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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

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Мониторинг СМИ

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

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 1947. Отображено 100.
21-06-2012 дата публикации

Process for coating an active ingredient with a urea-formaldehyde polymer

Номер: US20120156275A1
Принадлежит: Albemarle Corp

The present invention relates to novel urea-formaldehyde polymers coated with an active ingredient, a method of making the same, and their use.

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25-04-2013 дата публикации

PROCESS FOR TRANSPORTATION OF A HYDRAULIC COMPOSITION

Номер: US20130102705A1
Принадлежит: LAFARGE

A process for transportation of a fresh hydraulic composition including: 1. A process for transportation of a fresh hydraulic composition comprisingfrom 220 to 500 kg, per cubic metre of the fresh hydraulic composition, of a hydraulic binder comprising Portland cement;from 400 to 1800 kg, per cubic metre of the fresh hydraulic composition, of a sand having a D10 greater than 0.1 mm and a D90 less than 4 mm;from 150 to 1000 kg, per cubic metre of the fresh hydraulic composition, of gravel having a D10 greater than 4 mm and a D90 less than a 10 mm;from 0.05 to 5% by mass of dry extract relative to the mass of hydraulic binder, of a superplasticizer comprising a polyphosphate polyoxyalkylene polymer, a polyphosphonate polyoxyalkylene polymer, a polysulfonate polyoxyalkylene polymer or a polycarboxylate polyoxyalkylene polymer, andfrom 0.01 to 0.5% by mass of dry extract relative to the mass of hydraulic binder, of a rheology-modifying agent, different to the superplasticizer, comprising at least one compound selected from a group consisting of a viscosity-modifying agent, a water-retainer, a yield point modifier or a thixotropic agent, the process comprisingtransporting the fresh hydraulic composition for at least more than ten minutes without mixing the fresh hydraulic composition.2. The process according to claim 1 , wherein the hydraulic composition is transported in a vehicle not comprising a mixer.3. The process according to claim 1 , wherein the hydraulic composition is transported in a hermetically-sealed container.4. The process according to claim 1 , wherein the quantity of the rheology-modifying agent is from 0.01 to 2% by mass of dry extract relative to the mass of the hydraulic binder.5. The process according to claim 1 , wherein the quantity of the superplasticizer is from 0.05 to 1% by mass of dry extract relative to the mass of the hydraulic binder.6. The process according to claim 1 , wherein the hydraulic composition further comprises 0.1 to 5% by mass ...

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25-04-2013 дата публикации

Method for preparing condensation resins and use thereof

Номер: US20130102716A1
Принадлежит: BASF SE

The present invention relates to new condensation resins of urea, formaldehyde, and CH-acidic aldehydes, to methods for preparing them, and to their use.

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30-05-2013 дата публикации

COSMETIC COMPOSITION COMPRISING AN OIL AND A POLYMER BOTH BEARING A HYDROGEN-BOND-GENERATING JOINING GROUP, AND COSMETIC TREATMENT PROCESS

Номер: US20130136705A1
Принадлежит: L'OREAL

The present invention relates to a cosmetic composition comprising: 2. Composition according to claim 1 , in which the oil bearing at least one nucleophilic reactive function has a molar mass (Mw) of between 150 and 6000 claim 1 , in particular of between 170 and 4000 claim 1 , or even between 180 and 2000 claim 1 , preferentially between 200 and 1500 claim 1 , and even better still between 220 and 800 g/mol.3. Composition according to claim 1 , in which the oil bearing at least one nucleophilic reactive function is chosen claim 1 , alone or as a mixture claim 1 , from:{'sub': '2', '(i) linear, branched or cyclic, saturated or unsaturated, fatty alcohols comprising 6 to 50 carbon atoms, and comprising one or more OH, optionally comprising one or more NH;'}(ii) esters and ethers bearing at least one free OH group, and in particular partial esters and ethers of a polyol, and hydroxylated carboxylic acid esters;(iii) hydroxylated natural and modified natural plant oils.4. Composition according to claim 1 , in which the oil bearing at least one nucleophilic reactive function is chosen claim 1 , alone or as a mixture claim 1 , from:{'sub': 6', '50', '6', '32', '8', '28, 'linear or branched, saturated or unsaturated, C-C, especially C-C, in particular C-C, monoalcohols, and in particular isostearyl alcohol, cetyl alcohol, oleyl alcohol, isopalmitoyl alcohol, lauryl alcohol, 2-butyloctanol, 2-hexyldecanol, 2-octyldecanol, 2-octyldodecanol, 2-octyltetradecanol, 2-decyltetradecanol, 2-dodecylhexadecanol; and/or'}{'sub': 4', '40, 'esters between a hydroxylated dicarboxylic acid and monoalcohols, and in particular malic acid esters, and especially C-Calkyl malates, such as 2-diethylhexyl malate, diisostearyl malate or 2-dioctyldodecyl malate;'}hydrogenated or nonhydrogenated castor oil, and also derivatives thereof; hydroxylated modified soybean oil.5. Composition according to claim 1 , in which the oil bearing at least one nucleophilic reactive function is chosen from 2- ...

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25-07-2013 дата публикации

MIXTURES OF CROSSLINKING AGENTS

Номер: US20130189438A1
Принадлежит:

The invention relates to a crosslinker composition comprising a reaction product of a cyclic urea U and a multi-functional aliphatic aldehyde A, and at least one crosslinker selected from the group consisting of reaction products of an amino-triazine and at least one aldehyde selected from the group consisting of aliphatic monoaldehydes and multifunctional aliphatic aldehydes having the structure Y(CHO), where Y is an n-functional aliphatic residue, and n is greater than 1; reaction products of urea and/or cyclic ureas and formaldehyde; alkoxycarbonyl-aminotriazines; multifunctional isocyanates which may be partially or completely blocked; reaction products of phenols and aliphatic monoaldehydes; multifunctional epoxides; multifunctional aziridines; and multifunctional carbodiimides, wherein any of the crosslinkers which have hydroxyl groups may be etherified with one or more linear, branched, or cyclic aliphatic alcohols. 1. A crosslinker composition comprising(a) a reaction product of a cyclic urea U and a multifunctional aldehyde A, and [{'sub': 'n', '(b1) reaction products of an aminotriazine and at least one aldehyde selected from the group consisting of aliphatic monoaldehydes and multifunctional aliphatic aldehydes having the structure Y(CHO), where Y is an n-functional aliphatic residue, and n is greater than 1, where U is not dihydroxyethylene urea if the crosslinker (b) is (b1),'}, '(b2) reaction products of urea and/or cyclic ureas and formaldehyde,', '(b3) alkoxycarbonylaminotriazines,', '(b4) multifunctional isocyanates which may be partially or completely blocked,', '(b5) reaction products of phenols and aliphatic monoaldehydes,', '(b6) multifunctional epoxides,', '(b7) multifunctional aziridines,', '(b8) multifunctional carbodiimides,, '(b) at least one crosslinker selected from the group consisting of'}wherein any of the crosslinkers (a) and (b) which have hydroxyl groups may be etherified with one or more linear, branched, or cyclic aliphatic ...

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25-07-2013 дата публикации

PROCESS FOR THE PREPARATION OF A REACTION PRODUCT OF A CYCLIC UREA AND A MULTIFUNCTIONAL ALDEHYDE

Номер: US20130189442A1
Принадлежит:

This invention relates to a process to make a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, by mixing the at least one multifunctional aldehyde A with the at least one cyclic urea U in the presence of at least one alcohol R—OH, and optionally, at least one solvent that has no reactive groups which may react with aldehyde groups, —CO—NH— groups, or hydroxyl groups, to effect an addition reaction to obtain a solution of a product UA, where Ris selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, to the reaction product obtained by this process, and to a method of use thereof as crosslinker for coating compositions. 2. The process of wherein the addition reaction is conducted in a pH range of more than 7.5.3. The process of wherein the addition reaction is conducted in a pH range of from 4.5 to 7.5.4. The process of wherein the addition reaction is conducted in a pH range of less than 4.5.6. The process of wherein the ratio of the amount of substance n(-O—R) of alkoxy groups —O—Rto the amount of substance n(-O—R) of alkoxy groups —O—Rin the etherified product of the process of is between 0.11 mol/mol and 20 mol/mol.8. The process of characterised in that in step a) claim 1 , the amount of multifunctional aldehyde A added is between 20% and 80% of the stoichiometric amount needed claim 1 , and that after step a) claim 1 , a further quantity of multifunctional aldehyde A is added and reacted with the reaction mixture formed in step a) wherein the total amount of multifunctional aldehyde A added is chosen such that the ratio of the amount of substance of aldehyde groups n(-CHO) in the multifunctional aldehyde A and the amount of substance of groups n(-CO—NH) in the cyclic urea U is from 0.2 mol/mol to 4 mol/mol.9. The process of characterised in that after an etherification step claim 5 , at least a part of the unreacted alcohol and optionally claim 5 , at ...

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22-08-2013 дата публикации

NON-ETHERIFIED REACTION PRODUCT OF A CYCLIC UREA AND A MULTIFUNCTIONAL ALDEHYDE

Номер: US20130217824A1
Принадлежит:

The invention relates to a coating composition comprising a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, and a crosslinkable resin having at least one kind of functional groups selected from the group consisting of hydroxyl functional groups, acid functional groups, amide functional groups, amino functional groups, imino functional groups, mercaptan functional groups, phosphine functional groups, and carbamate functional groups, characterised in that the degree of etherification, measured as the ratio <<(--R)/<<(U) of the amount of substance n(-O-R) of alkoxy groups as substituents of the aldehyde carbon atoms of the multifunctional aldehyde chemically bound in the reaction product UA to the amount of substance <<(U) of cyclic urea U chemically bound in the reaction products, is less than 0.01 mol/mol, and to a process for the preparation of the reaction product UA. 1. A coating composition comprising a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U , and a crosslinkable resin having at least one kind of active hydrogen functional groups , characterised in that the degree of etherification , measured as the ratio n(-O-R)/n(U) of the amount of substance n(-O-R) of alkoxy groups as substituents of the aldehyde carbon atoms of the multifunctional aldehyde chemically bound in the reaction product UA to the amount of substance n(U) of cyclic urea U chemically bound in the reaction products , is less than 0.01 mol/mol.2. The coating composition of further comprising at least one crosslinking agent selected from the group consisting of{'sub': 'n', '(b1) reaction products of an aminotriazine and at least one aldehyde selected from the group consisting of aliphatic monoaldehydes and multifunctional aliphatic aldehydes having the structure Y(CHO), where Y is an n-functional aliphatic residue, and n is greater than 1,'}(b2) reaction products of urea and/or cyclic ureas and ...

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31-10-2013 дата публикации

ARTIFICIAL STONE AND MANUFACTURING METHOD THEREOF

Номер: US20130284072A1
Автор: Park Chang Hwan
Принадлежит: LG HAUSYS, LTD

Disclosed is a method of manufacturing an artificial stone, and the method includes forming an artificial-stone paste which comprises 20-20 parts by weight of silica stone, metakaolim or silica fume, 200-300 parts by weight of quartz chips, 30-36 parts by weight if water, 1.5-3 part by weight of water-reducing agent and 0.2-3 parts by weight of pigment with response to 100 parts by weight of white cement; injecting the artificial-stone paste in a mold; primarily vacuum-molding the artificial-stone paste injected in the mold; secondarily vibration-molding the primarily molded artificial-stone paste; primarily curing the secondarily molded artificial-stone paste; secondarily curing the primarily cured artificial-stone paste, which induces a hydrothermal reaction and thus causes a pozzolanic reaction; releasing the secondarily cured artificial-stone paste from the mold; and surface-machining the released artificial-stone paste. 1. An artificial-stone paste for manufacturing an artificial stone , which comprises 20˜90 parts by weight of silica stone , metakaolin or silica fume , 200˜300 parts by weight of quartz chips , 30˜36 parts by weight of water , 1.5˜3 parts by weight of water-reducing agent and 0.2˜3 parts by weight of pigment with respect to 100 parts by weight of white cement.2. The artificial-stone paste according to claim 1 , wherein the quartz has a particle size of 0.3˜4.0 mm.3. The artificial-stone paste according to claim 1 , wherein the quartz has a particle size of 0.7˜1.2 mm.4. The artificial-stone paste according to claim 1 , wherein a granite stone is partially contained in 200˜300 parts by weight of the quartz chips.5. A method of manufacturing an artificial stone claim 1 , comprising: forming an artificial-stone paste which comprises 20˜90 parts by weight of silica stone claim 1 , metakaolin or silica fume claim 1 , 200˜300 parts by weight of quartz chips claim 1 , 30˜36 parts by weight of water claim 1 , 1.5˜3 parts by weight of water-reducing ...

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28-11-2013 дата публикации

PROCESS FOR PREPARING CONDENSATION RESINS

Номер: US20130317194A1
Принадлежит: BASF SE

The present invention relates to a new process for preparing condensation resins, constructed formally from urea, formaldehyde, and CH-acidic aldehydes. 2. The process according to claim 1 , wherein the at least one urea is urea (HN—(CO)—NH).3. The process according to claim 1 , wherein the at least one 3-hydroxypropionaldehyde derivative is selected from the group consisting of 3-hydroxy-2 claim 1 ,2-dimethylpropionaldehyde claim 1 , 3-hydroxy-2-ethyl-2-n-butylpropionaldehyde claim 1 , 3-hydroxy-2-methyl-2-n-propylpropionaldehyde claim 1 , and 3-hydroxy-2-ethyl-2-n-butylpropionaldehyde.4. (canceled)5. The process according to claim 1 , wherein said reacting occurs at a temperature of from 70 to 150° C. for a period of from 10 minutes to 6 hours.6. The process according to claim 1 , wherein said reacting occurs in the presence of an acid or a base as a catalyst and optionally in the presence of a solvent claim 1 , a diluent claim 1 , or both.7. The process according to claim 1 , wherein said reacting occurs in the presence of at least one compound (IV) which has precisely two nucleophilic groups selected from the group consisting of a hydroxyl group (—OH) claim 1 , a primary amino group (—NH) claim 1 , a secondary amino group (—NH—) claim 1 , and a thiol group (—SH).8. The process according to claim 1 , wherein said reacting occurs in the presence of at least one alcohol (V).9. The process according to claim 2 , wherein the at least one 3-hydroxypropionaldehyde derivative is selected from the group consisting of 3-hydroxy-2 claim 2 ,2-dimethylpropionaldehyde claim 2 , 3-hydroxy-2-ethyl-2-n-butylpropionaldehyde claim 2 , 3-hydroxy-2-methyl-2-n-propylpropionaldehyde claim 2 , and 3-hydroxy-2-ethyl-2-n-butylpropionaldehyde.10. The process according to claim 2 , wherein said reacting occurs at a temperature of from 70 to 150° C. for a period of from 10 minutes to 6 hours.11. The process according to claim 3 , wherein said reacting occurs at a temperature of from 70 to ...

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27-03-2014 дата публикации

METHODS FOR POLYMERING HAPTENS INTO IMMUNOGENS

Номер: US20140088286A1
Принадлежит: NATIONAL TAIWAN NORMAL UNIVERSITY

The present invention discloses methods for polymerizing non-immunogenic haptens into immunogens, which then can be used to stimulate anti-hapten antibody production in animals. Specifically, haptens with amine and/or carboxylic groups are polymerized into macromolecules by using cross-linking reagents, and the derived haptenic polymers are used to immunize animals for the production of anti-hapten antibodies. 1. A method of polymerization of haptens into immunogen , including the steps of: (A) providing a hapten-containing solution , wherein haptens in the hapten-containing solution are chemical compounds with two or more amine groups , chemical compounds with two or more carboxylic groups , or chemical compounds with one or more amine group and one or more carboxylic group; (B) adding a cross-linking reagent into the hapten-containing solution to polymerize the haptens to obtain an immunogen with molecular weight greater than 4000 Da.2. The method as claimed in claim 1 , wherein when the haptens are the chemical compounds having two or more amine groups claim 1 , the cross-linking reagent is at least one selected from the group consisting of dialdehyde claim 1 , polyaldehyde claim 1 , bis-carboxylic acid claim 1 , and poly-carboxylic acid.3. The method as claimed in claim 1 , wherein when the haptens are the chemical compounds having two or more carboxylic groups claim 1 , the cross-linking reagent is at least one selected from the group comprising glycol claim 1 , polyol claim 1 , bis-amine claim 1 , and polyamine.4. The method as claimed in claim 1 , wherein when the haptens are the chemical compounds having one or more amine group and one or more carboxylic group claim 1 , the cross-linking reagent is EDC.5. The method as claimed in claim 1 , wherein when the haptens are the chemical compounds having one or more amine group and one or more carboxylic group claim 1 , the amine group and the carboxylic group are cross-linked to each other through a dehydration ...

