СПОСОБ ПОЛУЧЕНИЯ СЫПУЧИХ МАТЕРИАЛОВ

Изобретение относится к области строительства и может быть использовано для получения теплоизоляционных сыпучих материалов, преимущественно в сельской местности. Способ включает измельчение растительных остатков, смешивая их с клеящим составом и химическими добавками-ингибиторами, их окисление и последующее прессование с формированием гранул и брикетов, при этом в качестве клеящего состава берут карбамидоформальдегидную смолу и кислотный отвердитель, а в качестве добавок - смесь извести с медным купоросом. При этом в качестве кислотного отвердителя берут соединение сульфатного типа, в качестве КФ-смолы - крепитель М-3, который добавляют в известь. 5 з.п.ф-лы, 2 табл.

РАЗРАБОТАННАЯ ВЯЖУЩАЯ КОМПОЗИЦИЯ ДЛЯ БЕТОНА

Изобретение относится к вяжущей композиции для бетона для связывания заполнителя для бетона с получением бетонного материала. Разработанная вяжущая композиция содержит по меньшей мере одно первичное вяжущее вещество в соотношении от 10 до 60 процентов по массе, и по меньшей мере одно вторичное вяжущее вещество в соотношении от 40 до 90 процентов по массе. При этом первичное вяжущее вещество выбрано из группы первичных материалов, обладающих способностью к самопроизвольной гидратации. Вторичное вяжущее вещество выбрано из группы вторичных материалов, обладающих способностью к индуцируемой гидратации. Первичное вяжущее вещество содержит частицы, модовый средний диаметр которых составляет от 1/4 до 1/25 относительно модового среднего диаметра самых мелких частиц мелкодисперсного заполнителя, при этом модовый средний диаметр самых мелких частиц мелкодисперсного заполнителя относится к модовому среднему диаметру частиц самых мелких мелкодисперсных частиц, присутствующих в заполнителе для бетона ...

СОСТАВ ЛЕГКОБЕТОННОЙ СМЕСИ

Состав легкобетонной смеси, в котором с целью расширения области использования промотходов и снижения плотности бетонов, используют безобжиговый капсулированный заполнитель, содержащий осадок станции аэрации с целью его утилизации и снижения плотности бетона. Поставленная техническая задача решается введением в состав при изготовлении безобжигового заполнителя добавки осадка станции, содержащего соединения тяжелых металлов в количестве 40 - 60% от массы минеральных компонентов капсулированного заполнителя. Полученный таким образом заполнитель используется при приготовлении бетона следующего состава, мас..%: портландцемент - 20 - 25, песок - 40 - 50, заполнитель с применением осадка станции аэрации, содержащий медь, цинк, свинец, кадмий, хром, ртуть, сурьму в сочетании с сухой золой ТЭЦ, молотой известью и гипсом в соотношении 0,5 : 0,3 : 0,15 : 0,05 соответственно.

БИТУМНЫЕ КОМПОЗИЦИИ, СПОСОБЫ ПОЛУЧЕНИЯ И ИХ ПРИМЕНЕНИЕ

Группа изобретений относится к битумной композиции и способу ее получения, а также к применению гидроксида XOH с X = Na или K в указанной композиции, к применению битумной композиции в качестве вяжущего для получения водонепроницаемого покрытия, мембраны или герметизирующего слоя и для приготовления поверхностного покрытия, горячей смеси, холодной смеси, холодной заливки, гравийной эмульсии или уплотнённого слоя, к способу приготовления смеси вяжущего, к смеси вяжущего, к асфальту и способу его приготовления. Битумная композиция включает смесь битумной основы, составляющей по меньшей мере 50 мас.% от общей массы композиции, и гидроксида XOH с X = Na или K, который составляет 0,001-1 мас.% в расчете на массу композиции. Причем указанная битумная основа имеет внутреннюю стабильность S 1-2,5 и/или уровень пептизации Sa 0-0,6, причём указанные значения S и Sa измерены в соответствии со стандартом ASTM D 7157-12. Способ включает следующие стадии: а) приготовление доступной исходной битумной ...

СМЕСИ ФУНГИЦИДОВ

Изобретение относится к средствам фунгицидной защиты строительных материалов. Смесь фунгицидов содержит тиабендазол (TBZ) и пириметанил (PYM) при массовом соотношении от 20:1 до 1.1:1, при этом количество TBZ и PYM на основе общего количества биоцидных активных веществ составляет более 99 масс. % и где оставшиеся от общего количества биоцидных активных веществ вещества представляют собой консервант для смеси фунгицидов или состав консерванта для хранения в таре. Смесь фунгицидов представляет собой водную суспензию, содержащую биоцидные активные вещества в количестве от 1 до 60 масс. %. Средний размер частиц биоцидных активных веществ, предпочтительно TBZ и PYM, составляет менее 100 мкм. Смесь фунгицидов включают в древесноволокнистую плиту, содержащую гипсовое ядро и лицевой слой, при этом смесь включают в гипсовое ядро и/или лицевой слой. Содержание в древесноволокнистой плите общего количества биоцидных активных веществ, включая TBZ и PYM, составляет от 10 частей на миллион до 3000 частей ...

Nassspritzverfahren zur Herstellung von Spritzbeton

The invention relates to a wet spraying method for producing sprayed concrete using modified and/or chemically derivatized, natural or biotechnologically produced starch, optionally in mixture with each other and with additives known as building material admixtures as an addition, wherein the addition is introduced into a compressed-air conveying flow that transports the aqueous concrete, in the area of a nozzle that outputs the sprayed concrete.

