Настройки

Укажите год
-

Небесная энциклопедия

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

Подробнее
-

Мониторинг СМИ

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

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 44. Отображено 44.
13-11-1997 дата публикации

POLYMERS CONTAINING .BETA.-HYDROXYALKYLVINYLAMINE UNITS, PREPARATION AND USE THEREOF

Номер: CA0002235345A1
Принадлежит: Individual

Polymers containing .beta.-hydroxyalkylvinylamine units, which are obtainable by reacting polymers containing vinylamine units with epoxides of the formula (see formula I) where R = C2-C28-alkyl, phenyl, C1-C18-alkylphenyl or C2-C18-alkenyl, are described, as are a process for preparing the polymers and use of the polymers as retention and drainage aids and flocculants and as fixatives in paper making, as protective colloid for producing alkyldiketene dispersions or alkenylsuccinic anhydride dispersions, as emulsifier for producing aqueous filler suspensions and as corrosion inhibitor.

Подробнее
04-09-1997 дата публикации

USE OF HYDROLYSED POLYMERS OF N-VINYL CARBOXYLIC ACID AMIDES AS AGENTS FOR INCREASING THE DRY STRENGTH OF PAPER, CARD AND CARDBOARD

Номер: CA0002247052A1
Принадлежит:

Proposed is the use, as agents for increasing the dry strength of paper, card and cardboard, of partially hydrolysed polymers of N-vinyl carboxylic acid amides obtained by the homopolymerization of N-vinyl carboxylic acid amides of the formula (I) in which R1 and R2 are H or C1-C6 alkyl and by splitting off 0.5 to 95 mole % of the groups of the formula (II) in which R1 is H or C1-C6 alkyl.

Подробнее
12-10-1998 дата публикации

Aqueous dispersions of reactive gluing agents, method for the production, and use thereof

Номер: AU0006623098A
Принадлежит: BASF SE

The invention relates to aqueous dispersions of reactive gluing agents containing 0.1 to 10 weight per cent of water-soluble or water-dispersible polymeric protective colloids which can be obtained by reacting polymers containing amino groups from the group: polymers containing vinylamine units; polyamidoamines; polyamidoamines grafted with ethylenimine - with diketenes at a weight ratio polymers:diketenes of 10000:1 to 1:3. The invention also relates to a method for producing aqueous dispersions of reactive gluing agents by homogenising said reactive gluing agents in an aqueous solution of at least one of the aforementioned protective colloids at temperatures of 20 to 90 DEG C under the effect of shear forces, and to the use of aqueous dispersions of gluing agents thus obtained as pulp sizing agents in the production of paper, board and cardboard and for hydrophobing cellulose fibers.

Подробнее
20-08-1998 дата публикации

METHOD FOR PRODUCING POLYMERS CONTAINING CARBAMATE UNITS AND THE USE THEREOF

Номер: CA0002268755A1
Принадлежит:

The invention relates to a method for producing polymers containing carbamate units, wherein polyethylene imines or polymers containing vinyl amine units of formula (III) in which R1 = H or C1-C6-alkyl are made to react with halogen formic acid esters. The invention also relates to the use of the polyethylene imines containing carbamate groups thus obtained or polymers containing vinyl carbamate units as retention agents, dehydrating agents, flocculants and fixing agents in the production of paper, as a protective colloid for the production of aqueous alkyl diketene dispersions and as a dispersing agent for the production of accumulated aqueous filling material slurries.

Подробнее
24-01-2006 дата публикации

POLYMERS CONTAINING .BETA.-HYDROXYALKYLVINYLAMINE UNITS, PREPARATION AND USE THEREOF

Номер: CA0002235345C
Принадлежит: BASF AKTIENGESELLSCHAFT, BASF AG

Polymers containing .beta.-hydroxyalkylvinylamine units, which are obtainable by reacting polymers containing vinylamine units with epoxides of the formula (see formula I) where R = C2-C28-alkyl, phenyl, C1-C18-alkylphenyl or C2-C18-alkenyl, are described, as are a process for preparing the polymers and use of the polymers as retention and drainage aids and flocculants and as fixatives in paper making, as protective colloid for producing alkyldiketene dispersions or alkenylsuccinic anhydride dispersions, as emulsifier for producing aqueous filler suspensions and as corrosion inhibitor.