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12-01-2017 дата публикации

METHOD FOR TREATING KERATIN FIBRES WITH AN AMINO POLYMER AND AN ACTIVATED ESTER

Номер: US20170007528A1
Принадлежит:

The invention relates to a cosmetic process for treating keratin fibers, comprising a step of applying, to the keratin fibers, a first cosmetic composition comprising an amino polymer comprising a primary amine group, followed by a step of applying a second cosmetic composition comprising an activated ester of formula R—C(O)OAin which R denotes a C-Calkyl group, and Adenotes a particular reactive group and in particular a succinimide group. 2. Process according to the preceding claim , characterized in that the amino polymer is chosen from:{'sub': 2', '5, 'poly((C-C)alkyleneimine)s;'}poly(allylamine)polyvinylamines, vinylamine/vinylformamide copolymers;{'sub': '2', 'polyamino acids which have NHgroups;'}aminodextran;vinylamine/vinyl alcohol copolymers;acrylamidopropylamine polymers;chitosans.3. Process according to either one of the preceding claims , characterized in that the amino polymer is chosen from:polyethyleneimines;poly(allylamine);polylysine;vinylamine/vinylformamide copolymers;chitosans.4. Process according to any one of the preceding claims , characterized in that the amino polymer is a poly(allylamine).5. Process according to any one of the preceding claims , characterized in that the amino polymer has a weight-average molecular weight ranging from 200 to 1 000 000 g/mol , preferably ranging from 300 to 500 000 g/mol.6. Process according to any one of the preceding claims , characterized in that the amino polymer has a solubility in water , at 25° C. , of at least 0.1 g/l.7. Process according to any one of the preceding claims , characterized in that the amino polymer is present in the first composition in a content ranging from 0.001% to 20% by weight , relative to the total weight of the composition , preferably ranging from 0 ,001% to 10% by weight , preferentially ranging from 0.00 to 5% by weight , and more preferentially ranging from 0 ,1% to 5% by weight.8. Process according to any one of the preceding claims , characterized in that , for the ...

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28-01-2016 дата публикации

TUBULYSIN COMPOUNDS AND CONJUGATES THEREOF

Номер: US20160022829A1
Принадлежит:

A tubulysin compound conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -L-D, the protein based recognition-molecule being connected to the polymeric carrier by L. Each occurrence of D is independently a tubulysin compound having a molecular weight≦5 kDa. Land Lare distinct linkers connecting the tubulysin compound and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-tubulysin compound-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions. 2. The scaffold of claim 1 , wherein the PHF has a molecular weight ranging from 20 kDa to 150 kDa when the PBRM to be conjugated with has a molecular weight of less than 80 kDa claim 1 , mis an integer from 1 to 330 claim 1 , mis an integer from 3 to 150 claim 1 , mis an integer from 1 to 55 and the sum of m claim 1 , m claim 1 , mand m claim 1 , ranging from about 150 to about 1100.3. The scaffold of claim 2 , wherein the PHF has a molecular weight ranging from 30 kDa to 100 kDa claim 2 , mis an integer from 3 to about 100 claim 2 , mis an integer from 1 to 40 claim 2 , mis an integer from 1 to 220 and the sum of m claim 2 , m claim 2 , m claim 2 , and mranging from about 220 to about 740.4. The scaffold of claim 1 , wherein the PHF has a molecular weight ranging from 6 kDa to 20 kDa when the PBRM to be conjugated with has a molecular weight of greater than 40 kDa claim 1 , mis an integer from 2 to 20 claim 1 , mis an integer from 1 to 9 claim 1 , mis an integer from 1 to 75 and the sum of m claim 1 , m claim 1 , m claim 1 , and mranging from about 45 to about 150.5. The scaffold of claim 4 , wherein the PHF has a molecular weight ranging from 8 kDa to 15 kDa claim 4 , mis an integer from 2 to 15 claim 4 , mis an ...

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17-04-2014 дата публикации

SUNLESS TANNING COMPOSITION AND METHODS FOR USING

Номер: US20140105835A1
Автор: Roszell James A.
Принадлежит: Skinvisible Pharmaceuticals, Inc.

A sunless tanning composition is provided according to the invention. The sunless tanning composition includes an effective amount of a tanning active component to provide a darkening effect of skin tissue after exposure to the skin tissue, a polymer component, water, an effective amount of an acidifying agent to provide the composition with a pH of less than about 5, and wherein the composition has the viscosity of at least about 3,000 cSt. The polymer component can be characterized as a skin bonding polymer component to hold the tanning active component in exposure to the skin tissue when applied to the skin tissue. The polymer component can be characterized as a polymer having an average molecular weight of about 2,000 to about 500,000. A method of applying a sunless tanning composition to skin tissue is provided. 2. A sunless tanning composition according to claim 1 , wherein the composition comprises about 65 wt. % to about 95 wt. % water.3. A sunless tanning composition according to claim 1 , wherein the composition comprises a thickening agent.4. A sunless tanning composition according to claim 3 , wherein the composition comprises about 0.4 wt. % to about 1 wt. % of the thickening agent.5. A sunless tanning composition according to claim 1 , further comprising a moisturizer.6. A sunless tanning composition according to claim 5 , wherein the composition comprises about 0.5 wt. % to about 5 wt. % of the moisturizer.7. A sunless tanning composition according to claim 5 , wherein the moisturizer comprises at least one of glycerine claim 5 , pyrrolidone carboxylic acid claim 5 , or urea.8. A sunless tanning composition according to claim 1 , wherein the pH adjusting agent comprises at least one of citric acid claim 1 , lactic acid claim 1 , acetic acid claim 1 , or propionic acid.9. A sunless tanning composition according to claim 1 , wherein the composition comprises about 0.5 wt. % to about 3 wt. % of the pH adjusting agent.10. A sunless tanning composition ...

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10-02-2022 дата публикации

METHOD FOR SELECTING THE COMPOSITION OF A CONSTRUCTION MATERIAL COMPRISING AN EXCAVATED CLAY SOIL, METHOD AND SYSTEM FOR PREPARING SUCH A CONSTRUCTION MATERIAL

Номер: US20220041516A1
Принадлежит:

The invention relates to a method () for selecting the composition of a construction material including an excavated clay soil, said construction material composition to include deflocculating agent and activating agent quantities adapted to the excavated clay soil, said method including a step of receiving () a measured value of at least one physicochemical property of an excavated clay soil, and a step of selecting () a deflocculating agent quantity and an activating agent quantity adapted to the excavated clay soil. In addition, the invention also relates to a method () for calibrating a calculation algorithm for determining the composition of a site construction material, to a construction material formed from an excavated clay soil, and to a system () for preparing a construction material including an excavated clay soil. 1. A method for selecting the composition of a construction material including an excavated clay soil , said construction material composition to include deflocculating agent and activating agent quantities adapted to the excavated clay soil , said method being implemented by a computer device including a calculation module , said method including:A step of receiving, from the calculation module, a measured value of at least one physicochemical property of an excavated clay soil; andA step of selecting, by the calculation module, a deflocculating agent quantity and an activating agent quantity adapted to the excavated clay soil based on a comparison of the measured value with reference values, said reference values including correlations between prior-measured values of the at least one physicochemical property of a clay soil and deflocculating agent and activating agent quantities adapted to said clay soil to form a construction material.2. The method according to claim 1 , wherein the at least one physicochemical property is selected from: content of clays in the excavated clay soil claim 1 , nature of the clays claim 1 , particle size claim ...

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07-02-2019 дата публикации

CONSTRUCTION MATERIAL WITH AN ADMIXTURE OF FLOTATION TAILINGS AND METHOD FOR ITS PREPARATION

Номер: US20190039951A1
Принадлежит: IPANTERM SP Z O.O.

The object of the invention is a construction material containing water glass, fumed silica, ground sand and post-industrial waste material, characterised in that the post-industrial waste material constitutes dried flotation tailings with a content of 19.67-57.24% of SiO; 11.87-24.85% of CaO; 4.23-6.19% of MgO and 2.35-4.17% of AlO, and also the object of the invention is a method for preparing the construction material. 18-. (canceled)9. A construction material containing water glass , fumed silica , ground sand and post-industrial waste material , wherein the post-industrial waste material constitutes dried flotation tailings with a content of 19.67-57.24% of SiO; 11.87-24.85% of CaO; 4.23-6.19% of MgO and 2.35-4.17% of AlO.10. The construction material according to claim 9 , wherein the post-industrial waste material is constituted by waste L with a content of SiOof 57.24% claim 9 , CaO of 11.87% claim 9 , MgO of 4.23% claim 9 , AlOof 4.17%; or P with a content of SiOof 19.67% claim 9 , CaO of 24.85% claim 9 , MgO of 6.19% claim 9 , AlOof 3.25% claim 9 , or R with a content of SiOof 53.27% claim 9 , CaO of 13.88% claim 9 , MgO of 5.35% claim 9 , AlOof 3.84% or a mixture thereof at a mass ratio of 8:1:1 through 1:8:1 to 1:1:8 claim 9 , preferably 6:2:7.11. The construction material according to claim 9 , wherein it containsa) 420-378 parts of water glass,b) 110-120 parts of water,c) 25-1 parts of fumed silica,d) 43-22 parts of ground sand, ande) 50-25 parts of post-industrial waste material L, P, R or mixtures thereof in a mass ratio of 8:1:1 through 1:8:1 to 1:1:8, preferably 6:2:7.12. The construction material according to claim 9 , wherein it contains an addition of boric acid HBOin an amount of 1-5 g of the acid per 100 g of post-industrial waste material L claim 9 , P claim 9 , R or a mixture thereof.13. The construction material according to claim 11 , wherein it consists of 2.8 l of water glass; 1.2 l of water; 225 g of ground sand; 50 g of fumed silica ...

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12-02-2015 дата публикации

PROCESS FOR PREPARATION OF AMINOPLAST SOLUTIONS

Номер: US20150045500A1
Принадлежит:

The present invention relates to processes for discontinuously or continuously preparing aminoplast solutions by condensation of aminoplast formers with formaldehyde in a serial cascade of at least three stirred tank apparatus A, B, and C, which involves 118-. (canceled)19. A process for preparing an aminoplast solution by discontinuous or continuous condensation of an aminoplast former with formaldehyde in a serial cascade of at least three stirred tank apparatus A , B , and C , said process comprisinga) in apparatus A, reacting a mixture comprising formaldehyde and urea in a molar ratio of 2.3:1 to 2.9:1 and water at a pH of 6 to 8, set by means of a base, at a temperature of 80 to 85° C., where apparatus A consists of one or more stirred tanks in parallel or in series,b) in apparatus B, reacting said mixture at a molar ratio of formaldehyde to urea of 1.9:1 to 2.6:1, where apparatus B consists of one or more stirred tanks, wherein the molar ratio of formaldehyde to urea is lowered, optionally by further addition of urea, in stages to not less than 1.9:1, at a pH of 3.5 to 5.5, which is kept virtually constant, at a temperature of 100 to 105° C., and with a mean residence time of 10 to 90 minutes in the entire apparatus B,c) in apparatus C, at a temperature of 90 to 100° C., raising the pH to at least 5.9 and lowering the molar ratio of formaldehyde to urea to 1.7:1 to 1.4:1, where apparatus C consists of one or more stirred tanks, andd) by adding urea, at temperatures of 15 to 100° C., to a final molar ratio of formaldehyde to urea of 0.7:1 to 1.28:1 and a pH of at least 7.20. The process for preparing an aminoplast solution according to claim 19 , wherein the condensation of aminoplast formers with formaldehyde is carried out continuously in a cascade of stirred tanks in series.21. The process for preparing an aminoplast solution according to claim 19 , wherein the molar ratio between the mixture comprising formaldehyde and urea to water in apparatus A is 0.2:1 ...

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25-02-2016 дата публикации

CURING COMPOSITIONS AND METHODS OF PREPARING

Номер: US20160053043A1
Принадлежит:

Disclosed are curing compositions for resin systems and in particular for phenolic resin systems and epoxy resin systems, to methods of preparing the curing compositions and to resin systems incorporating same. The curing compositions of the invention are the reaction product of an aldehyde with an amine in the presence of an aprotic solvent. 1. A curing composition for a resin system comprising a reaction product of:an aldehyde; andan amine selected from the group consisting of an aminotriazine containing at least one free amino group, urea, a derivative of urea containing at least one free amino group and combinations thereof;wherein the reaction is in the presence of an aprotic solvent, and wherein the reaction product is an intermediate product.2. The curing composition of wherein the amine is an aminotriazine containing at least one free amino group.3. The curing composition of wherein the amine comprises one or more of 1 claim 1 ,3 claim 1 ,5-triazine claim 1 , melamine claim 1 , a substituted melamine claim 1 , a guanamine or a derivative of guanaimine.4. The curing composition of wherein the amine is selected from the group consisting of a 1 claim 1 ,3 claim 1 ,5-triazine claim 1 , melamine claim 1 , a substituted melamine claim 1 , a guanamine claim 1 , a derivative of guanaimine and combinations thereof.5. The curing composition of wherein the amine comprises urea claim 1 , or a derivative of urea containing at least one free amino group.6. The curing composition of wherein the amine comprises melamine or urea or a combination thereof.7. The curing composition of wherein the aprotic solvent is selected from the group consisting of perfluorohexane claim 1 , α claim 1 ,α claim 1 ,α-trifluorotoluene claim 1 , pentane claim 1 , hexane claim 1 , cyclohexane claim 1 , methylcyclohexane claim 1 , decalin claim 1 , dioxane claim 1 , carbon tetrachloride claim 1 , freon-11 claim 1 , benzene claim 1 , toluene claim 1 , triethyl amine claim 1 , carbon disulfide claim ...

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13-02-2020 дата публикации

UREA CONDENSATION COMPOSITIONS AND METHODS OF MAKING THE SAME

Номер: US20200048154A1
Принадлежит: Sabic Global Technologies B.V.

Urea-aldehyde condensation compositions, processes for preparing the same, and the use of said compositions are disclosed. The compositions can have a nitrogen content that is 100% water soluble and can be used as a fertilizer. 1. A method for producing a urea condensation composition comprising:(a) reacting a solution comprising urea, formaldehyde, and at least one C2-C4 aldehyde under basic conditions to form a first composition; and(b) acidifying the first composition to form a urea condensation composition comprising at least one urea oligomer.2. The method of claim 1 , wherein step (a) and (b) further comprises heat-treating the solution at a temperature of 25° C. to less than 100° C.3. The method of claim 1 , wherein the at least one C2-C4 aldehyde comprises butyraldehyde claim 1 , isobutyraldehyde claim 1 , crotonaldehyde claim 1 , or any combination thereof.4. The method of claim 1 , wherein the urea condensation composition comprises a nitrogen content that is 100% water soluble.5. The method of claim 1 , wherein the urea condensation composition comprises a nitrogen content that is at least 32% claim 1 , 32% to 42% claim 1 , or 35 to 38% by weight of the urea condensation composition.6. The method of claim 1 , wherein the urea condensation composition comprises a water soluble nitrogen content comprising 60% or more claim 1 , 75% or more claim 1 , 80% or more claim 1 , or 82% or more of cold water soluble nitrogen content.7. The method of claim 1 , wherein steps (a) and (b) comprise:(a) heating-treating the solution at a pH of about 8 to about 10 at a temperature of 40° C. to less than 100° C. for 30 minutes to 90 minutes, the solution comprising water, urea, formaldehyde, and isobutyraldehyde, wherein the mol. % ratio of formaldehyde to isobutyraldehyde is 9:1 to 1:3 and the mol. % ratio of urea to the combined formaldehyde and isobutyraldehyde is 2 or greater: 1;(b) acidifying the first composition from step (a) to have a pH of about 2 to about 5 to ...

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10-03-2016 дата публикации

METHODS FOR PREPARING STABLE UREA FORMALDEHYDE POLYVINYL ALCOHOL COLLOIDS

Номер: US20160068637A1
Принадлежит:

The mechanical properties of urea formaldehyde resins may be improved by incorporating therein polyvinyl alcohol. The polyvinyl alcohol may be incorporated during pre-mixing, mid mixing, and/or post mixing of the resin components. Resins prepared using polyvinyl alcohol are particularly desirable in articles requiring improved mechanical strength and water resistance, as compared to similar resins prepared without the polyvinyl alcohol such as shingles. 1. A binder prepared using a method selected from the group consisting of: a solution of formaldehyde, and', 'a urea/formaldehyde concentrate,, '(A) admixing polyvinyl alcohol with a component selected from the group consisting of admixing the first liquid working admixture with urea under reaction conditions sufficient to initiate a methylolation reaction to form a reaction product admixture of the first liquid working admixture with urea; and', 'subjecting the reaction product admixture to reaction conditions sufficient to initiate a condensation to form a polyvinyl alcohol and urea-formaldehyde resin colloid;, 'to form a first liquid working admixture and then'} a solution of formaldehyde, and', 'a urea/formaldehyde concentrate,, '(B) admixing a component selected from the group consisting ofwith urea under reaction conditions sufficient to initiate a methylolation reaction to form a reaction product admixture;subjecting the reaction product admixture to reactions conditions sufficient to initiate condensation to form a second reaction product admixture; andadmixing the second reaction product admixture with polyvinyl alcohol to from a urea-formaldehyde resin colloid; and measuring a property of the polyvinyl alcohol grafted urea-formaldehyde resin;', (a) if the property of the polyvinyl alcohol grafted urea-formaldehyde resin meets the predetermined standard, stop processing; and', adding additional polyvinyl alcohol to the polyvinyl alcohol and urea-formaldehyde resin colloid under reaction conditions, ...