Use of mortar of cement and sand

Verwendung von Mörtel aus Zement und Sand zur Ausgestaltung des von Wasser kontaktierten Innenbereiches von biologisch aufbereitbaren Gewässern, insbesondere von Schwimmteichen, Naturpools oder Fischbecken. Als Zement wird ein reiner Kalziumaluminat-Zement und als Sand Dolomitsand und/oder Quarzsand verwendet, wobei der Kalziumaluminat-Zement jeweils höchstens 2 Gew.% an Sulfaten, Phosphaten und Silikaten enthält und sein Anteil im Trockenmörtel 5 Gew.% bis 30 Gew.% beträgt ...

Verfahren zur Herstellung einer Schutzbeschichtung auf Betonoberflächen, insbesondere auf Tunnelwänden

Die Erfindung betrifft ein Verfahren zur Herstellung einer Polyurethan- Schutzbeschichtung auf Betonoberflächen, insbesondere auf Tunnelwänden, durch kontrolliertes Aufspritzen und Aushärten einer chemisch reaktiven 2- Komponenten-Mischung. Das Verfahren umfasst unter anderem Schritte zur Bereitstellung von zwei flüssigen bzw. fließfähigen und lösungsmittelfreien Komponenten, welche jeweils Molekül mit 2 oder mehr chemisch reaktiven Funktionalitäten umfassen. Die beiden Komponenten werden vor dem Aufbringen auf die zu beschichtende Oberfläche erhitzt, und in einer Mischeinheit kontrolliert abgemischt. Die Auftragung auf die zu beschichtende Oberfläche erfolgt durch Aufspritzen der homogenen 2-Komponenten-Mischung. Die resultierende Schutzbeschichtung ist sofort regenbelastbar, ist leicht zu reinigen, und weist zahlreiche verbesserte Eigenschaften auf, welche den Anforderungen an Schutzbeschichtungen, insbesondere für die Anwendung im Inneren eines Verkehrstunnels genügen, bzw. diese Anforderungen ...

Multilayer insulating construction system for a building - manufacturing process thereof - dry composition of use in this manufacture

The aim of the invention is to provide a novel system for constructing buildings, having the feature of being multilayer, insulating, ductile and light. To this end, the invention relates to a multilayer insulating construction system for a building, characterized in that (a) this system comprises at least one wall combined with at least one layer of hardened insulation, (b) the maximum thickness of the layer of hardened insulation is between 1 and 60 cm, (c) the hardened insulation has a bulk density (BD) in kg/m ...

Quick-drying building material composition based on a mineral hybrid binder

The invention relates to a quick-drying gypsum composition, in particular for use as gypsum filling compound and for the production of floorcoverings, wherein the gypsum composition contains 20 to 70% of a mixture of calcium aluminate and calcium sulfate hemihydrate and/or anhydrite and/or calcium sulfate dihydrate as hydraulic binders and 30 to 80% by weight of fillers, and wherein the weight ratio of calcium aluminate to calcium sulfate hemihydrate and/or anhydrite and/or calcium sulfate dihydrate binders lies in the range from 1:1 to 1:5. Gypsum compositions of this type are characterized by a particularly beneficial shrinkage behavior, such that stresses and cracks in the dried composition can be avoided. At the same time, the gypsum compositions dry to readiness for covering in a time that is compatible with conventional cement filling compounds.

Composition for a pasty filler material, pasty filler, and method for producing a pasty filler material

The invention relates to a composition for a pasty filler material. comprising a binding agent, fillers, and additives, wherein the composition further comprises an additive consisting of a blend of liquid hydrocarbons, modified fatty acid derivatives, nonionic emulsifiers, and silicone oil; such a defoaming additive is e.g. known under the brandname Agitan 218. The invention further relates to a corresponding pasty filler material and a method for producing a pasty filler material.

Improvements relating to concrete

Concrete is formed by providing a wet layer of a first concrete 4, applying a second wet layer 6 of concrete on the first layer 4 of wet concrete and setting the layers 4 and 6 to provide a composite concrete structure, wherein at least one of the layers comprises, AACM (Alkali-Activated Cementitious Material).An ionic bond 2 is formed between the two layers. The AACM layer may comprise a reinforcement structure and cathodic protection.

Alkali-activated aluminosilicate binder with superior freeze-thaw stability

We herewith propose the use of at least one nitrogen-containing organic compound and/or a salt thereof in combination with at least one aromatic carboxylic acid and/or a salt thereof for improving the freeze-thaw stability of an alkali-activated aluminosilicate binder, and a preferred alkali-activated aluminosilicate binder comprising -caprolactam and sodium benzoate as freeze-thaw stabilizers.

Hydraulic composition

The invention relates to a composition comprising, based on the dry weight of said composition,(A) 10 to 70 % by weight of one or more hydraulic binder and (B) 20 to 85% by weight of one or more filler, wherein the composition contains 0,05 to5 % by weight, based on the amount of the hydraulic binder, of at least one terpenoid alcohol, wherein the terpenoid alcohol is not terpineol or borneol. Additionally disclosed is a hardened product made by the composition and the use of at least one terpenoid alcoholin a composition, comprising hydraulic binder and filler, to reduce the shrinkage of the wet composition during curing.

Spray-applied drying-type joint compound and its use in a wall installation method as well as a method for preparing a joint compound for spray application

Provided are compositions and methods for expeditious wall installation by spray-applying a joint compound comprising a polymeric binder and hollow spheres. The wet drying-type joint compound for spray application is substantially free of setting minerals, bulk filler, clays, starch, mica, Ca(Mg)C03, expanded perlite, gypsum, talc, diatomaceous earth. It has a shrinkage < 15 vol% (ASTM C474-05) and a viscosity adjusted to 15,600 - 23,000 cP (ASTM C474-05).The joint compound comprises 3 - 90 wt% of a latex emulsion binder being selected from acrylic acid polymers, acrylic acid copolymers, alkyds, polyurethanes, polyesters, epoxies; up to 5 wt% of a nonionic surfactant;up to 3 wt % of a humectant; and 5 - 25 wt% of a plurality of hollow spheres. These spheres are composed of self-contained air bound by a solid barrier, have an average isostatic crush strength of > 250 psi (ASTM D3102-78) and a density of 0.04 - 1.1 g/cm3. The hollow spheres are selected from the group consisting of lime boro-silicate ...