Подробнее
25-02-2000 дата публикации

POLYMERS CONTAINING BETA HYDROXY ALKYL VINYL AMINE UNITS, PROCESS FOR THEIR PRODUCTION AND THEIR USE

Номер: KR20000010671A
Принадлежит:

PURPOSE: A producing method for a polymer having beta hydroxy alkyl vinyl amine units is provided which comprise a polymer with vinyl amine units and formula 4. CONSTITUTION: Polymers containing beta hydroxy alkyl vinyl amine units are obtainable by the reaction of polymers containing vinyl amine units with epoxides of formula 4 in which R = C2 to C28 alkyl, C1 to C18 alkyl phenyl or C2 to C18 alkenyl, a process for producing the polymers and their use as retention, dewatering and flocculents and as fixers in paper production, a protective colloid in the production of alkyl diketene dispersions or alkenyl succinic acid anhydride dispersions, as emulsifiers in the production of aqueous filler sludges and as corrosion inhibitors. COPYRIGHT 2000 KIPO ...

Подробнее
18-06-1998 дата публикации

AMPHIPHILIC GRAFT POLYMERS BASED ON GRAFT BASES CONTAINING N-VINYLCARBOXYLIC ACID UNITS, PROCESS FOR THEIR PREPARATION AND THEIR USE

Номер: CA0002272102A1
Принадлежит: Individual

The invention concerns amphiphilic graft polymers in which the graft base is a polymer containing at least 5 wt % of units of formula (I) and optionally units of formula (II), R1, R2 being H or C1-C6 alkyl, wherein (a) styrene, C1-C2 alkylstyrene and/or vinyltoluene and optionally (b) other monoethylenically unsaturated monomers which can be copolymerized therewith are grafted onto the graft base in a weight ratio of between 1: 99 and 99: 1, and wherein the group (c) is optionally partially or completely cleaved off the graft polymers, forming amino groups. The invention also concerns processes for preparing and using the amphiphilic graft polymers as consolidating agents for paper, as fixing agents for disruptive water-soluble and water-insoluble agents in paper manufacture, as dispersants for inorganic and organic pigments, dyes, concrete and plant-protecting agents, as detergent additives, as coating material for fertilisers and plant-protecting agents, as floor-maintenance agents, as protective colloids for aqueous polymer dispersions, as thickeners for cosmetic formulations, as conditioners for skin-care agents and as a component of hair-cosmetic preparations and cosmetic preparations for oral hygiene.

Подробнее
19-06-2001 дата публикации

Amphiphilic graft polymers based on graft bases containing n-vinylcarboxylic acid units, process for their preparation and their use

Номер: US0006248836B1

Amphiphilic graft copolymers are prepared by grafting a pre-formed graft base polymer comprising at least 5% by weight of units of formula (I)where R1 and R2 are independently H or C1 to C6 alkyl groups. The monomer grafted to the pre-formed graft base polymer is at least one of styrene or a C1 to C2 alkylstyrene, and optionally other monoethylenically unsaturated monomers. At least 5 mole % of the groupsare cleaved from the grafted copolymer thus formed.

Подробнее
15-09-2000 дата публикации

AMPHIPHILIC GRAFT POLYMERS BASED ON GRAFT BASES CONTAINING N-VINYLCARBOXYLIC ACID UNITS, PROCESS FOR THEIR PREPARATION AND THEIR USE

Номер: KR20000057452A
Принадлежит:

PURPOSE: Amphiphilic graft polymers based on graft bases containing n-vinylcarboxylic acid units, process for their preparation and their use are provided. CONSTITUTION: Amphiphilic graft polymers in which the graft base is a polymer containing at least 5 wt % of units of formula (I) and optionally units of formula (II), R1, R2 being H or C1-C6 alkyl, wherein (a)styrene, C1-C2 alkylstyrene and/or vinyltoluene and optionally (b) other monoethylenically unsaturated monomers which can be copolymerized therewith are grafted onto the graft base in a weight ratio of between 1: 99 and 99: 1, and wherein the group (c) is optionally partially or completely cleaved off the graft polymers, forming amino groups. Provided are also processes for preparing and using the amphiphilic graft polymers as consolidating agents for paper, as fixing agents for disruptive water-soluble and water-insoluble agents in paper manufacture, as dispersants for inorganic and organic pigments, dyes, concrete and plant-protecting ...