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24-03-2022 дата публикации

Method of Making Chemical-Resistant Quartz-Based Concrete

Номер: US20220089495A2
Принадлежит:

A method of making a chemical-resistant concrete composition, namely a quartz-based casting composition, is provided. The quartz-based casting composition provides excellent resistance to attack by chemicals, including weak and strong acids. The quartz-based casting composition is useful as concrete in various construction applications where corrosion resistance is needed. The casting composition includes a dry component and a wet component. The dry component includes about 25% to about 100% by weight quartz and the corrosion resistance increases with increasing quartz content. 1. A method of making a chemical-resistant concrete composition , comprising the steps of:providing a dry component including about 25% to about 100% by weight quartz, zero to about 25% by weight gravel and zero to about 50% by weight concrete sand;providing a wet component including about 30% to about 60% by weight colloidal silica particles and about 40% to about 70% by weight water; andmixing the dry component and the wet component together to form the chemical-resistant concrete composition;wherein the chemical-resistant concrete composition includes about 65% to about 97% by weight of the dry component and about 3% to about 35% by weight of the wet component.2. The method of claim 1 , further comprising the steps of casting the chemical-resistant concrete composition into a shape and drying the shape to form a concrete structure.3. The method of claim 2 , wherein the concrete structure is selected from the group consisting of a part or layer for a chemical plant claim 2 , oil claim 2 , refinery claim 2 , pulp and paper plant claim 2 , wastewater treatment plant claim 2 , sulfur pit claim 2 , manhole claim 2 , sump claim 2 , floor claim 2 , roof claim 2 , drain claim 2 , gutter claim 2 , pipe claim 2 , sewer claim 2 , trench claim 2 , industrial floor and garage floors.4. The method of claim 1 , wherein the chemical-resistant concrete composition comprises about 75% to about 95% by weight ...

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02-04-2015 дата публикации

WATER REPELLENT SAND MIXTURE AND WATER REPELLENT SAND STRUCTURE

Номер: US20150090160A1
Принадлежит:

A water repellent sand mixture includes at least water repellent sand and cement at a weight ratio of 2% or more and 5% or less relative to the water repellent sand. The mixture achieves condensation between the water repellent sand particles by the hydration reaction of the cement, which improves dynamic stability. The mixture can be kept in a block shape due to such improved dynamic stability, water repellency, and less slidable surfaces of the sand particles. 1. A water repellent sand mixture comprising water repellent sand and cement ,wherein the cement has a weight ratio of 2% or more and 5% or less relative to the water repellent sand.2. The water repellent sand mixture according to claim 1 ,wherein the water repellent sand composed of particles having surfaces processed by water repellent treatment, and the water repellent sand particles have an average diameter of 50 μm or more and 500 μm or less.3. The water repellent sand mixture according to claim 1 , further comprising:sand not processed by water repellent treatment.4. The water repellent sand mixture according to claim 2 , further comprising:sand not processed by water repellent treatment.5. The water repellent sand mixture according to claim 1 ,wherein the mixture has a porosity of 39% or more and 46% or less.6. The water repellent sand mixture according to claim 2 ,wherein the mixture has a porosity of 39% or more and 46% or less.7. The water repellent sand mixture according to claim 3 ,wherein the mixture has a porosity of 39% or more and 46% or less.8. The water repellent sand mixture according to claim 4 ,wherein the mixture has a porosity of 39% or more and 46% or less.9. The water repellent sand mixture according to claim 1 ,wherein the cement is located between the water repellent sand particles and binds the water repellent sand particles to each other.10. The water repellent sand mixture according to claim 2 ,wherein the cement is located between the water repellent sand particles and binds ...

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25-03-2021 дата публикации

COMPOSITION FOR PRODUCING AQUEOUS COATING MATERIAL

Номер: US20210087111A1
Принадлежит: Heraeus Deutschland GmbH & Co. KG

A composition consisting essentially of (a) 1 to 30% by weight of a 1 to 90% by weight aqueous phosphoric acid and/or a hydrogen phosphate; (b) 1 to 40% by weight of a compound selected from the group of oxides, hydroxides and oxide hydrates of magnesium, calcium, iron, zinc and copper; (c) 40 to 95% by weight of a particulate filler selected from the group of glass; mono-, oligo- and polyphosphates of magnesium, calcium, barium and aluminium; calcium sulphate; barium sulphate; simple and complex silicates; simple and complex aluminates; simple and complex titanates; simple and complex zirconates; zirconium dioxide; titanium dioxide, aluminium oxide; silicon oxide; silicon carbide; aluminium nitride; boron nitride and silicon nitride; (d) 1 to 10% by weight of an urea compound selected from the group consisting of imidazolidine-2-on, allantoin and imidazolidinyl urea; and (e) 0 to 15% by weight of a component differing from (a) to (d). 1. A composition consisting essentially of the parts:(a) 1 to 30% by weight of a 1 to 90% by weight aqueous phosphoric acid and/or at least of one hydrogen phosphate selected from the group consisting of mono- and dihydrogen phosphates of sodium, potassium, ammonium, magnesium, calcium, aluminium, zinc, iron, cobalt and copper,(b) 1 to 40% by weight of at least one compound selected from the group consisting of oxides, hydroxides and oxide hydrates of magnesium, calcium, iron, zinc and copper,(c) 40 to 95% by weight of at least one particulate filler selected from the group consisting of glass; mono-, oligo- and polyphosphates of magnesium, calcium, barium and aluminium; calcium sulphate; barium sulphate; simple and complex silicates comprising sodium, potassium, calcium, aluminium, magnesium, iron and/or zirconium; simple and complex aluminates comprising sodium, potassium, calcium, magnesium and/or zirconium; simple and complex titanates comprising sodium, potassium, calcium, aluminium, magnesium, barium and/or zirconium; simple and ...

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07-04-2016 дата публикации

System and Method for Molding Amorphous Polyether Ether Ketone

Номер: US20160096302A1
Принадлежит:

A method for molding amorphous polyether ether ketone including steps of preparing a molten mass including polyether ether ketone, cooling a mold assembly to a temperature of at most about 200° F., and injecting the molten mass into the cooled mold assembly. 1. A method for molding comprising:preparing a molten mass comprising polyether ether ketone;cooling a mold assembly to a temperature of at most about 200° F.; andinjecting said molten mass into said cooled mold assembly.2. The method of wherein said molten mass is at a temperature ranging from about 670° F. to about 720° F.3. The method of wherein said molten mass consists essentially of said polyether ether ketone.4. The method of wherein said mold assembly defines a cavity claim 1 , and wherein said injecting step comprises injecting said molten mass into said cavity.5. The method of wherein said cooling step comprises passing a cooling fluid through said mold assembly.6. The method of wherein said cooling fluid comprises at least one of water claim 5 , glycol and air.7. The method of wherein said mold assembly is cooled to a temperature of at most about 150° F.8. The method of wherein said mold assembly is cooled to a temperature ranging from about 50° F. to about 120° F.9. The method of wherein said mold assembly is cooled to a temperature ranging from about 80° F. to about 100° F.10. The method of further comprising the step of inserting a fastener body into said mold assembly prior to said injecting step.11. The method of wherein said injecting step comprises contacting said fastener body with said molten mass.12. The method of wherein said injecting step comprising rotating a screw within a barrel to establish a flow of said molten mass.13. A system for molding comprising:a mold assembly defining a cavity and a fluid channel;a cooling system in fluid communication with said fluid channel, said cooling system supplying a cooling fluid to said fluid channel, wherein said cooling fluid cools said mold ...

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28-03-2019 дата публикации

Non-etherified reaction product of a cyclic urea and a multifunctional aldehyde

Номер: US20190092962A1
Принадлежит: ALLNEX NETHERLANDS BV

The invention relates to a coating composition comprising a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, and a crosslinkable resin having at least one kind of functional groups selected from the group consisting of hydroxyl functional groups, acid functional groups, amide functional groups, amino functional groups, imino functional groups, mercaptan functional groups, phosphine functional groups, and carbamate functional groups, characterised in that the degree of etherification, measured as the ratio «(13 O—R)/«(U) of the amount of substance n(—O—R) of alkoxy groups as substituents of the aldehyde carbon atoms of the multifunctional aldehyde chemically bound in the reaction product UA to the amount of substance «(U) of cyclic urea U chemically bound in the reaction products, is less than 0.01 mol/mol, and to a process for the preparation of the reaction product UA.

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03-07-2014 дата публикации

Polyarylene ether ketones

Номер: US20140186624A1
Принадлежит: SOLVAY SPECIALITY POLYMERS USA, LLC

The invention pertains to novel aromatic ether ketone polymers derived from bio-based feed-stocks, comprising recurring units of formula (R): wherein: —E is selected from the group consisting of: —each of R, equal to or different from each other, is selected from the group consisting of halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium; —j is zero or is an integer from 1 to 4, to a process for their manufacture and to the use of the same for manufacturing shaped articles. 7. The polymer (b-PAEK) of claim 1 , said polymer (b-PAEK) having a polydispersity index of less than 2.5.12. A method for making a membrane claim 1 , a sheet claim 1 , a film claim 1 , or a three-dimensional moulded part claim 1 , comprising processing the polyarylene ether ketone [polymer (b-PAEK)] of .13. A method according to claim 12 , wherein said polymer (b-PAEK) is processed by melt processing and/or by solution processing.14. A shaped article comprising the polymer (b-PAEK) of selected from the group consisting of melt processed films claim 1 , solution processed films claim 1 , melt process monofilaments and fibers claim 1 , solution processed monofilaments claim 1 , hollow fibers and solid fibers claim 1 , injection molded objects claim 1 , and compression molded objects.15. A membrane for bioprocessing or medical filtration comprising the polymer (b-PAEK) of claim 1 , selected from hemodialysis membranes claim 1 , membranes for food and beverage processing claim 1 , membranes for waste water treatment and membranes for industrial process separations involving aqueous media.16. A shaped article comprising the polymer (b-PAEK) of selected from films and sheets.17. A method for coating substrates comprising using the polymer (b-PAEK) of claim 1 , said method comprising using a liquid composition ...

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23-04-2015 дата публикации

METHOD FOR PRODUCING OXYMETHYLENE COPOLYMER

Номер: US20150112018A1
Принадлежит: MITSUBISHI GAS CHEMICAL COMPANY, INC.

The present invention is directed to a method for producing an oxymethylene copolymer by subjecting trioxane and 1,3-dioxolane to copolymerization using boron trifluoride or a coordination compound thereof as a catalyst, wherein the copolymerization is conducted in the presence of a steric-hindrance phenol in an amount of 0.006 to 2.0% by weight, based on the weight of the trioxane, using 0.01 to 0.07 mmol of boron trifluoride or a coordination compound thereof as a catalyst, relative to 1 mol of the trioxane, and wherein, at a point in time when the polymerization yield becomes 92% or more, the formed oxymethylene copolymer and a polymerization terminator are contacted to terminate the polymerization. 1. A method for producing an oxymethylene copolymer by subjecting trioxane and 1 ,3-dioxolane to copolymerization using boron trifluoride or a coordination compound thereof as a catalyst , comprising:conducting the copolymerization in the presence of a steric-hindrance phenol in an amount of 0.006 to 2.0% by weight, based on the weight of the trioxane, using 0.01 to 0.07 mmol of boron trifluoride or a coordination compound thereof as a catalyst, relative to 1 mol of the trioxane to form the oxymethylene copolymer, and contacting the formed oxymethylene copolymer and a polymerization terminator to terminate the polymerization when the polymerization yield has reached at least 92%.2. The method for producing an oxymethylene copolymer according to claim 1 , wherein a portion of or all of the steric-hindrance phenol is added through an inlet of a polymerizer.3. The method for producing an oxymethylene copolymer according to claim 1 , wherein the trioxane contains 0.00001 to 0.003 mmol of an amine claim 1 , relative to 1 mol of the trioxane.4. The method for producing an oxymethylene copolymer according to claim 1 , wherein the polymerization terminator is at least one compound selected from the group consisting of triphenyiphosphine claim 1 , a hindered amine claim 1 , ...

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10-07-2014 дата публикации

REFRESHING CREAM FOUNDATION IN GEL FORM

Номер: US20140194534A1
Принадлежит: L'OREAL

The present invention is directed to a cosmetic composition includes (a) at least one compound selected from a sugar silicone surfactant, a gelling agent, a polyamine and a hyperbranched polyol; and (b) at least one polar modified polymer. 120-. (canceled)21. A method for preparing an emulsion composition comprising combining (a) at least one aqueous phase comprising at least one a polyamine; and (b) at least one oil phase comprising at least one polar modified polymer to form an emulsion composition.22. The method of claim 21 , wherein the oil phase comprises at least one volatile oil.23. The method of claim 21 , wherein the oil phase comprises at least one non-volatile oil.24. The method of claim 21 , wherein the at least one polyamine is a branched polyalkyleneimine.25. The method of claim 21 , wherein the at least one polyamine is a polyethyleneimine.26. The method of claim 21 , wherein the polyamine is present in an amount of from about 0.05 to about 20% by weight claim 21 , based on the weight of the composition.27. The method of claim 26 , wherein the polar modified polymer is present in an amount of from about 1% to about 30% by weight claim 26 , based on the weight of the composition.28. The method of claim 24 , wherein the polyamine is present in an amount of from about 0.05 to about 20% by weight claim 24 , based on the weight of the composition.29. The method of claim 28 , wherein the polar modified polymer is present in an amount of from about 1% to about 30% by weight claim 28 , based on the weight of the composition.30. The method of claim 25 , wherein the polyamine is present in an amount of from about 0.05 to about 20% by weight claim 25 , based on the weight of the composition.31. The method of claim 30 , wherein the polar modified polymer is present in an amount of from about 1% to about 30% by weight claim 30 , based on the weight of the composition.32. The method of claim 21 , wherein the polar modified polymer is a polypropylene and/or ...

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16-04-2020 дата публикации

CONCRETE COMPOSITION AND PRODUCTION METHOD THEREFOR

Номер: US20200115282A1
Принадлежит:

Provided is a concrete composition, including: blast furnace slag; at least any one of expansive additive and cement; and water, wherein a unit water content of the water is 130 kg/mor less; wherein a content of the cement is 22% by mass or less relative to the blast furnace slag, and wherein a slump flow value of the concrete composition is 40 cm or greater. 1. A concrete composition , comprising:blast furnace slag;at least any one of expansive additive and cement; andwater,{'sup': 3', '3, 'wherein a content of the blast furnace slag is from 200 kg/mto 500 kg/mrelative to the concrete composition as a whole,'}{'sup': '3', 'wherein a unit water content of the water is 130 kg/mor less;'}wherein a content of the cement is 22% by mass or less relative to the blast furnace slag, andwherein a slump flow value of the concrete composition is 40 cm or greater.2. The concrete composition according to claim 1 ,wherein the slump flow value is 50 cm or greater.3. The concrete composition according to claim 1 ,{'sup': '3', 'wherein the unit water content of the water is 100 kg/mor less.'}4. The concrete composition according to claim 1 ,{'sup': '3', 'wherein a content of the expansive additive is 3 kg/mor greater.'}5. The concrete composition according to claim 1 ,{'sup': '3', 'wherein a content of the expansive additive is 5 kg/mor greater.'}6. The concrete composition according to claim 1 , further comprising:ferro-nickel slag.7. The concrete composition according to claim 1 ,wherein the content of the cement is 0% by mass relative to the blast furnace slag.8. The concrete composition according to claim 1 , further comprising:limestone.9. The concrete composition according to claim 1 ,wherein the expansive additive is lime-based expansive additive.10. A method for producing a concrete composition that comprises blast furnace slag claim 1 , at least any one of expansive additive and cement claim 1 , and water claim 1 ,{'sup': 3', '3, 'wherein a content of the blast furnace slag ...