Coloured fiber cement products and methods for the production therof

The present invention relates to coloured fiber cement products as well as to methods for manufacturing such products. In particular, the present invention provides coloured fiber cement products, which fiber cement products are coloured in the mass, and at least comprise on at least part of their outer surface one or more cured layers of a coating composition, which composition at least comprises a binder and a pigment and/or a filler and is characterized by a pigment volume concentration (PVC) of between about 1% and about 20%. The present invention further provides processes for producing these coloured fiber cement products. Finally, the present invention provides uses of the coloured fiber cement products as building materials. In particular embodiments, the fiber cement products produced by the processes of the present invention can be used to provide an outer surface to walls, both internal as well as external, a building or construction, e.g. as fagade plate, siding, etc.

Dry mortar, mortar slurry and method for producing semi-rigid coatings

The present invention relates to a dry mortar and a mortar slurry, and a method for producing semi-rigid coatings. In one embodiment, the dry mortar and/or mortar slurry comprises a cement, a very fine component, and a superplasticizer and is free of silica fume, wherein the mortar slurry can be applied at an asphalt framework temperature between 55 and 80 °C, and a compressive strength of at least 100 N/mm2 is reached after 28 days. In a further embodiment, the dry mortar and/or mortar slurry additionally contains a gelling agent to reduce the propensity of the mortar slurry to flow out.

Magnetic floor surface

The present invention is directed to a method for providing a surface, in particular a floor surface, with a layer of a magnetic and/or magnetizable cover composition, the surface having at least one layer of cementitious material, wherein the method comprises the step of spreading the layer of the cover composition onto the surface, the cover composition comprising a polymeric binder and magnetic and/or magnetizable particles,characterized in that the layer of the cover composition has a water vapor transmission rate of at least 0.25 g h- ...

Solid particulate calcium nitrate composition comprising a solid particulate silicate as an anti-caking agent

The invention relates to a solid particulate calcium nitrate composition having particles with an average particle size of between 0.1 and 1 mm and comprising an anti-caking agent, wherein the anti-caking agent consists of a solid particulate silicate with an average particle size of between 0.05 and 750 μm. The invention furthermore relates to a pre-blend binder composition comprising such a solid particulate calcium nitrate composition. Also a dry mortar mix or tile adhesive composition and a dry concrete mix comprising an aggregate and such a pre-blend binder composition. Also a method for producing a solid particulate calcium nitrate composition, the use of a solid particulate silicate as anti-caking agent for a solid particulate calcium nitrate composition and the use of a solid particulate calcium nitrate composition as a setting accelerator for cementitious pre-blend binder composition are disclosed.

3D printing of components and structures with BCT cement

The present invention relates to the use of belite calciumsulfoaluminate ternesite cement for producing components and structures by means of 3D printing and a method for producing components and structures by the 3D printing of belite calciumsulfoaluminate ternesite cement.

МАТЕРИАЛ НА ОСНОВЕ ГИПСА, СОДЕРЖАЩИЙ КАЗЕИН И АКТИВИРОВАННЫЙ УГОЛЬ

Предложен материал на основе гипса, содержащего казеин и активированный уголь. Настоящее изобретение касается материала на основе гипса, в частности гипсовой плиты, предназначенной для внутреннего обустройства жилых зданий, содержащего смесь казеина и активированного угля. Предметом изобретения является также применение данного материала для снижения количества летучих органических соединений, присутствующих в атмосфере внутри жилых, офисных или публичных зданий.

METHOD OF PRODUCING INSULATION COMPOSITE BUILDING BLOCK PRODUCTION

3D-AND-PRINTING CONSTRUCTION ELEMENTS AND BUILDINGS WITH BKT - CEMENT

METHOD OF BINDING OF CARBON DIOXIDE

МАТЕРИАЛ НА ОСНОВЕ ГИПСОВОЙ ШТУКАТУРКИ, СОДЕРЖАЩИЙ КОМПЛЕКС МЕТАЛЛ-ЭДТА

Изобретение относится к материалу на основе гипса, в частности к гипсокартону, предназначенному для внутренней отделки жилых помещений, который содержит комплекс металл-ЭДТА. Настоящее изобретение также относится к применению указанного материала для уменьшения количества летучих органических соединений, присутствующих в атмосфере, внутри жилых помещений, офисов или общественных зданий.

КОМПОЗИЦИОННЫЕ ВЯЖУЩИЕ ВЕЩЕСТВА НА ОСНОВЕ СУЛЬФОАЛЮМИНАТА КАЛЬЦИЯ

Изобретение относится к композиционным вяжущим веществам, содержащим цемент на основе сульфоалюмината кальция и вспомогательный вяжущий материал, отличающимся тем, что массовое отношение сульфата кальция к сумме йелимита, алюминатов и ферритов (R$/(Y+A+F)) находится в диапазоне 0,5-0,85, к способу их производства, который включает следующие этапы: a) получение по меньшей мере одного цемента на основе сульфоалюмината кальция; b) получение по меньшей мере одного вспомогательного вяжущего материала; c) смешивание 10-90 мас.% цемента (цементов) на основе сульфоалюмината кальция с 10-90 мас.% вспомогательного вяжущего материала (материалов), и к их применению при производстве строительных материалов с гидравлическим затвердеванием и специальных строительных химических композиций.