Подробнее
13-11-1997 дата публикации

Polymers containing β-hydroxyalkylvinylamine units, process for their preparation and their use

Номер: DE19617983A1
Принадлежит: BASF SE

Polymers containing beta -hydroxy alkyl vinyl amine units obtainable by the reaction of polymers containing vinyl amine units with epoxides of formula (IV) in which R = C2 to C28 alkyl, C1 to C18 alkyl phenyl or C2 to C18 alkenyl, a process for producing the polymers and their use as retention, dewatering and flocullents and as fixers in paper production, a protective colloid in the production of alkyl diketene dispersions or alkenyl succinic acid anhydride dispersions, as emulsifiers in the production of aqueous filler sludges and as corrosion inhibitors.

Подробнее
02-05-2000 дата публикации

Polymers containing β-hydroxyalkylvinylamine units, preparation and use thereof

Номер: US6057404A
Принадлежит: BASF SE

Polymers containing β-hydroxyalkylvinylamine units, which are obtainable by reacting polymers containing vinylamine units with epoxides of the formula ##STR1## where R=C 2 -C 28 -alkyl, phenyl, C 1 -C 18 -alkylphenyl or C 2 -C 18 -alkenyl, are described, as are a process for preparing the polymers and use of the polymers as retention and drainage aids and flocculants and as fixatives in paper making, as protective colloid for producing alkyldiketene dispersions or alkenylsuccinic anhydride dispersions, as emulsifier for producing aqueous filler suspensions and as corrosion inhibitor.

Подробнее
12-03-1998 дата публикации

Insoluble, only slightly swellable polymers with modified amino groups, process for their preparation and their use

Номер: DE19636883A1
Принадлежит: BASF SE

The invention concerns insoluble polymers which can swell only slightly and contain units of formula (I) and/or (II), in which R<1> is H, C1-C6 alkyl; R<2>, R<3> are H, C1-C20 alkyl, aryl, aralkyl; and ME is H, alkali metal, alkaline earth metal or ammonium equivalent. The invention also concerns processes for preparing these polymers by reacting insoluble polymers which can only swell slightly and contain units of formula (III), in which R<1> is H or C1-C6 alkyl, with (1) alpha -haloacids or their alkali metal, alkaline earth metal or ammonium salts, or (2) aldehydes and hydrogen cyanide or alkali cyanide, or cyanohydrins comprising aldehydes and alkali cyanide, and hydrolyzing the adducts. The invention further concerns the use of these polymers as adsorber resin for metallic ions and as ion exchangers.

Подробнее
19-03-1998 дата публикации

Insoluble polymers which can swell only slightly with modified amino groups, processes for their preparation, and their use

Номер: WO1998011145A1
Принадлежит: BASF AKTIENGESELLSCHAFT

The invention concerns insoluble polymers which can swell only slightly and contain units of formula (I) and/or (II), in which R1 is H, C¿1?-C6 alkyl; R?2, R3¿ are H, C¿1?-C20 alkyl, aryl, aralkyl; and ME is H, alkali metal, alkaline earth metal or ammonium equivalent. The invention also concerns processes for preparing these polymers by reacting insoluble polymers which can only swell slightly and contain units of formula (III), in which R?1¿ is H or C¿1?-C6 alkyl, with (1) α-haloacids or their alkali metal, alkaline earth metal or ammonium salts, or (2) aldehydes and hydrogen cyanide or alkali cyanide, or cyanohydrins comprising aldehydes and alkali cyanide, and hydrolyzing the adducts. The invention further concerns the use of these polymers as adsorber resin for metallic ions and as ion exchangers.

