Agency for Defence Development

Disclosed is an energetic reactive plasticizer for a plastic bonded explosive (PBX), and specifically an energetic reactive plasticizer for PBX which has high performance and insensitiveness without a plasticizer leak by being bonded with a polymer binder for a plastic bonded explosive.

Подробнее
Номер записи: 10
02-01-2020 дата публикации

GAS-GENERATING PYROTECHNIC SOLID OBJECTS

Номер: US20200002243A1
Автор: BESOMBES Stéphane L., DOILLON Aurélien R.
Принадлежит:

Gas-generating pyrotechnic solid objects, the composition of which, free of binder and of explosive ingredient, expressed as weight percentages, contains from 35 to 50%, advantageously from 40 to 50%, of guanidine nitrate, from 35 to 50% of basic copper nitrate, from 0.5 to 6% of at least one compound chosen from alumina and inorganic titanates, the melting point of which is above 2100 K, and from 5 to 18% of at least one inorganic oxalate, chosen from sodium oxalate, tin oxalate, strontium oxalate, iron oxalate, copper oxalate and mixtures thereof. 1. A gas-generating pyrotechnic solid object , the composition of which , expressed as weight percentages , contains:from 35 to 50% of guanidine nitrate,from 35 to 50% of basic copper nitrate,from 0.5 to 6% of at least one compound selected from the group consisting of alumina and inorganic titanates, the melting point of which is above 2100 K, andfrom 5 to 18% of at least one inorganic oxalate, selected from the group consisting of sodium oxalate, tin oxalate, strontium oxalate, iron oxalate, copper oxalate and mixtures thereof;said composition being free of binder and of explosive ingredient.2. The object as claimed in claim 1 , wherein said at least one inorganic oxalate is selected from the group consisting of sodium oxalate claim 1 , strontium oxalate and copper oxalate.3. The object as claimed in claim 1 , the composition of which claim 1 , expressed as weight percentages claim 1 , contains:from 35 to 50% of guanidine nitrate,from 35 to 45% of basic copper nitrate,from 1 to 6%, advantageously 3 to 5%, of at least one compound selected from the group consisting of alumina and inorganic titanates, the melting point of which is above 2100 K, andfrom 5 to 15% of at least one inorganic oxalate selected from the group consisting of sodium oxalate, tin oxalate and mixtures thereof.4. The object as claimed in claim 1 , wherein said at least one inorganic titanate chosen is selected from the group consisting of strontium ...

Подробнее
Номер записи: 11
03-01-2019 дата публикации

HYDROGEN PEROXIDE SOLVATES OF ENERGETIC MATERIALS

Номер: US20190002361A1
Автор: BENNION Jonathan C., Matzger Adam
Принадлежит:

A crystalline composition including an energetic material and hydrogen peroxide, both having observable electron density in a crystal structure of the composition, is provided. Methods of making the crystalline composition are also provided. 1. A crystalline composition comprising an energetic material and hydrogen peroxide , both having observable electron density in a crystal structure of the composition.2. The crystalline composition of claim 1 , wherein the energetic material is 2 claim 1 ,4 claim 1 ,6 claim 1 ,8 claim 1 ,10 claim 1 ,12-hexanitro-2 claim 1 ,4 claim 1 ,6 claim 1 ,8 claim 1 ,10 claim 1 ,12-hexaazaisowurtzita (CL-20).3. The crystalline composition of claim 2 , wherein the crystalline composition has a crystal structure having space group C2/c.4. The crystalline composition of claim 2 , characterized by having a peak in the Raman spectrum at 872 cm claim 2 , 3517 cm claim 2 , or both.5. The crystalline composition of claim 2 , wherein the crystalline composition has a crystal structure having space group Pbca.6. The crystalline composition of claim 2 , characterized by having a peak in the Raman spectrum at 866 cm claim 2 , 3557 cm claim 2 , or both.7. The crystalline composition of claim 1 , wherein the energetic material is 5 claim 1 ,5′-Dinitro-2H claim 1 ,2H′-3 claim 1 ,3′-bi-1 claim 1 ,2 claim 1 ,4-triazole (DNBT).8. The crystalline composition of claim 1 , wherein the energetic material is an organic nitro compound.9. The crystalline composition of claim 1 , wherein the crystalline composition has an energetic material:hydrogen peroxide ratio of from about 1:1 to about 10:1.10. The crystalline composition of claim 1 , wherein the crystalline composition has an oxygen balance that is higher than a second oxygen balance of a corresponding water solvate comprising the same energetic material claim 1 , but including water instead of hydrogen peroxide.11. A composition comprising: an organic nitro compound, nitrate ester, nitramine, or azole; and', ...

Подробнее
Номер записи: 12
19-01-2017 дата публикации

DETONATION CONTROL

Номер: US20170016703A1
Автор: Bronisz Lawrence E., Mace Jonathan L., Seitz Gerald J.
Принадлежит: Los Alamos National Security, LLC

Detonation control modules and detonation control circuits are provided herein. A trigger input signal can cause a detonation control module to trigger a detonator. A detonation control module can include a timing circuit, a light-producing diode such as a laser diode, an optically triggered diode, and a high-voltage capacitor. The trigger input signal can activate the timing circuit. The timing circuit can control activation of the light-producing diode. Activation of the light-producing diode illuminates and activates the optically triggered diode. The optically triggered diode can be coupled between the high-voltage capacitor and the detonator. Activation of the optically triggered diode causes a power pulse to be released from the high-voltage capacitor that triggers the detonator. 1. A detonation control module , comprising:a high-voltage capacitor;an optically triggered diode coupled between the high-voltage capacitor and a detonator;a light-producing diode positioned to activate the optically triggered diode; anda timing circuit that controls activation of the light-producing diode.2. The detonation control module of claim 1 , wherein activation of the light-producing diode illuminates the optically triggered diode and causes a power pulse to be released from the high-voltage capacitor to the detonator.3. The detonation control module of claim 2 , wherein the optically triggered diode is reverse biased claim 2 , and wherein avalanche breakdown of the optically triggered diode causes the power pulse to be released from the high-voltage capacitor.4. The detonation control module of claim 1 , further comprising a transistor coupled to a trigger input signal claim 1 , the transistor preventing activation of the detonator by stray signals.5. The detonation control module of claim 4 , wherein the transistor is a field effect transistor (FET) claim 4 , and wherein activation of the detonator by stray signals is prevented by a parasitic capacitance of the FET and a ...

Подробнее
Номер записи: 13
28-01-2016 дата публикации

3,3'-DINITRO-5,5'-BISTRIAZOLE-1'-DIOL

Номер: US20160024029A1
Автор: Dippold Alexander, Klapötke Thomas M.
Принадлежит:

The invention relates to 3,3′-dinitro-5,5′-bis-triazole-1,1′-diol and to salts thereof, and to an energetic active mass comprising said salts. 1. 3 ,3′-dinitro-5 ,5′-bis-triazole-1 ,1′-diol.2. A salt of 3 ,3′-dinitro-5 ,5′-bis-triazole-1 ,1′-diol.3. A salt as defined in claim 2 , which is a dihydroxylammonium salt claim 2 , a diguanidinium salt claim 2 , or a di-triaminoguanidinium salt of 3 claim 2 ,3′-dinitro-5 claim 2 ,5′-bis-triazole-1 claim 2 ,1′-diol.4. An energetic active mass comprising a dihydroxylammonium salt claim 2 , a diguanidinium salt claim 2 , or a di-triaminoguanidinium salt of 3 claim 2 ,3′-dinitro-5 claim 2 ,5′-bis-triazole-1 claim 2 ,1′-diol.5. The use of a dihydroxylammonium salt claim 2 , a diguanidinium salt claim 2 , or a di-triaminoguanidinium salt of 3 claim 2 ,3′-dinitro-5 claim 2 ,5′-bis-triazole-1 claim 2 ,1′-diol as an explosive claim 2 , a propellant claim 2 , a pyrotechnic gas-producing means claim 2 , or as an additive to a solid propellant.6. A method for the production of 3 claim 2 ,3′-dinitro-5 claim 2 ,5′-bis-triazole-1 claim 2 ,1′-diol claim 2 , wherein 3 claim 2 ,3′-dinitro-5 claim 2 ,5′-bis-(1H-1 claim 2 ,2 claim 2 ,4-triazole) (DNBT) is oxidized to the 3 claim 2 ,3′-dinitro-5 claim 2 ,5′-bis-(1 claim 2 ,2 claim 2 ,4-triazole)-1 claim 2 ,1′-diol (DNBTO).7. A method as defined in claim 6 , wherein said DNBT is oxidized by means of 2KHSO.KHSO.KSOor some other inorganic or organic peroxoacid claim 6 , perborate claim 6 , hydrogen peroxide claim 6 , or hypofluorous acid or some other oxygen transfer agent.8. A method as defined in claim 6 , wherein said DNBT is obtained by diazotization of 3 claim 6 ,3′-diamino-5 claim 6 ,5′-bis-(1H-1 claim 6 ,2 claim 6 ,4-triazole) (DABT) in sulfuric acid in the presence of nitrite.9. A method as defined in claim 8 , in which said DABT is obtained by reaction of oxalic acid and aminoguanidine bicarbonate in an acid claim 8 , more particularly in concentrated hydrochloric acid claim 8 , ...

Подробнее
Номер записи: 14
04-02-2016 дата публикации

PHOTOACTIVE ENERGETIC MATERIALS

Номер: US20160031767A1
Автор: Chavez David E., Hanson Susan Kloek, Myers Thomas Winfield, Scharff Robert Jason, Veauthier Jacqueline Marie
Принадлежит:

Energetic materials that are photoactive or believed to be photoactive may include a conventional explosive (e.g. PETN, nitroglycerine) derivatized with an energetic UV-absorbing and/or VIS-absorbing chromophore such as 1,2,4,5-tetrazine or 1,3,5-triazine. Absorption of laser light having a suitably chosen wavelength may result in photodissociation, decomposition, and explosive release of energy. These materials may be used as ligands to form complexes. Coordination compounds include such complexes with counterions. Some having the formula M(L) were synthesized, wherein M is a transition metal and L is a ligand and n is 2 or 3. These may be photoactive upon exposure to a laser light beam having an appropriate wavelength of UV light, near-IR and/or visible light. Photoactive materials also include coordination compounds bearing non-energetic ligands; in this case, the counterion may be an oxidant such as perchlorate. 3. The composition of claim 1 , wherein X═Y═—OCHC(CHONO).4. The composition of claim 1 , wherein X═Y═—OCHC((F)(NO)).5. The composition of claim 1 , wherein X═Y═—OCH(ONO).9. A coordination compound comprising:a cationic complex comprising a transition metal center;at least one ligand comprising a 1,2,4,5-tetrazine ring or a 1,3,5-triazine ring coordinated to the transition metal center;at least one explosive pendant group covalently bonded to the 1,2,4,5-tetrazine ring or 1,3,5-triazine ring; anda counterion.10. The coordination compound of claim 9 , wherein the transition metal center comprises Fe claim 9 , Cu claim 9 , Ni claim 9 , or Co.14. The coordination compound of claim 9 , wherein the counterion is selected from tetrafluoroborate (BF) claim 9 , nitrate (NO) claim 9 , perchlorate (ClO) claim 9 , sulfate (SO) claim 9 , phosphate (PO) claim 9 , and carbonate (CO). This application claims the benefit of U.S. Provisional Patent Application No. 61/993,707 entitled “Photoactive Energetic Materials,” filed May 15, 2014, which is hereby incorporated by ...

Подробнее
Номер записи: 15
01-02-2018 дата публикации

IONONE STABILISERS FOR NITROCELLULOSE-BASED PROPELLANTS

Номер: US20180029951A1
Автор: DEJEAIFVE ALAIN, DOBSON ROWAN
Принадлежит: PB CLERMONT SA

The present disclosure is directed to a nitrocellulose-based propellant composition comprising: (a) a nitrate ester-based propellant comprising nitrocellulose; and (b) a stabiliser comprising a non-aromatic compound (12) consisting of a general ionone formula (12-I), (12-II), (12-III) or (12-IV): 2. The propellant composition according to claim 1 , wherein the nitrate ester-based propellant consists of nitrocellulose alone as a single base or of a mixture comprising nitrocellulose in combination with at least a blasting oil and/or at least one energetic additive as a double or higher base.3. The propellant composition according to claim 1 , wherein the non-aromatic compound is a substance capable of reacting by H-abstraction with radical groups formed by degradation of the nitrate ester to form a first by-product capable of further reacting with NOx and/or alkoxy groups formed by degradation of the nitrate ester to form a second by-product comprising no NNO groups.4. The propellant composition according to claim 3 , wherein the second by-product is capable of reaction with radical groups formed by degradation of the nitrate ester for forming third and subsequent by-products capable of reacting with such radical alkoxy groups or with NOx.5. The propellant composition according to claim 2 , wherein the blasting oil comprises at least a nitrated polyol obtainable by nitration of polyol selected from a group consisting of glycerol claim 2 , glycol claim 2 , diethylene glycol claim 2 , triethylene glycol and metriol claim 2 , and wherein the at least one energetic additive is an energetic plasticizer selected from the group of nitramines claim 2 , including butyl-NENA claim 2 , dinitrodiazaalkane (DNDA) claim 2 , or is an explosive comprising RDX claim 2 , HMX claim 2 , FOX-7 claim 2 , FOX-12 claim 2 , CL20.7. The propellant composition according to claim 1 , wherein the non-aromatic compound is present in the composition in an amount comprised between 0.1 and 5.0 wt. % ...

Подробнее
Номер записи: 16
01-02-2018 дата публикации

TOCOPHEROL STABILISERS FOR NITROCELLULOSE-BASED PROPELLANTS

Номер: US20180029952A1
Автор: DEJEAIFVE ALAIN, DOBSON ROWAN
Принадлежит: PB CLERMONT SA

The present disclosure is directed to a nitrocellulose-based propellant composition comprising: (a) a nitrate ester based propellant comprising nitrocellulose; and (b) a stabiliser consisting of a tocopherol compound with a general formula (I), 2. The propellant composition according to claim 1 , wherein the nitrate ester based propellant consists of nitrocellulose alone as a single base or of a mixture comprising nitrocellulose in combination with at least a blasting oil and/or at least one energetic additive as a double or higher base.3. The propellant composition according to claim 1 , wherein the stabiliser is a component capable of reacting by H-abstraction with radical alkoxy groups formed by degradation of the nitrate ester to form a first by-product capable of reacting with NOx formed by degradation of the nitrate ester to form a second by-product comprising no NNO groups.4. The propellant composition according to claim 3 , wherein the second by-product is capable of reaction with radical alkoxy groups or with NOx formed by degradation of the nitrate ester to form a third and subsequent by-products capable of reacting with such radical alkoxy groups or with NOx.5. The propellant composition according to claim 2 , wherein the blasting oil comprises at least a nitrated polyol obtainable by nitration of a polyol selected from a group consisting of glycerol claim 2 , glycol claim 2 , diethylene glycol claim 2 , triethylene glycol and metriol claim 2 , and wherein the at least one energetic additive is an energetic plasticizer selected from the group of nitramines claim 2 , such as butyl-NENA claim 2 , dinitrodiazaalkane (DNDA) claim 2 , or is an explosive comprising RDX claim 2 , HMX claim 2 , FOX-7 claim 2 , FOX-12 claim 2 , and/or CL20.6. The propellant composition according to claim 1 , wherein the stabiliser consists of a component selected from a group consisting of alpha-tocopherol claim 1 , beta-tocopherol claim 1 , gamma-tocopherol claim 1 , delta- ...

Подробнее
Номер записи: 17
04-02-2016 дата публикации

CRYSTALLINE EXPLOSIVE MATERIAL

Номер: US20160033250A1
Автор: Bolton Onas, Matzger Adam
Принадлежит:

Compositions containing an explosive material in the form of a cocrystal are detonated for use in munitions, propellants, and demolition. A composition contains 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane (CL-20 or HNIW) and at least one energetic material. Energetic materials include 2,4,6-trinitrotoluene (TNT), and 1,3,5,7-tetranitro-1,3,5,7-tetrazocane (HMX). 1. A method comprising detonating a composition comprising an energetic material , wherein the energetic material is a co-crystal.2. The method according to claim 1 , wherein the co-crystal comprises two energetic compounds.3. The method according to claim 2 , wherein the co-crystal comprises 2 claim 2 ,4 claim 2 ,6 claim 2 ,8 claim 2 ,10 claim 2 ,12-hexanitro-2 claim 2 ,4 claim 2 ,6 claim 2 ,8 claim 2 ,10 claim 2 ,12-hexaazaisowurtzitane (CL-20) and a material selected from 5-nitro triazol-3-one (NTO) claim 2 , 2 claim 2 ,4 claim 2 ,6-trinitrotoluene (TNT) claim 2 , 1 claim 2 ,3 claim 2 ,5 claim 2 ,7-tetranitro-1 claim 2 ,3 claim 2 ,5 claim 2 ,7-tetrazocane (HMX) claim 2 , trinitro triamino benzene (TATB) claim 2 , 3 claim 2 ,5-dinitro-2 claim 2 ,6-bis-picrylamino pyridine (PYX) claim 2 , nitroglycerine (NG) claim 2 , ethylene glycol dinitrate (EGDN) claim 2 , ethylenedinitramine (EDNA) claim 2 , diethylene glycol dinitrate (DEGDN) claim 2 , Semtex claim 2 , Pentolite claim 2 , trimethylol ethyl trinitrate (TMETN) claim 2 , tetryl claim 2 , hexahydro-1 claim 2 ,3 claim 2 ,5-trinitro-1 claim 2 ,3 claim 2 ,5-triazine (RDX) claim 2 , pentaerythritol tetranitrate (PETN) and 2 claim 2 ,2 claim 2 ,2-trinitroethyl-4 claim 2 ,4 claim 2 ,4-trinitrobutyrate (TNETB) claim 2 , methylamine nitrate claim 2 , nitrocellulose claim 2 , N claim 2 ,N claim 2 ,N′ claim 2 ,N′ claim 2 ,N claim 2 ,N claim 2 ,N′ claim 2 ,N′-octafluoro-1 claim 2 ,5-dinitro-1 claim 2 ,5-diazocane-3 claim 2 ,3 claim 2 ,7 claim 2 ,7-tetraamine (HNFX) claim 2 , nitroguanidine claim 2 , hexanitrostilbene claim 2 , 2 claim 2 ,2- ...

Подробнее
Номер записи: 18
17-02-2022 дата публикации

NOVEL HIGH-PERFORMING METAL-FREE PRIMARY EXPLOSIVE

Номер: US20220048870A1
Автор: Piercey Davin Glenn, Wozniak Dominique
Принадлежит: PURDUE RESEARCH FOUNDATION

The present disclosure relates to a novel compound suitable for a metal-free primary explosive, and the method of making and using the novel compound. The novel compound can undergo a deflagration to detonation transition (DDT) to initiate detonation of a larger body of secondary explosive. The compound has a structure of Formula I: 2. A composition claim 1 , wherein the composition comprises the compound of .3. A method of using the compound of claim 1 , wherein the compound is used as a metal-free primary explosive.4. The method of claim 1 , wherein the compound of has a thermal stability up to 227° C. and can undergo a deflagration to detonation transition (DDT) to initiate detonation of a larger body of secondary explosive. This invention was made with government support under Award No. W911NF-18-1-0463 awarded by the Army Research Office. The government has certain rights in the invention.The present disclosure relates to a novel compound suitable for a high-performance metal-free primary explosive, and the method of making and using the novel compound. The novel compound can undergo a deflagration to detonation transition (DDT) to initiate detonation of a larger body of secondary explosive.This section introduces aspects that may help facilitate a better understanding of the disclosure. Accordingly, these statements are to be read in this light and are not to be understood as admissions about what is or is not prior art.Energetic materials find wide use in both military and industrial settings. Currently there is a large thrust in the development of high-energy-density materials (HEDMs) that exhibit high performance while maintaining a high level of safety during use and transportation. In pursuit of these materials it is often observed that with increasing energy content there is an accompanying decrease in the stability of the compound to physical stimuli.Within the field of energetic materials there is a specific push for metal-free, environmentally ...

Подробнее
Номер записи: 19
30-01-2020 дата публикации

ELECTRICALLY CONTROLLED PROPELLANT IN SUBTERRANEAN OPERATIONS AND EQUIPMENT

Номер: US20200032601A1
Автор: DUSTERHOFT Ronald Glen, Martysevich Vladimir Nikolayevich, Nguyen Philip D., Walters Harold Grayson, Warpinski Norman R.
Принадлежит:

Systems and methods using electrically controlled propellant to operate equipment in subterranean formations are provided. In some embodiments, the methods comprise: providing a tool assembly that comprises a tool body and an electrically controlled propellant; and placing the tool assembly in at least a portion of a subterranean formation. Electrical current may be applied to at least a portion of the electrically controlled propellant to ignite the portion of the propellant to operate a portion of the tool assembly. 1. A method comprising:providing a tool assembly that comprises a tool body and an electrically controlled propellant; andplacing the tool assembly in at least a portion of a subterranean formation.2. The method of wherein the tool body further comprises at least one mechanically actuatable component claim 1 , and the electrically controlled propellant provides an energy source to operate the mechanically actuatable component.3. The method of wherein the tool assembly is a packer or plug.4. The method of wherein the tool assembly comprises a sliding sleeve.5. The method of wherein the tool body comprises a pre-perforated sub that comprises a plurality of perforations disposed in the tool body claim 1 , wherein one or more of the perforations are at least partially filled with a filling material that comprises the electrically controlled propellant.6. The method of wherein the filling material further comprises at least one material selected from the group consisting of: cement claim 5 , fiberglass claim 5 , ceramic materials claim 5 , carbon fibers claim 5 , polymeric materials claim 5 , sand claim 5 , clay claim 5 , and any combination thereof.7. The method of further comprising applying an electrical current to at least a portion of the electrically controlled propellant to ignite the portion of the propellant.8. The method of wherein:the tool body further comprises at least one actuatable mechanical component, andthe method further comprises ...