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25-05-2017 дата публикации

GEOPOLYMER WITH NANOPARTICLE RETARDANT AND METHOD

Номер: US20170144933A1
Принадлежит: Louisiana Tech Research Corporation

A method of controlling the setting time of a geopolymer by coating aluminosilicate particles with nanoparticles to slow the geopolymerization reaction. The coating effectiveness of the nanoparticles may be enhanced by pretreating the aluminosilicate particles with a layer-by-layer assembly of polyelectrolytes. A geopolymer is formed by mixing about 39% to about 66% by weight aluminosilicate source, about 0% to about 40% by weight sand, about 19% to about 33% by weight of alkali activator solution, and about 1% to about 4% nanoparticles. 1. A composition of matter formed by the mixing of components comprising:about 39% to about 66% by weight aluminosilicate source;about 0% to about 40% by weight sand;about 19% to about 33% by weight alkali activator solution; andabout 1% to about 4% by weight nanoparticle retardant.2. The composition of matter of claim 1 , wherein the aluminosilicate source comprises fly ash claim 1 , metakaolin claim 1 , or rice husk.3. The composition of matter of claim 1 , wherein the alkali activator solution comprises sodium silicate and a sodium hydroxide solution.4. The composition of matter of claim 3 , wherein a concentration of the sodium hydroxide solution is in the range of about 10M to about 14M.5. The composition of matter of claim 3 , wherein the alkali activator solution comprises a silicate to hydroxide ratio of about 1.5.6. The composition of matter of claim 1 , wherein the nanoparticle retardant comprises halloysite nanotubes or kaolin nanoclay particles.7. The composition of matter of claim 1 , wherein the composition is formed by mixing of components comprising:about 64% to about 66% by weight aluminosilicate source;about 32% to about 33% by weight alkali activator solution; andabout 1% to about 4% by weight nanoparticle retardant.8. The composition of matter of claim 1 , wherein the composition is formed by mixing of components comprising:about 39% to about 40% by weight aluminosilicate source;about 39% to about 40% by weight ...

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16-05-2019 дата публикации

CONSTRUCTION CHEMICAL FORMULATION

Номер: US20190144340A1
Принадлежит: BASF SE

The present invention relates to a construction chemical formulation which cures rapidly and with low stress and which comprises calcium sulfate, an ettringite former, an activator, an aggregate and a polymeric binder, and also to the use of the construction chemical formulation for producing sealants, coatings, adhesives, screeds, or leveling compositions. 1. A construction chemical formulation , comprising:a) calcium sulfate in an amount of 1 to 10 wt %;b) at least one ettringite former in an amount of 1 to 10 wt %;c) at least one activator in an amount of 1 to 10 wt %;d) at least one aggregate in an amount of 20 to 87 wt %; ande) at least one polymeric binder in an amount of 10 to 50 wt %,wherein the amount of the components is based on the total weight of the solids of the components a) to e).2. The construction chemical formulation according to claim 1 , wherein the calcium sulfate is selected from the group consisting of calcium sulfate α-hemihydrate claim 1 , calcium sulfate β-hemihydrate claim 1 , anhydrite claim 1 , and mixtures thereof.3. The construction chemical formulation according to claim 1 , wherein the ettringite former is selected from the group consisting of calcium sulfoaluminate cement (CSA cement) claim 1 , sodium aluminate claim 1 , high-alumina cement claim 1 , aluminum sulfate claim 1 , and mixtures thereof.4. The construction chemical formulation according to claim 1 , wherein the ettringite former is present in an amount of 1 to 5 wt %.5. The construction chemical formulation according to claim 1 , wherein the calcium sulfate is present in the formulation in an amount of 1 to 8 wt %.6. The construction chemical formulation according to claim 1 , wherein the polymeric binder is a polymer based on (meth)acrylic esters claim 1 , vinylaromatics claim 1 , vinyl esters claim 1 , vinyl halides claim 1 , dienes claim 1 , or olefins claim 1 , or a copolymer of two or more of these monomers claim 1 , or a mixture of two or more of the polymers and/ ...

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23-05-2019 дата публикации

HARDENING OF BONDING SYSTEMS

Номер: US20190153274A1
Принадлежит: Catalytic Systems C.E.D. LTD

The present invention provides bonding systems comprising a formaldehyde-based (urea-/melamine-/phenol-/resorcinol-formaldehyde or other combination) and/or a polymeric isocyanate resin system composition for bonding ligno-cellulosic materials to form panels and/or shaped products, which contain a resin hardener, also referred to as resin catalyst, characterised in that the hardener is activated by heat. 1. A formaldehyde-based and/or a polymeric isocyanate resin system composition for bonding ligno-cellulosic materials to form panels and/or shaped products , which contain a resin hardener , also referred to as resin catalyst ,wherein the hardener is in the form of a salt formed by an acid moiety and a base moiety andwherein either the acid moiety is the residue of a volatile acid while the base moiety is the residue of a less volatile base, or the base moiety is the residue of a volatile base while the acid moiety is the residue of a less volatile acid and the more volatile moiety activates the hardening of the resin system.2. A formaldehyde-based and/or a polymeric isocyanate resin system composition for bonding ligno-cellulosic materials to form panels and/or shaped products , which contain a resin hardener , also referred to as resin catalyst ,wherein the hardener is a volatile acid or a volatile base.3. The composition of claim 1 , wherein the formaldehyde-based resin used is a urea-formaldehyde resin claim 1 , a melamine-formaldehyde resin claim 1 , a phenol-formaldehyde resin claim 1 , a resorcinol-formaldehyde resin or a combination of the afore-mentioned resins.4. The composition of claim 1 , wherein the polymeric isocyanate resin used can be derived from the reaction of diphenylmethane diisocyanate (MDI) claim 1 , toluene diisocyanalt (TDI) claim 1 , hexamethylene diisocyanate (HDI) or isophorone diisocyanate (IPDI) with poly-hydroxy functional compounds of petrochemical and/or other origin.5. The composition of claim 1 , wherein the shaped product is a ...

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18-09-2014 дата публикации

Urea mixtures and methods for making and using same

Номер: US20140262019A1
Принадлежит: Georgia Pacific Chemicals LLC

Urea mixtures and methods for making and using same are provided. In at least one specific embodiment, the urea mixture can include urea, a urea-aldehyde resin, a liquid medium, and a sugar. The urea mixture can have an aldehyde to urea molar ratio of about 0.2:1 to about 0.7:1. The urea mixture can have a sugar concentration of about 2 wt % to about 8 wt %, based on the combined weight of the urea, the urea-aldehyde resin, the liquid medium, and the sugar.

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02-07-2015 дата публикации

ADDITIVES FOR SELF-REGENERATION OF EPOXY-BASED COATINGS

Номер: US20150183919A1
Принадлежит:

Additives are described for use in high solids content epoxy-based corrosion resistant coatings in liquid form, where such additives are composed by microcapsules containing a regenerating agent dispersed in an organic solvent. 1. An additive for self-regeneration of epoxy-based coatings , comprising urea-formaldehyde microcapsules with sizes ranging from 20 to 200 microns containing a repairing agent dispersed in an organic solvent where the concentration of microcapsules dispersed in the solvent is 30% to 60% by weight.2. The additive for self-regeneration of epoxy-based coatings according to claim 1 , wherein the repairing agent is a lipophylic substance dispersed in water.3. The additive for self-regeneration of epoxy-based coatings according to claim 1 , wherein the repairing agent contained in the microcapsules is in a concentration ranging from 10% to 15% by weight of the reaction mass.4. The additive for self-regeneration of epoxy-based coatings according to claim 1 , wherein the repairing agent is selected from the group consisting of: linseed oil claim 1 , pre-polymerized linseed oil claim 1 , alkyd resins containing linseed oil claim 1 , besides tung oil claim 1 , fish oil claim 1 , and mixtures thereof.5. The additive for self-regeneration of epoxy-based coatings according to claim 1 , wherein the organic solvent is selected from the group consisting of: hydrocarbons claim 1 , alcohols claim 1 , ketones and ethers.6. The additive for self-regeneration of epoxy-based coatings according to claim 1 , said additive being added to an epoxy-based coating epoxy in a ratio of 5% to 20% of the additive by weight in relation to the epoxy-based coating in a wet base.7. An epoxy-based coating with a high solids content claim 1 , comprising the additive for self-regeneration of epoxy-based coatings according to . The present invention refers to additives for epoxy-based corrosion resistant coatings, more specifically to additives prepared from the dispersion of ...

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18-09-2014 дата публикации

PERVIOUS CONCRETE PERMEABLE GROUT

Номер: US20140272369A1
Автор: King Jonathan Todd
Принадлежит:

A water pervious concrete surface is described that is formed of a water pervious layer of concrete having interconnected voids, and a water permeable grout within the voids in the pervious layer. The permeable grout is formed of sand particles bonded in an open matrix with a two-part epoxy resin. 1. Permeable grout useful in filling the voids in pervious concrete comprising:a) sand; andb) a two-part epoxy resin binding said sand into a void matrix allowing water to pass through said grout.2. The grout of claim 1 , wherein said epoxy resin is formed by reacting a cross-linkable epoxy polymer with a cross-linking agent.3. The grout of claim 2 , wherein said polymer is a film-forming water-dispersable claim 2 , liquid that is cross-linkable at room temperature.5. The grout of claim 2 , wherein said cross-linking agent is a water-compatible polyamine.6. The grout of claim 5 , wherein said polyamine is ethylene diamine claim 5 , triethylene tetraamine claim 5 , or a mixture thereof.7. The grout of claim 1 , wherein said sand has a minimum sieve size of 12-40 and a maximum sieve size of 8-16.8. A method of filling the void in pervious concrete to reduce the accumulation of debris in the voids while allowing the penetration of water through the voids comprising:a) forming a grout by mixing sand with a cross-linkable epoxy polymer and a cross-linking agent reactable with said polymer to form a cross-linked epoxy resin; andb) brushing said grout into said voids.9. The method of claim 8 , wherein said grout is brushed into said voids to a depth of at least 0.5 inch.10. The method of claim 8 , wherein said polymer is a film-forming claim 8 , water-dispersable claim 8 , liquid that is cross-linkable at room temperature.11. The method of claim 8 , wherein said cross-linking agent is a water-compatible polyamine.12. The method of claim 11 , wherein said polyamine is ethylene diamine claim 11 , triethylene tetraamine claim 11 , or a mixture thereof.13. The method of claim 8 , ...

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18-09-2014 дата публикации

High flow urea-formaldehyde powders for particleboard and fiberboard manufacture

Номер: US20140275354A1
Принадлежит: Georgia Pacific Chemicals LLC

Particulate binder compositions made with amine-aldehyde resins and methods for making same are provided. The method for making the particulate binder composition can include spray-drying an amine-aldehyde resin having a total aldehyde compound to total amine compound molar ratio of about 1.55:1 to about 1.65:1 to produce a particulate binder composition. The particulate binder composition can have a fusion diameter of about 35 mm to about 70 mm.

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22-07-2021 дата публикации

COMPOSITE CEMENTITIOUS DISCRETE-ELEMENT FEEDSTOCK

Номер: US20210221738A1
Автор: Mueller Robert P.
Принадлежит:

A composite cementitious feedstock comprises discrete elements. Each discrete element includes mineral rock agglutinates having irregular surface regions and cavities. Super absorbent polymer (SAP) particles and cement particles are disposed on the irregular surface regions and in the cavities. A binder coheres the agglutinates, SAP particles, and cement particles. 1. A composite cementitious feedstock comprising a plurality of discrete elements , wherein each discrete element from said plurality of discrete elements includesmineral rock agglutinates, each of said agglutinates having irregular surface regions and cavities originating at said irregular surface regions,super absorbent polymer (SAP) particles, wherein at least a portion of said SAP particles are disposed on said irregular surface regions and in said cavities,cement particles, wherein at least a portion of said cement particles are disposed on said irregular surface regions and in said cavities, anda binder for cohering said agglutinates, said SAP particles, and said cement particles.2. A composite cementitious feedstock as in claim 1 , wherein each said discrete element further includes mineral sand particles claim 1 , said mineral sand particles being at least partially coated with said SAP particles.3. A composite cementitious feedstock as in claim 1 , wherein said binder comprises a water soluble material.4. A composite cementitious feedstock as in claim 1 , wherein said binder is nonflammable.5. A composite cementitious feedstock as in claim 1 , wherein said binder comprises an encapsulating outer layer of said discrete element.6. A composite cementitious feedstock as in claim 1 , wherein said binder is dispersed throughout said discrete element.7. A composite cementitious feedstock as in claim 1 , wherein said binder comprises electrostatic charges within said discrete element for generating attractive forces between said mineral rock agglutinates claim 1 , said SAP particles claim 1 , and said ...

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12-07-2018 дата публикации

METHOD OF MANUFACTURING A COMPOSITE GRANULAR GROUTING MATERIAL

Номер: US20180193811A1
Автор: Bai Sun
Принадлежит:

A method of manufacturing a composite granular grouting material according to the present invention comprises: mixing bentonite and auxiliary component; forming spherical composite granules by agritating the mixture of bentonite and auxiliary component; drying the formed composite granules; and forming bentonite layer having lower density for forming slurry outside the composite granules by mixing bentonite with the spherical composite granules and agritating the same. The grouting material according to the present invention has excellent thermal conductivity and water blocking capability. 1. A method of manufacturing a composite granular grouting material , which comprises:mixing bentonite and an auxiliary component;forming spherical composite granules by agritating the mixture of bentonite and the auxiliary component;drying the spherical composite granules; andforming bentonite layer having lower density for forming slurry outside the composite granules by mixing bentonite with the spherical composite granules and agritating the same.2. The method according to claim 1 , wherein water is sprayed during agritating.3. The method according to claim 1 , wherein said auxiliary component is any of sand claim 1 , alumina claim 1 , or graphite.4. The method according to claim 3 , wherein the mixing ratio of the bentonite to sand of the composite granules ranges from 1:1 to 1:8.5. The method according to claim 1 , wherein a binder is added to improve the mechanical strength.6. The method according to claim 1 , wherein the bentonite layer for forming slurry further includes viscosity-reducing agent or dispersant.7. The method according to claim 1 , wherein the average diameter of the composite granular grouting material ranges from 1 to 10 mm.8. The method according to claim 1 , wherein water is sprayed during agritating claim 1 , and the average diameter of the composite granular grouting material ranges from 1 to 10 mm.9. The method according to claim 1 , wherein water is ...

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27-08-2015 дата публикации

EXTRUDED FIVER REINFORCED CEMENTITIOUS PRODUCTS HAVING STONE-LIKE PROPERTIES AND METHODS OF MAKING THE SAME

Номер: US20150239781A1
Принадлежит:

A cementitious composite product that can function as a substitute for stone and solid surface materials, such as granite, marble, and engineered stone is provided. Furthermore methods for manufacturing the cementitious composite product using an extrudable cementitious composition that can be extruded or otherwise shaped into stone-like building products that can be used as a substitute for many known stone products is disclosed. In one embodiment, the cementitious composite products can be manufactured more cheaply to be as tough or tougher and more durable than stone and solid surface materials. 1. A cementitious composite product having stone-like properties , the product comprising an extrudable cementitious composition comprised of a hydraulic cement ,{'sup': 3', '3, 'aggregate, a rheology-modifying agent, and fibers substantially homogeneously distributed through the extrudable cementitious composition and included in an amount greater than about 2% (by volume of the extrudable cementitious composition), wherein the cementitious composite product has a hardness value of at least 4 MOH and a bulk density of at from about 1.3 g/cmto about 2.3 g/cm.'}232.-. (canceled) The present disclosure relates generally to cementitious building products that contain high amounts of reinforcing fibers and more particularly, to extrudable compositions for use in making ultra-high strength cementitious composite building products having stone-like properties.The success of the building and construction industry is in large part determined by the properties available for use in construction. Many materials have been used historically and currently but each has one or more significant limitations, as further described in the following chart.As the availability of high quality natural occurring materials such as stone and wood become scarcer, the need for manufactured products becomes increasingly more important. Specifically, there is a need in the design and construction of ...

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30-08-2018 дата публикации

PROCESS FOR THE MANUFACTURE OF THERMALLY CURABLE RESINS AS WELL AS RESINS OBTAINABLE BY THE PROCESS

Номер: US20180244825A1
Принадлежит: AVALON Industries AG

Processes for the manufacture of thermally curable resins contain the step of the reaction of a polycondensation-capable phenolic compound and/or of an aminoplastic forming agent with 5-hydroxymethylfurfural (HMF) under conditions leading to formation of polycondensation products. The HMF includes at least one HMF oligomer. Further, thermally curable resins produced by such processes may be used for the manufacture of a wood composite material. 1. A process for manufacturing a thermally curable resin comprising:(a) providing an aminoplastic forming agent; and(b) reacting in a reaction step the aminoplastic forming agent with 5-hydroxymethylfurfural under conditions leading to the formation of polycondensation products;wherein the 5-hydroxymethylfurfural comprises at least one 5-hydroxymethylfurfural oligomer; andwherein the proportion of the at least one 5-hydroxymethylfurfural oligomer is 0.05 wt % to 100 wt % relative to a total quantity of the 5-hydroxymethylfurfural used.2. The process according to claim 1 , wherein the reaction step is carried out at temperatures in the range of 20° C. to 140° C.3. The process according to claim 1 , wherein the mole ratio of the total quantity of the 5-hydroxymethylfurfural used to a total quantity of the aminoplastic forming agent is 0.20:1 to 3:1.4. The process according to claim 1 , wherein the proportion of the at least one 5-hydroxymethylfurfural oligomer is 0.05 wt % to 10 wt % relative to the total quantity of the 5-hydroxymethylfurfural used.5. The process according to claim 1 , wherein the at least one 5-hydroxymethylfurfural oligomer has 2 to 20 units.6. The process according to claim 1 , wherein the aminoplastic forming agent is a member selected from the group consisting of urea claim 1 , melamine claim 1 , substituted melamine claim 1 , substituted urea claim 1 , acetylene diurea claim 1 , guanidine claim 1 , thiourea claim 1 , thiourea derivative claim 1 , diaminoalkane claim 1 , diamidoalkane claim 1 , and a ...