Подробнее
06-02-2002 дата публикации

Amphiphilic graft polymers based on graft bases containing n-vinylcarboxylic acid units, process for their preparation and their use

Номер: EP0944657B1
Принадлежит: BASF SE

The invention concerns amphiphilic graft polymers in which the graft base is a polymer containing at least 5 wt % of units of formula (I) and optionally units of formula (II), R1, R2 being H or C¿1?-C6 alkyl, wherein (a) styrene, C1-C2 alkylstyrene and/or vinyltoluene and optionally (b) other monoethylenically unsaturated monomers which can be copolymerized therewith are grafted onto the graft base in a weight ratio of between 1: 99 and 99: 1, and wherein the group (c) is optionally partially or completely cleaved off the graft polymers, forming amino groups. The invention also concerns processes for preparing and using the amphiphilic graft polymers as consolidating agents for paper, as fixing agents for disruptive water-soluble and water-insoluble agents in paper manufacture, as dispersants for inorganic and organic pigments, dyes, concrete and plant-protecting agents, as detergent additives, as coating material for fertilisers and plant-protecting agents, as floor-maintenance agents, as protective colloids for aqueous polymer dispersions, as thickeners for cosmetic formulations, as conditioners for skin-care agents and as a component of hair-cosmetic preparations and cosmetic preparations for oral hygiene.

Подробнее
18-06-1998 дата публикации

Amphiphilic graft polymers based on graft bases containing n-vinylcarboxylic acid units, process for their preparation and their use

Номер: WO1998025981A1
Принадлежит: BASF AKTIENGESELLSCHAFT

The invention concerns amphiphilic graft polymers in which the graft base is a polymer containing at least 5 wt % of units of formula (I) and optionally units of formula (II), R1, R2 being H or C¿1?-C6 alkyl, wherein (a) styrene, C1-C2 alkylstyrene and/or vinyltoluene and optionally (b) other monoethylenically unsaturated monomers which can be copolymerized therewith are grafted onto the graft base in a weight ratio of between 1: 99 and 99: 1, and wherein the group (c) is optionally partially or completely cleaved off the graft polymers, forming amino groups. The invention also concerns processes for preparing and using the amphiphilic graft polymers as consolidating agents for paper, as fixing agents for disruptive water-soluble and water-insoluble agents in paper manufacture, as dispersants for inorganic and organic pigments, dyes, concrete and plant-protecting agents, as detergent additives, as coating material for fertilisers and plant-protecting agents, as floor-maintenance agents, as protective colloids for aqueous polymer dispersions, as thickeners for cosmetic formulations, as conditioners for skin-care agents and as a component of hair-cosmetic preparations and cosmetic preparations for oral hygiene.

Подробнее
01-11-2001 дата публикации

Dispersiones acuosas de agentes de encolado reactivos, procedimiento para su obtencion y su empleo.

Номер: ES2160404T3
Принадлежит: BASF SE

LA INVENCION SE REFIERE A DISPERSIONES ACUOSAS DE AGENTES REACTIVOS DE ENCOLADO QUE CONTIENEN DE UN 0,1 A UN 10 POR CIENTO EN PESO DE COLOIDES PROTECTORES POLIMERICOS SOLUBLES EN AGUA O DISPERSABLES EN AGUA, QUE PUEDEN OBTENERSE HACIENDO REACCIONAR POLIMEROS QUE CONTIENEN GRUPOS AMINO DEL GRUPO: POLIMEROS QUE CONTIENEN UNIDADES DE VINILAMINA; POLIAMIDOAMINAS; POLAMIDOAMINAS INJERTADAS CON ETILENIMINA CON DICETENOS A UNA RELACION PONDERAL POLIMEROS: DICETENOS DE 10000:1 A 1:3. LA INVENCION SE REFIERE IGUALMENTE A UN PROCEDIMIENTO PARA PRODUCIR DISPERSIONES ACUOSAS DE LOS AGENTES REACTIVOS DE ENCOLADO POR HOMOGENEIZACION DE LOS CITADOS AGENTES REACTIVOS DE ENCOLADO EN UNA SOLUCION DE AL MENOS UNO DE LOS COLOIDES PROTECTORES ARRIBA MENCIONADOS, A TEMPERATURA DE 20 A 90 C, POR EFECTO DE FUERZAS DE CIZALLAMIENTO, Y AL USO DE DISPERSIONES ACUOSAS DE AGENTES DE ENCOLADO ASI OBTENIDOS COMO AGENTES DE APRESTO Y SATINADO DE PASTA EN LA FABRICACION DE PAPEL, CARTULINA Y CARTON, Y PARA FIBRAS DE CELULOSA HIDROFOBICAS.