DIMENSIONALLY STABLE GEOPOLYMER COMPOSITION AND METHOD

CALCIUM SULFOALUMINATE COMPOSITE BINDERS

Способ изготовления строительного композитного изоляционного блока

Изобретение относится к строительному композитному изоляционному блоку, содержащему минеральную пену, и к способу его изготовления. Способ включает следующие этапы: а) формирование блока, содержащего, по меньшей мере, одну ячейку со стенками достаточно влажными или состоящими из водоотталкивающего материала, б) заполнение указанной ячейки минеральной пеной, которая не содержит значительного количества алюмината кальция. Упомянутый композитный изоляционный блок содержит, по меньшей мере, одну ячейку со стенками, опционально содержащими водоотталкивающий материал, данная ячейка будучи заполнена минеральной пеной, которая не содержит значительного количества алюмината кальция. П. формулы: 14 Фиг.: 3 ...

СПОСОБ ПРИГОТОВЛЕНИЯ АКТИВИРОВАННОЙ БЕТОННОЙ СМЕСИ

Изобретение относится к области строительного производства, а именно к способам активации компонентов бетонной смеси, и может быть использовано во всех отраслях народного хозяйства для приготовления бетонных смесей. Предложен способ приготовления активированной бетонной смеси, включающий перемешивание воды с цементом, введение полученной суспензии в бетоносмеситель с заполнителем и окончательное перемешивание, в котором воду затворения предварительно активируют путем обработки электрическим током в проточном диафрагменном электролизере при плотностях тока 0,03А/см2-0,05А/см2 и удельном расходе количества электричества 0,005...0,03 А*ч/л. Использование данного способа приготовления активированной бетонной смеси обеспечивает повышение ее качества, удешевление способа за счет снижения расхода электричества.

METHOD FOR PRODUCING A GYPSUM PLASTERBOARD

СПОСОБ ИЗГОТОВЛЕНИЯ ГИПСОВОЙ ШТУКАТУРНОЙ ПЛИТЫ

Способ изготовления гипсовых штукатурных плит, содержащий этапы обеспечения соединительной крошки, получаемой из остатков гипсовой штукатурной плиты, которые получаются при обрезании штукатурной плиты, с использованием устройства обрезки краев, в частности, пилы для стопы плит; и добавления по крайней мере части соединительной крошки в жидкий раствор гипса для изготовления гипсовых штукатурных плит.

СПОСОБ ИЗГОТОВЛЕНИЯ ГИПСОВОЙ ШТУКАТУРНОЙ ПЛИТЫ

Способ предусматривает приготовление жидкого раствора гипса, подготовку свежеизготовленной соединительной крошки из отходов гипсовой штукатурной плиты, добавление по крайней мере части соединительной крошки в жидкий раствор гипса, формирование жидкого раствора смеси гипса и соединительной крошки и сушку. При этом, свежеизготовленную соединительную крошку берут в процессе изготовления штукатурных плит, заполненных кремнийорганическим маслом в качестве гидрофобного агента. Пункты: 3 независимых 6 зависимых Фиг.: 1 ...

METHOD FOR PRODUCING GYPSUM PLASTERBOARD

Novel mine filling quick-setting reinforced addictive

Foam cement paste additive of, foam stabilizer composition and foam cement slurry

Hydraulic composition

The invention relates to a composition comprising, based on the dry weight of said composition,(A) 10 to 70 % by weight of one or more hydraulic binder and (B) 20 to 85% by weight of one or more filler, wherein the composition contains 0.05 to 5 % by weight, based on the amount of the hydraulic binder, of at least one terpenoid alcohol, wherein the terpenoid alcohol is not terpineol or borneol. Additionally disclosed is a hardened product made by the composition and the use of at least one terpenoid alcohol in a composition, comprising hydraulic binder and filler, to reduce the shrinkage of the wet composition during curing.

SLAB [...]

Middle Temperature Modified-Asphalt Concrete Compositions Using Stylene Isoprene Stylene and Aggregate-powder of Improved Grain Size and Constructing Methods Using Thereof

SIS, SBS, 재생아스팔트 순환골재 및 개선된 골재 입도의 미분말 골재를 포함하여 방수성능을 향상시킨 아스팔트 콘크리트 조성물 및 이의 시공방법

... 본 발명은 신재아스팔트 100중량부 기준으로, 스티렌이소프렌스티렌 5 내지 25중량부; 스티렌부타디엔스티렌 3 내지 25중량부; 석유수지 5 내지 15중량부; 재생아스팔트 순환골재 250 내지 1,000중량부; 성능개선제 1 내지 10중량부; 신골재 250 내지 1,000중량부; 미분말 골재 30 내지 150중량부; 및 셀룰로오스 섬유 0.1 내지 2중량부를 포함하는 방수성능을 향상시킨 아스팔트 콘크리트 조성물 및 이의 시공방법을 제공한다. 본 발명에 따른 SIS, SBS, 재생아스팔트 순환골재 및 개선된 골재 입도의 미분말 골재를 포함하여 방수성능을 향상시킨 아스팔트 콘크리트 조성물은 고응집력과 고결합력을 구비하여 방수성이 우수하고, 내구성이 좋고, 소성변형, 노화 및/또는 박리가 쉽게 발생하지 않으면서도, PG 82-34 등급이며 침투수 및 포트홀을 방지하고, 저비용으로 타설공정을 용이하게 수행할 수 있도록 하는 등의 효과가 있다.

EARLY STRENGTH MODIFIED QUICK HARDENING CONCRETE COMPOSITION CONTAINING SULFUR AND ROAD REPAIRING OR REINFORCING APPARATUS THEREWITH

실리콘 잉곳 고화용 기재

... 본 발명은 특히 액체 실리콘에 접촉하게 되는 기재(substrate)에 관한 것이고, 이 기재는 결속층(tie layer)이라고 명명한, 상기 기재와 인접하고 적어도 30%의 개기공율을 가지며 실리카와 실리콘 나이트라이드에 기초한 재료로 형성되되 상기 재료는 총 중량 대비 10%와 55% 사이의 실리카 함량을 가지는 적어도 하나의 층과, 상기 결속층과 별개이고 이형층(release layer)이라고 명명한, 결속층의 표면에 위치하고 실리카와 실리콘 나이트라이드에 기초한 재료로 형성되되 상기 재료는 총 중량 대비 2%와 10% 사이의 실리카 함량을 가지는 층으로부터 형성된 다층 코팅으로 적어도 부분적으로 표면 코팅된 것이 특징이다.