Подробнее
Номер записи: 20
30-01-2020 дата публикации

ELECTRICALLY CONTROLLED PROPELLANT MATERIALS FOR SUBTERRANEAN ZONAL ISOLATION AND DIVERSION

Номер: US20200032633A1
Автор: DUSTERHOFT Ronald Glen, Martysevich Vladimir Nikolayevich, Nguyen Philip D., Reyes Enrique Antonio, Warpinski Norman R.
Принадлежит:

Methods of diverting fluid flow, controlling fluid loss, and/or providing zonal isolation in subterranean formations are provided. In some embodiments, the methods comprise: providing a particulate material that comprises an electrically controlled propellant; placing the particulate material in at least a first portion of the subterranean formation; introducing a treatment fluid into the subterranean formation; and allowing the particulate material to at least partially divert the flow of the treatment fluid away from the first portion of the formation. 1. A method comprising:providing a particulate material that comprises an electrically controlled propellant;placing the particulate material in at least a first portion of the subterranean formation;introducing a treatment fluid into the subterranean formation; andallowing the particulate material to at least partially divert the flow of the treatment fluid away from the first portion of the formation.2. The method of further comprising applying an electrical current to at least a portion of the electrically controlled propellant to ignite the portion of the electrically controlled propellant in the first portion of the subterranean formation.3. The method of wherein the electrical current is applied in an amount of from about 10 milliamps to about 100 milliamps.4. The method of wherein the electrical current is applied to at least a portion of a casing in a well bore penetrating at least the first portion of the subterranean formation.5. The method of wherein:the first portion of the subterranean formation comprises one or more perforations in a casing disposed in a first interval of a well bore that penetrates at least the first portion of the subterranean formation; andthe particulate material at least partially obstructs the perforations in the first interval of the well bore and diverts the flow of the treatment fluid to a second interval of the well bore.6. The method of wherein the particulate material ...

Подробнее
Номер записи: 21
11-02-2016 дата публикации

Utilizing Nitrate Salts in Order to Produce Explosives

Номер: US20160039722A1
Автор: Iman Sheikh
Принадлежит: Individual

Mass production of industrial explosives with one-tenth of the cost of the current production method—Nitric acid 98% removal of the chemical reaction producing explosive materials—Increasing the production safety—Producing ammonium sulfate, a chemical fertilizer, as a byproduct—Supporting the production of different explosives such as TNT, nitroglycerine and etc.—decreasing the acid concentration in the product.

Подробнее
Номер записи: 22
07-02-2019 дата публикации

Synthesis of energetic material particles with controlled morphology

Номер: US20190039966A1
Автор: Alarid Leanne Julia, Bian Kaifu, Fan Hongyou, Rosenberg David
Принадлежит:

A surfactant-assisted self-assembly method can be used to crystallize energetic materials with controlled morphology. Microparticles of hexanitrohexaazaisowurtzitane (CL-20) formed by this method may have enhanced functional reproducibility due to their monodisperse nature, and decreased shock sensitivity due to their sub-2 μm particle size. 1. A method to synthesize energetic material particles , comprising:providing a first solution comprising hexanitrohexaazaisowurtzitane and a first solvent;providing a second solution comprising a second solvent that is immiscible in and has a higher boiling point than the first solvent;providing a surfactant in the first or the second solution;mixing the first and the second solutions to form an emulsion comprising the first solvent dispersed in the second solvent; andevaporating the first solvent to form particles of hexanitrohexaazaisowurtzitane.2. The method of claim 1 , wherein the first solvent comprises a polar aprotic solvent.3. The method of claim 2 , wherein the polar aprotic solvent comprises ethyl acetate or acetone.4. The method of claim 1 , wherein the second solvent comprises a hydrocarbon.5. The method of claim 4 , wherein the hydrocarbon comprises heptane or octane.6. The method of claim 1 , wherein the surfactant comprises an ionic surfactant.7. The method of claim 6 , wherein the ionic surfactant comprises cetyl trimethylammonium bromide or sodium dodecyl sulfate.8. The method of claim 1 , wherein the surfactant comprises a nonionic surfactant.9. The method of claim 8 , wherein the nonionic surfactant comprises a sorbitan ester claim 8 , ethoxylated sorbitan ester claim 8 , or polyethylene glycol alkyl ether.10. The method of claim 1 , wherein the hexanitrohexaazaisowurtzitane particles are spherical in shape.11. The method of claim 1 , wherein the hexanitrohexaazaisowurtzitane particles are less than 4 microns in diameter.12. The method of claim 1 , wherein the hexanitrohexaazaisowurtzitane particles have an ...

Подробнее
Номер записи: 23
07-02-2019 дата публикации

Method for the preparation of uniform triaminotrinitrobenzene microparticles

Номер: US20190039967A1
Автор: David Rosenberg, Hongyou Fan, Kaifu Bian, Leanne Julia Alarid
Принадлежит: National Technology and Engineering Solutions of Sandia LLC

A new, rapid and inexpensive synthesis method for monodispersed triaminotrinitrobenzene (TATB) microparticles based on micelle-confined precipitation that enables control of microscopic morphology. The morphology of the TATB microparticles can be tuned between quasi-spherical and faceted by controlling the speed of recrystallization. The method enables improved performance and production consistency of TATB explosives for military grade explosives and propellants

Подробнее
Номер записи: 24
06-02-2020 дата публикации

METHOD FOR PREPARATION OF INSENSITIVE HIGH EXPLOSIVE

Номер: US20200039895A1
Автор: Ho Chan-Yuan, Lin Tsair-Feng, Wang Yan-Lin
Принадлежит:

The present invention provides a method for the preparation of an insensitive high enthalpy explosive Dihydroxylammonium 5,5′-bistetrazole-1,1′-diolate (TKX-50) in the presence of N,N-dimethylformamide, N,N-dimethylacetamide, or N-Methyl-2-pyrrolidone as a solvent via a four-step, one-pot reaction route to obtain a final product after four reaction steps. The more dangerous intermediate diazidoglyoxime may be solved by the one-pot method without the need of isolation. Further, the cyclization reaction is carried out in the presence of dropwisely added concentrated sulfuric acid to replace hydrochloric gas so no hydrochloric gas generator is needed to greatly reduce the amount of waste acid so as to effectively reduce the cost by avoiding using hydrochloric gas steel cylinders which require much safety equipment. 1. A method for preparing an insensitive high enthalpy explosive via a four-step , one-pot reaction route , comprising:(A) performing a chlorination reaction: carrying out the chlorination reaction for 1˜4 hours when warming up to 25° C.˜50° C., after dissolving glyoxime in at least one of N,N-dimethylformamide, dimethylacetamide and N-methyl-2-pyrrolidone, then adding N-chlorosuccinimide to at least one of the N,N-dimethylformamide, the dimethylacetamide and the N-methyl-2-pyrrolidone with cooling to 0° C.˜10° C.;(B) performing an azidation reaction: adding sodium azide to at least one of the N,N-dimethylformamide, the dimethylacetamide and the N-methyl-2-pyrrolidone with cooling to −5° C.˜5° C. to carry out the azidation reaction for 3 hours at suitable temperature;{'sub': '2', '(C) performing a cyclization reaction: adding concentrated sulfuric acid to at least one of the N,N-dimethylformamide, the dimethylacetamide and the N-methyl-2-pyrrolidone to carry out the cyclization reaction for 14˜16 hours at suitable temperature before cooling and adding a 40% sodium hydroxide aqueous solution to adjust a pH value to obtain 1,1′-dihydroxy-5,5′-bistetrazole ...

Подробнее
Номер записи: 25
18-02-2016 дата публикации

ELECTRICALLY IGNITABLE CASELESS PROPELLANT CHARGE, THE PRODUCTION AND USE THEREOF

Номер: US20160046536A1
Автор: Haug Willi, Zeh Meinrad
Принадлежит:

Electrically ignitable caseless propellant charge in the form of a caseless propellant tablet (), characterised in that it is obtainable by mixing together of at least one current-conductive material in dissolved or dispersed form or powder form and graphite in powder form, together with nitrocellulose, with or without addition of further additives, and subsequent compaction to form a propellant tablet, the production and use thereof, and related subject matter of the invention. Uses include: use of the propellant charge in a bolt-driving tool for installing bolts, as an explosive charge in a warning shot device, as a gas-generating element in airbags, for driving cutting devices, for driving pressing devices (for example for squeezing tong-like elements together) or as a propellant charge in small calibre rifles for sporting purposes, or for captive bolt devices for animal slaughtering. 1. An electrically ignitable caseless propellant charge in the form of a caseless propellant tablet or a tablet-like ignition charge , comprising a mixture of at least one current-conductive material in dissolved or dispersed form or powder form and additionally graphite in powder form , together with nitrocellulose , with or without addition of further additives , and compacted to form a propellant tablet.2. The propellant charge according to claim 1 , wherein carbon is used as current-conductive material.3. The propellant charge according to claim 1 , wherein it further comprises one or more oxygen generators in a proportion by weight of from 12 to 50% by weight.4. The propellant charge according to claim 3 , wherein as oxygen generator there are provided zinc peroxide claim 3 , potassium chlorate claim 3 , potassium perchlorate or mixtures of two or more thereof.5. The propellant charge according to claim 1 , wherein it further comprises a catalytically active metal oxide claim 1 , in a proportion of from 0.6 to 6.3% by weight and/or iron (III) oxide in a proportion of up to 1.3% ...

Подробнее
Номер записи: 26
18-02-2016 дата публикации

Insensitive munition propellants

Номер: US20160046537A1
Автор: Anne Marie WILTON, Mark James PENNEY, Thomas William Delaney SOMERVILLE
Принадлежит: BAE SYSTEMS plc

The invention relates to Insensitive Munition (IM) energetic materials particularly IM propellant compositions, and yet further to nitrocellulose-free IM propellants. An energetic composition suitable for use as a propellant comprises the following components in the following relative proportions: component A; from 5% to 25% by weight of an IM energetic filler; component B: from 50% to 80% by weight of a highly energetic filler comprising at least one nitramine compound; component C of from 5% to 20% by weight of a binder; and component D of from 3% to 15% by weight of a plasticiser; the percentages by weight of components A, B, C and D together with minor additives, if any, adding to 100%.

Подробнее
Номер записи: 27
18-02-2016 дата публикации

Explosive Formulations of Mixture of Carbon Dioxide and a Reducing Agent and Methods of Using Same

Номер: US20160046538A1
Автор: Swanson Daren Normand
Принадлежит:

The disclosure relates to embodiments of an explosive formulation comprising a detonable mixture of an oxidizing agent such as carbon dioxide, and a material that decomposes the oxidizing agent exothermically (a reducing agent), and additives that increase the mixture's shock sensitivity. The formulations may be used in a method to produce diamonds or nano oxides or in other applications that use traditional explosives such as, but not limited to: ammonium nitrate and fuel oil combinations (ANFO), watergel explosives, emulsion explosives and RDX. 1. An explosive formulation comprising a detonable mixture of carbon dioxide (CO) and an effective amount of a reducing agent capable of being oxidized by the COwherein the charge has a neutral or positive oxygen balance calculated without including the carbon in the carbon dioxide.2. The explosive formulation of wherein the carbon dioxide is in either the solid state or liquid state or gaseous state or a combination thereof.3. The explosive formulation of wherein the carbon dioxide is in either the solid state or liquid state or a combination thereof.4. The explosive formulation of wherein the reducing agent is selected from the group consisting of powdered claim 1 , flaked claim 1 , atomized claim 1 , alloys or combinations of elemental metals aluminum (Al) claim 1 , magnesium (Mg) claim 1 , lithium (Li) claim 1 , beryllium (Be) claim 1 , calcium (Ca) claim 1 , sodium (Na) claim 1 , titanium (Ti) and zirconium (Z); powdered claim 1 , flaked claim 1 , atomized or combinations of non-metal elemental boron (B) and silicon (Si); powdered metal hydrides lithium hydride (LiH) claim 1 , sodium hydride (NaH) claim 1 , beryllium hydride (BeH) claim 1 , magnesium hydride (MgH) claim 1 , calcium hydride (CaH) claim 1 , aluminum hydride (AlH) claim 1 , lithium aluminum hydride (LiAlH) claim 1 , sodium aluminum hydride (NaAlH) claim 1 , magnesium alanate (Mg(AlH)) and calcium alanate (Ca(AlH)); liquid claim 1 , supercritical or ...

Подробнее
Номер записи: 28
18-02-2016 дата публикации

BONDING AGENTS FOR NITROGEN-CONTAINING OXIDIZERS

Номер: US20160046539A1
Автор: Deppert Thomas M., Shanholtz Carl, Smith David R.
Принадлежит: Raytheon Company

Disclosed herein are energetic compositions and methods of making thereof. A composition includes particles of a nitrogen-containing oxidizer dispersed in a polymeric binder and a bonding agent bonded to a surface of at least a portion the particles. The bonding agent disclosed is a Lewis acid. 1. A composition comprising:particles of a nitrogen-containing oxidizer dispersed in a polymeric binder; anda bonding agent bonded to a surface of at least a portion the particles;wherein the bonding agent is a Lewis acid.2. The composition of claim 1 , wherein the Lewis acid is a boron-containing monomer or a boron-containing polymer.3. The composition of claim 1 , wherein the polymeric binder is a hydroxyl terminated polybutadiene claim 1 , a glycidyl azide polymer claim 1 , a polyether claim 1 , a polyester claim 1 , or any combination thereof.4. The composition of claim 1 , wherein the nitrogen-containing oxidizer is cyclotetramethylenetetranitramine claim 1 , cyclotrimethylenetrinitramine claim 1 , ammonium nitrate claim 1 , ammonium dinitramide claim 1 , nitrogen tetroxide claim 1 , or any combination thereof.5. The composition of claim 1 , wherein the bonding agent is bonded to the nitrogen-containing oxidizer with a chemical bond or an adhesive bond.6. The composition of claim 1 , wherein the Lewis acid is a compound comprising metal cations.9. A composition comprising:nitrogen-containing oxidizer particles dispersed in a polymeric binder; anda Lewis acid bonding agent bonded to at least a portion of a surface the nitrogen-containing oxidizer particles to form an encapsulating film.11. The composition of claim 9 , wherein the nitrogen-containing oxidizer particles have an average diameter in a range between about 50 and about 200 microns.12. The composition of claim 9 , further comprising a polyisocyanate.13. The composition of claim 9 , wherein the Lewis acid is an enone compound.14. The composition of claim 13 , wherein the enone compound is methyl vinyl ketone.15. ...

Подробнее
Номер записи: 29
15-02-2018 дата публикации

ODOR SAMPLE FOR EXPLOSIVES DETECTION DOGS, PROCESS FOR PRODUCING AN ODOR SAMPLE AND PROCESS FOR USING AN ODOR SAMPLE

Номер: US20180044258A1
Автор: HAHMA ARNO, PHAM-SCHOENWETTER OLIVER
Принадлежит:

An odor sample for explosives detection dogs includes a solution of the explosive in an ionic liquid, wherein the explosive is a nonperoxidic explosive. A process for producing an odor sample for explosives detection dogs as well as a process for using an odor sample for explosives detection dogs are also provided. 1. An odor sample for explosives detection dogs , the odor sample comprising:a solution of an explosive in an ionic liquid;said explosive being a nonperoxidic explosive.2. The odor sample according to claim 1 , wherein said nonperoxidic explosive is hexogen (RDX) claim 1 , octogen (HMX) claim 1 , nitropenta (PETN) claim 1 , tetryl or trinitrotoluene (TNT).3. The odor sample according to claim 1 , wherein said ionic liquid is a lipophilic ionic liquid.4. The odor sample according to claim 3 , wherein said ionic liquid contains lipophilic anions.5. The odor sample according to claim 1 , wherein said ionic liquid contains anions selected from the group consisting of tetrafluoroborates claim 1 , triflimides claim 1 , perfluoroalkylsulphates claim 1 , alkylsulphonates claim 1 , dicyandiamides claim 1 , alkylsulphates claim 1 , arylsulphonates claim 1 , perfluoroalkylsulphonates claim 1 , bis-perfluoroalkylsulphonimides claim 1 , acetates claim 1 , alkylcarboxylates claim 1 , thiocyanates claim 1 , isocyanates claim 1 , isothiocyanates claim 1 , thiosulphates claim 1 , borohydrides claim 1 , borates claim 1 , phosphates claim 1 , nitrates claim 1 , perchlorates and halides.6. The odor sample according to claim 5 , wherein said ionic liquid contains iodides claim 5 , bromides claim 5 , chlorides or fluorides.7. The odor sample according to claim 1 , wherein said ionic liquid contains cations selected from the group consisting of N-alkyl-substituted nitrogen heterocycle ions claim 1 , N-alkylimidazolium and N claim 1 ,N-dialkylimidazolium ions claim 1 , quaternary ammonium ions and phosphonium ions.8. The odor sample according to claim 7 , wherein said N-alkyl- ...

Подробнее
Номер записи: 30
15-02-2018 дата публикации

Systems and methods for authenticating an online user using a secure authorization server

Номер: US20180048649A1
Автор: Eric G. Alger, Jenny Qian ZHANG, Steven Patrick BUCHER
Принадлежит: Mastercard International Inc

A secure authorization server computer system for verifying an identity of an end-user is provided. The computer system is programmed to receive, from a computing client, an authentication request at an authorization component. The authentication request includes a secure authentication request identifier. The computer system is also programmed to validate the authentication request at the authorization component by validating the secure authentication request identifier. The computer system is further programmed to transmit an authentication response from the authorization component to the computing client. The authentication response includes an authorization code. The authorization code represents a validation of the authentication request.

Подробнее
Номер записи: 31
25-02-2016 дата публикации

DETONATOR-SENSITIVE ASSEMBLED BOOSTER CHARGES FOR USE IN BLASTING ENGINEERING AND THE USE THEREOF

Номер: US20160052835A1
Автор: KLUNKER Jürgen, ZIEGLER Konrad
Принадлежит: EST ENERGETICS GMBH

This invention relates to detonator-sensitive assembled booster charges for use in blasting engineering. The booster charge comprises nitroalkane and a cavity-forming agent. 1. Detonator-sensitive booster charge for use in blasting engineering comprising a mixture including a nitroalkane and a cavity-forming means as well as a slot for an ignition device.2. Detonator-sensitive booster charge according to claim 1 , characterized in that the booster charge is made of a liquid-impermeable material.3. Detonator-sensitive booster charge according to claim 1 , characterized in that the booster charge exhibits a concave curvature arranged on the opposite side of the slot for the ignition device.4. Detonator-sensitive booster charge according to claim 3 , characterized in that the concave curvature exhibits a metallic coating.5. Detonator-sensitive booster charge according to claim 1 , characterized in that the ignition device is a blasting cap claim 1 , a detonating cord or a non-electric detonator.6. Detonator-sensitive booster charge according to claim 1 , characterized in that the nitroalkane is selected from a group with 1 to 3 carbon atoms.7. Detonator-sensitive booster charge according to claim 1 , characterized in that the nitroalkane is nitromethane.8. Detonator-sensitive booster charge according to claim 1 , characterized in that the cavity-forming means is configured as a hollow glass microsphere.9. Detonator-sensitive booster charge according to claim 8 , characterized in that the cavity-forming means is configured as a hollow glass microsphere with a grain size of 20-200 μm claim 8 , preferably 40-150 μm claim 8 , particularly preferred 80-120 μm.10. Detonator-sensitive booster charge according to claim 1 , further comprising a fumed silica.11. Detonator-sensitive booster charge according to claim 1 , characterized in that the mixture exhibits 1.5-10 weight % claim 1 , preferably 3-8 weight % claim 1 , particularly preferred 5-7 weight % Aerosil claim 1 , 0.2- ...

Подробнее
Номер записи: 32
25-02-2016 дата публикации

NON-PHTHALATE PROPELLANTS

Номер: US20160052836A1
Автор: PENNEY MARK JAMES, SOMERVILLE THOMAS WILLIAM DELANEY, WILTON ANNE MARIE
Принадлежит: BAE SYSTEMS plc

The invention relates to Insensitive Munition (IM) energetic materials particularly non-phthalate IM propellant compositions. 1. An energetic composition suitable for use as a propellant comprising the following components in the following relative proportions:component A: from 60% to 90% by weight of a highly energetic filler comprising at least one nitramine compound;component B: from 5% to 20% by weight of a binder; and{'sub': 1', '3', '2', '1', '2', '3', '1', '10, 'component C: from 3% to 15% of a diester plasticiser wherein the plasticiser comprises a compound of Formula (A), wherein Formula (A) is R—OC(O)—R—C(O)O—R, and R, R, and Rare independently selected from Cto Calkyl or alkeny, the percentages by weight of components A, B and C, together with minor additives, if any, adding to 100%.'}2. A composition according to and whereincomponent A comprises 55% to 75% by weight,component B comprises 8% to 16% by weight, andcomponent C comprises 5% to 10% by weight of the composition, the percentages adding to 100%.3. A composition according to wherein component A is RDX(cyclo-1 claim 1 ,3 claim 1 ,5-trimethylene claim 1 , 2 claim 1 ,4 claim 1 ,6-trinitramine claim 1 , cyclonite or Hexagen) claim 1 , HMX (cyclo-1 claim 1 ,3 claim 1 ,5 claim 1 ,7-tetramethylene-2 claim 1 ,4 claim 1 ,6 claim 1 ,8-tetranitramine or Octogen) claim 1 , TATND (tetranitro-tetraminodecalin) claim 1 , TAGN claim 1 , aromatic nitramines claim 1 , nitrate esters inorganic perchlorates or inorganic nitrates.4. A composition according to wherein component A comprises Nitrotriazolone (NTO) claim 1 , Hexanitrostilbene (HNS) claim 1 , Nitroguanidine (Picrite) claim 1 , Triaminotrinitrobenzene (TATB) claim 1 , Guarnylureadinitramide (FOX-12) or 1 claim 1 ,1-diamino 2 claim 1 ,2-dinitro ethylene (FOX-7).5. A composition according to claim 1 , wherein the plasticiser contains only the compound of Formula (A).6. A composition according to claim 1 , wherein the plastciser is selected from di Octyl ...