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15-09-2016 дата публикации

HIGH FLOW UREA-FORMALDEHYDE POWDERS FOR PARTICLEBOARD AND FIBERBOARD MANUFACTURE

Номер: US20160263772A1
Принадлежит: GEORGIA-PACIFIC CHEMICALS LLC

Particulate binder compositions made with amine-aldehyde resins and methods for making same are provided. The method for making the particulate binder composition can include spray-drying an amine-aldehyde resin having a total aldehyde compound to total amine compound molar ratio of about 1.55:1 to about 1.65:1 to produce a particulate binder composition. The particulate binder composition can have a fusion diameter of about 35 mm to about 70 mm. 1. A composite product , comprising: a plurality of substrates and an at least partially cured binder , wherein the binder , prior to curing , comprises a particulate binder comprising an amine-aldehyde resin having a total aldehyde compound to total amine compound molar ratio of about 1.55:1 to about 1.65:1 , and wherein the particulate binder has a fusion diameter of about 35 mm to about 70 mm.2. The composite product of claim 1 , wherein the particulate binder has a fusion diameter of at least 40 mm to about 70 mm.3. The composite product of claim 1 , wherein the particulate binder has a stroke cure time of about 30 seconds to about 50 seconds.4. The composite product of claim 1 , wherein the particulate binder has an average particle size of about 0.1 μm to about 150 μm.5. The composite product of claim 1 , wherein the particulate binder has a packed bulk density of about 0.3 g/cmto about 0.8 g/cm.6. The composite product of claim 1 , wherein the amine-aldehyde resin comprises a urea-formaldehyde resin claim 1 , a melamine-formaldehyde resin claim 1 , or a melamine-urea-formaldehyde resin.7. The composite product of claim 1 , wherein the amine-aldehyde resin comprises a urea-formaldehyde resin.8. The composite product of claim 1 , wherein the plurality of substrates comprises glass claim 1 , carbon claim 1 , lignocellulose claim 1 , a polymer claim 1 , gypsum claim 1 , metal claim 1 , cement claim 1 , or any mixture thereof.9. The composite product of claim 1 , wherein the plurality of substrates comprises ...

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20-09-2018 дата публикации

CEMENT FORMULATION BASED ON ALUMINIUM SULPHATE WITH A SPECIFIC PROPORTION OF YE'ELIMITE SYSTEMS

Номер: US20180265410A1
Принадлежит:

The present invention corresponds to a cement formulation based on sulfoaluminate comprising a specific Ye'elimite crystal proportion having enhanced mechanical resistance, setting and low CO2 emission features. A concrete obtained when mixing said formulation with water and gypsum is further described, having a superior performance at initial ages compared to concrete obtained from Portland cement. 1. A calcium sulfoaluminate-based cement formulation , comprising:{'sub': 4', '3', '4', '3', '4', '3, "Ye'elimite (CAS) with a ratio between its orthorhombic crystalline system (o-CAS) and its cubic crystalline system (c-CAS) of 1.40 to 2.95."}Calcium sulfate (CS) with a ratio between its dihydrate and anhydrous forms lower or equal to 10and a maximum silica content of 12% (S).2. The formulation of claim 1 , wherein Ye'elimite is present in an amount between 43 to 66% and calcium sulfate is present between 9 to 25%.3. The formulation of claim 1 , further comprising among other components:{'sub': '4', 'Felite, ferrite or Brownmillerite (CAF) less or equal to 1%.'}{'sub': '2', 'Belite (CS) from 4 to 8%,'}{'sub': '3', 'Alite (CS) less or equal to 1,'}Calcite (CaO) from 0 to 4%.4. The formulation of claim 1 , optionally containing one or more of the following minerals: Gehlenite (CAS) claim 1 , tricalcium aluminate (CA) and quartz.5. The formulation of claim 1 , mixed with at least water and arids to obtain concrete.6. The formulation of claim 5 , wherein the concrete shows 25 to 30% greater performance at early ages compared to the concrete obtained from Portland cement.7. The formulation of claim 5 , wherein the concrete is characterized by having a mechanical resistance at 1 day of hydration age of between 19 to 47 Mpa claim 5 , and at 28 days of 25 to 55 Mpa.8. The formulation of claim 5 , showing quick setting compared to the concrete made with Portland cement.9. The formulation of claim 1 , wherein the Ye'elimite is obtained by sintering a mixture of: CaO (39 to 45%) ...

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18-12-2014 дата публикации

PROCESS FOR THE PREPARATION OF CEMENT, MORTARS, CONCRETE COMPOSITIONS CONTAINING CALCIUM CARBONATE - BASED FILLER(S) (PRE) - TREATED WITH ULTRAFINE (UF) FILLER(S), COMPOSITIONS AND CEMENT PRODUCTS OBTAINED AND THEIR APPLICATIONS

Номер: US20140366781A1
Принадлежит:

Process for the preparation of “High performance”, “HP”, or “FLUID”, or “technical”, cement or mortars or concrete systems or compositions (hereafter for simplicity “cements” or “cements systems” or “cement compositions” or “cements”) having an improved compacity, an improved flowability (and globally speaking a definitely improved “workability”; Product consisting of, or comprises, a blend of coarse (or optionally HP) “calcium carbonate-based filler(s)” pre-blended with at least an UF; CEMENT COMPOSITIONS incorporating the said blend or aqueous composition, namely the said blend of low or medium (or optionally HP) coarse filler(s) treated with at least one UF; USE of the said blend, or aqueous compositions and cement composition. 1. Process for the preparation of “High performance” , “HP” , or “FLUID” , or “technical” , cement or mortars or concrete systems or compositions (hereafter for simplicity “cements” or “cements systems” or “cement compositions” or “cements”) having an improved compacity , an improved flowability (and globally speaking a definitely improved “workability” , characterized in that it comprises at least one step in whichlow or medium (or standard) (or optionally HP), coarse, carbonate-based filler(s)is/are upgraded to an HP or FLUID grade by treatment with an efficient amount of at least one treating agent consisting of, or comprising, ultrafine filler(s) particles or “UF(s)”.2. Process according to characterized in that the said upgrade is performed by blending or mixing the said coarse filler(s) with the said ultrafine filler(s) UF(s).3. Process according to characterized in that it is conducted in the presence of a small amount of a fluidifier.4. Process according to characterized in that the said amount or proportion of fluidifier is from 3 and 4 g of fluidifier claim 3 , such as 3.4-3.7 g claim 3 , preferably 3.5 g 0.03 to 2% by dry weight/total weight of the cement composition.5. Process according to characterized in that the said UF ...

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18-11-2021 дата публикации

LIGHTWEIGHT FIBER-REINFORCED CEMENT MATERIAL

Номер: US20210355029A1
Принадлежит: TPI Polene Public Company Limited

The present invention provides a fiber-reinforced cement composition comprising; cement, fiber, silica, filler, expanded perlite, and polymer. The fiber-reinforced cement composition according to the present invention has low density, high toughness and flexural strength, and not contains volatile composition. When it is molded into workpiece, the workpiece is lightweight, easy to be cut and/or lathed into desired shapes, drilled and fixed with screws and/or repeatedly nailed at the same position, tolerant to humidity, termites and insects, inflammable and does not produce powder when cut, drilled and/or lathed that is hazardous to the workers. Therefore, it is suitably applicable for being utilized as a material for manufacturing furniture parts. 1. A fiber-reinforced cement composition comprising a cement , a fiber , a silica , and a filler , said composition further comprising an expanded perlite and a polymer.2. The fiber-reinforced cement composition according to claim 1 , having a density in the range of about 0.8 to about 0.9 g/cm.3. The fiber-reinforced cement composition according to claim 1 , having a flexural strength in the range of about 9.5 to about 12 MPa.4. The fiber-reinforced cement composition according to claim 1 , having a toughness in the range of about 2 claim 1 ,100 to about 2 claim 1 ,300 J/m.5. The fiber-reinforced cement composition according to claim 1 , having an amount of the expanded perlite in the range of about 5% to about 15% by weight.6. The fiber-reinforced cement composition according to claim 1 , having an amount of the polymer in the range of about 5% to about 15% by weight.7. The fiber-reinforced cement composition according to claim 6 , wherein the polymer is in the form of powder claim 6 , a slurry claim 6 , or a suspension.8. The fiber-reinforced cement composition according to claim 6 , wherein the polymer is selected from the group consisting of acrylonitrile-butadiene-styrene claim 6 , polyethylene and its derivatives ...

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25-11-2021 дата публикации

Chemical-Resistant Quartz-Based Casting Composition

Номер: US20210363060A1
Принадлежит: Magneco/Metrel, Inc.

A quartz-based casting composition provides excellent resistance to attack by chemicals, including weak and strong acids. The quartz-based casting composition is useful as concrete in various construction applications where corrosion resistance is needed. The casting composition includes a dry component and a wet component. The dry component includes about 25% to about 100% by weight quartz and the corrosion resistance increases with increasing quartz content. 1. A quartz-based casting composition , comprising a dry component and a wet component;the dry component including about 25% to about 100% by weight quartz, zero to about 25% by weight gravel and zero to about 50% by weight concrete sand;the wet component including about 30% to about 60% by weight colloidal silica particles and about 40% to about 70% by weight water;wherein the quartz-based casting composition includes about 65% to about 97% by weight of the dry component and about 3% to about 35% by weight of the wet component.2. The quartz-based casting composition of claim 1 , comprising about 75% to about 95% by weight of the dry component and about 5% to about 25% by weight of the wet component.3. The quartz-based casting composition of claim 1 , wherein the dry component further comprises about 1% to about 10% by weight microsilica.4. The quartz-based casting composition of claim 2 , wherein the dry component comprises about 2% to about 5% by weight of the microsilica.5. The quartz-based casting composition of claim 1 , wherein the colloidal silica has a median particle diameter of about 1-100 nanometers.6. The quartz-based casting composition of claim 1 , wherein the dry component includes about 50% to about 99% by weight quartz.7. The quartz-based casting composition of claim 6 , wherein the quartz has a size distribution such that about 10-35% by weight of the quartz has a particle size ranging from 0.5 inch to 6 mesh (12 claim 6 ,700 to 3360 microns) claim 6 , about 20-45% by weight of the quartz has ...

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12-10-2017 дата публикации

STRENGTHENING RESINS FOR PAPER PRODUCTS

Номер: US20170292222A1
Принадлежит: GEORGIA-PACIFIC CHEMICALS LLC

Resin compositions, products made therewith, and methods for making such resin compositions and products. The resin composition can include a polyamide-epihalohydrin resin, a cationic styrene maleimide resin, and a urea-formaldehyde resin. The polyamide-epihalohydrin resin can include a reaction product of a polyamidoamine and an epihalohydrin. The cationic styrene maleimide resin can include a reaction product of a styrene maleic anhydride copolymer and an amine compound. The product can include a fiber web and an at least partially cured resin composition. The resin composition, prior to curing, can include a polyamide-epihalohydrin resin, a cationic styrene maleimide resin, and a urea-formaldehyde resin. The polyamide-epihalohydrin resin can include a reaction product of a polyamidoamine and an epihalohydrin. The cationic styrene maleimide resin can include a reaction product of a styrene maleic anhydride copolymer and an amine compound. 1. A fiber mixture , comprising:a plurality of fibers; and about 10 wt % to about 80 wt % of a polyamide-epihalohydrin resin comprising a reaction product of a polyamidoamine and an epihalohydrin;', 'about 10 wt % to about 80 wt % of a cationic styrene maleimide resin comprising a reaction product of a styrene maleic anhydride copolymer and an amine compound; and', 'about 10 wt % to about 80 wt % of a urea-formaldehyde resin, wherein the weight percent values of the polyamide-epihalohydrin resin, the cationic styrene maleimide resin, and the urea-formaldehyde resin are based on a combined solids weight of the polyamide-epihalohydrin resin, the cationic styrene maleimide resin, and the urea-formaldehyde resin., 'a resin composition comprising2. The fiber mixture of claim 1 , wherein the plurality of fibers comprises cellulosic fibers claim 1 , synthetic fibers claim 1 , or a mixture thereof.3. The fiber mixture of claim 1 , wherein the plurality of fibers comprises cellulosic fibers.4. The fiber mixture of claim 1 , wherein the ...

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10-09-2020 дата публикации

Thermal Management and/or EMI Mitigation Materials Including Coated Fillers

Номер: US20200287253A1
Принадлежит:

Disclosed are exemplary embodiments of thermal management and/or electromagnetic interference (EMI) mitigation materials including coated fillers (e.g., coated thermally-conductive, electrically-conductive, dielectric absorbing, and/or electromagnetic wave absorbing particles, sand particles coated with a binder, other coated functional fillers, combinations thereof, etc.). For example, a thermal management and/or EMI mitigation material may comprise a thermal interface material (TIM) including one or more coated fillers (e.g., coated thermally-conductive particles, sand particles coated with a binder, etc.), whereby the TIM is suitable for providing a thermal management solution for one or more batteries and/or battery packs (e.g., a battery pack for electric vehicle, etc.), or other device(s), etc. 1. A thermal management and/or electromagnetic interference (EMI) mitigation material comprising filler and a coating on the filler , wherein:the filler comprises sand; and/orthe filler has one or more properties of being thermally conductive, electrically conductive, dielectric absorbing, and/or electromagnetic wave absorbing; and/orthe thermal management and/or EMI mitigation material is granular, has a consistency similar to wet sand, and/or is configured to generally hold a basic shape when formed into the basic shape.2. The thermal management and/or EMI material of claim 1 , wherein:the coating comprises a binder; andthe filler is coated with the binder.3. The thermal management and/or EMI mitigation material of claim 2 , wherein:the filler comprises sand particles coated with the binder; and/orthe filler is coated with a surface coating under the binder to improve adhesion with the binder.4. The thermal management and/or EMI mitigation material of claim 2 , wherein the binder comprises a hydroxyl-terminated polymer cross-linked by a cross-linking agent.5. The thermal management and/or EMI mitigation material of claim 4 , wherein:the hydroxyl-terminated polymer ...

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05-11-2015 дата публикации

AURISTATIN COMPOUNDS AND CONJUGATES THEREOF

Номер: US20150314008A1
Принадлежит:

An auristatin compound conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -L-D, the protein based recognition-molecule being connected to the polymeric carrier by L. Each occurrence of D is independently an auristatin compound having a molecular weight ≦5 kDa. Land Lare distinct linkers connecting the auristatin compound and PBRM to the polymeric earner respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-auristatin compound-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions. 2. The scaffold of claim 1 , wherein the at least one of a claim 1 , w claim 1 , and y is not 0.6. The scaffold of claim 5 , wherein Ris isopropyl or —(CH)NHCONH.98. The scaffold of any of - claims 1 , wherein a is 0.1312. The scaffold of any of - claims 1 , wherein the PHF has a molecular weight ranging from 20 kDa to 150 kDa when the PBRM to be conjugated with has a molecular weight of less than 80 kDa claims 1 , mis an integer from 1 to 330 claims 1 , mis an integer from 3 to 150 claims 1 , mis an integer from 1 to 55 and the sum of m claims 1 , m claims 1 , mand m claims 1 , ranging from about 150 to about 1100.14. The scaffold of claim 13 , wherein the PHF has a molecular weight ranging from 30 kDa to 100 kDa claim 13 , mis an integer from 3 to about 100 claim 13 , mis an integer from 1 to 40 claim 13 , mis an integer from 1 to 220 and the sum of m claim 13 , m claim 13 , m claim 13 , and mranging from about 220 to about 740.1512. The scaffold of any of - claims 1 , wherein the PHF has a molecular weight ranging from 6 kDa to 20 kDa when the PBRM to be conjugated with has a molecular weight of greater than 40 kDa claims 1 , mis an integer from 2 to 20 claims 1 , mis an integer from 1 to 9 claims 1 , mis an ...