POROUS CONCRETE BLOCK USING OIL REFINING BY-PRODUCT

CONCRETE COMPOSITIONS FOR FINE DUST REMOVAL AND CONCRETE PANEL COMPRISING THE SAME

Manufacturing method of instant injection material comprising nano-hydraulic lime

ASPHALT COMPOSITION FOR STRESS ABSORPTION AND SHEET FOR STRESS ABSORPTION USING SAME

An asphalt composition for stress absorption of the present invention comprises: 55 to 65 wt% of blown asphalt; 5 to 15 wt% of a polymer modifier which is polynorborene(ethylene propylene rubber); 1 to 10 wt% of an adhesive performance imparting agent; 0.1 to 1 wt% of a crosslinking accelerator which is tetramethylthiuram disulfide (TMTD); and 20 to 30 wt% of an inorganic filler. In this case, the asphalt composition of the present invention is excellent in elastic force and tensile performance by using the blown asphalt having linear viscoelasticity irrespective of shear deformation and, at the same time, using a polynorborene(ethylene propylene rubber) which is a homopolymer formed of a norbornene monomer that is capable of maintaining flexibility even at a low temperature condition. COPYRIGHT KIPO 2018 ...

PLASTER PANELS USING A HIGH PROPORTION OF WATER-STUCCO

injeção a vacuo para o mármore sintético

Briquette manufacturing compound-containing calco-magnesian and a compound based on iron, and briquettes thus obtained

Composition sous forme de briquettes crues ou cuites comprenant aumoins,un composé calcomagnésien vif comprenant et un composé à base de fer et son procédé d’obtention ainsi que ses utilisations ...

Briquette manufacturing compound-containing calco-magnesian and a compound based on iron, and briquettes thus obtained

Composition sous forme de briquettes crues ou cuites comprenant au moins un compose calco-magnesien vif comprenant et un compose a base de fer et son procede d'obtention ainsi que ses utilisations ...

SINGLE LAYER PLASTER FOR FACADE AND PRODUCTION THEREOF

SOLID PARTICULATE CALCIUM NITRATE COMPOSITION COMPRISING A SOLID PARTICULATE SILICATE AS AN ANTI-CAKING AGENT

METHOD FOR PRODUCING A CIRCUIT CARRIER

The invention relates to a method for producing a circuit carrier (43, 5) in which a carrier substrate (33, 35, 45) is provided, a structure (37, 47) for a conductor (40, 52) to be applied is introduced into the surface (31, 39, 39) of the carrier substrate (33, 35, 45) by means of a laser, wherein the structure (37, 47), while forming the circuit carrier (43, 54), is provided with a metal coating (41, 53) forming the conductor (40, 52). A ceramic material (12, 16) is used as the carrier substrate (33, 35, 45). The invention further relates to a carrier substrate (33, 35, 45) for a ceramic material (12, 16), to a use of a ceramic material (12, 16) as the carrier substrate (33, 35, 45), and to the ceramic material (12, 16) per se.

REACTION RESIN MORTAR THAT CAN BE CURED BY MEANS OF FRONTAL POLYMERIZATION AND METHOD FOR FASTENING ANCHOR RODS

The invention relates to a reaction resin mortar that can be cured by means of frontal polymerization, comprising at least one radically polymerizable compound (a), at least one thiol-functionalized compound (b), and at least one polymerization initiator (c), wherein the weight ratio of the at least one radically polymerizable compound (a) and the at least one thiol-functionalized compound (b) is in the range of 10:1 to 2:1 and wherein the polymerization initiator (c) is selected from among compounds that can be thermally activated and/or thermally released at a temperature above 30°C and/or ammonium persulfates that are formed in situ from at least one organically substituted ammonium salt and at least one inorganic per sulfate. The invention further relates to a method for fastening anchor rods, concrete-reinforcing steel, or the like in boreholes by using the reaction resin mortar.

PHOTOLUMINESCENT CEMENTITIOUS COMPOSITIONS BASED ON HYDRAULIC BINDERS PARTICULARLY SUITABLE FOR USE IN SAFETY SIGNS

The present invention relates to a photoluminescent cementitious composition suitable for use in safety signs in accordance with DIN 67510-1 standard, characterized by including a hydraulic binder, an aggregate and/or a filler and at least a photoluminescent pigment selected from strontium aluminates or silicates doped with rare earths selected from europium and dysprosium. The invention also relates to the use of a photoluminescent pigment in the manufacturing of concrete articles with aesthetic quality given by persistent photoluminescent properties.

FIRE PROTECTION MORTAR

A composition for the preparation of a fire protection mortar comprising - 45 to 70% by weight of cement binder, - 8 to 20% by weight calcite, - 8 to 20% by weight mica, - 0 to 5% by weight of xonotlite, - 0.1 to 20% by weight of expanded perlite, - 0.1 to 10% by weight of fibers, - 0.01 to 2% by weight of air entrainer and foaming agent, - 0.01 to 2% by weight of processing aids.

PREFORM FOR THE PRODUCTION OF A DENTAL PROSTHESIS

The invention relates to a porous preform for the production of a dental prosthesis, said preform comprising a group of agglomerated ceramic, glass-ceramic or glass particles, such that (expressed as volume percent): more than 40% and less than 90% of the particles of the aforementioned group have a size greater than 0.5 µm and less than 3.5 µm, said particles being hereafter referred to as "enamel particles"; and more than 10% and less than 60% of the particles of the group have a size greater than 3.5 µm and less than 5.5 µm, said particles being hereafter referred to as "dentin particles", the Ve/(Ve+Vd) ratio of the volume percent Ve of enamel particles to the volume percent Vd of dentin particles changing continuously along an axis X, known as the "axis of variation".