Подробнее
Номер записи: 33
25-02-2016 дата публикации

Electric detonator and method for producing an electric detonator

Номер: US20160054111A1
Автор: Johan Östlund, Karl Edström
Принадлежит: SAAB AB

The present invention relates to an electric detonator ( 1 ) comprising a cap ( 2 ), comprising a priming charge ( 3 ) and an electrode ( 4 ), comprising a positive pole, a negative pole and a resistor element ( 8 ), the said priming charge ( 3 ) comprising at least two primary explosives, a first primary explosive ( 9 ) and a second primary explosive ( 10 ), and at least one secondary explosive ( 11 ). The electric detonator is characterized in that the two primary explosives ( 9, 10 ) and the secondary explosive ( 11 ) are arranged in layers, in an increasing degree of sensitivity, bearing one against the other, wherein the first primary explosive ( 9 ), constituting the most sensitive of the two primary explosives ( 9, 10 ), is arranged closest to the resistor element ( 8 ), and in that the second primary explosive ( 10 ) is arranged thereafter between the first primary explosive ( 10 ) and the secondary explosive ( 11 ). The invention also relates to a production method for the said electric detonator ( 1 ).

Подробнее
Номер записи: 34
21-02-2019 дата публикации

ENERGETIC MATERIALS

Номер: US20190055171A1
Автор: STRAATHOF Michiel Hannes, TEN CATE Aafke Tessa, VAN DRIEL Christoffel Adrianus
Принадлежит: Nederlandse Organisatie voor toegepast-natuurweten schappelijk onderzoek TNO

The invention is directed to a radiation curable energetic composition, to a method of forming a three-dimensional energetic object, to a three-dimensional energetic object, and to uses of the radiation curable energetic composition. The radiation curable energetic composition of the invention comprises (a) one or more polymerisable components, (b) one or more polymerisation photoinitiators, and (c) one or more energetic components. 1. A radiation curable energetic composition , comprising(a) one or more polymerisable components,(b) one or more polymerisation photoinitiators, and(c) one or more energetic components.2. The radiation curable energetic composition of claim 1 , wherein said one or more polymerisable components comprise fuel and oxidiser.3. The radiation curable energetic composition of claim 1 , wherein said polymerisable components comprise (al) one or more free radical polymerisable components claim 1 , and said polymerisation photoinitiators comprise (bl) one or more polymerisation photoinitiators for free radical polymerisation.4. The radiation curable energetic composition of claim 3 , wherein said free radical polymerisable components comprise one or more components selected from the group consisting of an aliphatic (meth)acrylate claim 3 , an aromatic (meth)acrylate claim 3 , a cycloaliphatic (meth)acrylate claim 3 , an arylaliphatic (meth)acrylate claim 3 , and a heterocyclic (meth)acrylate.5. The radiation curable energetic composition of claim 1 , wherein said polymerisable components comprise (a2) one or more cationically polymerisable components claim 1 , and said polymerisation photoinitiators comprise (b2) one or more polymerisation photoinitiators for cationic polymerisation.6. The radiation curable energetic composition of claim 5 , wherein said cationically polymerisable component comprises one or more components selected from the group consisting of cyclic ether compounds claim 5 , cyclic acetal compounds claim 5 , cyclic thioether ...

Подробнее
Номер записи: 35
02-03-2017 дата публикации

Combustible Triazine Combinations

Номер: US20170057883A1
Автор: BANNING JOSEPH ERIK, BUKOWSKI ERIC JAMES, SHERRILL WILLIAM MATTHEW
Принадлежит: THE UNITED STATES GOVERNMENT AS REPRESENTED BY THE SECRETARY OF THE ARMY

Provided herein is a symmetric amino triazine for use as a fuel and ignition source in chemically initiated illuminates or igniters. 3-amino-1,2,4-triazine act as a fuel and generates enough heat on exposure to as little as one drop of one hundred percent nitric acid to spontaneously ignite. 2. A shell or hybrid rocket motor comprising the combustive combination of claim 1 , the shell or hybrid rocket motor comprising:a combustion chamber wherein solid propellant comprising the compound of Formula is situated to provide propulsion when ignited; anda liquid fuel tank configured to inject liquid oxidizer comprising nitric acid onto the solid propellant to ignite it.3. A liquid fueled rocket motor comprising the combustive combination of claim 1 , wherein a mixture comprising compound of Formula I and hydroxylamine nitrate comprise liquid fuel.4. A combustible combination of claim 1 , wherein the compound of Formula I is in mixture with a solution of hydroxylamine nitrate.5. The combustible combination of claim 4 , wherein the mixture is resistant to combustion initiation from friction or impact.7. The pyrotechnic illuminate composition of claim 6 , wherein the oxidizer comprises KClO claim 6 , KNO claim 6 , a perchlorate salt claim 6 , or a mixture thereof.8. The pyrotechnic illuminate composition of claim 6 , wherein the oxidizer comprises NHClO claim 6 , KClO claim 6 , KClO claim 6 , LiClO claim 6 , KNO claim 6 , or a mixture thereof.9. The pyrotechnic illuminate composition of claim 7 , wherein the illuminant comprises a metal or metal salt illuminant.10. The pyrotechnic illuminate composition of claim 7 , wherein the illuminant comprises Cu claim 7 , Mg claim 7 , Sr claim 7 , B claim 7 , Ni claim 7 , or a mixture thereof.11. The pyrotechnic illuminate composition of claim 6 , wherein the illuminant comprises a metal or metal salt illuminant.12. The pyrotechnic illuminate composition of claim 6 , wherein the illuminant comprises Cu claim 6 , Mg claim 6 , Sr claim 6 ...

Подробнее
Номер записи: 36
02-03-2017 дата публикации

MELT-CASTABLE NITRAMINE BINDERS FOR HIGH ENERGY COMPOSITIONS

Номер: US20170057884A1
Автор: BANNING JOSEPH ERIK, SHERRILL WILLIAM MATTHEW
Принадлежит: THE UNITED STATES GOVERNMENT AS REPRESENTED BY THE SECRETARY OF THE ARMY

Provided is a melt-castable binder useful for stabilizing high energy explosive materials. A melt-castable nitramine binder has high energy in its own right yet is very insensitive to accidental detonation such as by shock or friction. The melt-castable nitramine binder is optionally combined with one or more high energy materials in the formation of an explosive composition with improved energy yield and safety and handling parameters relative to the high energy material alone. 1. A detonable composition comprising:A detonable energetic material; anda melt-castable nitramine binder with a melting point of 150 degrees Celsius or below.3. The composition of wherein n and n* are each 1.4. The composition of wherein said melt-castable nitramine binder has a melting point of 80 degrees Celsius to 90 degrees Celsius.5. The composition of wherein the concentration of said nitramine binder is 20% to 80% by weight.6. The composition of wherein said detonable energetic material is: 1 claim 1 ,3 claim 1 ,5-trinitro-1 claim 1 ,3 claim 1 ,5-triazacyclohexane (1 claim 1 ,3 claim 1 ,5-trinitroperhydro-1 claim 1 ,3 claim 1 ,5-triazine; RDX); 1 claim 1 ,3 claim 1 ,5 claim 1 ,7-tetranitro-1 claim 1 ,3 claim 1 ,5 claim 1 ,7-tetrazocane (1 claim 1 ,3 claim 1 ,5 claim 1 ,7-tetranitro-1 claim 1 ,3 claim 1 ,5 claim 1 ,7-tetrazocane; HMX); 2 claim 1 ,2-bis(hydroxymethyl)1 claim 1 ,3-propanediol (pentaerythritol tetranitrate; PETN); 2 claim 1 ,4 claim 1 ,6-trinitrotoluene (2-methyl-1 claim 1 ,3 claim 1 ,5-trinitrobenzene; TNT) claim 1 , 1 claim 1 ,2 claim 1 ,3-trinitroxypropane (trinitroglycerin; TNG); 2 claim 1 ,3-dimethyl-2 claim 1 ,3 claim 1 ,-dinitrobutane (2 claim 1 ,3-dimethyl-2 claim 1 ,3-dinitrobutane; DMDNB); triacetone triperoxide (TATP); hexamethylene triperoxide diamine (HMTD); other peroxide or nitrate based explosive materials; gunpowder(s); pentaerythritol (2 claim 1 ,2-Bis(hydroxymethyl)1 claim 1 ,3-propanediol; PE); military or commercial grades of C4; Semtex A1; Semtex H; ...

Подробнее
Номер записи: 37
04-03-2021 дата публикации

ALKALINE EARTH METAL ZIRCONIUM OXIDE ADDITIVE USEFUL FOR IMPROVING BALLISTIC PERFORMANCE OF GAS GENERATING COMPOSITIONS

Номер: US20210061729A1
Автор: Lund Gary K., MENDENHALL Ivan V.
Принадлежит: Autoliv ASP, Inc.

A gas generant composition for an automotive inflatable restraint system includes one or more: fuels, such as guanidine nitrate; oxidizers, such as basic copper nitrate; and an alkaline earth zirconium oxide. The gas generant composition is substantially free of potassium perchlorate. The alkaline earth zirconium oxide may be barium zirconate (BaZrO), calcium zirconate (CaZrO), and/or strontium zirconate (SrZrO). The alkaline earth zirconium oxide may be present at ≥about 0.1% by mass to ≤about 6% by mass of the gas generant composition. Such gas generants may be cool burning (e.g., a maximum flame temperature at combustion (T) of ≤about 1700K (1,427° C.)), have a linear burn rate of ≥about 20 mm per second at a pressure of about 21 MPa and a linear burn rate pressure exponent (n) of ≤about 0.35. Method of making such gas generants are also provided. 1. A gas generant composition for an automotive inflatable restraint system comprising:one or more fuels;one or more oxidizers; andan alkaline earth zirconium oxide, wherein the gas generant composition is substantially free of potassium perchlorate.2. The gas generant composition of claim 1 , wherein the alkaline earth zirconium oxide is selected from the group consisting of: barium zirconate (BaZrO) claim 1 , calcium zirconate (CaZrO) claim 1 , strontium zirconate (SrZrO) claim 1 , and combinations thereof.3. The gas generant composition of claim 1 , wherein the alkaline earth zirconium oxide is present at greater than or equal to about 0.1% to less than or equal to about 6% by mass of gas generant composition.4. The gas generant composition of claim 1 , wherein the alkaline earth zirconium oxide is present at greater than or equal to about 0.5% to less than or equal to about 5% by mass of the gas generant composition.5. The gas generant composition of having a linear burn rate of greater than or equal to about 20 mm per second at a pressure of about 21 megapascals (MPa).6. The gas generant composition of having a ...

Подробнее
Номер записи: 38
28-02-2019 дата публикации

INSENSITIVE PLASTICIZER AND MELT-CASTABLE ENERGETIC MATERIAL

Номер: US20190062287A1
Автор: Drake Gregory W., Johnson Eric C., Sabatini Jesse J., Wingard Leah A.
Принадлежит: THE UNITED STATES GOVERNMENT AS REPRESENTED BY THE SECRETARY OF THE ARM Y

A method and compound includes mixing dichloroglyoxime with an alcohol containing an alkyne functional group in methanol to create a mixture; adding a salt compound and water to the mixture to create bis-isoxazole diol; and nitrating the bis-isoxazole diol to create 3,3′-bis-isoxazole-5,5′-bis-methylene dinitrate, which has the structural formula: 1. A method comprising:mixing dichloroglyoxime with an alcohol containing an alkyne functional group in methanol to create a mixture;adding a salt compound and water to said mixture to create bis-isoxazole diol; andnitrating said bis-isoxazole diol to create 3,3′-bis-isoxazole-5,5′-bis-methylene dinitrate.3. The method of claim 1 , wherein said alcohol containing an alkyne functional group comprises propargyl alcohol.4. The method of claim 1 , wherein said salt compound comprises sodium bicarbonate.5. The method of claim 1 , further comprising nitrating said bis-isoxazole diol with nitric acid.6. The method of claim 5 , wherein said nitric acid comprises at least a concentration of 90% nitric acid in water.7. The method of claim 1 , further comprising nitrating said bis-isoxazole diol with 100% nitric acid and acetic anhydride.8. The method of claim 1 , wherein said salt compound and said water are added to said mixture over at least a six-hour period.9. The method of claim 8 , further comprising mixing said mixture after adding said salt compound and said water for at least ten hours.10. The method of claim 1 , wherein mixing said dichloroglyoxime with an alcohol containing an alkyne functional group in methanol occurs at a concentration of 0.1M.12. A compound formed by:mixing dichloroglyoxime with an alcohol containing an alkyne functional group in methanol to create a mixture;adding a salt compound and water to said mixture to create bis-isoxazole diol; andnitrating said bis-isoxazole diol to create 3,3′-bis-isoxazole-5,5′-bis-methylene dinitrate.13. The compound of claim 12 , wherein said alcohol containing an alkyne ...

Подробнее
Номер записи: 39
27-02-2020 дата публикации

HIGH ENERGY REDUCED SENSITIVITY TACTICAL EXPLOSIVES

Номер: US20200062671A1
Автор: ALEXANDER Thomas Brian, PRICE David Wilson
Принадлежит:

A high energy explosive having reduced shock sensitivity for tactical weapon platforms to increase the safety margins to the warfighter if the weapon became involved in an unplanned event on the battlefield. The high energy explosive having a reduced crystalline particle size below about 30 microns, preferably 10 microns, and coated with a thermoplastic elastomer, which is capable of being compressed into a warhead configuration and attached to a weapon. The high energy explosive having a greater than 25% reduction in shock sensitivity compared to the same crystalline energetic material without undergoing size reduction prior to being coated. 1. A high energy insensitive explosive composition , the composition comprising:a plurality of crystalline energetic particles coated with at least one elastomeric material, wherein at least 20% of the plurality of crystalline energetic particles have an average particle size of less than about 30 microns, and wherein the plurality of coated crystalline energetic particles have an average particle size greater than about 50 microns.2. The high energy insensitive explosive composition of claim 1 , wherein the plurality of crystalline energetic particles prior to being coated has an average particle size between about 0.5 microns to about 20 microns.3. The high energy insensitive explosive composition of claim 1 , wherein at least 80% of the plurality of crystalline energetic particles prior to being coated have an average particle size of less than 10 microns.4. The high energy insensitive explosive composition of claim 1 , wherein the plurality of crystalline energetic particles comprises 1 claim 1 ,3 claim 1 ,5 claim 1 ,7-tetranitro-1 claim 1 ,3 claim 1 ,5 claim 1 ,7-tetraazacyclooctane.5. The high energy insensitive explosive composition of claim 1 , wherein the at least one elastomeric material comprises a polyester-based thermoplastic polyurethane claim 1 , a polyether-based thermoplastic polyurethane claim 1 , a ...

Подробнее
Номер записи: 40
22-03-2018 дата публикации

REACTIVE GAS SHAPED CHARGE AND METHOD OF USE

Номер: US20180079696A1
Автор: Skyler David
Принадлежит:

A perforating system including a perforating gun having a perforating gun body housing shaped charges oriented outwardly from the gun body and connected to a detonation system for deployment into a wellbore. The shaped charges include at least a case, a liner and explosive material that is thermally stable and of a composition that allows for reaction with metals, debris or formation walls in order to improve fluid flow from the formation upon perforating. Shaped charge can also employ differences in composition moving from the apex to the skirt of the liner in order to achieve different perforating characteristics upon detonation of the explosive material. 1. A shaped charge comprising:a case;a liner; andan explosive material positioned between the case and the liner.2. The shaped charge of wherein the explosive material is thermally stable above 100 degrees F.3. The shaped charge of wherein the explosive material comprises 4 claim 1 ,4′-dichloro-2 claim 1 ,2′ claim 1 , 3 claim 1 ,3′ claim 1 , 5 claim 1 ,5′ claim 1 , 6 claim 1 ,6′-octanitroazobenzene (DCONAB).4. The shaped charge of wherein the explosive material comprises a congener of 4 claim 1 ,4′-dichloro-2 claim 1 ,2′ claim 1 , 3 claim 1 ,3′ claim 1 , 5 claim 1 ,5′ claim 1 , 6 claim 1 ,6′-octanitroazobenzene (DCONAB).5. The shaped charge of wherein the liner comprises a powder metal material differing in composition from an apex to a skirt of the liner.6. The shaped charge of wherein the liner comprises a powder metal material differing in composition from an apex to a skirt of the liner.7. The shaped charge of wherein the liner comprises a powder metal material differing in composition from an apex to a skirt of the liner.8. The shaped charge of wherein the liner comprises a powder metal material of one or more of tungsten (W) powder claim 1 , copper (Cu) powder claim 1 , lead (Pb) powder claim 1 , or titanium (Ti) powder.9. A method comprising:disposing a perforating gun in the well, wherein the perforating ...

Подробнее
Номер записи: 41
31-03-2016 дата публикации

PROCESS FOR THE PRODUCTION OF SPEHERICAL TETRANITROGLYCOURIL

Номер: US20160090388A1
Автор: BANNING JOSEPH ERIK, SHERRILL WILLIAM MATTHEW
Принадлежит:

A spherical morphology of the high explosive tetranitroglycoluril (TNGU) has been discovered. This new morphology exhibits approximately a twofold improvement in the response of the material to impact, more than a one and a half fold improvement in friction and the same high resistance to electrostatic discharge over non-spherical TNGU produced by other methods. 1. A process for preparing an at least seventy percent (70%) yield of a spherical tetranitroglycoluril (TNGU) by recrystallization comprising the steps of:{'sub': '3', 'a) dissolving an amount of tetranitroglycoluril (TNGU) in an a 100% solution of nitric acid (HNO) at a temperature of from about 20 to about 25 degrees Celsius to produce a homogeneous solution;'}b) stirring the solution while adding below the solution surface, from about 90 to about 100 milliters of a dichloromethane solvent;c) decanting the supernatant and re-suspending the TNGU in from about 20 to 30 milliliters of the dichloromethane solvent and allowing the precipitated spherical TNGU to settle;d) washing the precipitated spherical TNGU with from about 20 to 30 milliliters of the dichloromethane solvent four to six times until none of the nitric acid remains; ande) vacuum drying the resultant spherical TNGU and storing in a dessicator.2. The process according to wherein the spherical tetranitroglycoluril (TNGU) has a diameter which is determined according to the stirring rate and time.3. The process according to wherein the spherical tetranitroglycoluril (TNGU) has a diameter of from greater than 3 microns.4. The process according to wherein the spherical tetranitroglycoluril (TNGU) has a diameter of from greater than 3 microns to about 10 microns.5. The process of wherein the dichloromethane is added at a rate of about 1 milliliter per minute until the addition of dichloromethane is complete.6. The process of wherein the spherical tetranitroglycoluril (TNGU) exhibits a twofold improvement in the response of the material to impact over ...

Подробнее
Номер записи: 42
09-04-2015 дата публикации

AUTOIGNITION FOR IGNITING GAS-GENERATIVE COMPOSITIONS USED IN INFLATOR DEVICES FOR PROTECTIVE PASSIVE RESTRAINTS

Номер: US20150096653A1
Автор: Campbell Russell Klaus, Rose James Michael
Принадлежит: ARC AUTOMOTIVE

An autoignition composition for a gas generant for an airbag or the like. The autoignition comprises a mixture of CuO as the oxidizer in a weight percentage of 45% to 75%, and aminoguanidine nitrate as the fuel in a weight percentage of 25% to 55%. To increase the flame temperature of the mixture, a metal fuel such as magnesium or aluminum can be added. 1. An autoignition composition for a gas generant for inflating an airbag or the like , said autoignition composition comprising a mixture of CuO as the oxidizer in a weight percentage of 45% to 75% , and aminoguanidine nitrate as the fuel in a weight percentage of 25% to 55%.2. The autoignition composition of using an oxygen balance of approximately −2% which is 55% CuO by weight and 45% aminoguanidine nitrate by weight.3. The autoignition composition of wherein the adiabatic constant pressure flame temperature at 7 MPa is approximately 1793° K.4. The autoignition composition of wherein the composition ignites at 150° C.5. The autoignition composition of wherein a metal fuel is added to increase the flame temperature of the mixture.6. The autoiginition composition of wherein the metal fuel is aluminum or magnesium.7. The autoignition composition of wherein the weight percentage of magnesium or aluminum is less than 20%. 1. Field of the InventionThe present invention relates generally to gas generant compositions and, more particularly, to gas generant compositions employed in various autoignition devices, such as vehicle occupant passive restraint systems (airbags), fire suppressants, aircraft escape chutes, life rafts and the like.2. Description of the Prior ArtMany devices, such as protective passive restraints or air bags used in motor vehicles. escape slide chutes. life rafts, and the like, are normally stored in a deflated state and are inflated with gas substantially instantaneously at the time of need. Such devices are generally stored and used in close proximity to humans and, therefore, must be designed ...