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26-10-2017 дата публикации

PROCESSES FOR INCREASING DENSITY OF POLYMER FLAKES AND POWDERS

Номер: US20170306075A1
Принадлежит:

The present disclosure is directed to improved poly(arylene ether ketone) powders for use in laser sintering, powder coating, compression molding, or transfer molding. 1. A method comprising:comminuting a sheet, the sheet formed by compacting a first poly(arylene ether ketone) (PAEK) powder or a first mixture of PAEK powders, to form a second PAEK powder or second mixture of PAEK powders;wherein the second PAEK powder or second mixture of PAEK powders has a median particle diameter of between about 10 microns and about 2000 microns and a bulk density that is at least 9% greater, as compared to an uncompacted PAEK powder or mixture of PAEK powders having a median particle diameter of between about 10 microns and about 2000 microns.2. The method of claim 1 , wherein the particle size of the second powder or mixture of powders is between about 250 microns and about 2000 microns.3. The method of claim 1 , wherein the particle size of the second powder or mixture of powders is between about 10 microns and 150 microns.4. The method of claim 1 , wherein the sheet is compacted at a pressure of about 500 psi or greater.5. The method of claim 1 , wherein the PAEK is polyetherketoneketone (PEKK).6. The method of claim 1 , wherein the bulk density of the second powder or mixture of powders is 0.30 g/cmor greater.7. The method of claim 1 , wherein the bulk density of the second powder or mixture of powders is 0 claim 1 ,32 g/cmor greater.8. The method of claim 1 , wherein the bulk density of the second powder or mixture of powders is 0.36 g/cmor greater.9. The method of claim 1 , wherein the compacting is by roll compacting.10. A powder comprising PAEK or a mixture of PAEKs and having a median particle diameter of between 250 microns and about 2000 microns and a bulk density of greater than 0.3 g/cm.11. The powder of claim 10 , having a bulk density of greater than 0.3 g/cmand less than 0.90 g/cm.12. The powder of claim 10 , having a bulk density of 0.32 g/cmor greater.13. The ...

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24-09-2020 дата публикации

NOVEL MATERIAL AND PRODUCTION THEREOF FOR USE AS STORAGE MEDIUM IN A SENSITIVE ENERGY STORAGE SYSTEM IN THE LOW-; MEDIUM- OR HIGH TEMPERATURE SECTOR

Номер: US20200299189A1
Принадлежит:

The present invention relates to a modified red sludge or a modified bauxite residue and processes for producing same, and to a storage medium comprising a modified red sludge, a heat store comprising a storage medium and numerous uses of a It modified red sludge as storage medium, more particularly in a heat store system. The modified red sludge here contains the following components: —haematite (FeO), —corundum (AlO), —rutile (TiO) and/or anatase (TiO), —quartz (SiO), —optionally perovskite (CaTiO) and —optionally pseudobrookite ((Fe, Fe2+)(Ti, Fe)O) and/or nepheline ((Na,K)[AlSiO]). A novel material is thus provided, and production thereof is described for use as storage medium in a sensitive energy storage system in the low-, medium- or high-temperature sector. 131-. (canceled)32. A modified red mud comprising:{'sub': 2', '3, 'haematite (FeO),'}{'sub': 2', '3, 'corundum (AlO),'}{'sub': 2', '2, 'rutile (TiO) and/or anatase (TiO), and'}{'sub': '2', 'quartz (SiO).'}33. The modified red mud of further comprising at least one of perovskite (CaTiO) and pseudobrookite ((Fe claim 32 ,Fe)(Ti claim 32 ,Fe)O).34. The modified red mud of further comprising nepheline ((Na claim 32 ,K)[AlSiO]).35. The modified red mud of comprising:{'sub': 2', '3, '48 to 55% by weight of haematite (FeO),'}{'sub': 2', '3, '13 to 18% by weight of corundum (AlO),'}{'sub': 2', '2, '8 to 12% by weight of rutile (TiO) and/or anatase (TiO), and'}{'sub': '2', '2 to 5% by weight of quartz (SiO).'}36. The modified red mud of claim 32 , wherein the modified red mud has a density in the range from 3.90 to 4.0 g/cm.37. The modified red mud of claim 32 , wherein the modified red mud has a mean particle size d50 in the range from 3 to 10 μm.38. The modified red mud of claim 32 , wherein the modified red mud has a particle size d10 in the range from 0.5 to 2.5 μm and/or a particle size d90 in the range from 15 to 50 μm.39. The modified red mud of claim 32 , wherein the modified red mud has a specific thermal ...

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09-11-2017 дата публикации

SYSTEM AND METHOD FOR MOLDING AMORPHOUS POLYETHER ETHER KETONE

Номер: US20170320250A1
Принадлежит: The Boeing Company

A method for molding amorphous polyether ether ketone including steps of preparing a molten mass including polyether ether ketone, cooling a mold assembly to a temperature of at most about 200° F., and injecting the molten mass into the cooled mold assembly. 1. A system for molding comprising:a mold assembly defining a cavity and a fluid channel;a cooling system in fluid communication with said fluid channel, said cooling system supplying a cooling fluid to said fluid channel, wherein said cooling fluid cools said mold assembly to a temperature of at most about 200° F.; anda polymer injection subsystem in fluid communication with said cavity, said polymer injection subsystem supplying a molten mass to said cavity, said molten mass comprising polyether ether ketone.2. The system of further comprising a fastener body positioned in said mold assembly.3. The system of wherein said cooling fluid cools said mold assembly to a temperature ranging from about 80° F. to about 100° F.4. The system of wherein said polymer injection subsystem supplies said molten mass at a temperature ranging from about 670° F. to about 720° F.5. The system of wherein said molten mass consists essentially of said polyether ether ketone.6. The system of wherein said cooling fluid comprises at least one of water claim 1 , glycol and air.7. The system of wherein said cooling fluid cools said mold assembly to a temperature of at most about 150° F.8. The system of wherein said cooling fluid cools said mold assembly to a temperature ranging from about 50° F. to about 120° F.9. The system of wherein said cooling fluid cools said mold assembly to a temperature ranging from about 80° F. to about 100° F.10. The system of wherein said polymer injection subsystem comprises a screw rotatable within a barrel.11. A system for molding a dielectric layer onto a head of a fastener body claim 1 , said fastener body comprising said head and a shaft claim 1 , said system comprising:a mold assembly defining a cavity ...

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09-11-2017 дата публикации

SYSTEM AND METHOD FOR MOLDING AMORPHOUS POLYETHER ETHER KETONE

Номер: US20170320251A1
Принадлежит: The Boeing Company

A method for molding amorphous polyether ether ketone including steps of preparing a molten mass including polyether ether ketone, cooling a mold assembly to a temperature of at most about 200 ° F., and injecting the molten mass into the cooled mold assembly. 1. A fastener comprising:a fastener body; anda portion of polyether ether ketone connected to said fastener body, said polyether ether ketone having a crystallinity of at most about 15 percent.2. The fastener of wherein said polyether ether ketone has a crystallinity of at most about 10 percent.3. The fastener of wherein said polyether ether ketone has a crystallinity of at most about 5 percent.4. The fastener of wherein said polyether ether ketone has a crystallinity of at most about 2 percent.5. The fastener of wherein said polyether ether ketone has a crystallinity of at most about 1 percent.6. The fastener of wherein said polyether ether ketone has a crystallinity of about 0 percent.7. The fastener of wherein said fastener body is formed from a metallic material.8. The fastener of wherein said fastener body comprises titanium.9. The fastener of wherein said fastener body comprises a shaft and a head claim 1 , and wherein said portion is connected to said head.10. The fastener of wherein said portion is connected to a top of said head.11. The fastener of wherein said shaft is threaded.12. The fastener of wherein said head comprises at least one engagement feature.13. The fastener of wherein said engagement feature comprises an undercut protrusion.14. A fastener comprising:a fastener body comprising polyether ether ketone having a crystallinity of at most about 15 percent.15. The fastener of wherein said polyether ether ketone has a crystallinity of at most about 10 percent.16. The fastener of wherein said polyether ether ketone has a crystallinity of at most about 5 percent.17. The fastener of wherein said polyether ether ketone has a crystallinity of at most about 2 percent.18. The fastener of wherein said ...

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10-10-2019 дата публикации

Triazine-Precondensate-Aldehyde Condensation Products and Method for Obtaining the Same

Номер: US20190309119A1
Принадлежит:

The present invention relates to a triazine-precondensate-aldehyde condensation product obtainable by reacting a) at least one triazine compound of the general formulae (I), b) at least one aldehyde, and c) at least one triazine precondensate of the general formula (II). A method for obtaining a condensation product and a wood based panel are also disclosed. 2. The condensation product according to claim 1 , wherein Qis a linear or branched C-C-alkyl claim 1 , C-C-cycloalkyl and linear or branched C-C-alkenyl.3. The condensation product according to claim 1 , wherein Qis a linear or branched C-Calkyl.4. The condensation product according to claim 1 , wherein the moieties R claim 1 , R claim 1 , R claim 1 , R claim 1 , Rand Rare H or a C-Calkyl comprising in one or more cases at least one OH substituent.5. The condensation product according to claim 1 , wherein the moieties R claim 1 , R claim 1 , R claim 1 , R claim 1 , Rand Rare in each case H and Ris a C-Calkyl.6. The condensation product according to claim 1 , wherein the at least one triazine of general formulae (I) is selected from a group comprising melamine claim 1 , acetoguanamine claim 1 , benzoguanamine or alkylated melamine and optionally that at least one further amino compound is added.7. The condensation product according to claim 1 , wherein the at least one aldehyde is formaldehyde.8. The condensation product according to claim 1 , wherein the molar ratio of the at least one aldehyde to the at least one triazine of general formulae (I) claim 1 , and the at least one precondensate of the general formulae (II) is in each case in a range between 0.4:1 and 3:1.9. The condensation product according to claim 1 , comprising an average molar mass M between 400 and 5000 g/mol.10. The condensation product according to claim 1 , comprising a storage stability between 1 and 40 days.11. A method for obtaining a condensation product according to comprising:providing at least one triazine of general formulae (I), ...

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24-11-2016 дата публикации

MULTIFUNCTIONAL CEMENT COMPOSITES WITH LOAD-BEARING AND SELF-SENSING PROPERTIES

Номер: US20160340245A1

A method for creating multifunctional cementitious composites that provide load-bearing and self-sensing properties. The method involves dispersing conductive nanomaterials (e.g., multi-walled carbon nanotubes) into a polymer (e.g., latex) material from which a thin film is created and deposited (e.g., sprayed) onto aggregates, which after drying, can be incorporated with cementitious materials and desired liquids and cast, along with sufficient number of electrodes, into a form for curing. After curing, the resultant structure can be electrically tested through the electrodes, for structural characteristics, including determination of damage severity and location using back-calculation utilizing electrical resistance tomography (ERT), or electrical impedance tomography (EIT), to generate a spatial resistivity map (distribution). 1. A method of producing a multifunctional cement composite concrete with self-sensing properties , the method comprising:(a) producing a nanomaterial-polymer solution;(b) coating aggregate particles with a thin film of said solution; and(c) mixing the coated aggregate particles with a cementitious composition into a mortar or concrete composition;(d) wherein said mortar or concrete composition has a characteristic resistivity and strain sensitivity; and(e) wherein damage or defects in a cast structure made with the cementitious mortar or concrete composition can be determined by resistivity differences.2. The method as recited in claim 1 , wherein said conductive nanomaterial-polymer solution comprises conductive nanomaterials added to a polymeric material claim 1 , the combination dispersed with a low concentration aqueous surfactant solution into a thin film solution.3. The method as recited in claim 1 , wherein said aggregate particles comprise small aggregates and/or large aggregates.4. The method as recited in claim 1 , wherein the coated aggregate particles are mixed with a cementitious mortar composition in a desired aggregate to ...

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01-12-2016 дата публикации

SYSTEMS AND PROCESSES FOR MAKING A POLY(VINYL ACETAL) RESIN WITH ENHANCED PARTICLE TRANSPORT AND RECOVERY

Номер: US20160347898A1
Принадлежит: Solutia Inc.

Processes and systems for making a poly(vinyl acetal) resin particles are provided. The processes and systems described herein utilize one or more methods, including, for example, slurry dilution and/or filtration of various process streams, to optimize the transport and recovery of the poly(vinyl acetal) resin particles. Systems and processes described herein facilitate increased production of the final resin product by minimizing product loss and maximizing on-line operation time and production flexibility. 1. A process for producing a poly(vinyl acetal) resin , said process comprising:(a) reacting a poly(vinyl alcohol) and an aldehyde in a reaction zone to produce poly(vinyl acetal) resin particles;(b) contacting at least a portion of said poly(vinyl acetal) resin particles with a wash liquid in a wash zone;(c) recovering a substantial portion of said poly(vinyl acetal) resin particles from a liquid phase comprising at least a portion of said wash liquid using at least one solid-liquid separator in a separation zone, wherein said solid-liquid separator produces a solids-rich material and a solids-depleted stream, wherein said solids-rich material comprises said poly(vinyl acetal) resin particles in an amount of at least 50 weight percent, wherein said solids-depleted stream comprises separated liquids in an amount of at least 90 weight percent and said poly(vinyl acetal) resin particles in an amount in the range of from 0.001 to 10 weight percent;(d) filtering said solids-depleted stream using at least one filtration device comprising one or more cross-flow filter elements to thereby produce a solids-enriched retentate stream and a solids-depleted permeate stream, wherein said retentate stream comprises a higher concentration of said poly(vinyl acetal) resin particles than said permeate stream; and(e) combining at least a portion of said poly(vinyl acetal) resin particles from said retentate stream with other of said poly(vinyl acetal) resin particles downstream ...

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01-12-2016 дата публикации

SYSTEMS AND PROCESSES FOR MAKING A POLY(VINYL ACETAL) RESIN WITH ENHANCED PARTICLE TRANSPORT AND RECOVERY

Номер: US20160347899A1
Принадлежит: Solutia Inc.

Processes and systems for making a poly(vinyl acetal) resin particles are provided. The processes and systems described herein utilize one or more methods, including, for example, slurry dilution and/or filtration of various process streams, to optimize the transport and recovery of the poly(vinyl acetal) resin particles. Systems and processes described herein facilitate increased production of the final resin product by minimizing product loss and maximizing on-line operation time and production flexibility. 1. A process for producing a poly(vinyl acetal) resin , said process comprising:(a) contacting a particle slurry comprising a plurality of poly(vinyl acetal) resin particles with a wash liquid in at least one wash vessel to thereby provide a plurality of washed poly(vinyl acetal) resin particles and a liquid phase comprising at least a portion of said wash liquid;(b) passing a portion of said liquid phase through at least one cross-flow filter element disposed within the interior of said wash vessel to provide a solids-depleted permeate phase, wherein said permeate phase comprises a lower concentration of said poly(vinyl acetal) resin particles than said particle slurry;(c) removing at least a portion of said permeate phase from said wash vessel as a spent wash liquid stream; and(d) recovering at least a portion of said washed poly(vinyl acetal) resin particles remaining in said wash vessel in a downstream recovery zone,wherein said contacting is carried out in a batch mode or in a single wash vessel.2. The process of claim 1 , wherein the total solids content of said permeate phase is less than 5 weight percent.3. The process of claim 2 , wherein the average particle size of the particles in said permeate phase is less than 30 microns.4. The process of claim 1 , wherein claim 1 , prior to said contacting claim 1 , said particle slurry has an average temperature of at least 60° C.5. The process of claim 1 , wherein said contacting further comprises agitating ...

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17-12-2015 дата публикации

New uses of condensation resins

Номер: US20150361262A1
Принадлежит: BASF SE

The present invention relates to new uses of condensation resins made from urea, formaldehyde, and CH-acidic aldehydes.

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28-03-1989 дата публикации

Acetal polymer bonded articles and method of making same

Номер: US4816107A
Принадлежит: Hoechst Celanese Corp

Oxymethylene polymer bonded articles, such as multilayer laminates, are disclosed. Such articles are prepared by bonding together at least two articles shaped or molded from crystalline oxymethylene homo-, co- and terpolymers using, as an adhesive, a low Tg copolymer of trioxane and 1,3-dioxolane which have a dioxolane content greater than 65 mol percent and less than about 75 mol percent and an IV of from about 1.0 to about 2.3, and which are non-crystalline at room temperature or above.

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05-11-2003 дата публикации

Aggregate and mixtures containing said aggregate, for making autoclave hardened building materials

Номер: EP1359129A2
Принадлежит: Stephan Schmidt KG

Aggregate for producing autoclave-hardened structural materials, e.g. sand-lime bricks, cement concrete components, etc., comprises a mineral filler with not less than 60, preferably 75 wt.% silicon oxide and not less than 40 wt.% very fine fraction finer than 2 microns. An Independent claim is also included for a premix of quicklime, cement or other components with the cited aggregate.

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01-02-2007 дата публикации

Härterzusammensetzung für aminoplastharz

Номер: WO2007012615A1
Принадлежит: BASF AKTIENGESELLSCHAFT

Die vorliegende Erfindung betrifft Härterzusammensetzungen für Aminoplastharze umfassend a) eine Säure, ein saures Salz und/oder eine säuregenerierende Substanz und b) eine Aminoplastharz-Dispersion umfassend Aminoplastharzkondensate, wobei das Aminoplastharzkondensat der Komponente (b) eine Restaktivität von kleiner gleich 100 J/g und einen mittleren Teilchendurchmesser von 0,1 bis 20 µm aufweist. Ferner betrifft die vorliegende Erfindung eine Aminoplastharz-Dispersion und ihre Herstellweise.