MORTAR MIXTURE FOR THERMAL INSULATION AND/OR AS FIRE PROTECTION AND FOR UNIVERSAL APPLICATIONS, AND METHODS FOR THE PRODUCTION AND USE THEREOF

The invention relates to a mortar mixture which can be embodied as insulating plaster, in the form of a plastering mixture, for insulating building envelopes, and which can also be embodied as final coat. However, the mortar mixture can be used for horizontal surfaces or as casting mortar in molds, including pressing molds. At least 20% of the mortar mixture by volume consists of balls composed of expanded silica sand or expanded perlite, which balls are glazed and thus closed at the surface thereof and are filled with air. Said perlite balls are mixed with binding agents, additives as binders, an air-void forming agent, and/or further chemical admixtures as liquefiers, quick-setting binders, and composed of polymers. The method for producing the mortar mixture is performed in such a way that perlite sand is first sorted into various grain sizes by means of a grading curve. Each individual grain size is then expanded in a trickling channel having multi-stage temperature zones such that ...

METHOD FOR PREPARING ADMIXTURE FOR GYPSUM BOARD, ADMIXTURE PREPARED THEREBY, AND COMPOSITION FOR FORMING GYPSUM BOARD, COMPRISING ADMIXTURE

The present invention relates to: a method for preparing an admixture for a gypsum board; an admixture for a gypsum board, prepared thereby; and a composition for forming a gypsum board, comprising the admixture. Specifically, the aim of the present invention is to provide a technique that can control the physical properties, such as flowability and setting time, of a gypsum slurry by adjusting the degree of sulfonation (DS) of a sulfonated polystyrene (SPS)-based compound or an SPS-based polymer compound or adjusting the type and degree of polymerization of monomers contained in the polymer compound.

Concrete

Concrete is formed by providing a wet layer of a first concrete 4, applying a second wet layer 6 of concrete on the first layer 4 of wet concrete and setting the layers 4 and 6 to provide a composite concrete structure, wherein at least one of the layers comprises, AACM (Alkali-Activated Cementitious Material). An ionic bond 2 is formed between the two layers. The AACM layer may comprise a reinforcement structure and cathodic protection.

Ultra stable cementitious material formulation, process for its making, and ultra stable tile backer board formulation and processes for its making

An ultrastable cementitious material with nano-molecular veneer makes a cementitious material by blending 29 wt % to 40 wt % of a magnesium oxide dry powder containing 80 wt % to 98 wt % of magnesium oxide based on a final total weight of the cementitious material, with 14 wt % to 18 wt % of a magnesium chloride dissolved in water and reacting to form a liquid suspension, mixing from 2 to 10 minutes, adding a phosphorus-containing material, and allowing the liquid suspension to react into an amorphous phase cementitious material, wherein a portion of the amorphous phase cementitious material grows a plurality of crystals. The plurality of crystals are encapsulated by the amorphous phase cementitious material forming a nano-molecular veneer. A process to make the ultrastable cementitious material. A tile backer board incorporating the ultrastable cementitious material and a process for making the tile backer board.

Alkyl hydroxyalkyl cellulose ethers, methods of making, and use in cements and mortars

Disclosed are methods for the preparation of alkyl hydroxyalkyl cellulose ethers, and the use of such alkyl hydroxyalkyl cellulose ethers in the preparation and use of mortars and other cement-based systems; also disclosed is a hydraulic composition containing at least one retarder, at least one accelerator and a cellulose ether having a prolonged open time without deterioration of the other cement tile adhesive properties such as workability, setting time, strength development and sag resistance; and further disclosed are dry mortars containing encapsulated calcium chloride used in preparing mortar materials for use in construction, and the preparation and use of such mortars in cold weather environments is also disclosed.

Method of producing soil cement slurry

Soil cement slurry is produced by mixing blast-furnace slag fine particles with a specified fineness and Portland cement at a specified ratio to prepare blast-furnace slag cement and using a specified amount of slurry composition for ground improvement including this blast-furnace slag cement with water and an admixture per 1 m3 of ground. The admixture contains specified amounts of a hardening accelerator, a defoamer and a fluidizer.

Tantalum carbide-coated carbon material and manufacturing method for same

On the surface of a carbon substrate 41, a tantalum carbide coating film 42 is formed to coat the carbon substrate 41. The tantalum carbide coating film 42 has a maximum peak value of at least 80 degrees in an orientation angle of a (311) plane corresponding to a diffraction peak of tantalum carbide as determined by X-ray diffraction.

Mold compositions

The disclosure relates generally to mold compositions and methods of molding and the articles so molded. More specifically, the disclosure relates to mold compositions and methods for casting titanium-containing articles, and the titanium-containing articles so molded.

Porous body, honeycomb filter, method for producing porous body, and method for producing honeycomb filter

A porous body constituting a porous partition wall 44 of a honeycomb filter 30 has a porosity P of 20% to 60%, a permeability k of 1 μm2 or more and satisfies k≥0.2823 P−10.404. The porous body is obtained by a method for producing, for example, includes (a) a step of acquiring porous body data representing a temporary porous body having porosity higher than target porosity, (b) a step of deriving information about a flow rate for each space voxel during passage of a fluid through inside of the porous body, (c) a step of preferentially replacing the voxel having a low flow rate among the space voxels with the object voxel, and adjusting the porosity of the porous body data to the target porosity, and (d) a step of forming a porous body based on the porous body data after replacement.