Подробнее
Номер записи: 43
19-03-2020 дата публикации

NON-LETHAL PAYLOADS AND METHODS OF PRODUCING SAME

Номер: US20200087226A1
Автор: Blau Reed J.
Принадлежит:

Non-lethal payloads including at least one of boron and silicon, at least one fuel, and at least one oxidizer. The non-lethal payload may be a single-component or dual-component payload. Methods of producing the non-lethal payloads are also disclosed. 1. A non-lethal payload , comprising:an illuminant comprising at least one fuel, at least one oxidizer, and at least one of boron or silicon, the at least one oxidizer comprising potassium nitrate and strontium nitrate; andan igniter comprising at least one fuel and at least one oxidizer,the illuminant substantially free of a binder.2. The non-lethal payload of claim 1 , wherein the at least one fuel of the illuminant comprises at least one of magnesium or aluminum.3. The non-lethal payload of claim 1 , wherein the at least one oxidizer of the illuminant further comprises ammonium nitrate claim 1 , an alkali metal nitrate claim 1 , an alkaline earth nitrate claim 1 , a transition metal nitrate claim 1 , an ammonium perchlorate claim 1 , an alkali metal perchlorate claim 1 , an alkaline earth perchlorate claim 1 , an alkali metal peroxide claim 1 , an alkali metal peroxide claim 1 , or an alkaline earth peroxide.4. The non-lethal payload of claim 1 , wherein the at least one of boron or silicon comprises from approximately 4% by weight to approximately 15 wt % of the illuminant.5. The non-lethal payload of claim 1 , wherein the at least one oxidizer consists of potassium nitrate and strontium nitrate.6. The non-lethal payload of claim 1 , wherein the illuminant consists of the at least one fuel claim 1 , the potassium nitrate and strontium nitrate claim 1 , and the at least one of boron or silicon.7. The non-lethal payload of claim 1 , wherein the illuminant consists of potassium nitrate claim 1 , strontium nitrate claim 1 , magnesium claim 1 , and boron.8. The non-lethal payload of claim 1 , wherein:the illuminant comprises potassium nitrate, strontium nitrate, magnesium, and boron; andthe igniter comprises potassium ...

Подробнее
Номер записи: 44
05-04-2018 дата публикации

Rocket motor with concentric propellant structures for shock mitigation

Номер: US20180094606A1
Автор: Peter J. Cahill, JR.
Принадлежит: Aerojet Rocketdyne Inc

A solid rocket motor includes a first solid propellant and a second solid propellant at least partially surrounding the first solid propellant. The second solid propellant is resistant to fragment impact and the first solid propellant has a higher impulse than the second solid propellant.

Подробнее
Номер записи: 45
14-04-2016 дата публикации

OLEO RESINS AND PHOSPHATE ESTERS FOR USE IN PYROTECHNIC FORMULATIONS

Номер: US20160102029A1
Автор: LOMBARDI JOHN L.
Принадлежит:

A pyrotechnic formulation, wherein that formulation includes a tricyclic phosphate ester. 1. A pyrotechnic formulation , comprising about 16.61 weight percent triethanolamine Borate.2. The pyrotechnic formulation of claim 1 , further comprising:acetoguanamine; andnitrocellulose.4. The pyrotechnic formulation of claim 3 , further comprising:acetoguanamine; andnitrocellulose.6. The pyrotechnic formulation of claim 5 , further comprising:acetoguanamine; andnitrocellulose.8. The pyrotechnic formulation of claim 7 , further comprising:acetoguanamine; andnitrocellulose.10. The pyrotechnic formulation of claim 9 , further comprising:acetoguanamine; andnitrocellulose.12. The pyrotechnic formulation of claim 11 , further comprising:acetoguanamine; andnitrocellulose.14. The pyrotechnic formulation of claim 13 , further comprising:acetoguanamine; andnitrocellulose.16. The pyrotechnic formulation of claim 15 , further comprising:acetoguanamine; andnitrocellulose.18. The pyrotechnic formulation of claim 17 , further comprising:acetoguanamine; andnitrocellulose.20. The pyrotechnic formulation of claim 19 , further comprising:acetoguanamine; andnitrocellulose.22. The pyrotechnic formulation of claim 21 , further comprising:acetoguanamine; andnitrocellulose.24. The pyrotechnic formulation of claim 23 , further comprising:acetoguanamine; andnitrocellulose. This Non-Provisional Patent Application claims priority to a U.S. Provisional Patent Application having Ser. No. 62/024,875, filed Jul. 15, 2014, which is hereby incorporated by reference herein.Compositions of matter are disclosed where that composition comprises an oleo resin and/or a phosphate ester.Applicant has prepared Aminoborate esters by reacting trialkanolamines and trialkyl borates.Applicant has prepared pyrotechnic formulations, each of which includes a different tricyclic borate ester.This invention is described in preferred embodiments in the following description with reference to the Figures, in which like numbers ...

Подробнее
Номер записи: 46
28-04-2016 дата публикации

Field mixable two-component liquid explosive

Номер: US20160116259A1
Автор: Divyakant L. Patel
Принадлежит: US Department of Army

A low-cost, reliable and easy to use kit for neutralizing surface exposed landmine and unexploded ordnance for humanitarian demining is based on a liquid fuel and a solid/soluble fuel. Both fuels are premeasured in separate, sealed containers. The addition of a small quantity of solid/soluble fuel into the liquid creates an explosive. The resulting mixture is capable of detonating with a standard No. 8 blasting cap. The solid/soluble fuel can be in the form of a powder, tablet, or its saturated solution in water. The solid/soluble fuel is hexamethylenetetramine. The liquid fuel, nitromethane, is provided in premeasured quantities. User is provided instructions for choosing the appropriate quantity of liquid fuel, the corresponding solid/soluble fuel required, the method of mixing, placement and detonation of the kits. Also disclosed is a simple wooden stand to hold the bottle of explosive in place. A special fuel, liquid 2-ethylhexylnitrate, is provided to desensitize the mixed and sensitized explosive.

Подробнее
Номер записи: 47
30-04-2015 дата публикации

GEM-DINITRO ESTER ENERGETIC MATERIAL USING ESTERIFICATION AND PREPARATION METHOD THEREOF

Номер: US20150119599A1
Автор: KIM Jin-Seuk, Kim Seung-Hee
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

This invention relates to a gem-dinitro ester energetic material represented by Chemical Formula 1 below, which is synthesized using esterification, and to a preparation method thereof: 2. The gem-dinitro ester energetic material of claim 1 , wherein the C5˜C15 substituted or unsubstituted linear or branched alkyl group is a substituted or unsubstituted linear or branched hexyl group claim 1 , a 2-ethylhexyl group claim 1 , an octyl group claim 1 , a 2-butyloctyl group or a 2-hexyldecyl group.4. The method of claim 3 , wherein the C5˜C15 substituted or unsubstituted linear or branched alkyl group is a substituted or unsubstituted linear or branched hexyl group claim 3 , a 2-ethylhexyl group claim 3 , an octyl group claim 3 , a 2-butyloctyl group or a 2-hexyldecyl group.5. The method of claim 3 , wherein esterifying the compound represented by Chemical Formula 2 with the compound represented by Chemical Formula 3 is performed in the presence of polyphosphoric acid.6. The method of claim 3 , wherein esterifying the compound represented by Chemical Formula 2 with the compound represented by Chemical Formula 3 is performed using dichloromethane or dichloroethane as a halogen solvent. This application claims the benefit of Korean Patent Application No. KR 10-2013-0130059, filed Oct. 30, 2013, which is hereby incorporated by reference in its entirety into this application.1. Technical FieldThe present invention relates to a gem-dinitro ester energetic material, which is synthesized using esterification, and to a preparation method thereof.2. Description of the Related ArtA plastic bonded explosive (PBX) has been developed to improve both performance and insensitivity of explosives, and typically includes a molecular explosive in crystalline form, such as RDX (Research Department Explosive), which typically exhibits explosive performance, and a binder system. The binder system is used in an amount of about 2˜20 wt % based on the total weight of PBX, and functions to impart ...

Подробнее
Номер записи: 48
09-06-2022 дата публикации

EXPLOSIVE COMPOSITION AND METHOD FOR MANUFACTURING SAME, AND METHOD FOR MANUFACTURING HETEROATOM-DOPED NANODIAMOND

Номер: US20220177388A1
Автор: Liu Ming, Mahiko Tomoaki, MAKINO Yuto, NISHIKAWA Masahiro, TSURUI Akihiko
Принадлежит: Daicel Corporation

The present invention is to provide an explosive composition comprising at least one explosive and at least one heteroatom compound, the heteroatom compound comprising at least one heteroatom selected from the group consisting of B, P, Si, S, Cr, Sn, Al, Ge, Li, Na, K, Cs, Mg, Ca, Sr, Ba, Ti, Zr, V, Nb, Ta, Mo, W, Mn, Ni, Cu, Ag, Cd, Hg, Ga, In, Tl, As, Sb, Bi, Se, Te, Co, Xe, F, Y, and lanthanoids. 1. An explosive composition comprising at least one explosive and at least one heteroatom compound ,the heteroatom compound comprising at least one heteroatom selected from the group consisting of B, P, Si, S, Cr, Sn, Al, Ge, Li, Na, K, Cs, Mg, Ca, Sr, Ba, Ti, Zr, V, Nb, Ta, Mo, W, Mn, Ni, Cu, Ag, Cd, Hg, Ga, In, Ti, As, Sb, Bi, Se, Te, Co, Xe, F, Y, and lanthanoids.2. The explosive composition according to claim 1 , wherein the explosive comprises at least one selected from the group consisting of trinitrotoluene (TNT) claim 1 , cyclotrimethylene trinitramine (hexogen claim 1 , RDX) claim 1 , cyclotetramethylene tetranitramine (octogen) claim 1 , trinitrophenyl methylnitramine (tetryl) claim 1 , pentaerythritol tetranitrate (PETN) claim 1 , tetranitromethane (TNM) claim 1 , triamino-trinitrobenzene claim 1 , hexanitrostilbene claim 1 , and diaminodinitrobenzofuroxan.3. The explosive composition according to claim 1 , wherein the heteroatom compound is an organic heteroatom compound.4. The explosive composition according to claim 1 , comprising from 80 to 99.9999 mass % of the explosive and from 0.0001 to 20 mass % of the heteroatom compound.5. The explosive composition according to claim 1 , wherein a particle size of the explosive and/or the heteroatom compound is 10 mm or less.6. A method for producing the explosive composition according to claim 1 , the method comprising mixing the explosive and the heteroatom compound as a dry powder claim 1 , in a molten state claim 1 , or using a solvent claim 1 , and forming the mixture by pressing or casting.7. The method for ...

Подробнее
Номер записи: 49
27-05-2021 дата публикации

COMPOUND AND PREPARATION AND APPLICATION THEREOF

Номер: US20210155624A1
Автор: Deng Mucong, Feng Yongan, Zhang Qinghua
Принадлежит:

The present invention discloses a compound, which comprises the structure shown in FIG. ; and further discloses a preparation method thereof, a precursor material used in the preparation method, explosives comprising the compound, and the application thereof in the field of explosives, in particular in the application of green environmentally-friendly primers. The compound disclosed by the invention may provide green environmental protection type primer, and meets the problem of requiring green environmental protection primers in many fields such as military industry, firework and civil explosion engineering. The compound disclosed in the invention has a simple preparation method and may be prepared by simple reaction steps and conditions, which has the advantages of being green and reliable as no pollution during the reaction process and use, no metal required in the compound structure, with good stability, high impact sensitivity, friction sensitivity, and initiation capability, and appropriate minimum initiating charge. 18-. (canceled)13. The compound according to claim 9 , wherein the polycyclic ring is selected from one of furan claim 9 , pyrrole claim 9 , thiophene claim 9 , imidazole claim 9 , pyrazole claim 9 , oxazole claim 9 , thiazole claim 9 , pyridine claim 9 , pyrazine claim 9 , pyrimidine claim 9 , pyridazine claim 9 , furazan claim 9 , triazoles claim 9 , tetrazoles claim 9 , triazines and tetrazines;preferably, the polycyclic ring is selected from one of imidazole, pyrazole, pyridine, pyrazine, pyrimidine, pyridazine, furazan, triazoles, tetrazoles, triazines and tetrazines;preferably, the polycyclic ring is selected from one of imidazole, pyrazole, pyridine, pyrazine, furazan, triazoles, tetrazoles, triazines and tetrazines;preferably, the polycyclic ring is selected from one of imidazole, pyrazole, pyridine and pyrazine;preferably, the polycyclic ring is selected from one of imidazole and pyrazole;preferably, the polycyclic ring is pyrazole; ...

Подробнее
Номер записи: 50
10-05-2018 дата публикации

THERMAL PRE-IGNITION AGENT

Номер: US20180127328A1
Автор: BLEY Ulrich, HOSCHENKO Aleksej, LECHNER Peter Simon
Принадлежит:

The invention relates to a thermal pre-ignition agent which contains as components 20 to 50 wt. % of dinitrobenzofuroxane and 50 to 80 wt. % of an oxidizing agent and a nitrogen-containing compound. 1. A thermal pre-ignition agent , comprising 20 to 50 weight-% dinitrobenzofuroxane and 50 to 80% weight-% of an oxidizing agent and a compound comprising nitrogen.2. The thermal pre-ignition agent according to claim 1 , wherein it comprises 30 to 70 weight-% of an oxidizing agent selected from one or more of the list comprising nitrates of alkali metals and/or of alkaline earth metals and/or of ammonium claim 1 , perchlorates of alkali metals and/or of alkaline earth metals and/or of ammonium claim 1 , peroxides of alkali metals and/or of alkaline earth metals and/or of zinc.3. The thermal pre-ignition agent according to claim 1 , wherein it comprises 10 to 50 weight-% of a nitrogen-containing compound claim 1 , selected from one or more of the list comprising ammonium picrate claim 1 , aminoguanidinium picrate claim 1 , guanidinium picrate claim 1 , aminoguanidinium styphnate claim 1 , guanidinium styphnate claim 1 , nitroguanidine claim 1 , nitro amino guanidine claim 1 , nitrotriazolone claim 1 , derivates of tetrazol and/or the salts thereof claim 1 , nitraminotetrazole and/or the salts thereof claim 1 , aminoguanidine nitrate claim 1 , di-aminoguanidine nitrate claim 1 , tri-aminoguanidin nitrate claim 1 , guanidine nitrate claim 1 , dy-cyanidiamindine nitrate claim 1 , di-aminoguanidine-azotetrazolate.4. The thermal pre-ignition agent according to claim 1 , wherein it comprises 1 to 15 weight-% of a reducing agent selected from one or more of the list comprising aluminum claim 1 , titanium claim 1 , titanium hydride claim 1 , boron claim 1 , boron hydride claim 1 , zirconium claim 1 , zirconium hydride claim 1 , silicon claim 1 , graphite claim 1 , active carbon claim 1 , carbon black.5. The thermal pre-ignition agent according to claim 1 , wherein it comprises 1 ...

Подробнее
Номер записи: 51
01-09-2022 дата публикации

ENERGETIC MATERIALS

Номер: US20220274898A1
Автор: STRAATHOF Michiel Hannes, TEN CATE Aafke Tessa, VAN DRIEL Christoffel Adrianus
Принадлежит: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO

The invention is directed to a radiation curable energetic composition, to a method of forming a three-dimensional energetic object, to a three-dimensional energetic object, and to uses of the radiation curable energetic composition. 126-. (canceled)27. A method of forming a three-dimensional energetic object comprising the steps of forming and selectively curing a layer of a radiation curable energetic composition comprising(a) one or more polymerisable components,(b) one or more polymerisation photoinitiators, and(c) one or more energetic components,with actinic radiation and repeating the steps of forming and selectively curing a layer of the radiation curable energetic composition a plurality of times to obtain a three-dimensional energetic object.28. The method of claim 27 , wherein said one or more polymerisable components comprise fuel and oxidiser.29. The method of claim 27 , wherein said polymerisable components comprise (a1) one or more free radical polymerisable components claim 27 , and said polymerisation photoinitiators comprise (b1) one or more polymerisation photoinitiators for free radical polymerisation.30. The method of claim 29 , wherein said radical polymerisable components comprise one or more selected from the group consisting of an aliphatic (meth)acrylate claim 29 , an aromatic (meth)acrylate claim 29 , a cycloaliphatic (meth)acrylate claim 29 , an arylaliphatic (meth)acrylate claim 29 , and a heterocyclic (meth)acrylate.31. The method of claim 27 , wherein said polymerisable components comprise (a2) one or more cationically polymerisable components claim 27 , and said polymerisation photoinitiators comprise (b2) one or more polymerisation photoinitiators for cationic polymerisation.32. The method of claim 31 , wherein said cationically polymerisable component comprises one or more selected from the group consisting of cyclic ether compounds claim 31 , cyclic acetal compounds claim 31 , cyclic thioether compounds claim 31 , spiro-orthoester ...

Подробнее
Номер записи: 52
03-06-2021 дата публикации

METHOD FOR SYNTHESIS OF TKX-50 USING INSENSITIVE INTERMEDIATE

Номер: US20210163428A1
Автор: KWON Kuk Tae, Lee So Jung, LEE Woong Hee, SHIM Jeong Sub
Принадлежит:

The present invention relates to a method for synthesis of TKX-50 using an insensitive intermediate and, more specifically, to a method for producing TKX-50, the method comprising the steps of: preparing DCG as a starting material; forming a THP-DAG intermediate from the DCG; and synthesizing TKX-50 through the THP-DAG intermediate. 1. A method of manufacturing TKX-50 , the method comprising:preparing DCG as a starting material;forming a THP-DAG intermediate from the DCG; andsynthesizing TKX-50 through the THP-DAG intermediate.2. The method of claim 1 , wherein the TKX-50 is free of diazidoglyoxime (DAG) that is an intermediate byproduct.3. The method of claim 1 , wherein the THP-DAG has a impact sensitivity of 15 J or greater claim 1 , a friction sensitivity of 300 N or greater and an electrostatic sensitivity of 40 mJ or greater.4. The method of claim 1 , wherein the method comprises:synthesizing dichloroglyoxime (DCG);synthesizing THP-DCG through the DCG;synthesizing THP-DAG through the THP-DCG; andsynthesizing TKX-50 through the THP-DAG.5. The method of claim 4 , wherein the synthesizing of the dichloroglyoxime (DCG) comprises:synthesizing glyoxime; andreacting the glyoxime with N-chlorosuccinimide.6. The method of claim 4 , wherein the synthesizing of the THP-DCG through the DCG is performed by reacting the DCG with 3 claim 4 ,4-dihydro-2H-pyran in the presence of a p-toluenesulfonic acid (p-TsOH) catalyst.7. The method of claim 6 , wherein the synthesizing of the THP-DCG through the DCG is performed by stirring and reacting the DCG claim 6 , the p-TsOH and the 3 claim 6 ,4-dihydro-2H-pyran at a weight ratio of 1:3 to 4:1.6.8. The method of claim 7 , wherein stirring of the DCG claim 7 , the p-TsOH and the 3 claim 7 ,4-dihydro-2H-pyran is performed at room temperature.9. The method of claim 4 , wherein the synthesizing of the THP-DAG through the THP-DCG is performed through an azidation reaction.10. The method of claim 9 , wherein the synthesizing of the THP- ...

Подробнее
Номер записи: 53
23-04-2020 дата публикации

TRUNKLINE DELAY DETONATOR AND BLAST-TRIGGERING DEVICE USING SAME

Номер: US20200124391A1
Автор: Kim In, KIM Se Hun, Lee Eung So, PARK Ki Chul
Принадлежит: HANWHA CORPORATION

The present disclosure relates to a trunkline delay detonator and a blast-triggering device using the same. In the blast-triggering device, a trunkline delay detonator is inserted into a connector in such a manner that a plurality of shock tubes connected to a detonator for initiating an explosive are interposed between the connector and the trunkline delay detonator, so that an explosion signal is applied to the shock tubes by detonation of the trunkline delay detonator. In the blasting detonator, close contact between the outer surface of the trunkline delay detonator and the shock tubes is improved, whereby energy lost in an explosion is reduced and an explosion signal is stably and uniformly applied to the shock tubes by using powder which has a weak explosive power and is relatively insensitive compared to conventional powders. 1. A trunkline delay detonator , configured such that a plurality of shock tubes is in contact with a surface thereof , the plurality of shock tubes being connected to a detonator for initiating an explosive so that an explosion signal is applied to the plurality of shock tubes by detonation of the trunkline delay detonator , the trunkline delay detonator comprising:a detonator casing member having an insertion space therein in a longitudinal direction thereof, the insertion space having an open lower end;a base charge member inserted into an upper end side of the insertion space in the detonator casing member;a delay line member inserted into the insertion space in the detonator casing member and positioned under the base charge member, and in which an ignition retardant is provided;a plug line member inserted into the insertion space in the detonator casing member and positioned under the delay line member; anda detonation tube inserted into an inside of the plug line member so that one end of the detonation tube is positioned up to an upper end of the plug line member, and in which an explosive is inserted.2. The trunkline delay ...