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12-06-1984 дата публикации

Aminoplast resins, dispersions, and low flammability cellular and non-cellular polyurethane products prepared therefrom

Номер: US4454254A
Принадлежит: BASF Wyandotte Corp

Aminoplast resin is prepared by reacting urea or melamine with formaldehyde in the presence of a stabilizer compound. Dispersions of the resin in a polyol reacted with a polyisocyanate produce polyurethane products having low flammability properties.

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31-12-2019 дата публикации

Sposób wytwarzania żywic melaminowo-mocznikowo-formaldehydowych

Номер: PL233957B1
Принадлежит: BASF SE

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04-02-1933 дата публикации

Verfahren zur Herstellung von Harnstoff-Formaldehyd-Kondensationsprodukten

Номер: DE569342C
Автор:

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20-12-2019 дата публикации

一种浸渍用改性脲醛树脂及其制备方法

Номер: CN110591031A
Автор: 孙海强, 施晓旦, 赵吉, 郑璐
Принадлежит: Shanghai Changfa New Materials Co Ltd

本发明公开了一种浸渍用改性脲醛树脂及其制备方法,所述浸渍用改性脲醛树脂采用尿素、甲醛、胶液在一定的工艺条件下控制其pH值合成而得。所述浸渍用改性脲醛树脂由如下质量份数的组分制备而成:甲醛10‑150份,胶液1‑70份,水10‑90份,尿素10‑100份。本发明合成的脲醛树脂甲醛释放量较低,强度高于国家二类板标准,本发明采用的胶液取至于造纸行业的废弃物,本身具有使用性能好,节能环保,价格低。

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26-06-2020 дата публикации

一种超低甲醛释放脲醛树脂合成方法

Номер: CN111333799A
Автор: 胡荣汉

一种超低甲醛释放脲醛树脂合成方法,本发明涉及一种化工有机高分子聚合反应领域,特别针对脲醛树脂胶粘剂剂合成领域。本发明包括四步工艺:首先高浓甲醛水溶液与配方使用量的25~50%尿素反应合成预缩醛,后与尿素弱碱条件下的加成反应,酸性条件下缩合反应,大豆水解蛋白作用下的熟化反应。大豆水解蛋白含有多种小分子氨基酸,这些氨基酸中的氨基、羟基与游离甲醛发生缩聚反应和缩醛反应,形成大分子之间交联的网状结构的聚合物,封闭大量的亲水基团,捕捉未反应的游离甲醛,使合成的脲醛树脂中游离甲醛含量低于国家新颁布的E1标准(GB18580‑2017气候箱法),达到超低甲醛释放。

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11-03-1954 дата публикации

Verfahren zur Herstellung von Harnstoff-Formaldehyd-Kondensationsprodukten

Номер: DE906374C
Принадлежит: Bergwerksverband GmbH

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10-02-1977 дата публикации

Urea formaldehyde binders for chipboard - giving reduced free formaldehyde emission

Номер: DE2623607A1
Принадлежит: Leuna Werke GmbH

Urea-formaldehyde binders for wood chipboard having reduced emission are made by (a) condensing urea (U) with formaldehyde (F) in the presence of ammonia at >100 degrees C in aq. soln. using a mol ratio U/F of 1:1.8-1:2.5 and a mol ratio U/NH3 of 1:0.04-1:0.2 with backflowing mixing for 10-60 mins. at 100-140 degrees C and a pressure of 1-4 atm., (b) in a second stage, condensing at 40-80 degrees C with the pH adjusted to 7-8 with an alkali and using a U/F ratio of 1:1.4-4:1.6, opt. with backflow mixing and (c) concentrating the condensate at 40-80 degrees C under a pressure of 40-600 mm Hg. Prod. gives very low concn. of free formaldehyde in the atmos. in use to comply with pollution and toxicity requirements.

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28-08-1991 дата публикации

Polymerisation process

Номер: GB9115372D0
Автор: [UNK]
Принадлежит: SINVENT AS

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06-05-2010 дата публикации

ポリアセタール樹脂組成物及びその製造方法

Номер: WO2010050187A1
Принадлежит: 旭化成ケミカルズ株式会社

 本発明は、ポリアセタール樹脂と、ヒドラジン誘導体と、そのヒドラジン誘導体の融点を低下させる化合物とを含有する原料組成物から得られるポリアセタール樹脂組成物であって、ヒドラジン誘導体と上記化合物との混合物がT1<T2かつT1<T3の条件を満足するポリアセタール樹脂組成物である。ここで、T1は、DSCにより混合物に対して所定の温度プログラムで加熱及び冷却を施した後に、混合物が融解するまで所定速度で昇温した際の最大の吸熱容量を示す吸熱ピークの頂点温度であり、T2、T3は同様に、それぞれヒドラジン誘導体、ポリアセタール樹脂について最大の吸熱容量を示す吸熱ピークの頂点温度である。

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01-07-2014 дата публикации

Polyacetal resin composition and preparation process thereof

Номер: US8765850B2
Принадлежит: Asahi Kasei Chemicals Corp

Provided is a polyacetal resin composition obtained from a raw material composition containing a polyacetal resin, a hydrazine derivative, and a compound for lowering the melting point of the hydrazine derivative, wherein a mixture of the hydrazine derivative and the compound satisfies both of the following conditions: T1<T2 and T1<T3, in which T1 is an apex temperature of an endothermic peak of the mixture having a maximum endothermic capacity by, with DSC, heating and cooling the mixture in accordance with a predetermined temperature program and then heating it at a predetermined rate until the mixture fuses; and T2 and T3 represent apex temperatures of endothermic peaks of the hydrazine derivative and the polyacetal resin having a maximum endothermic capacity, respectively by the similar treatment.

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03-11-2015 дата публикации

Regenerated Asphalt Concrete and the manufacturing method for the same

Номер: KR101565589B1
Автор: 박희정
Принадлежит: 중앙아스콘(주)

The present invention relates to recycled asphalt concrete and a production method thereof. More specifically, the present invention relates to recycled asphalt concrete with increased resistancy to road damage due to plastic deformation, low temperature cracking, and moisture sensitivity. To this end, quality of the asphalt concrete is upgraded in the first grade (less than 10% in the content of flat and elongated particles) by minimizing the content of the flat and elongated particles contained in asphalt concrete, and consumption of a cyclic aggregate is maximized up to 50% by applying a regeneration additive and a modifying agent made of metallocene polyethylene-octene elastomer (POE), thereby restoring and modifying a quality performance of an aged asphalt binder.

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02-10-2020 дата публикации

一种环保脲醛树脂胶及其制备方法和应用

Номер: CN110330614B
Автор: 乐险, 夏磊, 罗学涛, 黄柳青
Принадлежит: XIAMEN UNIVERSITY

本发明属于胶粘剂领域,公开了一种环保脲醛树脂胶及其制备方法和应用。所述环保脲醛树脂胶的制备方法包括:将甲醛溶液加热至30‑40℃,加入尿素反应2‑10min,加热至45‑65℃后采用碱液将体系的pH值调节至6.5‑8,加入尿素反应20‑40min,加热至85‑95℃之后停止加热,并在该温度下分四个批次加入氯化铵进行固化反应,之后将pH值采用碱液和氨水调节至6.5‑8,之后加入尿素并将温度降至78‑85℃下反应30‑50min,当温度降至72‑76℃时,开始升温,当温度升至82‑88℃时加入三聚氰胺并保温反应20‑40min;当温度降至73‑78℃时,加入硫脲并保温反应5‑15min;当温度降至68‑72℃时,采用碱液将pH值调节至9±0.3;当温度降至63‑67℃时,加入尿素反应20‑40min,冷却至室温。所得环保脲醛树脂胶的游离甲醛含量低且强度高。

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22-10-2019 дата публикации

一种脲醛纤维的制备方法

Номер: CN110359117A
Принадлежит: Zhongyuan University of Technology

本发明公开了一种脲醛纤维的制备方法,在高分子水溶液中加入尿素、醛类和碱性催化剂,反应一段时间后,依次加入酸性催化剂、碱性催化剂及剩余醛类化合物,反应结束后使用湿法纺丝机进行纺丝,经过凝固浴卷绕的初生纤维在烘箱中加热固化,自然降温后取出得到脲醛纤维。本发明通过合理设计反应过程,湿法纺丝制备了脲醛纤维,该纤维作为三维交联型纤维,具有成本低、纤维阻燃、隔热、无融滴,燃烧无毒等优点,具有广阔的应用前景。

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27-08-2013 дата публикации

Method of continuous production of highly efficient aqueous solutions of amino formaldehyde resin

Номер: RU2491303C2
Принадлежит: ДЮНЕА Аустриа ГмбХ

FIELD: chemistry. SUBSTANCE: invention relates to method of continuous production of aqueous solution of amino formaldehyde resin, solution of urea-formaldehyde resin or melamine-urea-formaldehyde resin. Method includes the following stages: a) preparation of reaction mixture of amino compound and formaldehyde in form of concentrated aqueous solution or in form of solid phase, b) addition of catalyst to reaction mixture, c) carrying out reaction of reaction mixture condensation in presence of catalyst. At stage a) amino compound and formaldehyde are added inform of concentrated aqueous solution or in form of solid phase to total content of solid phase in reaction mixture 40-85 wt % (dry mass relative to total mass of reaction mixture). At stage c) reaction of condensation occurs in continuous flow of reaction mixture in reactor of continuous plug flow reactor. At stage b) catalyst is continuously added and finely crushed into reaction mixture through one or several placed of addition. At non-obligatory stage d) addition of amino compound after condensation is carried out, and at non-obligatory stage e) removal of water to increase solid phase content is carried out. In the method reaction mixture is fed through static mixer of continuous plug flow reactor, which contains pipe, in which there are, at least, 4, preferably, at least, 6 static mixing elements, and it has one or more, preferably several places for addition, preferably, only in place of location of first or first two mixing elements for continuous crushing catalyst through said place (places). EFFECT: obtaining highly concentrated solution of amino formaldehyde resin in continuous process. 25 cl, 1 dwg, 6 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 491 303 (13) C2 (51) МПК C08G C08G C08G B01J 12/12 (2006.01) 12/32 (2006.01) 12/38 (2006.01) 19/24 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010130296/04, 19.12.2008 (24) Дата начала отсчета ...

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18-03-1969 дата публикации

Novel copolymer

Номер: US3433773A
Принадлежит: Asahi Chemical Industry Co Ltd

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25-01-2019 дата публикации

一种利用采石场选矿废渣制备机制砂的方法

Номер: CN109265032A
Автор: 赖友谷
Принадлежит: Guangzhou Gucheng Group Co Ltd

本发明公开了一种利用采石场选矿废渣制备机制砂的方法,包括以下步骤:S1.将选矿废渣进行干式筛分分级,通过筛分得到 的筛上物和 的筛下物;S2.将筛上物破碎、棒磨成 的颗粒;对筛下物进行除尘;S3.将筛上物和筛下物脱泥、脱水,得到半成品砂;S4.通过压制将半成品砂进一步脱泥,制得机制砂。本发明的利用采石场选矿废渣制备机制砂的方法通过将选矿废渣进行筛分分级、破碎、棒磨、除尘、脱泥、脱水等制备机制砂,对选矿废渣进行循环再利用,可以达到节能减排、资源综合利用的效果,能够达到国家对于建造高层建筑及公路、铁路建筑柱、梁、板用砂要求的标准,且能有效降低制造成本。

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21-12-2020 дата публикации

Method of preparing concrete mixture for high-strength concrete

Номер: RU2739006C1

FIELD: chemistry. SUBSTANCE: invention relates to the technology of preparing concrete mixtures, mainly for high-strength concrete, used for making articles and structures used in industrial and civil construction when erecting special-purpose structures. Method involves mixing cement, sand, crushed stone, additives and water. At that, at first, into the mixer is loaded and mixed to obtain a homogeneous mixture of 5–20 mm fractioned grains, ordinary quartz sand with a fineness modulus of not less than 2.1, lignosulphonate additive ST 1.4 in amount of dry substance 0.1–0.15 % of consumption cement and 70–80 % of tempering water. After that, cement, polycarboxylate base-based superplasticizer ST 5.0 in amount of 0.30–0.35 % of dry matter of cement consumption, as well as the rest of the tempering water are added to the obtained mixture and all components are finally mixed until a homogeneous concrete mixture is obtained. EFFECT: technical result is higher mobility of concrete mixture without reducing strength of concrete in 28-day age of normal hardening. 1 cl, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК C04B 40/00 C04B 28/00 C04B 14/06 C04B 14/36 C04B 24/00 (11) (13) 2 739 006 C1 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C04B 40/0032 (2020.08); C04B 28/00 (2020.08); C04B 14/02 (2020.08); C04B 14/06 (2020.08); C04B 24/00 (2020.08) (21)(22) Заявка: 2020114778, 27.04.2020 27.04.2020 Дата регистрации: 21.12.2020 (45) Опубликовано: 21.12.2020 Бюл. № 36 2 7 3 9 0 0 6 R U (56) Список документов, цитированных в отчете о поиске: RU 2425814 С1, 10.08.2011. RU 2659290 С1, 20.12.2012. CN 103145390 A, 12.06.2013. US 4019918 A, 26.04.1977. CN 110981316 А, 10.04.2020. (54) СПОСОБ ПРИГОТОВЛЕНИЯ БЕТОННОЙ СМЕСИ ДЛЯ ВЫСОКОПРОЧНОГО БЕТОНА (57) Реферат: Изобретение относится к технологии лигносульфонатную добавку ST 1.4 в количестве приготовления бетонных смесей, по сухому веществу 0 ...

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30-07-2019 дата публикации

Method of stabilizing (producing) aqueous solutions of formaldehyde with carbamide (carbamide-formaldehyde concentrate)

Номер: RU2696008C1

FIELD: chemistry.SUBSTANCE: present invention relates to a method of stabilizing (producing) aqueous solutions of formaldehyde with carbamide (carbamide-formaldehyde concentrate) by introducing carbamide into an aqueous solution of formaldehyde followed by condensation of the obtained solution. Carbamide is introduced into a formaldehyde solution with temperature of 40–65 °C at pH less than 7 and molar ratio of formaldehyde : carbamide 4.0–6.0:1 with subsequent exposure at temperature of 70–85 °C for 20–60 minutes with subsequent increase of pH to 7.5–8.5 and cooling of obtained product.EFFECT: disclosed method enables to obtain a carbamide-formaldehyde concentrate which enables to obtain a wide range of thermosetting formaldehyde-containing resins based thereon.4 cl, 3 tbl, 5 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 696 008 C1 (51) МПК C08G 12/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08G 12/12 (2019.05) (21)(22) Заявка: 2018119518, 28.05.2018 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): АКЦИОНЕРНОЕ ОБЩЕСТВО "СИНТЕМА" (RU) 30.07.2019 (56) Список документов, цитированных в отчете о поиске: RU 2086571 C1, 10.08.1997. RU 2070895 C1, 27.12.1996. US 4501851 A1, 26.02.1985. Афанасьев С.В. и др. Карбамидоформальдегидный концентрат: Технология. Переработка. Монография.Самара: изд-во СНЦ РАН, 2012, стр.95-120. (45) Опубликовано: 30.07.2019 Бюл. № 22 2 6 9 6 0 0 8 R U (54) СПОСОБ СТАБИЛИЗАЦИИ (ПОЛУЧЕНИЯ) ВОДНЫХ РАСТВОРОВ ФОРМАЛЬДЕГИДА КАРБАМИДОМ (КАРБАМИДОФОРМАЛЬДЕГИДНОГО КОНЦЕНТРАТА) (57) Реферат: Настоящее изобретение относится к способу с последующей выдержкой при температуре 70стабилизации (получения) водных растворов 85°С в течение 20-60 мин с последующим формальдегида карбамидом повышением рН до 7,5-8,5 и охлаждением (карбамидоформальдегидного концентрата) полученного продукта. Предлагаемый способ путем введения карбамида в водный раствор позволяет ...

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28-05-2018 дата публикации

Composition using construction materials and engineered stone chip having metal pearl pattern and Engineered stone using the same

Номер: KR101861900B1
Принадлежит: 롯데첨단소재(주)

The reinforcing natural stone composition of the present invention, the reinforcing natural stone having the metal pearl texture and the reinforcing natural stone comprising the same, (A) 10 to 60% by weight of the sand type silica having an average particle diameter of 0.1 to 0.3 mm or less; (B) 5 to 40% by weight of a powdery silica having an average particle diameter of 0.1 mm or less; (C) 5 to 40% by weight of an unsaturated polyester resin; (D) 1 to 10% by weight of metallic pearl particles; And (E) 1 to 10% by weight of a styrene-based monomer.