Process for manufacturing a component for a catalytic converter

In a process for manufacturing a catalytic converter component, a ceramic unit is used that has been prepared by extruding green ceramic product through a die to form an extrusion having a honeycomb substrate structure in which tubular passages extend along the extrusion, the passages bounded by walls dividing adjacent passages from one another. The unit is obtained by cutting off a length of the extrusion and curing and firing it. The process further comprises flowing insulation material from one end of the unit into selected ones of the elongate passages, the insulating material then being cured. The passages are selected so that the cured insulation material forms an internal thermal insulating barrier between a core zone and a radially outer zone of the unit. Passages in the inner and outer zones are free of insulation material and the honeycomb structure walls include walls crossing the insulating barrier.

Aluminum titanate-based ceramics

The invention is to provide an aluminum titanate-based ceramics showing a good mechanical strength. The invention is an aluminum titanate-based ceramics obtained by firing a starting material mixture which contains a titanium element and an aluminum element, and further contains a chromium element and/or a tungsten element. Preferably, a content of a chromium source which contains the chromium element is from 0.001 to 5 parts by mass, and a content of a tungsten source which contains the tungsten element is from 0.001 to 1.0 part by mass relative to 100 parts by mass of the starting material mixture.

Production of solid materials based on hydraulically setting coating agents

The invention relates to a method for producing solid materials having an air content of 16 vol. % in relation to the total volume of solid materials, characterised in that hydraulically setting coating agents containing at least one cationic protective colloid are applied to an undersurface by means of mechanical methods using compressed air with air quantity factors of up to 100 or by manual methods.

Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto

Disclosed are product (e.g., panels), slurry, and methods relating to a pregelatinized starch having a mid-range viscosity (i.e., from about 20 centipoise to about 700 centipoise), and an extruded pregelatinized starch.

Retarded acid systems, emulsions, and methods for using in acidizing carbonate formations

In one embodiment, a retarded acid system comprises an aqueous acid and a retarding surfactant. The aqueous acid may comprise from 5 wt. % to 25 wt. % of a strong acid, that is, an acid having a Ka greater than or equal to 0.01. The aqueous acid may further comprise from 75 wt. % to 95 wt. % water. The retarding surfactant may have the general chemical formula R—(OC2H4)X—OH where R is a hydrocarbon having from 11 to 15 carbon atoms and x is an integer from 6 to 10. The retarding surfactant may have a hydrophilic-lipophilic balance from 8 to 16.

Green aircraft interior panels

The present invention relates to sandwich panels used as aircraft interior parts. In addition to provide a finishing function, the sandwich panels need to have certain mechanical properties and have sufficient fire resistance to retard the spread of fire within the vehicle interior. The present invention provides an aircraft interior panel with skins comprising natural fiber reinforced composites based either on an inorganic thermoset resin or a thermoplastic resin. Such panels provide the required flame and heat resistance, allow easy recycling and disposal, are cheaper and offer significant weight savings over conventional sandwich panels.

Separators for electrochemical cells

Provided are separators for use in an electrochemical cell comprising (a) an inorganic oxide and (b) an organic polymer, wherein the inorganic oxide comprises organic substituents. Also provided are electrochemical cells comprising such separators.

Substrate and a method of manufacturing a substrate

A substrate and a method of manufacturing a catalytic substrate body arranged within the catalytic convertor such that a principal flow of fluid through the catalytic convertor flows along a surface of the substrate body, wherein said surface has a plurality of openings to micro-channels that extend away from said surface; and at least a portion of the surface of the substrate body comprises a catalytically active material, wherein the substrate body is in the form of a pellet; a sheet; solid elongated bodies; solid rods; a solid body having a plurality of bores; a non-tubular elongated body; a non-hollow body; a sheet curved in the form or a spiral; or a combination thereof.

Foaming of set-delayed cement compositions comprising pumice and hydrated lime

A variety of methods and compositions are disclosed, including, in one embodiment a method a cementing in a subterranean formation comprising: providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; foaming the set-delayed cement composition; activating the set-delayed cement composition; introducing the set-delayed cement composition into a subterranean formation; and allowing the set-delayed cement composition to set in the subterranean formation. Additional methods, foamed set-delayed cement composition, and systems for cementing are also provided.

Method for preparing ceramsite by using municipal sludge as raw material

A method for preparing ceramsite by using municipal sludge as raw material, including the following specific steps: drying; preparing ingredients including raw sludge, fly ash, kaolinite, steelmaking slag, zeolite, hematite, calcareous shale, waste incineration fly ash, Fe2O3, waste glass, calcium carbonate, sodium lauryl sulfate, and sodium benzoate; mixing and stirring uniformly, and putting the stirred materials into a granulating machine for granulation; drying and preheating the material pellets after granulation, and then quickly transferring to a sintering device for first sintering at a low temperature and then sintering at a high temperature; crushing large chunks of the cooled materials; and separating and screening the crushed materials. The method of the present invention reduces the generation of the large chunks of the cooled materials in the obtained ceramsite, thereby reducing the subsequent crushing work and saving energy consumption accordingly.

Method of preparing pregelatinized, partially hydrolyzed starch and related methods and products

Disclosed are methods relating to an extruded pregelatinized, partially hydrolyzed starch prepared by mixing at least water, non-pregelatinized starch, and acid to form a starch precursor. The acid can be a weak acid that substantially avoids chelating calcium ions or a strong acid in a small amount. In the method, pregelatinization and acid-modification of the starch precursor occurs in one step in an extruder. Also disclosed are methods of preparing board using the starch prepared according to the methods, as well as starches and boards prepared by various methods of the invention.

System and method for utilizing canister and hose to move slurry mixture to make gypsum board

A system and method for introducing a slurry mixture for making gypsum board is disclosed. The system includes a mixer for mixing slurry and directing it to an exit gate, a foam injector for injecting foam into the slurry, and a canister connected to the mixer for inducing swirl to the slurry. The system also includes an elongated hose and an optional adapter for depositing the slurry onto paper to form the board. Ends of the elongated hose are coupled to the canister and to the inlet of the adapter. Slurry is directed from the canister, through the hose, and into the adapter for exiting its outlet. Optionally, a mixing boot and/or elbow joints may be included. Use of the hose and adapter enhances the flexibility of the system, including moving the mixer offline or adjacent to the paper or belt, and improves foam blending in the slurry mixture.