Подробнее
Номер записи: 54
18-05-2017 дата публикации

METHOD AND DEVICE FOR RECOVERING, FROM SUSPENSIONS CONTAINING EXPLOSIVE CHARGES, SAID EXPLOSIVE CHARGES, DRY

Номер: US20170137336A1
Автор: ESCARABAJAL Franck, FONTES Mathieu, GAVELLE Sébastien
Принадлежит: EURENCO

A method for obtaining the explosive charge in dry granular form as well as a device suitable for implementing the method. The method includes: filtering the suspension, by passing same through a static filter in order to obtain a cake containing the granular explosive charge agglomerated by residual liquid; dewatering the cake by subjecting the cake to pressurized gas; splitting the dewatered cake and obtaining a fluidized bed of the desired explosive charge by exposing the dewatered cake to at least one stream of gas; at least one stream of gas being injected, under the dewatered cake to impinge said dewatered cake, according to two consecutive modes and the gas having a humidity height below that of the dewatered cake and a dew point temperature higher than the injection temperature thereof; and stopping at least one stream of gas and recovering the explosive charge in dry, granular form. 113-. (canceled)15. The process as claimed in claim 14 , wherein the explosive charge is recovered in granular form and containing less than 1% by weight of liquid.16. The process as claimed in claim 14 , wherein said suspension exhibits a liquid/explosive charge ratio by weight of between 5 and 20.17. The process as claimed in claim 14 , wherein said cake exhibits a liquid/explosive charge ratio by weight of between 1 and 8.18. The process as claimed in claim 14 , wherein dewatering is carried out under a gas pressure between 2×10and 3×10Pa absolute (2 and 3 bar absolute).19. The process as claimed in claim 14 , wherein claim 14 , on conclusion of step b) claim 14 , said dewatered cake exhibits a thickness of a maximum of 10 cm.20. The process as claimed in claim 14 , wherein said dewatered cake exhibits a liquid/explosive charge ratio by weight of between 0.5 and 2.21. The process as claimed in claim 14 , wherein said pressure p and said flow rates f and F are increasing.22. The process as claimed in claim 14 , wherein said gas is injected in the form of at least two jets.23. ...

Подробнее
Номер записи: 55
30-04-2020 дата публикации

EXPLOSIVE BODY FOR NANODIAMOND SYNTHESIS

Номер: US20200129943A1
Автор: HOKAMOTO Kazuyuki, INA Tomohide, ISHIMOTO Daisuke, Mahiko Tomoaki, Tanaka Shigeru
Принадлежит:

Provided is an explosive body X, i.e., an explosive body for nanodiamond synthesis, includes at least an explosive main body () that includes a frustum part () and a columnar part (). The frustum part () includes an upper bottom surface () including an open end of a hole (H), in which a triggering unit is received, and an angled side surface () forming an imaginary apex angle θ on the upper bottom surface () side. The columnar part () is formed contiguous with the frustum part () on an opposite side of the frustum part () to the upper bottom surface () of the frustum part () and extends in a direction away from the upper bottom surface (). The explosive body for nanodiamond synthesis is suitable for improving the yield in nanodiamond synthesis by a detonation method. 1. An explosive body for nanodiamond synthesis , comprising an explosive main body , the explosive main body includinga frustum part including an upper bottom surface including an open end of a triggering unit receiving hole and an angled side surface forming an imaginary apex angle on the upper bottom surface side, anda columnar part formed contiguous with the frustum part on an opposite side of the frustum part to the upper bottom surface thereof and extending in a direction away from the upper bottom surface.2. The explosive body for nanodiamond synthesis according to claim 1 , whereinthe imaginary apex angle is from 20° to 130°.3. The explosive body for nanodiamond synthesis according to claim 1 , whereinthe imaginary apex angle is from 20° to 30°.4. The explosive body for nanodiamond synthesis according to any one of to claim 1 , whereinthe frustum part has a frustoconical shape.5. The explosive body for nanodiamond synthesis according to claim 1 , further comprising a triggering unit having a part inserted into the triggering unit receiving hole.6. The explosive body for nanodiamond synthesis according to claim 5 , whereinthe triggering unit includes a detonator part and a booster part.7. The ...

Подробнее
Номер записи: 56
11-06-2015 дата публикации

Method for manufacturing nanoparticles by detonation

Номер: US20150157997A1
Автор: Benedikt RISSE, Denis Spitzer, Vincent Pichot
Принадлежит: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS, Institut Franco Allemand de Recherches de Saint Louis ISL

The present invention relates to the field of manufacturing nanoparticles, and specifically to a method for manufacturing diamond nanoparticles, or nanodiamonds, by detonation at least one explosive charge, wherein said at least one explosive charge is nanostructured.

Подробнее
Номер записи: 57
08-06-2017 дата публикации

METHOD FOR PRODUCING COCRYSTALS BY MEANS OF FLASH EVAPORATION

Номер: US20170157528A1
Автор: PESSINA Florent, Risse Benedikt, Spitzer Denis
Принадлежит:

The invention relates to a method for producing a cocrystal of at least two compounds by means of instantaneous evaporation or flash evaporation, for example for the production of cocrystals in the fields of energetic materials, pharmaceutical compounds, phytopharmaceutical compounds, ferroelectric materials, non-linear response materials or bioelectronic materials. 1. A method for preparing a co-crystal of at least two compounds bound through hydrogen bonds , ionic bonds , bonds of the stacking type (π-πstacking) or Van der Waals bonds , comprising the successive steps of: a solution comprising at least one solvent and at least two organics, mineral or organometal compounds, which may be bound through hydrogen bonds, ionic bonds, bonds of the stacking type (π-πstacking) or through Van der Waals bonds; or', 'at least two solutions each comprising at least un solvent and at least one organic, mineral or organometal compound, which may be bound through hydrogen bonds, ionic bonds, bonds of the stacking type (π-πstacking) or through Van der Waals bonds;, 'preparing'}heating the solution or the solutions, under a pressure ranging from 3 to 300 bars, at a temperature above the boiling point of the solvent or at a temperature above the boiling point of the mixture of solvents;atomizing the solution or of the solutions in an atomization chamber by means of at least one dispersion device and under an angle ranging from 30 to 150° C. at a pressure ranging from 0.0001 to 2 bars; andseparating the solvent or of the solvents in gaseous form.2. The method according to comprising the successive steps of:preparing a solution comprising at least one solvent and at least two organics, mineral or organometal compounds, which may be bound through hydrogen bonds, ionic bonds, through bonds of the stacking type (π-πstacking) or through Van der Waals bonds;heating the solution, under a pressure ranging from 3 to 300 bars, to a temperature above the boiling point of the solvent or to a ...

Подробнее
Номер записи: 58
16-06-2016 дата публикации

METHODS OF PRODUCING ENERGETIC POLYMERS, ENERGETIC BINDERS, AND ENERGETIC COMPOSITIONS

Номер: US20160168317A1
Автор: Doll Daniel W., Killpack Michael O., Straessler Nicholas A.
Принадлежит:

A method of producing an energetic polymer comprises reacting at least one energetic diol with at least one of a diacid halide and a diacid halide derivative to produce a geminal dinitro polyester. A method of producing an energetic binder, and a method of producing an energetic composition are also described. 1. A method of producing an energetic polymer , comprising reacting at least one energetic diol with at least one of a diacid halide and a diacid halide derivative to produce a geminal dinitro polyester.2. The method of claim 1 , wherein reacting at least one energetic diol with at least one of a diacid halide and a diacid halide derivative comprises reacting 2 claim 1 ,2-dinitro-1 claim 1 ,3-propanediol with the at least one of the diacid halide and the diacid halide derivative.3. The method of claim 1 , wherein reacting at least one energetic diol with at least one of a diacid halide and a diacid halide derivative comprises reacting the at least one energetic diol with at least one diacid chloride.4. The method of claim 3 , wherein reacting the at least one energetic diol with at least one diacid chloride comprises reacting the at least one energetic diol with at least one of oxalyl chloride claim 3 , malonyl chloride claim 3 , succinyl chloride claim 3 , glutaryl chloride claim 3 , adipoyl chloride claim 3 , pimeloyl chloride claim 3 , suberoyl chloride claim 3 , azelaoyl chloride claim 3 , diglycolyl chloride claim 3 , and sebacoyl chloride.5. The method of claim 1 , wherein reacting at least one energetic diol with at least one of a diacid halide and a diacid halide derivative comprises:reacting at least one diacid chloride with at least one amine to form an acyl ammonium salt; andreacting the at least one energetic diol with the acyl ammonium salt.6. The method of claim 1 , wherein reacting at least one energetic diol with at least one of a diacid halide and a diacid halide derivative comprises reacting the at least one energetic diol with the at least ...

Подробнее
Номер записи: 59
29-09-2022 дата публикации

DOWNHOLE TOOL WITH FUEL SYSTEM

Номер: US20220307351A1
Автор: FORSYTH Andrew, FREUDENMANN Dominic, KIRCHBERGER Christoph, KURILOV Maxim, MCKAY Simon, OAG Jamie
Принадлежит:

A tool () for manipulating a material, includes a body () defining a chamber (). At least one source () of a pressurised fuel and oxidant mixture () or of a monopropellant is in communication with a chamber via an injector device. At least one mechanism () for igniting the fuel and oxidant mixture or for initiating decomposition of the monopropellant is provided. Upon ignition of the fuel and oxidant mixture or initiation of the decomposition of the monopropellant, a combustion jet () or a decomposition product jet is formed in the chamber which, in use, flows out through a nozzle outlet () towards, and into engagement with, a material to be manipulated. Methods of using the tool () and fuel and oxidant compositions suitable for use in the tool are also described. 1. A tool for manipulating a material , the tool comprising:a body defining a chamber;at least one source of a pressurised fuel and oxidant mixture, or of a pressurised monopropellant, in fluid communication with the chamber via an injector device;at least one nozzle, each nozzle having an inlet and an outlet, the inlet being in fluid communication with the chamber; andat least one mechanism for igniting the fuel and oxidant mixture, or for initiating decomposition of the monopropellant;wherein, upon ignition of the fuel and oxidant mixture, or initiating decomposition of the monopropellant, a combustion jet or a decomposition product jet is formed in the chamber which, in use, flows out of the tool through each nozzle outlet towards, and into engagement with, a material to be manipulated.2. The tool of claim 1 , wherein the tool comprises the at least one source of a pressurised fuel and oxidant mixture.3. The tool of claim 1 , wherein the tool is configured for use downhole.4. The tool of wherein the combustion jet or combustion jets emanate from the tool in a radially outwards 360 degree direction.5. The tool of further comprising a cooling system.6. The tool of claim 2 , wherein the fuel and oxidant ...

Подробнее
Номер записи: 60
18-09-2014 дата публикации

Methods and systems for producing demn eutectic, and related methods of producing energetic compositions

Номер: US20140261930A1
Автор: Harold E. Johnston, Stephen P. Velarde
Принадлежит: Alliant Techsystems Inc

A method of producing DEMN eutectic comprises reacting a reactant mixture comprising ethylenediamine and diethylenetriamine with aqueous nitric acid to form a reaction mixture comprising diethylentriamine trinitrate and ethylenediamine dinitrate. The reaction mixture is combined with methylnitroguanidine and nitroguanidine to form an aqueous slurry. Water is removed from the aqueous slurry. A method of producing an energetic composition, and a system for producing DEMN eutectic are also described.

Подробнее
Номер записи: 61
28-05-2020 дата публикации

A METHOD FOR PRODUCING POTASSIUM 1,1 -DINITRAMINO-5,5-BISTETRAZOLATE AND EXPLOSIVE COMPOSITIONS COMPRISING SAID SALT

Номер: US20200165228A1
Автор: Bolter Marc F., Klapötke Thomas M., Muller Elmar Lennox, Stierstorfer Jörg, Volkl Maurus
Принадлежит: DETNET SOUTH AFRICA (PTY) LTD

A method of producing KDNABT wherein a biztetrazole intermediate is nitrated using a nitrating agent selected from the following: dinitronium disulphate; a mixture of nitric acid and sulfuric acid; a mixture of nitric acid and phosphorous pentoxide; and nitric acid with acetic anhydride. 1. A method of producing KDNABT which includes the steps of:(a) reacting dialkyl carbonate with hydrazine hydrate to produce alkyl carbazate;(b) reacting the alkyl carbazate with glyoxal to produce dialkyloxy carbonyl glyoxal bishydrazone;(c) halogenating the dialkyloxy carbonyl glyoxal bishydrazone with a halogenating agent to form halogenated bishydrazone;(d) azidation of the halogenated bishydrazone with an azide to produce diazido dialkyloxycarbonylglyoxal bishydrazone;(e) cyclization of the diazido dialkyloxycarbonylglyoxal bishydrazone with a ring closing electrophile reactant to produce bistetrazole intermediate;(f) deprotecting the bistetrazole intermediate with a nitrating agent to produce nitramino intermediate; and{'sub': '2', '(g) alkaline hydrolysing the nitramino intermediate with a potassium hydroxide to produce KDNABT;'}wherein the nitrating agent is selected from the following: a mixture of about 10:1 nitric acid and phosphorous pentoxide; and a mixture of nitric acid with acetic anhydride in a range between 1:1 and 4:1.2. (canceled)3. A method according to wherein the nitrating agent is the 4:1 mixture of nitric acid with acetic anhydride.4. A method according to or wherein steps (a) and (b) are combined in a first one-pot reaction step in which hydrazine hydrate is added to dialkyl carbonate to form a alkyl carbazate intermediate claim 1 , and then glyoxal is added to produce a dialkyloxy carbonyl glyoxal bishydrazone.5. A method according to or wherein steps (c) and (d) are combined in a second one-pot reaction step in which dialkyloxy carbonyl glyoxal bishydrazone is dissolved in a first solvent before the halogenating (step (c)) to produce a halogenated ...

Подробнее
Номер записи: 62
09-07-2015 дата публикации

GAS GENERATING COMPOSITION

Номер: US20150191400A1
Автор: Fujisaki Yoji, MATSUDA Naoki, YAMAZAKI Masayuki
Принадлежит: Daicel Corporation

Provided is a gas generating composition which easily generates a lumpy combustion residue and has good ignition ability. The gas generating composition includes a fuel and an oxidizing agent and meets the following requirements (a), (b), and (c): 1. A gas generating composition comprising a fuel and an oxidizing agent , the composition meeting the following requirements (a) , (b) , and (c):(a) at least one metal selected from the croup consisting of copper, silver, platinum, and gold is included in the composition;(b) the combustion residue of the composition is formed substantially by at least one metal selected from the group consisting of copper, silver, platinum, and gold; and(c) the combustion temperature of the composition is less than a temperature obtained by adding 200° C. to the melting point of copper, silver, platinum, or gold contained therein.2. The gas generating composition according to claim 1 , wherein the fuel is at least one selected from the group consisting of guanidine nitrate claim 1 , aminoguanidine nitrate claim 1 , nitroguanidine claim 1 , triaminoguanidine nitrate claim 1 , melamine claim 1 , cyanuric acid claim 1 , melamine cyanurate claim 1 , ammeline claim 1 , ammelide claim 1 , trimethylene trinitroamine (RDX) claim 1 , cyclotetramethylene tetranitramine (HMX) claim 1 , azodicarbonamide (ADCA) claim 1 , dicyandiamide (DCDA) claim 1 , 5-aminotetrazole (5-AT) claim 1 , 5-aminotetrazole metal salt claim 1 , bitetrazole claim 1 , a bitetrazole metal salt claim 1 , and bitetrazole ammonium salt.3. The gas generating composition according to claim 1 , wherein the fuel is made of a combination of a first fuel component of at least one selected from the group consisting of melamine claim 1 , melamine cyanurate claim 1 , and guanidine nitrate claim 1 , and a second fuel component of at least one selected from the group consisting of nitroguanidine and 5-aminotetrazole.4. The gas generating composition according to claim 1 , wherein the ...

Подробнее
Номер записи: 63
22-07-2021 дата публикации

LONG UNSATURATED ALIPHATIC CHAINS AS STABILISERS FOR NITRATE ESTERS AND NITROCELLULOSE-BASED APPLICATIONS

Номер: US20210221752A1
Автор: DEJEAIFVE ALAIN, DOBSON ROWAN
Принадлежит: P.B. Clermont

A nitrocellulose-based composition for use as a propellant or as a combustible item is provided. The nitrocellulose-based composition includes a nitrate ester-based component including nitrocellulose; and a stabiliser (I) in the form of a long aliphatic chain having at least two unsaturation sites, the compound having a molecular weight of at least (120) and an iodine number of at least (25). 1. A nitrocellulose-based composition for use as propellant or as combustible item , said nitrocellulose-based composition comprising:(a) a nitrate ester-based component comprising nitrocellulose; and(b) a stabiliser (I) in the form of a long aliphatic chain having at least two unsaturation sites, the compound having a molecular weight of at least 120 and an iodine number of at least 25.2. The nitrocellulose-based composition according to claim 1 , wherein the nitrate ester-based propellant component consists of nitrocellulose alone (single base) or of a mixture comprising nitrocellulose in combination with at least a blasting oil and/or at least one energetic additive claim 1 , thus defining a double or higher base composition.3. The nitrocellulose-based composition according to claim 2 , wherein the blasting oil comprises at least a nitrated polyol claim 2 , which is obtained by nitration of a polyol selected from a group consisting of glycerol claim 2 , glycol claim 2 , diethylene glycol claim 2 , triethylene glycol and metriol.4. The nitrocellulose-based composition according to claim 1 , wherein the stabiliser is a component capable of reacting with both degradation products of the nitrate ester claim 1 , namely alkoxy radicals and NOx claim 1 , mainly by a series of hydrogen abstraction of one labile proton of the stabiliser claim 1 , located in the alpha-position of an unsaturation and recombinations with similar carbon-based free radicals or the NOx species from the ageing of nitrocellulose.5. The nitrocellulose-based composition according to claim 5 , wherein the ...

Подробнее
Номер записи: 64
28-07-2016 дата публикации

BASE CHARGE EXPLOSIVE SYSTEM APPLICATION

Номер: US20160216094A1
Автор: Bezuidenhout Hendrik Cornelius, Halliday Pieter Stephanus Jacobus
Принадлежит:

A detonator which includes a tubular housing with a bore in which is formed a compartment that houses a first frangible container with a first quantity of a first material inside the first container, a second frangible container with a second quantity of a second material inside the second container, and an actuating mechanism which is operable to break the first container and the second container thereby to allow the first material to contact the second material and form an explosive composition inside the compartment. 111-. (canceled)123032364244424446424634444642323836104364838909842804446. A detonator () which includes a tubular housing () with a bore () in which is formed a compartment () , a first frangible container () inside the compartment () , a first quantity of a first material (A) inside the first container () , a second frangible container () inside the compartment () , a second quantity of a second material (B) inside the second container () , and an actuating mechanism () which is operable to break the first container () and the second container () thereby to allow the first material (A) to contact the second material (B) and form an explosive composition inside the compartment () characterised in that the housing () has a mouth () , to the bore () , which is connectable to an initiating source () in that inside the bore () , a time delay composition () is exposed to the mouth () , and a primary explosive () is located between the time delay composition () and said compartment () , in that a safety device () is provided to prevent inadvertent breaking of the first container () and of the second container () and in that the explosive composition is formed in a period which is not less than one minute after the first material (A) contacts the second material (B).13347072764444. A detonator according to wherein the actuating mechanism () includes a tool ( claim 12 , claim 12 , ) which is movable by a user to break the first container () and the second ...

Подробнее
Номер записи: 65
16-10-2014 дата публикации

Priming Mixtures for Small Arms

Номер: US20140305555A1
Автор: John, JR. Henry J., Pile Donald Allen
Принадлежит:

A primer for small arms ammunition including a primary explosive and an oxidizer system containing bismuth oxide is provided. A method of forming the primer and a small arms ammunition cartridge also is provided. The oxidizer system can be non-hygroscopic and non-toxic. The primer can include reducing agents or fuels, sensitizers, binders and gas producing agents. 122.-. (canceled)23. A method of making a priming mixture for small arms ammunition comprising:combining on a dry weight percent the following components:about 20% to about 70% by weight of a primary explosive;about 10% to about 70% by weight of an oxidizer system comprising bismuth oxide;about 0% to about 25% by weight of a gas producing agent;about 0% to about 20% by weight of a sensitizer; and,about 0% to about 20% by weight of a reducing agent.24. The method of making the priming mixture of claim 42 , further comprising pelletizing the aqueous priming mixture.25. The method of making the priming mixture of claim 24 , further comprising charging a percussion cup with the pelletized priming mixture to form a charged percussion cup.26. A method of making a priming mixture for small arms ammunition comprising combining the following components:a primary explosive; and,a non-hygroscopic, non-corrosive oxidizer system comprising bismuth oxide.27. The method of making the priming mixture of claim 43 , further comprising pelletizing the aqueous priming mixture.28. The method of making the priming mixture of claim 27 , further comprising charging a percussion cup with the pelletized priming mixture to farm a charged percussion cup.29. The method of making the priming mixture of claim 43 , further comprising combining and mixing a sensitizer with the aqueous priming mixture.30. The method of making the priming mixture of claim 43 , further comprising combining and mixing a reducing agent with the aqueous priming mixture.31. The method of making the priming mixture of claim 43 , further comprising combining and ...

Подробнее
Номер записи: 66
04-08-2016 дата публикации

BURN RATE MODIFIER

Номер: US20160221888A1
Автор: Jones Ashley, Warrender Garry
Принадлежит:

The invention relates generally to burn rate modifiers and propellants comprising a burn rate modifier. The invention also relates to methods of producing a propellant comprising a burn rate modifier as well as an ammunition cartridge comprising the propellant. The burn rate modifier comprises a compound of formula 1 and the propellant comprises a compound of formula 1 and an energetic material. 118-. (canceled)20. The propellant according to claim 19 , wherein the energetic material is in the form of granules.21. The propellant according to claim 20 , wherein granules comprise a perforation.22. The propellant according to claim 19 , wherein the energetic material is selected from the group consisting of black powder claim 19 , ammonium perchlorate claim 19 , hexogen claim 19 , butanetrioltrinitrate claim 19 , ethyleneglycol dintrate claim 19 , diethyleneglycol dinitrate claim 19 , erithritol tetranitrate claim 19 , octogen claim 19 , hexanitroisowurtzitane claim 19 , metriol trinitrate claim 19 , N-Methylnitramine claim 19 , pentaerythritol tetranitrate claim 19 , tetranitrobenzolamine claim 19 , trinitrotoluene claim 19 , nitroglycerine claim 19 , nitrocellulose claim 19 , mannitol hexanitrate claim 19 , triethylene glycol dinitrate claim 19 , guanidine claim 19 , nitroguanidine claim 19 , 3-nitro-1 claim 19 ,2 claim 19 ,4-triazol-5-one claim 19 , ammonium nitrate claim 19 , propanediol dinitrate claim 19 , hexamine claim 19 , 5-aminotetrazole claim 19 , methyltetrazole claim 19 , phenyltetrazole claim 19 , polyglycidylnitrate claim 19 , polyglycidylazide claim 19 , poly[3-nitratomethyl-3-methyloxitane] claim 19 , poly[3-azidomethyl-3-methyloxitane] claim 19 , poly[3 claim 19 ,3-bis(azidomethyl)oxitane] claim 19 , nitrated cyclodextrin polymers claim 19 , poly glycidylnitrate claim 19 , and combinations thereof.23. The propellant according to claim 19 , wherein the energetic material is nitrocellulose.24. The propellant according to claim 20 , wherein the compound ...