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03-03-2017 дата публикации

Method for glyocarb oligomer preparation

Номер: RU2612257C1

FIELD: chemistry. SUBSTANCE: method comprises glyoxal interation with urea. At that, urea is dissolved in 40% aqueous glyoxal solution and heated at 50-70°C in a neutral medium up to precipitation at a molar ratio of components: 1-3 of urea; 1-2 of glyoxal. EFFECT: invention allows to create an eco-friendly method of urea and glyoxal oligomers production with a possibility to control the final product properties. 1 tbl, 4 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 612 257 C1 (51) МПК C08G 12/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2015149826, 19.11.2015 (24) Дата начала отсчета срока действия патента: 19.11.2015 (72) Автор(ы): Сироткина Екатерина Егоровна (RU) Дата регистрации: 03.03.2017 Приоритет(ы): (22) Дата подачи заявки: 19.11.2015 (56) Список документов, цитированных в отчете о поиске: RU 2439072 C1, 10.01.2012. DE (45) Опубликовано: 03.03.2017 Бюл. № 7 2508292 A, 28.08.1075. EP 120308 A2, 03.10.1984. US 3869296 A1, 04.03.1975. (57) Формула изобретения Способ получения олигомера путем взаимодействия глиоксаля с мочевиной, отличающийся тем, что мочевину растворяют в 40%-ном водном растворе глиоксаля и нагревают при 50-70°С в нейтральной среде до выпадения осадка при мольном соотношении компонентов: 1-3 Глиоксаль 1-2 R U Мочевина Стр.: 1 C 1 C 1 (54) СПОСОБ ПОЛУЧЕНИЯ ОЛИГОМЕРА ГЛИОКАРБ 2 6 1 2 2 5 7 Адрес для переписки: 634055, г. Томск, пр-кт Академический, 4, Федеральное государственное бюджетное учреждение науки Институт химии нефти Сибирского отделения Российской академии наук (ИХН СО РАН) 2 6 1 2 2 5 7 R U (73) Патентообладатель(и): Федеральное государственное бюджетное учреждение науки Институт химии нефти Сибирского отделения Российской академии наук (ИХН СО РАН) (RU)

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27-12-2011 дата публикации

Concrete constitution

Номер: KR101099074B1

PURPOSE: A latex modified concrete composition using low heat cement is provided to secure the continuous intensity of the concrete composition and to improve the durability and the adhesive of the concrete composition. CONSTITUTION: A latex modified concrete composition includes 16-19 weight% of low heat cement, 72-76 weight% of aggregate, 3-5 weight% of polymer modifier, and 3-5 weight% of water. The low heat cement is composed of 2-40 weight% of granulated blast furnace slag fine powder, 10-30 weight% of ordinary Portland cement, 15-40 weight% of calcium sulfo-aluminate-based clinker, 2-10 weight% of calcium aluminate-based clinker, 10-30 weight% of anhydrous gypsum, 2-5 weight% of slaked lime, and 2-5 weight% of an additive. The granulated blast furnace slag fine powder is an inorganic-based mixing material. The additive is composed of 1.0-4.0 weight% of silica fume, 0.5-2.0 weight% of a superplasticizer, 0.1-0.5 weight% of a curing accelerator, 0.1-1.0 weight% of a retarder, and 0.1-0.3 weight% of an antifoaming agent based on the total weight of the low heat cement.

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19-01-1999 дата публикации

廃コンクリートから砂を製造する方法及び装置

Номер: JPH1112001A
Принадлежит: Individual

(57)【要約】 【課題】 廃コンクリートからコンクリートの材料とす ることができる砂を製造する方法を提供すること。 【解決手段】 廃コンクリートを粉砕することにより廃 コンクリートに含まれている砂及び小石の最大粒径を所 望の大きさの粉粒状に形成すると共にセメントを粉状に 形成して砂とセメントが分離している第3の処理物17 である粉粒状体を製造する段階と、粉粒状体17を筒状 体31の内側に供給すると共に、粉粒状体17に圧縮空 気47を吹きかけてこの圧縮空気47の力によって粉粒 状体17に含まれている粉状のセメントを含む粉状体3 8を、フィルタ50を通して筒状体31の上側開口部3 5から送り出し残りの粒状体44を取り出し口41から 取り出す段階と、からなる。

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22-05-2004 дата публикации

배수성 아스팔트의 제조방법

Номер: KR100432485B1
Автор: 강전택, 장희선, 정현수

본 발명은 최대 골재 입경이 13㎜인 조골재 85∼87%, 모래 8∼10%, 채움재 5~6%의 골재 배합물에 상기 골재 배합물 사용량의 4.5∼5.5%의 개질 아스팔트를 혼합하고, 상기 개질 아스팔트는 60℃에서 점도가 200,000 포이즈 이상이 되도록 중량평균 분자량이 70,000∼110,000 범위의 열가소성 SBS 공중합체를 주성분으로 하는 개질제가 아스팔트에 대해 11∼13%를 첨가하여 제조한 고점도의 개질 아스팔트를 혼합하여 제조한 약 20∼27%의 공극률을 갖는 차도 포장용 배수성 아스팔트 및 그 제조방법을 구현하고자 한다.

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16-08-1990 дата публикации

Acetal polymer bonded articles

Номер: EP0308187A3
Принадлежит: Hoechst Celanese Corp

Oxymethylene polymer bonded articles, such as multilayer laminates, are disclosed. Such articles are prepared by bonding together at least two articles shaped or molded from crystalline oxymethylene homo-, co- and terpolymers using, as an adhesive, a low Tg copolymer of trioxane and 1,3-dioxolane which have a dioxolane content greater than 65 mol percent and less than about 75 mol percent and an IV of from about 1.0 to about 2.3, and which are non-crystalline at room temperature or above.

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11-12-1967 дата публикации

Verfahren zur Herstellung von Mischpolyacetalen aus Trioxan und cyclischen Äthern

Номер: AT258575B
Автор:
Принадлежит: Hoechst AG

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24-07-1995 дата публикации

[UNK]

Номер: BE636896A
Автор:
Принадлежит:

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13-01-2022 дата публикации

Method for producing polyacetal copolymer

Номер: JP6992144B1
Принадлежит: Polyplastics Co Ltd

【課題】現行の製造工程について特別な設備変更を加えることなく、ポリアセタール共重合体からなる成形品の外観を良好なものとし、製品毎のバラつきも小さい、ポリアセタール共重合体の製造方法を提供する。【解決手段】トリオキサンを主モノマー(a)とし、少なくとも一つの炭素-炭素結合を有する環状ホルマールをコモノマー(b)とし、プロトン酸およびルイス酸から選択される少なくとも1種の重合開始剤(c)ならびに分子量調節剤(d)を使用し、連続的にポリアセタール共重合体を製造する方法であって、該分子量調節剤(d)の供給量を周期的に変動させて供給し、該変動する1周期の時間をP分、重合反応装置内平均滞留時間をT分としたとき、P/Tが0.3~3であるポリアセタール共重合体の製造方法。【選択図】図1 PROBLEM TO BE SOLVED: To provide a method for producing a polyacetal copolymer, which improves the appearance of a molded product made of a polyacetal copolymer and has a small variation among products without making any special equipment change in the current manufacturing process. .. SOLUTION: Trioxane is a main monomer (a), cyclic formal having at least one carbon-carbon bond is a comonomer (b), and at least one polymerization initiator (c) selected from protonic acid and Lewis acid. In addition, it is a method for continuously producing a polyacetal copolymer using the molecular weight adjusting agent (d), in which the supply amount of the molecular weight adjusting agent (d) is periodically changed and supplied, and the variable 1 A method for producing a polyacetal copolymer having a P / T of 0.3 to 3 when the period time is P minutes and the average residence time in the polymerization reaction apparatus is T minutes. [Selection diagram] Fig. 1

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30-06-1993 дата публикации

Patent JPH0542961B2

Номер: JPH0542961B2
Принадлежит: Mitsubishi Gas Chemical Co Inc

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27-09-2015 дата публикации

Способ получения конденсационных смол и их применение

Номер: RU2014110192A
Принадлежит: БАСФ СЕ

1. Способ снижения вязкости конденсационной смолы, отличающийся тем, что в основном прореагировавшую конденсационную смолу, синтезированную по меньшей мере из одной, предпочтительно ровно одной мочевины, формальдегида и по меньшей мере одного, предпочтительно ровно одного СН-кислого альдегида в мольном отношении 1:(2-15):(2:15), подвергают взаимодействию по меньшей мере с одним одноатомным спиртом в присутствии по меньшей мере одной кислоты Брэнстеда.2. Способ по п. 1, отличающийся тем, что в основном прореагировавшей конденсационной смолой является смола, в которой прореагировало друг с другом по меньшей мере 95% используемых для синтеза конденсационных смол компонентов, то есть мочевины, формальдегида и СН-кислого альдегида.3. Способ по п. 1, отличающийся тем, что при получении в основном прореагировавшей конденсационной смолы реакцию прекращают путем нейтрализации присутствующего в ней катализатора и последующего дистилляционного удаления по меньшей мере части летучих компонентов.4. Способ по п. 1, отличающийся тем, что в основном прореагировавшая конденсационная смола растворена по меньшей мере в одном растворителе, выбранном из группы, включающей циклогексан, метилциклогексан, ксилол и толуол.5. Способ по п. 1, отличающийся тем, что СН-кислый альдегид выбирают из группы, включающей изомасляный альдегид, 2-этилгексаналь, 2-метилпентаналь и изовалериановый альдегид.6. Способ по п. 1, отличающийся тем, что спиртом является простой моноалкиловый эфир алкиленгликоля или полиалкиленгликоля с молекулярной массой до 300 г/моль.7. Способ по п. 1, отличающийся тем, что спирт выбирают из группы, включающей метанол, этанол, изопр� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C08G 12/12 (13) 2014 110 192 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2014110192/04, 15.08.2012 (71) Заявитель(и): БАСФ СЕ (DE) Приоритет(ы): (30) Конвенционный приоритет: 19.08.2011 EP 11178117.5; 05.06.2012 EP 12170823.4 (85) Дата ...

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21-11-2008 дата публикации

레솔 비드, 이의 제조 방법, 및 이의 사용 방법

Номер: KR20080101905A
Принадлежит: 이스트만 케미칼 캄파니

페놀을, 촉매로서의 염기와 함께, 콜로이드성 안정화제 및 선택적으로 계면활성제의 존재 하에 알데하이드와 반응시킴으로써 고수율로 제조되는 레솔 비드가 개시되고 있다. 레솔 비드는 다양한 용도를 가지며, 열 처리 및 탄화되어 활성화 탄소 비드를 수득할 수 있다.

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01-02-2022 дата публикации

Transparent fireproof rubber plate, laminated fireproof glass and preparation method thereof

Номер: CN113999357A
Автор: 王智敏
Принадлежит: Jiaxing Kecheng Technology Co ltd

本发明提供一种透明防火胶板,按以下方法制备得到:甲醛、尿素、水玻璃在85℃~95℃之间反应1~3小时,原位聚合制备脲醛树脂,然后升高温度蒸发脱水,使制得的复合固溶体的粘度到50000MPa.s~80000MPa.s后,停止加热,出料,并趁热将复合固溶体挤压成板材,制得所述透明防火胶板。本发明提供的透明防火胶板可用于制备夹胶型防火玻璃,制得的防火玻璃重量小、面积大,高温下防火胶板能够保持良好的胶黏性和机械强度,防火玻璃的耐火时间大大提高。

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03-03-2014 дата публикации

Powdered water proofing agent for concrete

Номер: KR101368992B1
Автор: 강기동, 강재철, 최규필
Принадлежит: 강기동, 주식회사 칠만공사

The present invention relates to a powdered spheric waterproof agent to be mixed with concrete. The powdered spheric waterproof agent is formed by mixing cement, silica sand, quartz treated at a high temperature, a superplasticizer, and a retardant. According to the present invention, the powdered spheric waterproof agent does not need a separate waterproofing work, seals a concrete structure, self-treats cracks on concrete, prevents the corrosion of an iron reinforcing bar by being added to a batch plant in manufacturing concrete and can maintain the durability of a building.

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10-03-2006 дата публикации

Cross-stitching composition

Номер: RU2005130404A

ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2005 130 404 (13) A (51) ÌÏÊ C08G 12/02 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÇÀßÂÊÀ ÍÀ ÈÇÎÁÐÅÒÅÍÈÅ (21), (22) Çà âêà: 2005130404/04, 26.02.2004 (71) Çà âèòåëü(è): ÑÀÉÒÅÊ ÒÅÊÍÎËÎÄÆÈ ÊÎÐÏ. (US) (30) Ïðèîðèòåò: 31.03.2003 US 10/403,143 (43) Äàòà ïóáëèêàöèè çà âêè: 10.03.2006 Áþë. ¹ 7 (74) Ïàòåíòíûé ïîâåðåííûé: Åãîðîâà Ãàëèíà Áîðèñîâíà (86) Çà âêà PCT: US 2004/005718 (26.02.2004) Àäðåñ äë ïåðåïèñêè: 129010, Ìîñêâà, óë. Á.Ñïàññêà , 25, ñòð.3, ÎÎÎ "Þðèäè÷åñêà ôèðìà Ãîðîäèññêèé è Ïàðòíåðû", ïàò.ïîâ. Ã.Á. Åãîðîâîé R U (57) Ôîðìóëà èçîáðåòåíè 1. Êîìïîçèöè äë ïîïåðå÷íîé ñøèâêè, ñîäåðæàùà ñòðóêòóðó ôîðìóëû I A'-NR A-R D ãäå A' ïðåäñòàâë åò ñîáîé îñòàòîê, ïîëó÷åííûé èç ãðóïïû, ñîñòî ùåé èç ëèíåéíûõ èëè öèêëè÷åñêèõ ìî÷åâèí, öèàíóðîâîé êèñëîòû, çàìåùåííûõ öèàíóðîâûõ êèñëîò, ëèíåéíûõ èëè öèêëè÷åñêèõ àìèäîâ, ãëèîêñàëüóðåèäîâ (ãëèêîëóðèëîâ), ãèäàíòîèíîâ, ëèíåéíûõ èëè öèêëè÷åñêèõ êàðáàìàòîâ è èõ ñìåñåé; èëè îñòàòîê, ñîäåðæàùèé ñòðóêòóðó ãäå R A ïðåäñòàâë åò ñîáîé R D, âîäîðîä, àëêèë, ñîäåðæàùèé îò 1 äî 20 àòîìîâ óãëåðîäà, èëè æå, âç òûé âìåñòå ñ A', îáðàçóåò öèêëè÷åñêîå ñîåäèíåíèå; R D ïðåäñòàâë åò ñîáîé -CHR COR B, ãäå RB ïðåäñòàâë åò ñîáîé âîäîðîä, àëêèë, àðèë, àðàëêèë èëè àëêàðèë, ñîäåðæàùèé îò 1 äî ïðèìåðíî 24 àòîìîâ óãëåðîäà, è R C ïðåäñòàâë åò ñîáîé àëêèë, ãàëîãåíèðîâàííûé àëêèë, àðèë, àðàëêèë, ãàëîãåíèðîâàííûé àðàëêèë, àëêîêñèàëêèë èëè àëêàðèë, ñîäåðæàùèé îò 1 äî ïðèìåðíî 24 àòîìîâ óãëåðîäà; A ïðåäñòàâë åò ñîáîé îñòàòîê, ïîëó÷åííûé èç ãðóïïû, ñîñòî ùåé èç ëèíåéíûõ èëè Ñòðàíèöà: 1 RU A 2 0 0 5 1 3 0 4 0 4 A (54) ÊÎÌÏÎÇÈÖÈß ÄËß ÏÎÏÅÐÅ×ÍÎÉ ÑØÈÂÊÈ 2 0 0 5 1 3 0 4 0 4 (87) Ïóáëèêàöè PCT: WO 2004/094497 (04.11.2004) R U (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 20050929 (72) Àâòîð(û): ËÈÍÜ Ëîí-Òàí Óèëñîí (US), ÄÆÅÊÎÁÑ Óèëëü ì ||| (US) Ñòðàíèöà: 2 2 0 0 5 1 3 0 4 0 4 R U A ãäå R A ïðåäñòàâë åò ñîáîé R D, âîäîðîä, àëêèë, ñîäåðæàùèé îò 1 äî 20 àòîìîâ óãëåðîäà, èëè æå, âç òûé âìåñòå ñ ...

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23-05-1978 дата публикации

Method for cementing well pipe

Номер: US4090561A
Автор: Jerome L. Powell
Принадлежит: Exxon Production Research Co

A method for displacing drilling mud from the annular space surrounding well pipe or pipes arranged in a well bore more efficiently when cementing those pipes in the well bore. The method employs a cement slurry containing large particles in the amount of at least about 20 and preferably about 30 pounds per sack of cement.

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