Evaluation method for clay and manufacturing method of extrusion molded body

A method performs evaluation of properties of a clay rod, with which a honeycomb structural body is produced. The method mixes raw materials to produce a clay, and extrudes the clay and compresses the extruded clay to produce a clay rod. The method performs NMR to detect at least one of a T1 relaxation time and a T2 relaxation time in each of a normal part and an abnormality part extracted from the clay rod. Each of the T1 relaxation time and the T2 relaxation time corresponds to a relaxation time of nuclear spins of water protons magnetically excited in each of the normal part and the abnormality part. The method performs the evaluation of uniformity of a mixed state and a compression state of the clay rod based on a difference in T1 relaxation time and T2 relaxation time between the normal part and the abnormality part.

Calcium aluminate cement

The present invention relates to a white calcium aluminate cement containing at least 90% by weight of monocalcium aluminate, an A/C value in the range of 1.75 to 2.0, a fineness according to Blaine in the range of 3500 to 6000 cm2/g, a slope n in the range of 1.1 to 1.5 and a location parameter x of 8-20 m in an RRSB particle size grid according to DIN 66145 as well as its use in formulations of the construction chemical industry and the refractory industry.

Dental gypsum powder

An embodiment according to the present invention provides a dental gypsum powder including a hemihydrate gypsum and a water-reducing agent, wherein the mass ratio of the water-reducing agent to the hemihydrate gypsum is 0.1 to 1%, the content of particles having a particle diameter of 10 μm or less is 15 to 35 volume %, the content of particles having a particle diameter of 20 μm or less is 40 to 55 volume %, and the content of particles having a particle diameter of 30 μm or less is 55 to 75 volume %.

Plant-mixed warm regenerated asphalt mixture and preparation method thereof

A preparation method of a plant-mixed warm regenerated asphalt mixture, comprises the following steps: preparing a RAP material, a new aggregate, a mineral powder, a new asphalt and a regenerant with a total mass percentage of 100%; heating and stirring the RAP material, adding the regenerant, and continuing to heat and stir; placing the product in a development bin for development, wherein a development temperature is 40° C. to 150° C., and a development time is 0.5 h to 6 h; mixing, heating and stirring a product with the new aggregate; and after mixing and heating the product with the new asphalt, adding the mineral powder, and stirring to mold. Addition of the regenerated asphalt mixture in the development process improves the regeneration effect of the old asphalt, and pavement performances of the formed regenerated asphalt mixture can fully reach that of a hot-mixed asphalt mixture produced entirely with new materials.

Permeable pavement system including a permeable pavement composition and a related method

A permeable pavement system including a permeable pavement composition and a related method are provided. The permeable pavement system includes a first layer of a permeable pavement composition including a quantity of a first permeable pavement material and a quantity of cured carbon fiber composite material (CCFCM) incorporated therewith, the first layer defining a first surface; and a second layer of a second permeable pavement material deposited over a substantial entirety of and covering the first surface of the first layer of the permeable pavement composition, wherein the first layer interfaces with the second layer to at least strengthen the permeable pavement system.

Method of making a porous sintered body, a compound for making the porous sintered body, and the porous sintered body

A thermal formation sintering compound containing a binder, a sinterable powder material and a pore formation material, for formation into a predetermined shape in a thermal formation step, removal of the binder in a degreasing step, and sintering of the powder material in a sintering step is provided. The binder contains a low-temperature draining component which melts in the thermal formation step, begins draining at a temperature lower than a draining temperature of the pore formation material, and drains at a temperature lower than a temperature at which the pore formation material drains; and a high-temperature draining component which melts in the thermal formation step, begins draining after the pore formation material begins draining, and drains at a temperature higher than does the pore formation material.

POSTPONED ONSET OF QUICKLIME HYDRATION

INJECTION-MOULDING COMPOSITION

A CONCRETE MIXTURE AND METHOD OF FORMING THE SAME

Building panel

Die Erfindung betrifft eine Bauplatte insbesondere geeignet für die Verwendung als verlorene Schalung umfassend einen Plattenkörper aus Polystyrol mit einer Mörtelbeschichtung (4), umfassend ein hydraulisches und/oder polymeres Bindemittel, karbonatische oder silikatische Füllstoffe, karbonatischen oder silikatischen Feinsand und Fließmittel an beiden Plattenseiten, wobei in der Mörtelbeschichtung (4) eine Armierung in Form eines Glasfasergewebes (5) angeordnet ist. Die Seitenflächen der Polystyrolplatte (2), welche die Mörtelbeschichtung (4) tragen, weisen eine Strukturierung in Form von einer Vielzahl über die Polystyrolplatte (2) verteilter Vertiefungen und/oder Erhebungen (3,3'), bevorzugt in Form von gitterförmig angeordneten Vertiefungen und/oder Erhebungen (3,3') auf. Die Bauplatte weist maximal ein Gewicht von 25 kg/m2 und ein Biegemoment von mindestens 10 kNm/m auf.

COMPOSITE MATERIAL FOR SLURRY YIELD ENHANCEMENT

FASTENING SYSTEMS HAVING FINE PARTICULATE FILLERS

Method for producing a Belite cement with high reactivity and low calcium/silicate ratio

PROCESS FOR PRODUCING POLYMERS BY MEANS OF EMULSION OR SUSPENSION POLYMERIZATION IN A JET LOOP REACTOR

BINDER FOR MONOLITHIC REFRACTORIES, MONOLITHIC REFRACTORY, AND CONSTRUCTION METHOD FOF MONOLITHIC REFRACTORIES