Подробнее
Номер записи: 67
04-08-2016 дата публикации

Burn rate modifier

Номер: US20160221889A1
Автор: Ashley Jones, Garry Warrender
Принадлежит: Thales Australia Ltd

The invention relates generally to burn rate modifiers and propellants comprising a burn rate modifier. The Invention also relates to methods of producing a propellant comprising a burn rate modifier as well as an ammunition cartridge comprising the propellant. The burn rate modifier comprises a compound of formula 1 and the propellant comprises a compound of formula 1 and an energetic material.

Подробнее
Номер записи: 68
02-08-2018 дата публикации

5,5'-Bis(2,4,6-Trinitrophenyl)-2,2'-Bi(1,3,4-Oxadiazole) and Bis(2,4,6-Trinitrobenzoyl)Oxalohydrazide

Номер: US20180215677A1
Автор: Klapötke Thomas, Witkowski Tomasz Grzegorz
Принадлежит:

The invention relates to 5,5′-bis(2,4,6-trinitrophenyl)-2,2′-bi(1,3,4-oxadiazole) and bis(2,4,6-trinitrobenzoyl)oxalohydrazide, an energetic active mass comprising or consisting of 5,5′-bis(2,4,6-trinitrophenyl)-2,2′-bi(1,3,4-oxadiazole) and/or bis(2,4,6-trinitrobenzoyl)oxalohydrazide, a use of 5,5′-bis(2,4,6-trinitrophenyl)-2,2′-bi(1,3,4-oxadiazole) as explosive, a use of bis(2,4,6-trinitrobenzoyl)oxalohydrazide as explosive as well as methods for synthesizing 5,5′-bis(2,4,6-trinitrophenyl)-2,2′-bi(1,3,4-oxadiazole) and bis(2,4,6-trinitrobenzoyl)oxalohydrazide. 115.-. (canceled)16. Compound selected from the group consisting of 5 ,5′-bis(2 ,4 ,6-trinitrophenyl)-2 ,2′-bi(1 ,3 ,4-oxadiazole) and bis(2 ,4 ,6-trinitrobenzoyl)oxalohydrazide.17. Energetic active mass comprising or consisting of 5 ,5′-bis(2 ,4 ,6-trinitrophenyl)-2 ,2′-bi(1 ,3 ,4-oxadiazole) and/or bis(2 ,4 ,6-trinitrobenzoyl)oxalohydrazide.18. Use of the compound of as explosive.19. Method for synthesizing the compound of claim 16 , wherein the compound is 5 claim 16 ,5′-bis(2 claim 16 ,4 claim 16 ,6-trinitrophenyl)-2 claim 16 ,2′-bi(1 claim 16 ,3 claim 16 ,4-oxadiazole) claim 16 , wherein bis(2 claim 16 ,4 claim 16 ,6-trinitrobenzoyl)oxalohydrazide is dehydrated in a solution to give said 5 claim 16 ,5′-bis(2 claim 16 ,4 claim 16 ,6-trinitrophenyl)-2 claim 16 ,2′-bi(1 claim 16 ,3 claim 16 ,4-oxadiazole).20. Method according to claim 19 , wherein said bis(2 claim 19 ,4 claim 19 ,6-trinitrobenzoyl)oxalohydrazide is dehydrated by contacting bis(2 claim 19 ,4 claim 19 ,6-trinitrobenzoyl)oxalohydrazide with a dehydration agent.21. Method according to claim 20 , wherein the dehydration agent consists of or comprises at least one agent selected from HSO claim 20 , oleum claim 20 , p-tosyl chloride claim 20 , polyphosphoric acid claim 20 , phosphorus pentoxide claim 20 , acetic anhydride claim 20 , phosphorus oxychloride claim 20 , sulfur trioxide claim 20 , methyl N-(triethylammoniumsulfonyl)carbamate claim 20 ...

Подробнее
Номер записи: 69
11-07-2019 дата публикации

DETONATOR-SENSITIVE ASSEMBLED BOOSTER CHARGES FOR USE IN BLASTING ENGINEERING AND THE USE THEREOF

Номер: US20190210937A1
Автор: KLUNKER Jürgen, ZIEGLER Konrad
Принадлежит: EST ENERGETICS GMBH

This invention relates to detonator-sensitive assembled booster charges for use in blasting engineering. The booster charge comprises nitroalkane and a cavity-forming agent. 115-. canceled16. A detonator-sensitive booster charge for use in blasting engineering comprising:a mixture comprising a nitromethane, fumed silica, and a cavity-forming means comprising a plurality of hollow glass microspheres, anda receptacle for an ignition device,wherein the booster charge is configured so as to be waterproof and temperature-resistant.17. The detonator-sensitive booster charge according to claim 16 , wherein the booster charge is made of a liquid-impermeable material.18. The detonator-sensitive booster charge according to claim 17 , wherein the booster charge exhibits a concave curvature arranged on an opposite side of the receptacle for the ignition device.19. The detonator-sensitive booster charge according to claim 18 , wherein the concave curvature comprises a metallic coating.20. The detonator-sensitive booster charge according to claim 16 , wherein the ignition device comprises a blasting cap claim 16 , a detonating cord claim 16 , or a non-electric detonator.21. The detonator-sensitive booster charge according to claim 16 , wherein the hollow glass microsphere has a grain size of 20-200 μm.22. The detonator-sensitive booster charge according to claim 18 , wherein the mixture comprises between 85% by weight and 98.3% by weight nitromethane claim 18 , between 1.5% by weight and 10% by weight fumed silica claim 18 , and between 0.2% by weight and 10% by weight cavity-forming means comprising a plurality of hollow glass microspheres.23. The detonator-sensitive booster charge according to claim 17 , wherein the mixture comprises 92.5% by weight nitromethane claim 17 , 6.5% by weight fumed silica claim 17 , and 1% weight cavity-forming means comprising a plurality of hollow glass microspheres claim 17 , wherein the hollow glass microspheres have a grain size of ...

Подробнее
Номер записи: 70
11-07-2019 дата публикации

PROPELLANT STABILIZER

Номер: US20190210938A1
Автор: Barber Nicole, Jones Ashley, Warrender Garry
Принадлежит:

The invention relates generally to propellant stabilizers. The invention also relates to methods of producing a propellant comprising a propellant stabilizer as well as an ammunition cartridge comprising the stabilized propellant. The propellant stabilizer comprises a compound of formula 1 2. The propellant according to claim 1 , wherein the energetic material is in the form of granules.3. The propellant according to claim 1 , wherein the energetic material is selected from the group consisting of black powder claim 1 , ammonium perchlorate claim 1 , hexogen claim 1 , butanetrioltrinitrate claim 1 , ethyleneglycol dintrate claim 1 , diethyleneglycol dinitrate claim 1 , erithritol tetranitrate claim 1 , octogen claim 1 , hexanitroisowurtzitane claim 1 , metriol trinitrate claim 1 , N-methylnitramine claim 1 , pentaerythritol tetranitrate claim 1 , tetranitrobenzolamine claim 1 , trinitrotoluene claim 1 , nitroglycerine claim 1 , nitrocellulose claim 1 , mannitol hexanitrate claim 1 , triethylene glycol dinitrate claim 1 , guanidine claim 1 , nitroguanidine claim 1 , 3-nitro-1 claim 1 ,2 claim 1 ,4-triazol-5-one claim 1 , ammonium nitrate claim 1 , propanediol dinitrate claim 1 , hexamine claim 1 , 5-aminotetrazole claim 1 , methyltetrazole claim 1 , phenyltetrazole claim 1 , polyglycidylnitrate claim 1 , polyglycidylazide claim 1 , poly[3-nitratomethyl-3-methyloxitane] claim 1 , poly[3-azidomethyl-3-methyloxitane] claim 1 , poly[3 claim 1 ,3-bis(azidomethyl)oxitane] claim 1 , nitrated cyclodextrin polymers claim 1 , poly glycidylnitrate claim 1 , and combinations thereof.4. The propellant according to claim 1 , wherein the energetic material is nitrocellulose.5. The propellant according to claim 1 , wherein the compound of formula 1 is 4-(4-hydroxyphenyl)butan-2-one.6. The propellant according to claim 1 , further comprising a graphite layer.7. A method of preparing a propellant according to claim 1 , comprising dispersing the compound of formula 1 evenly throughout ...

Подробнее
Номер записи: 71
19-08-2021 дата публикации

SYSTEMS FOR PRODUCING DEMN EUTECTIC

Номер: US20210253492A1
Автор: Johnston Harold E., Velarde Stephen P.
Принадлежит:

A method of producing DEMN eutectic comprises reacting a reactant mixture comprising ethylenediamine and diethylenetriamine with aqueous nitric acid to form a reaction mixture comprising diethylentriamine trinitrate and ethylenediamine dinitrate. The reaction mixture is combined with methylnitroguanidine and nitroguanidine to form an aqueous slurry. Water is removed from the aqueous slurry. A method of producing an energetic composition, and a system for producing DEMN eutectic are also described. 1. A system for producing DEMN eutectic , comprising:a single reaction vessel configured to react a reactant mixture comprising diethylenetriamine and ethylenediamine and aqueous nitric acid at a temperature of from about 10° C. to about 90° C. to produce a reaction mixture comprising ethylenediamine dinitrate and diethylentriamine trinitrate, to combine the reaction mixture with methylnitroguanidine and nitroguanidine to form an aqueous slurry, and to heat the aqueous slurry at a temperature of from about 50° C. to about 150° C.2. (canceled)3. The system of claim 1 , wherein the single reaction vessel is a glass-lined reactor.4. The system of claim 3 , further comprising:at least one source of diethylenetriamine and ethylenediamine in fluid communication with the glass-lined reactor;at least one source of aqueous nitric acid in fluid communication with the glass-lined reactor; andat least one source of methylnitroguanidine and nitroguanidine in fluid communication with the glass-lined reactor.5. The system of claim 3 , wherein the glass-lined reactor comprises:a first inlet configured and positioned to receive a reactant feed stream comprising diethylenetriamine and ethylenediamine;a second inlet configured and positioned to receive an aqueous nitric acid stream comprising aqueous nitric acid;a third inlet configured and positioned to receive another reactant feed stream comprising methylnitroguanidine and nitroguanidine;a first outlet configured and positioned to remove ...

Подробнее
Номер записи: 72
18-08-2016 дата публикации

STABILIZED NITROCELLULOSE-BASED PROPELLANT COMPOSITION

Номер: US20160236998A1
Автор: BERTON VINCENT, DEJEAIFVE ALAIN, DOBSON ROWAN
Принадлежит: PB CLERMONT SA

The present invention concerns a nitrocellulose-based propellant composition comprising: 2. The propellant composition according to claim 1 , wherein the nitrate ester based propellant is a single base propellant consisting of nitrocellulose alone or is a double or higher base propellant comprising nitrocellulose in combination with at least one blasting oil and/or at least one energetic additive.3. The propellant composition according to claim 1 , wherein the stabilizer is a substance capable of reacting by H-abstraction with radical alkoxy groups formed by degradation of the nitrate ester to form a first by-product capable of reacting with NOx formed by degradation of the nitrate ester to form a second by-product comprising no NNO groups.4. The propellant composition according to claim 3 , wherein the second by-product is capable of reaction with radical alkoxy groups or with NOx formed by degradation of the nitrate ester for forming third and subsequent by-products capable of reacting with such radical alkoxy groups or with NOx.5. The propellant composition according to claim 2 , wherein the at least one blasting oil comprises at least a nitrated polyol claim 2 , said nitrated polyol is obtained by nitration of polyol selected from a group consisting of glycerol claim 2 , glycol claim 2 , diethylene glycol claim 2 , triethylene glycol and metriol claim 2 , and wherein the at least one energetic additive is an energetic plasticizer selected from the group of nitramines or is an explosive.6. The propellant composition according to claim 1 , wherein Rrepresents G-s alkyl substituted or not.11. The propellant composition according to claim 1 , wherein the stabilizer is present at an amount between 0.1 and 5.0 wt. % claim 1 , with respect to the total weight of the propellant composition.12. The propellant composition according to claim 1 , wherein the nitrate ester based propellant comprises not more than 60 wt. % nitroglycerinan with respect of the total weight of ...

Подробнее
Номер записи: 73
27-08-2015 дата публикации

SIMPLE LOW-COST HAND-HELD LANDMINE NEUTRALIZATION DEVICE

Номер: US20150241179A1
Автор: Patel Divyakant L.
Принадлежит: UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF THE ARMY

A low-cost, reliable and easy to use kit for neutralizing surface exposed landmine and unexploded ordnance for humanitarian demining is provided. The kit contains a liquid fuel and a solid/soluble fuel. Both fuels are premeasured in separate, sealed containers. The addition of a small quantity of solid/soluble fuel into the liquid creates an explosive. The resulting mixture is capable of detonating with a standard No. 8 blasting cap. The solid/soluble fuel can be in the form of a powder, tablet, or its saturated solution in water. The solid/soluble fuel is hexamethylenetetramine. The liquid fuel, nitromethane, is provided in premeasured quantities. User is provided instructions for choosing the appropriate quantity of liquid fuel, the corresponding solid/soluble fuel required, the method of mixing, placement and detonation of the kits. Also disclosed is a simple wooden stand to hold the bottle of explosive in place. A special fuel, liquid 2-ethylhexylnitrate, is provided to desensitize the mixed and sensitized explosive. 1. A demining kit for neutralizing mines and unexploded ordnance , comprising:a first container having a sealable opening with a matching screw cap, wherein either the first container or the screw cap is capable of securing a standard blasting cap;a premeasured amount of flammable liquid in the first container;a second small sealable container capable of reuse;a predetermined amount of soluble fuel sensitizer contained in the second small sealable container sufficient to sensitize the flammable liquid for detonation using an initiation system based on the standard blasting cap; anda desensitizer.2. The demining kit for neutralizing mines and unexploded ordnance according to claim 1 , wherein said soluble fuel sensitizer is selected from solid cyclic aliphatic amines claim 1 , DBCO claim 1 , 4 claim 1 ,4′-diaminodicyclohexylmethane claim 1 , hexamethylene tetramine claim 1 , piperazine anhydrous and combinations thereof claim 1 , and the flammable ...

Подробнее
Номер записи: 74
17-08-2017 дата публикации

PROPELLANT COMPOSITIONS COMPRISING NITRAMINE OXIDANTS

Номер: US20170233306A1
Автор: HWANG Junsik, KIM Jinseok, KWON Soonkil, PARK Minkyu
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

The present invention relates to a high energy-containing propellant composition and a use thereof. The propellant composition of the present invention is a propellant composition for guns, including: (a) 55 to 85 wt % of a nitrocellulose binder; (b) 10 to 35 wt % of a nitramine oxidant; (c) 1 to 4 wt % of a plasticizer having both a nitrate group and a nitramine group; and (d) 0.5 to 3 wt % of a stabilizer. The propellant composition of the present invention significantly improves a physical compatibility between the nitrocellulose binder and the oxidant using a plasticizer containing both a nitrate group and a nitramine group, leading to stable interior ballistics characteristics from low temperature to high temperature as well as improvement on the characteristics of an extrudate. Accordingly, the propellant composition of the present invention may be effectively applied to an ammunition for guns due to an excellent physical property and interior ballistic stability thereof. 1. A propellant composition for guns , comprising: (a) 55 to 85 wt % of a nitrocellulose binder; (b) 10 to 35 wt % of a nitramine oxidant; (c) 1 to 4 wt % of a plasticizer having both a nitrate group and a nitramine group; and (d) 0.5 to 3 wt % of a stabilizer.2. The propellant composition of claim 1 , wherein a nitrogen content in the nitrocellulose binder is 12 to 14 wt %.3. (canceled)4. (canceled)5. The propellant composition of claim 1 , wherein the plasticizer having both the nitrate group and the nitramine group is alkyl-nitrate ethyl nitramine (alkyl-NENA).6. (canceled)7. The propellant composition of claim 1 , wherein the propellant composition has stable interior ballistics characteristics at a temperature of −40° C. to 52° C. Pursuant to 35 U.S.C. §119(a), this application claims the benefit of earlier filing date and right of priority to Korean Application No. 10-2016-0018434, filed on Feb. 17, 2016, the contents of which are incorporated by reference herein in its entirety.The ...

Подробнее
Номер записи: 75
17-08-2017 дата публикации

SYSTEMS FOR PRODUCING DEMN EUTECTIC, AND RELATED METHODS OF FORMING AN ENERGETIC COMPOSITION

Номер: US20170233307A1
Автор: Johnston Harold E., Velarde Stephen P.
Принадлежит:

A method of producing DEMN eutectic comprises reacting a reactant mixture comprising ethylenediamine and diethylenetriamine with aqueous nitric acid to form a reaction mixture comprising diethylentriamine trinitrate and ethylenediamine dinitrate. The reaction mixture is combined with methylnitroguanidine and nitroguanidine to form an aqueous slurry. Water is removed from the aqueous slurry. A method of producing an energetic composition, and a system for producing DEMN eutectic are also described. 1. A method of producing an energetic composition , comprising:reacting a reactant mixture comprising ethylenediamine and diethylenetriamine with an aqueous solution comprising from about 60 percent by weight nitric acid to about 75 percent by weight nitric acid at a temperature of from about 10° C. to about 90° C. to form a reaction mixture comprising ethylenediamine dinitrate and diethylentriamine trinitrate and exhibiting a pH within a range of from about 0 to about 7;combining the reaction mixture with methylnitroguanidine and nitroguanidine to form an aqueous slurry; andheating the aqueous slurry at a temperature of from about 50° C. to about 150° C. and under at least one of negative pressure and air sparge to form a DEMN eutectic comprising ethylenediamine dinitrate, diethylentriamine trinitrate, methylnitroguanidine, nitroguanidine, and from about 0.1 percent by weight water to about 2 percent by weight water.2. The method of claim 1 , further comprising cooling the DEMN eutectic to form a solid DEMN eutectic.3. The method of claim 1 , further comprising forming particles of DEMN eutectic from the DEMN eutectic.4. The method of claim 1 , further comprising combining the DEMN eutectic with an energetic material.5. The method of claim 1 , further comprising combining the DEMN eutectic with at least one of 1 claim 1 ,3 claim 1 ,5-triaza-1 claim 1 ,3 claim 1 ,5-trinitocyclohexane claim 1 , 1 claim 1 ,3 claim 1 ,5 claim 1 ,7-tetraaza-1 claim 1 ,3 claim 1 ,5 claim 1 ,7- ...

Подробнее
Номер записи: 76
25-08-2016 дата публикации

BURN RATE MODIFIER

Номер: US20160244382A1
Автор: Jones Ashley, Warrender Garry
Принадлежит:

The invention relates generally to burn rate modifiers, plasticizers and propellants comprising a burn rate modifier and/or a plasticizer. The invention also relates to methods of producing a propellant comprising a burn rate modifier and/or a plasticizer as well as an ammunition cartridge comprising the propellant. The burn rate modifier and/or plasticiser comprises a compound of formula (1) (Formula (1)) and the propellant comprises a compound of formula 1 and an energetic material. 120-. (canceled)22. The propellant according to claim 21 , wherein the energetic material is in the form of granules.23. The propellant according to claim 22 , wherein the granules comprise a perforation.24. The propellant according to claim 21 , wherein the energetic material is selected from the group consisting of carbon black powder claim 21 , ammonium perchlorate claim 21 , hexogen claim 21 , butanetrioltrinitrate claim 21 , ethyleneglycol dintrate claim 21 , diethyleneglycol dinitrate claim 21 , erithritol tetranitrate claim 21 , octogen claim 21 , hexanitroisowurtzitane claim 21 , metriol trinitrate claim 21 , N-Methylnitramine claim 21 , pentaerythritol tetranitrate claim 21 , tetranitrobenzolamine claim 21 , trinitrotoluene claim 21 , nitroglcerine claim 21 , nitrocellulose claim 21 , mannitol hexanitrate claim 21 , triethylene glycol dinitrate claim 21 , guanidine claim 21 , nitroguanidine claim 21 , 3-nitro-1 claim 21 ,2 claim 21 ,4-triazol-5-one claim 21 , ammonium nitrate claim 21 , propanediol dinitrate claim 21 , hexamine claim 21 , 5-aminotetrazole claim 21 , methyltetrazole claim 21 , phenyltetrazole claim 21 , polyglycidylnitrate claim 21 , polyglycidylazide claim 21 , poly[3-nitratomethyl-3-methyloxitane] claim 21 , poly[3-azidomethyl-3-methyloxitane] claim 21 , poly[3 claim 21 ,3-bis(azidomethyl)oxitane] claim 21 , nitrated cyclodextrin polymers claim 21 , poly glycidylnitrate claim 21 , and combinations thereof.25. The propellant according to claim 21 , wherein the ...