Подробнее
01-11-2001 дата публикации

Empleo de polimeros hidrolizados de amidas de acido n-vinilcarboxilico como agentes para el aumento de la resistencia en seco de papel, cartulina y carton.

Номер: ES2160322T3
Принадлежит: BASF SE

PARA INCREMENTAR LA RESISTENCIA EN SECO DE PAPEL, CARTULINA Y CARTON SE PROPONE EL EMPLEO DE POLIMEROS PARCIALMENTE HIDROLIZADOS DE N AMIDAS DEL ACIDO VINILCARBOXILICO, QUE SE OBTIENEN POR HOMOPOLIMERIZACION DE N AMIDAS DEL ACIDO VINILCARBOXILICO DE FORMULA (I), EN LA CUAL R 1 , R 2 SIGNIFICAN H O ALQUILO C 1 C 6 , Y DISOCIACION DE 0,5 A 95 % MOL DE GRUPOS DE FORMULA (II), EN LA CUAL R 1 ESTA PARA H O ALQUILO C 1 C 6 .

Подробнее
04-04-2024 дата публикации

Fuel and manufacture of the same

Номер: WO2024069020A1

The present invention provides fuels for combustion engines of the diesel type and petrol type and especially to fuels having an increased content of fuel components originating from renewable sources. In particular, diesel type fuels are provided, which contain at least solketal, renewable alkane fuel and biodiesel. Petrol fuels are also provided, wherein solketal is provided as a substitute for fossil petrol or other petrol fuel components. The present invention further provides methods for manufacturing the fuels of the invention as well as uses thereof.

Подробнее
15-06-1999 дата публикации

Elastifizierte melaminharze

Номер: ATE180800T1
Принадлежит: Basf Ag

Подробнее
15-03-1999 дата публикации

Melaminharze

Номер: ATE177439T1
Принадлежит: Basf Ag

Подробнее
08-07-1999 дата публикации

Elastifizierte Melaminharze

Номер: DE59602069D1
Принадлежит: BASF SE

Подробнее
01-10-1999 дата публикации

Resinas de melamina elastificadas.

Номер: ES2134545T3
Принадлежит: BASF SE

RESINAS ELASTIFICADSS DE MELAMINA FORMADAS DE A) MELAMINA (COMPONENTE A) B) 1,4 A 2,0 MOLES DE FORMALDEHIDO POR MOLECULA DE MELAMINA (COMPONENTE B) C) 0,5 A 20 % EN PESO, CON RELACION A LA CANTIDAD TOTAL DE LOS COMPONENTES (A) Y (B), DE UN ADUCTO (C) FORMADO POR C1) UN SULFITO ALCALINO, BISULFITO ALCALINO O DISULFITO ALCALINO Y C2) DE 1 A 100 MOLES DE OXIRANO DE C{SUB,1} A C{SUB,4} POR MOLECULA DE AZUFRE DEL COMPONENTE (C1), Y AL FORMARSE EL ADUCTO (C) SE PUEDE ETERIFICAR LOS GRUPOS HIDROXILO QUE APARECEN CON UN ALQUILO DE C{SUB,1} A C{SUB,20}, UN CICLOALQUILO DE C{SUB,5} A C{SUB,20}, UN ARILO DE C{SUB,6} A C{SUB,15} O UN ARALQUILO DE C{SUB,7} A C{SUB,20}, Y D) 0 A 0,5 MOLES DE OTRO COMPUESTO (COMPONENTE D), POR MOL DE MELAMINA, QUE ES CAPAZ DE REACCIONAR CON FORMALDEHIDO EN UNA REACCION DE POLICONDENSACION O DE POLIADICION.

Подробнее