Подробнее
Номер записи: 77
25-08-2016 дата публикации

LIQUID ELECTRICALLY INITIATED AND CONTROLLED GAS GENERATOR COMPOSITION

Номер: US20160245633A1
Автор: Manship Tim, McPherson Michael D.
Принадлежит:

A liquid electrically initiated and controlled composition comprising an oxidizer, soluble fuel additive(s), and other optional additives to enhance the chemical or ballistic properties, or a combination thereof is disclosed. The liquid composition further comprises stabilizers to enhance thermal stability, sequestrants to minimize deleterious effects of transition metal contaminants, and combustion enhancers maximizing efficiency. Buffers and heavy metal sequestering or complexing agents may be used in combination to achieve the highest degree of thermal stability. Additional ionic co-oxidizers may be added to the liquid composition to stabilize the liquid oxidizer and further depress freezing point. The liquid phase of matter allows flow via pipes or tubes from tanks, reservoirs, or other containers, through metering valves, followed by ignition or combustion modulation when stimulated by electrodes, statically or dynamically. 1. A method of controlling gas generation , the method comprising the steps of: i. oxidizer at 65-79 percent by weight;', 'ii. fuel additive at 15-30 percent by weight; and', 'iii. a stabilizer and sequestrant at 0.1-1.0 percent by weight;, 'a. providing an electrically controlled gas generator composition comprisingb. providing an electrode in contact with said gas generator composition; andc. applying an electrical voltage to said gas generator composition via said electrode.2. The method according to wherein the oxidizer is hydroxylammonium nitrate (HAN).3. The method according to wherein the fuel additive is selected from the group consisting of cyclic saccharides claim 1 , complex sugars/polysaccharides and polyhydroxyl compounds soluble in liquid HAN oxidizer matrix.4. The method according to wherein the stabilizer and sequestrant is 2 claim 1 ,2′-Bipyridyl.5. The method according to wherein said gas generator composition further comprises a buffer at 0.1-1.0 percent by weight.6. The method according to wherein the buffer is ammonium ...

Подробнее
Номер записи: 78
09-09-2021 дата публикации

Energetic Feedstock for Additive Manufacturing

Номер: US20210276931A1
Автор: Battaglia David M., Giletto Anthony, JR. Richard, McCulloch Billy, Mike Jared, Ortiz Kacey G., Reaves Kelley, Sanchez
Принадлежит:

The present invention comprises formulations and method for additive manufacturing comprising: a pot-stable photo-curable polymer; one or more fillers; and one or more additives, wherein the formulation cures into a polymer in six hours or less upon exposure to light. In certain examples, the additive manufacturing is a moldless method of additive manufacturing by preparing a formulation comprising: a pot-stable photo-curable polymer, one or more fillers, and one or more additives, and exposing the formulation to light in an amount that substantially cures the polymer in 6 hours or less. 1. A formulation for additive manufacturing comprising:a pot-stable photo-curable polymer;one or more fillers; andone or more additives, wherein the formulation cures into a polymer in six hours or less upon exposure to light.2. The formulation of claim 1 , wherein the one or more fillers are selected from at least one of: nitrotriazolone (NTO); 1 claim 1 ,3 claim 1 ,5-trinitro-1 claim 1 ,3 claim 1 ,5-triazinane (RDX); 1 claim 1 ,3 claim 1 ,5 claim 1 ,7-tetranitro-1 claim 1 ,3 claim 1 ,5 claim 1 ,7-tetrazocane (HMX); hexanitrohexaazaisowurtzitane (HNIW/CL-20); ethylene dinitramine (EDNA); aromatic nitramines such as trinitrophenylmethylnitramine (tetryl); nitroglycerine (NG); butanetriol trinitrate (BTTN); pentaerythritol tetranitrate (PETN); 2 claim 1 ,4-dinitroanisole (DNAN); trinitrotoluene (TNT); hexanitrostilbene (HNS); triaminotrinitrobenzene (TATB); 1 claim 1 ,1-diamino-2 claim 1 ,2-dinitroethene (DADNE/FOX-7); inorganic oxidizers such as ammonium nitrate (AN); ammonium perchlorate (AP); ammonium dinitramide (ADN); guanylurea dinitramide (GUDN/FOX-12); energetic alkali metal salts; energetic alkaline earth metal salts; and combinations thereof; orwherein the polymer has a backbone (linear or branched) that is selected from at least one of: polybutadiene, poly(butadiene-co-acrylonitrile), poly(azidomethyl ethylene oxide), poly(bis-azidomethyl oxetane), poly(nitratomethyl- ...

Подробнее
Номер записи: 79
20-11-2014 дата публикации

SMOKELESS PROPELLANT COMPOSITION CONTAINING BISMUTH-BASED COMPOUND AND METHOD OF PREPARING THE SAME

Номер: US20140338803A1
Автор: KO Seung-Won, MIN Byoung-Sun, RYOO Moon-Sam
Принадлежит:

A smokeless high-energy solid propellant composition, which contains a bismuth-based compound as a combustion improver and exhibits a low pressure exponent, and a method of preparing the same are provided. The propellant composition contains the bismuth-based compound, thus ensuring preparation processability of the propellant, especially pot-life, and thereby a propellant curing system can be changed thus ensuring reliability of the propellant preparation processability, unlike temperature control and curing inhibition catalyst addition methods published to date. This composition advantageously exhibits a low pressure exponent. 1. A smokeless propellant composition. comprising:based on a total weight of the composition,5.0˜15.0 wt % of a binder prepolymer, including a polymer having a hydroxyl group (—OH) at a chain terminal;10.0˜70.0 wt % of an oxidizer;1.0˜5.0 wt % of a combustion improver, including bismuth subsalicylate or bismuth salicylate:0.5˜3.0 wt % of a urethane curing agent, including isophorone diisocyanate (IPDI);0.1˜1.5 wt % of a cross-linking agent, including trimethylol propane (TMP); anda remainder of one or more additives selected from the group consisting of a propellant aging stabilizer, a plasticizer, a combustion stabilizer, a burning catalyst, a neutral polymeric binder and a urethane curing catalyst.2. The smokeless propellant composition of claim 1 , wherein claim 1 , as the binder prepolymer claim 1 , the polymer having a hydroxyl group (—OH) at the chain terminal is any one or a mixture of two or more selected from the group consisting of polyethylene glycol claim 1 , polydiethylene glycol and polycaprolactone.3. The smokeless propellant claim 1 , composition of claim 1 , wherein the oxidizer is any one or a mixture of two or more selected from the group consisting of hexanitro hexaazaisowurtzitane (HNIW) claim 1 , cyclotrimethylene trinitramine (RDX). cyclotetramethylene tetranitramine (HMX) and ammonium nitrate (AN).4. The smokeless ...

Подробнее
Номер записи: 80
13-09-2018 дата публикации

TUNGSTEN OXIDE PRIMER COMPOSITIONS

Номер: US20180258007A1
Автор: Jolicoeur Benoit, Palardy Marc
Принадлежит:

A primer composition is provided having a primary explosive and an oxidizer system containing at least one tungsten oxide or one tungstate compound. The oxidizer system can by non-hydroscopic and non-toxic. The primer can include reducing agents, sensitizers, binders and gas producing agents. The primer composition generally is applicable to any application or device that employs ignition of a propellant, a fuel, a relay charge, a delay charge, or a booster charge, including, but not limited to, air bag gas generator systems, signaling devices, ejection seats, small, medium or large arms ammunition primers, and the like. 2. A primer composition comprising:a. no more than about 70% by weight of a percussion-sensitive organic primary explosive compound;b. from about 15% to about 50% by weight of a oxidizer;c. from about 5% to about 30% by weight of a reducing agent;d. from 0% to about 30% by weight of a sensitizer;e. from 0% to about 25% by weight of a gas producing agent;f. from 0% to about 20% by weight of a friction agent;g. from 0% to about 10% by weight of a decoppering agent; andh. from 0% to about 20% by weight of a conductive component.3. The primer composition of claim 2 , wherein the percussion-sensitive organic primary explosive compound comprises a compound chosen from salts of trinitroresorcinol claim 2 , dinitrobenzofuroxan (DNBF) claim 2 , potassium dinitrobenzofuroxane (KDNBF) claim 2 , diazodinitrophenol (DDNP) claim 2 , lead azide claim 2 , silver azide claim 2 , salts of fulminate claim 2 , salts of hydrazoic acid claim 2 , salts of 5-nitrotetrazole claim 2 , tetrazene claim 2 , salts of tetrazene claim 2 , salts of amino guanidine claim 2 , salts of cyanamide claim 2 , nitrocyanamide salts claim 2 , nitrophenol salts claim 2 , nitrosophenol salts nitramine salts claim 2 , salts of metazonic acid claim 2 , oxalic salts claim 2 , peroxides claim 2 , acetylide salts claim 2 , nitrogen sulphide claim 2 , nitrogen selenide claim 2 , thiocyanic salts ...

Подробнее
Номер записи: 81
04-12-2014 дата публикации

NITROGLYCERINE-FREE MULTI-PERFORATED HIGH-PERFORMING PROPELLANT SYSTEM

Номер: US20140352566A1
Автор: Antenen Dominik, Schaedeli Ulrich, Vamos Attila
Принадлежит: Nitrochemie Wimmis AG

The propulsion system for the acceleration of projectiles is based on a multi-perforated grain propellant and is composed from nitrocellulose, a crystalline energy carrier of a nitramine type and an inert plasticizing additive. The number of perforations is 2 to 6, preferably 4. The propellant grains can have round or polygonic profiles, depending on the number of perforations. The preferred grain geometry is cubic with a rectangular grain profile. The nitramine compound contains a structural element of the general chemical structure formula R—N—NO2, where R is a residual group. The nitramine compound is present in a concentration in the range from 0 to 35% by mass, in particular in the range from 5 to 25% by mass. The nitramine compound is preferably RDX. The inert plasticizing additive is a water-insoluble polyoxo compound, if necessary in combination with a substance containing carboxyl groups. In layers near the surface an increased concentration can be present. The inert plasticizing additive is present in a concentration of 0 to 10% by mass, preferred 0 to 5% by mass. 117-. (canceled)18. Propelling system for acceleration of projectiles based on nitrocellulose , containing a crystalline energy carrier on nitramine base and an inert plasticizer , which is extruded through a dye with multiple perforations , with the number of perforations being between 2 to 6.19. Propelling system according with multiple perforations in axial direction claim 18 , where the number of perforations is 2 to 6.20. Propelling system according with multiple perforations in axial direction claim 18 , where the number of perforations is 3 to 5.21. Propelling system according to with multiple perforations in axial direction claim 18 , where the crystalline nitramine compound contains the structural element of the general chemical formula —NH—NO.22. Propelling system according to claim 18 , where the grain structure has a cubic or a cylindrical shape.23. Propelling system according to ...

Подробнее
Номер записи: 82
27-09-2018 дата публикации

SOLID ROCKET PROPELLANT WITH BLENDED TRIAZOLE PLASTICZER

Номер: US20180273439A1
Автор: Dawley Scott
Принадлежит:

A solid rocket propellant includes a blended plasticizer of at least two chemically different 3-nitro 1,2,4-triazoles. 1. A solid rocket propellant comprising a blended plasticizer of at least two chemically different 3-nitro 1 ,2 ,4-triazoles.2. The solid rocket propellant as recited in claim 1 , wherein the blended plasticizer has a molar ratio from about 1.1:0.9 to about 0.9:1.1 of the two chemically different 3-nitro 1 claim 1 ,2 claim 1 ,4-triazoles.3. The solid rocket propellant as recited in claim 1 , wherein the two chemically different 3-nitro 1 claim 1 ,2 claim 1 ,4-triazoles are independently selected from the group consisting of azidoethyl nitro-triazole claim 1 , azidopropyl nitro-triazole claim 1 , nitradoethyl nitro-triazole claim 1 , and nitradopropyl nitro-triazole.4. The solid rocket propellant as recited in claim 1 , wherein the two chemically different 3-nitro 1 claim 1 ,2 claim 1 ,4-triazoles are azidopropyl nitro-triazole and azidoethyl nitro-triazole.5. The solid rocket propellant as recited in claim 1 , wherein the two chemically different 3-nitro 1 claim 1 ,2 claim 1 ,4-triazoles are 1-azidoethyl 3-nitro 1 claim 1 ,2 claim 1 ,4-triazole and 1-azidopropyl 3-nitro 1 claim 1 ,2 claim 1 ,4-triazole.6. The solid rocket propellant as recited in claim 1 , wherein the blended plasticizer has a density from 1.51 grams per cubic centimeter to 1.63 grams per cubic centimeter.7. The solid rocket propellant as recited in claim 6 , wherein the blended plasticizer has a glass transition temperature of −62° C. to −75° C.8. The solid rocket propellant as recited in claim 1 , wherein the blended plasticizer has a thermal stability characterized by no weight loss up to 125° C. and 0.4% weight loss or less after 16 hours at 70° C.9. The solid rocket propellant as recited in claim 1 , further comprising a polymeric binder claim 1 , wherein the polymeric binder and blended plasticizer have a total combined weight claim 1 , and from 25% to 75% of the total ...

Подробнее
Номер записи: 83
25-12-2014 дата публикации

EXPLOSIVE ASSEMBLY AND METHOD

Номер: US20140373743A1
Автор: Mace Jonathan L., Tappan Bryce C.
Принадлежит: Los Alamos National Security, LLC

An explosive assembly includes a first explosive unit having a first longitudinal end portion having a first mechanical coupling feature, a second explosive unit having a second longitudinal end portion having a second mechanical coupling feature, and a tubular connector having a first end portion mechanically coupled to the first mechanical coupling feature and a second end portion mechanically coupled to the second mechanical coupling feature, such that the first explosive unit, the connector, and the second explosive unit are connected together end-to-end along a common longitudinal axis. Each explosive unit can contain a high explosive material and a detonator, and the connector can comprise a detonation control module electrically coupled to the detonators and configured to detonate the explosive units.

Подробнее
Номер записи: 84
04-10-2018 дата публикации

COMPOSITIONS WITH SOLID FUEL LOADED ON GRAPHENE FOAMS

Номер: US20180282240A1
Автор: Jain Shourya, QIAO LI
Принадлежит: PURDUE RESEARCH FOUNDATION

The present application generally relates to compositions with solid fuel loaded on graphene foams (GFs) for enhanced burn rates, and methods of making and using the compositions with solid fuel loaded on graphene foam. 1. A composition comprising a graphene foam and a solid fuel.2. The composition of claim 1 , wherein the graphene foam has an average porosity of 50.0-99.99%.3. The composition of claim 2 , wherein the graphene foam has an average porosity of 90.0-99.99%.4. The composition of claim 1 , wherein solid fuel loading of said solid fuel is 10-98%.5. The composition of claim 4 , wherein solid fuel loading of said solid fuel is 25-75%.6. The composition of claim 1 , wherein the solid fuel comprises a solid propellant.7. The composition of claim 6 , wherein the solid propellant is selected from the group consisting of nitrocellulose claim 6 , RDX (Cyclotrimethylenetrinitramine) claim 6 , HMX (Cyclotetramethylene tetranitramine) claim 6 , PETN (pentaerythritol tetranitrate) claim 6 , TNT (trinitrotoluene) claim 6 , TNA (trinitroaniline) claim 6 , TATB (triaminotrinitrobenzene) claim 6 , TNP (picric acid) claim 6 , TNB (1 claim 6 ,3 claim 6 ,5-trinitrobenzene) claim 6 , and any combination thereof.8. The composition of claim 6 , wherein the solid propellant comprises a double-based propellant claim 6 , wherein the double-based propellant is a mixture of nitrocellulose and one or more metal or metal oxide additives.9. The composition of claim 6 , wherein the solid propellant comprises a composite propellant claim 6 , wherein the composite propellant comprises an oxidizer selected from the group consisting of ammonium perchlorate claim 6 , ammonium nitrate claim 6 , potassium perchlorate claim 6 , potassium nitrate claim 6 , and any combination thereof; a metal fuel selected from the group consisting of boron claim 6 , ammonium claim 6 , magnesium claim 6 , and any oxide thereof; and a binder selected from the group consisting of HTPB (hydroxyl-terminated ...

Подробнее
Номер записи: 85
22-10-2015 дата публикации

LIQUID PROPELLANT

Номер: US20150299063A1
Автор: Iwai Keiichiro, Nozoe Katsuhiko
Принадлежит:

The present invention addresses the problem of providing a liquid propellant which has low toxicity, is easy to handle, and has excellent specific impulse. The present invention provides a liquid propellant characterized by comprising at least a dinitramide derivative represented by general formula (1) and an amine nitrate represented by general formula (2). 3. The liquid propellant of claim 1 , whereinthe total amount of the dinitramide derivative and the amine nitrate is 80 wt % or more.4. The liquid propellant of claim 1 , whereinthe amine nitrate is monoalkylamine nitrate.6. The liquid propellant of claim 5 , whereinthe amount of urea derivative is 5-20 wt %.7. The liquid propellant of claim 1 , whereinthe weight ratio of the dinitramide derivative to the amine nitrate is 4/6 to 7/3.8. The liquid propellant of claim 1 , whereinthe liquid propellant is substantially free of hydrazine.9. The liquid propellant of claim 1 , wherein{'sub': 1', '4', '6', '7, 'R-Rand R-Rare all hydrogen atoms.'}10. The liquid propellant of claim 3 , wherein{'sub': 1', '4', '6', '7, 'R-Rand R-Rare all hydrogen atoms'}11. The liquid propellant of claim 3 , whereinthe weight ratio of the dinitramide derivative to the amine nitrate is 4/6 to 7/3.12. The liquid propellant of claim 11 , wherein{'sub': 1', '4', '6', '7, 'R-Rand R-Rare all hydrogen atoms.'}13. The liquid propellant of claim 5 , wherein{'sub': 1', '4', '6', '7, 'the total amount of the dinitramide derivative and the amine nitrate is 80 wt % or more, and R-Rand R-Rare all hydrogen atoms.'}14. The liquid propellant of claim 13 , whereinthe liquid propellant is substantially free of hydrazine. The present disclosure relates to a liquid propellant, and more specifically, relates to a liquid propellant using a dinitramide derivative and an amine nitrate.In general, a liquid propellant is used as a propelling source for a flying object, such as a rocket, and the like. In the space rocket field, thrust can be controlled by suspending ...

Подробнее
Номер записи: 86
11-10-2018 дата публикации

Downhole Perforating System

Номер: US20180291715A1
Автор: James Marshall Barker
Принадлежит: Halliburton Energy Services Inc

Systems and methods for downhole perforation. A method may comprise lowering a downhole perforating system into a casing of a wellbore, wherein the downhole perforating system may comprise 1,1-diamino 2,2-dinitroethylene; detonating the 1,1-diamino 2,2-dinitroethylene; and perforating the casing. A downhole perforating system may comprise a firing head subassembly, a gun subassembly and an explosive component comprising 1,1-diamino 2,2-dinitroethylene.

Подробнее
Номер записи: 87
29-10-2015 дата публикации

GAS GENERATING COMPOSITION AND USE THEREOF IN PEDESTRIAN PROTECTION DEVICES

Номер: US20150307410A1
Автор: Friedrich Jörg, Hofmann Achim, Rodig Karl-Heinz, Zeuner Siegfried
Принадлежит:

The invention relates to gas generating compositions for use in safety devices for vehicles. In particular, the invention relates to said compositions based on guanidine nitrate used in pedestrian protection devices. The composition substantially comprises 75 to 98% by weight of guanidine nitrate as fuel and 2 to 25% by weight of a burn accelerator selected from the group of the transition metal compounds, the metal nitrates, metal chlorates, metal perchlorates, ammonium perchlorate and mixtures thereof, wherein the transition metal compounds are selected from the compounds of the transition metals Ti, Cr, Mn, Fe, Cu, Zn, Zr and Mo and wherein the gas generating composition exhibits a burn rate of from 3 to 17 mm/s at 20 MPa. 1. A gas actuated pedestrian protection apparatus for protecting a pedestrian located outside an occupant compartment of a vehicle , comprising:a gas generating composition having a gas yield of at least 85%, the gas generating composition comprising 75 to 98 % by weight of guanidine nitrate as fuel and 2 to 25% by weight of a burn accelerator selected from the group of the transition metal compounds, the metal nitrates, metal chlorates, metal perchlorates, ammonium perchlorate and mixtures thereof;wherein the transition metal compounds are selected from the compounds of the transition metals Ti, Cr, Mn, Fe, Cu, Zn, Zr and Mo;wherein the gas generating composition has a burn rate of 3 to 17 mm/s at 20 MPa;wherein the gas generating composition exhibits an oxygen balance of −10% to −27%; andwherein the gas generating composition exhibits a combustion temperature of not more than 1650 K.2. The pedestrian protection apparatus recited in claim 1 , further comprising:an inflator in which the gas generating composition is stored; and a pedestrian protection device adapted to be activated by gas produced by the gas generating composition.3. The pedestrian protection apparatus recited in claim 1 , wherein the oxygen balance is within the range of from ...

Подробнее
Номер записи: 88
19-10-2017 дата публикации

ADJUSTABLE STAND FOR HOLDING A LIQUID EXPLOSIVE

Номер: US20170299348A1
Автор: Patel Divyakant L.
Принадлежит:

A low-cost, reliable and easy to use kit for neutralizing surface exposed landmine and unexploded ordnance for humanitarian demining is based on a liquid fuel and a solid/soluble fuel. Both fuels are premeasured in separate, sealed containers. The addition of a small quantity of solid/soluble fuel into the liquid creates an explosive. The resulting mixture is capable of detonating with a standard No. 8 blasting cap. The solid/soluble fuel can be in the form of a powder, tablet, or its saturated solution in water. The solid/soluble fuel is hexamethylenetetramine. The liquid fuel, nitromethane, is provided in premeasured quantities. User is provided instructions for choosing the appropriate quantity of liquid fuel, the corresponding solid/soluble fuel required, the method of mixing, placement and detonation of the kits. Also disclosed is a simple wooden stand to hold the bottle of explosive in place. A special fuel, liquid 2-ethylhexylnitrate, is provided to desensitize the mixed and sensitized explosive. 1. An adjustable stand for holding a bottle of liquid explosive having a molded socket to neutralize above ground or surface-laid landmines and unexploded ordnance , comprising:an elongated stake 45 cm long having dowel holes at regular intervals along its length;a dowel 20 cm long having an end for fitting to the molded socket and secure the bottle, and another end to insert the dowel through a dowel hole of the elongated stake, wherein said dowel has regularly spaced pin holes along its length; andpins to insert into selected pin holes to secure the dowel at an extension through said dowel hole of the elongated stake, said pin holes in the dowel allowing for adjustment of a horizontal distance between the elongated stake and the bottle containing the liquid explosive positioned near a neutralization target.2. The adjustable stand according to claim 1 , wherein said adjustment of a horizontal distance extends the bottle containing the liquid explosive over a mine as ...

Подробнее
Номер записи: 89
18-10-2018 дата публикации

METHOD OF MANUFACTURING PRESS POLYMER-BONDED EXPLOSIVE USING POLYMER EMULSION AND PRESS POLYMER-BONDED EXPLOSIVE MANUFACTURED USING THE SAME

Номер: US20180297909A1
Автор: HAN Min-Gu, KIM Hyung-Suk, LEE Keun-Deuk, LEE Ki-Bong, PARK Ha-Neul
Принадлежит:

A method of manufacturing a press polymer-bonded explosive, in which a polymer emulsion is used to maximize the efficiency of a process, and a press polymer-bonded explosive manufactured using the same. The method includes a polymer-emulsion-manufacturing step of mixing a monomer of a polymer binder and an emulsifier with a process water and then adding an initiator to thus manufacture a polymer emulsion using a polymerization reaction, a slurry-manufacturing step of mixing a raw material including an explosive and an emulsion breaker with fresh process water to thus manufacture a slurry, an agglomerated-particle-forming step of adding the manufactured polymer emulsion to the manufactured slurry to thus form agglomerated particles in which a surface of the raw material is coated with the polymer binder, and an agglomerated-particle-obtaining step of collecting the agglomerated particles using filtration and drying the collected agglomerated particles. 1. A method of manufacturing a press polymer-bonded explosive using a polymer emulsion , the method comprising:a polymer-emulsion-manufacturing step of mixing a monomer of a polymer binder and an emulsifier with a process water and then adding an initiator to thus manufacture a polymer emulsion using a polymerization reaction;a slurry-manufacturing step of mixing a raw material including an explosive and an emulsion breaker with fresh process water to thus manufacture a slurry;an agglomerated-particle-forming step of adding the manufactured polymer emulsion to the manufactured slurry to thus form agglomerated particles in which a surface of the raw material is coated with the polymer binder; andan agglomerated-particle-obtaining step of collecting the agglomerated particles using filtration and drying the collected agglomerated particles.2. The method of claim 1 , wherein claim 1 , during the polymer-emulsion-manufacturing step claim 1 , the monomer forms the polymer binder of one or more among a styrene butadiene ...

Подробнее
Номер записи: 90
12-11-2015 дата публикации

POWDER FOR ACCELERATING PROJECTILES FOR MORTAR SYSTEMS

Номер: US20150321969A1
Автор: Antenen Dominik, GFELLER Vincent, Schaedeli Ulrich, Vogelsanger Beat
Принадлежит: Nitrochemie Wimmis AG

Powder as propulsion powder or ignition powder for accelerating projectiles for mortar systems is based on nitrocellulose and comprises a crystalline, nitramine-based energetic material at 1-30 wt % and an inorganic muzzle flash suppressor at 0.1-10 wt %. The powder is in the form of grains, and the grains on their surface optionally have an inert plasticizing additive at not more than 1 wt %. The crystalline, nitramine-based energetic material is preferably at least one compound from the group encompassing hexogen (RDX) and octogen (HMX). The inorganic muzzle flash suppressor preferably comprises at least one compound from the group encompassing potassium nitrate and potassium sulfate. 112-. (canceled)13. A powder , as propulsion powder or ignition powder for accelerating projectiles for mortar systems , which is based on nitrocellulose and comprises a crystalline , nitramine-based energetic material at 1-30 wt % and an inorganic muzzle flash suppressor , the powder being present in the form of grains , wherein the inorganic muzzle flash suppressor is present at 0.1-10 wt %.14. The powder as claimed in claim 13 , wherein the grains have an inert plasticizing additive on their surface at a concentration of not more than 1 wt %.15. The powder as claimed in claim 14 , wherein the inert plasticizing additive is present at 0.01-1 wt %.16. The powder as claimed in claim 13 , wherein the crystalline claim 13 , nitramine-based energetic material comprises at least one compound from the group encompassing hexogen (RDX) and octogen (HMX).17. The powder as claimed in claim 13 , wherein the crystalline energetic material is present at 5-25 wt %.18. The powder as claimed in claim 13 , wherein the inorganic muzzle flash suppressor comprises at least one compound from the group encompassing potassium nitrate and potassium sulfate.19. The powder as claimed in claim 13 , wherein the inorganic muzzle flash suppressor is present at 0.1-5 wt %.20. The powder as claimed claim 14 , ...

Подробнее
Номер записи: 91
09-11-2017 дата публикации

A composite pyrotechnic product with adn and rdx charges in a gap type binder, and preparation thereof

Номер: US20170320787A1
Автор: Fabienne Morin, Martine GOLFIER, Yves Longevialle
Принадлежит: AIRBUS SAFRAN LAUNCHERS SAS

A composite pyrotechnic product containing energetic charges in a plasticized binder includes a cured energetic polymer and at least one energetic plasticizer, wherein: the cured energetic polymer consists of a glycidyl azide polymer (GAP) having a number average molecular weight (Mn) lying in the range 700 g/mol to 3000 g/mol and cured via its hydroxyl terminal functions with at least one curing agent of polyisocyanate type; and the energetic charges present at a content in the range 50% to 70% by weight consisting, for at least 95% of their weight, of large crystals of ammonium dinitramide (ADN) and of small crystals of hexogen (RDX): the large crystals of ammonium dinitramide (ADN) being present at a content in the range 8% to 65% by weight; and the small crystals of hexogen (RDX) being present at a content in the range 5% to 55% by weight.

Подробнее
Номер записи: 92
01-10-2020 дата публикации

GAS GENERANT COMPOSITIONS COMPRISING MELAMINE OXALATE FOR USE IN AUTOMOTIVE RESTRAINT DEVICES

Номер: US20200308077A1
Автор: Lund Gary K., MENDENHALL Ivan V.
Принадлежит: Autoliv ASP, Inc.

A gas generant composition for passive inflatable restraint systems (e.g., airbags) for automobiles is provided that comprises a melamine oxalate compound. The gas generant may be a cool burning gas generant composition that comprises a melamine oxalate compound, a co-fuel, such as guanidine nitrate, and an oxidizer, such as basic copper nitrate. The gas generant composition has advantageous combustion properties, including a maximum flame temperature at combustion (T) of ≤about 1700 K (1,427° C.), a linear burn rate of ≥about 18 mm per second at a pressure of about 10 megapascals (MPa), a gas yield of the gas generant composition of ≥about 5.7 moles/100 cm, and a linear burn rate pressure exponent of ≤about 0.35. 1. A gas generant composition for an automotive inflatable restraint system comprising a melamine oxalate compound.2. The gas generant composition of claim 1 , wherein the melamine oxalate compound comprises a molar ratio of melamine to oxalic acid ranging from about 1:1 to about 2:3.3. The gas generant composition of claim 1 , wherein the melamine oxalate compound is selected from the group consisting of: melamine monoxalate claim 1 , dimelamine trioxalate claim 1 , and combinations thereof.4. The gas generant composition of having a linear burn rate of greater than or equal to about 18 mm per second at a pressure of about 10 megapascals (MPa).5. The gas generant composition of having a linear burn rate pressure exponent of less than or equal to about 0.35.6. The gas generant composition of having a maximum flame temperature at combustion (T) of less than or equal to about 1700 K (1 claim 1 ,427° C.).7. The gas generant composition of having a maximum flame temperature at combustion (T) of greater than or equal to about 1400 K (1 claim 1 ,127° C.) to less than or equal to about 1600 K (1 claim 1 ,327° C.).8. The gas generant composition of having a gas yield of the gas generant of greater than or equal to about 5.7 moles/100 cm.9. A cool burning gas ...

Подробнее
Номер записи: 93
01-10-2020 дата публикации

GAS GENERANT COMPOSITIONS COMPRISING A THERMALLY STABLE CRYSTALLINE HYDRATE COMPOUND FOR COOLING COMBUSTION FLAME TEMPERATURE AND IMPROVING BALLISTIC PERFORMANCE

Номер: US20200308078A1
Автор: Lund Gary K., MENDENHALL Ivan V.
Принадлежит: Autoliv ASP, Inc.

A gas generant composition for an automotive inflatable restraint system is provided with a fuel having a thermally stable crystalline hydrate compound with a water release temperature of greater than or equal to about 140° C. The thermally stable crystalline hydrate compound serves as a ballistic modifier, which can serve to increase burn rate, reduce pressure sensitivity, reduce temperature sensitivity, and the like. The thermally stable crystalline hydrate compound may be selected from the group consisting of: a copper phthalate hydrate, copper pyromellitate dihydrate, copper fumarate dihydrate, copper (3-nitrophthalate) dihydrate, and combinations thereof. 1. A gas generant composition for an automotive inflatable restraint system comprising a fuel having a thermally stable crystalline hydrate compound with a water release temperature of greater than or equal to about 140° C. measured by differential scanning calorimetry (DSC) with a heating rate of 5° C./minute with a tolerance of ±0.1° C./minute.2. The gas generant composition of claim 1 , wherein the fuel having a thermally stable crystalline hydrate compound is selected from the group consisting of: a copper phthalate hydrate claim 1 , copper pyromellitate dihydrate claim 1 , copper fumarate dihydrate claim 1 , copper (3-nitrophthalate) dihydrate claim 1 , and combinations thereof.3. The gas generant composition of having a sensitivity to temperature coefficient (σ) of less than or equal to about 0.2%/° C.4. The gas generant composition of having a burning rate variability πof less than or equal to about 0.25%/° C.5. The gas generant composition of having a linear burn rate of greater than or equal to about 18 mm per second at a pressure of about 21 megapascals (MPa) claim 1 , a linear burn rate pressure exponent of less than or equal to about 0.35 claim 1 , a gas yield of greater than or equal to about 5.7 moles/100 cm claim 1 , and a maximum flame temperature at combustion (T) of less than or equal to ...

Подробнее
Номер записи: 94
23-11-2017 дата публикации

Gas generating compositions and methods of making and using thereof

Номер: US20170334802A1
Автор: Deborah Hordos, Scott Rambow, Sudhakar Ganta
Принадлежит: TK HOLDINGS INC

Disclosed are gas generating compositions and methods of making and used them.

Подробнее
Номер записи: 95
15-10-2020 дата публикации

LOW-SMOKE PYROTECHNIC COMPOSITION

Номер: US20200325083A1
Автор: Pattee Seth, Salmi Lyle
Принадлежит:

A low-smoke, pyrotechnic composition is provided. The composition may include Ceric Ammonium Nitrate as an oxidizer, a fuel source, stabilizer, and a binder. The use of Ceric Ammonium Nitrate as an oxidizing agent within the composition can result in reducing the amount of smoke generated during combustion of the composition, which may be beneficial for certain pyrotechnic applications. In certain constructions, the composition may include Ceric Ammonium Nitrate as an oxidizer, Nitrocellulose and Titanium as fuel sources, Cyanoguanidine as a stabilizer, Cupric Oxide as a burn rate catalyst, and any suitable binder agent. The amount of Ceric Ammonium Nitrate by percent weight of the composition may range between 20-80 percent, 30-40 percent, or 30.0-37.5 percent. In certain configurations, the amount of Ceric Ammonium Nitrate may be about 36.7 percent by weight. 1. A low-smoke , pyrotechnic composition comprising:an oxidizer comprising Ceric Ammonium Nitrate;a fuel source;a stabilizer; anda binder.2. The low-smoke claim 1 , pyrotechnic composition of claim 1 , wherein said fuel source comprises at least one of Nitrocellulose claim 1 , Hexamine claim 1 , Cellulose Nitrate claim 1 , Nitroguanidine claim 1 , Red Gum claim 1 , Titanium claim 1 , Aluminum claim 1 , Magnesium claim 1 , Boron claim 1 , Charcoal claim 1 , Silicon claim 1 , and a transition metal.3. The low-smoke claim 1 , pyrotechnic composition of claim 1 , wherein said stabilizer comprises at least one of Cyanoguanidine claim 1 , Dicyanodiamide claim 1 , 2-cyanoguanidine claim 1 , Guanidine-1-carbonitrile claim 1 , Diphenylamine claim 1 , Nitrodiphenylamine claim 1 , Akardite claim 1 , Ethyl Centralite claim 1 , Methyl Centralite claim 1 , and Carbonate salts.4. The low-smoke claim 1 , pyrotechnic composition of claim 1 , wherein said binder comprises at least one of Ethylcellulose claim 1 , Methylcellulose claim 1 , Hydroxypropyl methylcellulose claim 1 , Hydroxypropyl ethylcellulose polyvinyl alcohol ...

Подробнее
Номер записи: 96
07-12-2017 дата публикации

DETONATION TRANSFER ASSEMBLY

Номер: US20170350681A1
Автор: Campbell Matthew, Interiano Luis G.
Принадлежит: GOODRICH CORPORATION

A detonation transfer assembly is disclosed. A detonation transfer assembly may comprise an external casing comprising an input end and an output end axially opposite the input end, an explosive column spanning axially inside the external casing, a primary explosive disposed within the explosive column, and a secondary explosive disposed within the explosive column axially between the primary explosive and the output end. The primary explosive and/or the secondary explosive may comprise a thermally insensitive initiation material that resists at least one of detonation or thermal degradation in response to temperature increase rate of 3.3° C. per hour over at least twenty hours. 1. A detonation transfer assembly , comprising;an external casing comprising an input end and an output end axially opposite the input end;an explosive column spanning axially inside the external casing;a primary explosive disposed within the explosive column; and 'wherein, at least one of the primary explosive or the secondary explosive comprises a thermally insensitive initiation material that resists at least one of detonation or thermal degradation in response to a temperature increase rate of 3.3° C. per hour over at least twenty hours.', 'a secondary explosive disposed within the explosive column axially between the primary explosive and the output end,'}2. The detonation transfer assembly of claim 1 , wherein the primary explosive comprises lead azide.3. The detonation transfer assembly of claim 1 , wherein the primary explosive comprises copper(I) 5-nitrotetrazolate.4. The detonation transfer assembly of claim 1 , wherein the secondary explosive comprises hexanitrostilbene.5. The detonation transfer assembly of claim 1 , wherein the secondary explosive comprises nonanitroterphenyl.6. The detonation transfer assembly of claim 1 , wherein the primary explosive comprises the same thermally insensitive initiation material as the secondary explosive.7. The detonation transfer assembly of ...

Подробнее
Номер записи: 97
06-12-2018 дата публикации

THIN COMPOSITE EXPLOSIVE PRODUCTS AND PREPARATION THEREOF

Номер: US20180346393A1
Автор: RAGON Philippe, WOIRIN Karol
Принадлежит:

A composite explosive product, wherein its composition expressed as percentages by weight includes 85% to 92% of organic energetic charges; the organic energetic charges a) being selected from charges of octogen (HMX), hexogen (RDX), hexanitrohexaazaisowurtzitane (CL20), penthrite (PETN), and mixtures thereof, and b) presenting a grain size distribution with a value for D90 less than 15 μm and a value for D50 less than or equal to 5 μm; and 7% to 12% of a polymer gum selected from polyurethane-polyester gums, polyurethane-polyether gums, and mixtures thereof, of number average molecular weight greater than 20,000 g/mol and of Mooney viscosity lying in the range 20 to 70 ML (5+4) at 100° C.; and wherein the composite explosive product has a thickness lying in the range 0.4 mm to 5 mm. 1. A composite explosive product , wherein: [{'sub': 90', '50, '+85% to 92% of organic energetic charges; said organic energetic charges a) being selected from charges of octogen (HMX), hexogen (RDX), hexanitrohexaazaisowurtzitane (CL20), penthrite (PETN), and mixtures thereof, and b) presenting a grain size distribution with a value for Dless than 15 μm and a value for Dless than or equal to 5 μm; and'}, '+7% to 12% of a polymer gum selected from polyurethane-polyester gums, polyurethane-polyether gums, and mixtures thereof, of number average molecular weight greater than 20,000 g/mol and of Mooney viscosity lying in the range 20 to 70 ML (5+4) at 100° C.; and, 'its composition expressed as percentages by weight compriseswherein the composite explosive product presents a thickness lying in the range 0.4 mm to 5 mm.2. The composite explosive product according to claim 1 , wherein said energetic charges are selected from charges of hexogen (RDX) claim 1 , of hexanitrohexaazaisowurtzitane (CL20) claim 1 , and mixtures thereof claim 1 ,3. The composite explosive product according to claim 1 , wherein said polymer gum is a polyurethane-polyester gum or a polyurethane-polyether gum.4. The ...

Подробнее
Номер записи: 98
28-12-2017 дата публикации

EXPLOSIVE MICROPOROUS COORDINATION POLYMERS

Номер: US20170369387A1
Автор: Matzger Adam J., McDonald Kyle
Принадлежит:

Employing non-energetic MCPs as hosts (fuel) for the adsorption of oxidant molecules enables the intimate and molecular scale mixing of fuel and oxidizer on a level that is not commonly achievable in traditional energetic mixtures. The adsorption of the oxidants into MOF-5 resulted in increased heat released upon decomposition, which shows potential for utilization of this method as a platform to develop high-performance primary energetic materials. 1. An energetic composition comprising:a first component comprising a nanostructured sorbent, that is a crystalline porous coordination polymer, consisting of at least one metal node or cluster which is coordinated to an organic linker forming at least one porous framework;a second component comprising an oxidant infiltrated into the pores of the sorbent,wherein the second component is present in an amount such that the oxidant is at least 10% of the weight of the energetic composition;a combination of nanostructured sorbent (fuel) and oxidant resulting in a material which is more sensitive to detonation by impact, friction, spark, or thermal stimulus than either of the components.2. The composition according to where the ratio of oxidant to nanostructured sorbent is such that the value of the oxygen balance of the composition is closer to zero than the value of the oxygen balance of either of the components.3. The composition according to where the oxygen balance is less than 35% and more than −35%.4. The composition according to where the oxygen balance is less than 10% and more than −10%.5. The composition according to where the impact sensitivity is greater than pentaerythritol tetranitrate (PETN).6. The composition according to where the oxidizer is a liquid.7. The composition according to where the oxidizer is a solid.8. The system according to wherein said oxidant comprises tetranitromethane or hexanitroethane.9. A method for producing the composition according to comprising infiltrating the oxidant by diffusion ...

Подробнее
Номер записи: 99
12-11-2020 дата публикации

DBX-1, METHOD OF MANUFACTURE, AND DEVICE INCLUDING THE DBX-1

Номер: US20200354842A1
Автор: Kellett Richard
Принадлежит:

A composition including copper(I) 5-nitrotetrazolate, wherein the composition has a carbon content of less than 7 weight percent, based on a total weight of the copper(I) 5-nitrotetrazolate. 1. A composition comprising:copper(I) 5-nitrotetrazolate, wherein the composition has a carbon content of less than 7 weight percent, based on a total weight of the copper(I) 5-nitrotetrazolate.2. The composition of claim 1 , wherein the composition has a content of ascorbate of less than 0.1 weight percent claim 1 , based on a total weight of the copper(I) 5-nitrotetrazolate.3. A method of manufacturing copper(I) 5-nitrotetrazolate claim 1 , the method comprising:{'sup': 2+', '2−, 'sub': '4', 'providing an electrochemical cell having a working electrode and a counter electrode, and an aqueous electrolyte disposed therein, wherein the aqueous electrolyte comprises Cu, SO, and a Group 17 anion;'}{'sup': 2+', '+, 'electrochemically reducing the Cu to form a Cu species; and'}{'sup': '+', 'contacting the Cu species with 5-nitrotetrazolate to form copper(I) 5-nitrotetrazolate.'}4. The method of claim 3 , wherein the electrolyte comprises CuSO claim 3 , NaCl claim 3 , and NaSO.5. The method of claim 3 , wherein the reducing comprises reducing at a potential greater than −0.2 volts versus Ag/AgCl.6. The method of claim 3 , wherein the Group 17 anion is Cl claim 3 , and the Cu species is CuCl.7. The method of claim 3 , wherein the reducing comprises forming an aqueous stream comprising the Cu species claim 3 , and the contacting comprises contacting the aqueous stream comprising the Cu species with an aqueous stream comprising the 5-nitrotetrazolate to form the copper(I) 5-nitrotetrazolate.8. The method of claim 3 , further comprising isolating the copper(I) 5-nitrotetrazolate.9. A method of manufacturing copper(I) 5-nitrotetrazolate claim 3 , the method comprising:{'sup': 0', '2−, 'sub': '4', 'providing an electrochemical cell having a working electrode comprising Cuand a counter ...

Подробнее
Номер записи: 100