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公开(公告)号：ES2061886T3
公开(公告)日：1994-12-16
申请号：ES89120525
申请日：1989-11-06
Applicant: BASF AG
Inventor： HORN PETER DR , REHMER GERD DR , LUTTER HEINZ-DIETER DR , RAMLOW GERHARD DR
IPC: C08F216/14 , C08F218/10 , C08F220/28 , C08F220/58 , C08F222/20 , C08F226/00 , C08F226/06 , C08F290/06 , C08F299/02 , C08G18/40 , C08G18/62 , C08L75/04 , C09K23/52
Abstract: The novel copolymers having K values of from 5 to 80 are prepared by free-radical polymerisation of A) 20 to 80% by weight, based on the total weight of (A) and (B), of at least one olefinically unsaturated polyoxyalkylene alcohol or polyester alcohol adduct, (B) 80 to 20% by weight, based on the total weight of (A) and (B), of at least one vinyl monomer from the group comprising N-vinylformamide, -2-pyrrolidone, -2-piperidone, -2-caprolactam, -imidazole, -2-ethyleneurea and -2-propyleneurea, C) 0 to 40 parts by weight of glycidyl acrylate and/or glycidyl methacrylate, D) 0 to 10 parts by weight of at least one alpha , beta -monoolefinically unsaturated acid and E) 0 to 30 parts by weight of at least one olefinically unsaturated carboxamide and/or carboxylate and/or styrene, the parts by weight of (C), (D) and (E) in each case being based on 100 parts by weight of the monomers (A) and (B). The copolymers are used as assistants and/or additives, for example as dispersion and/or emulsification assistants, or as additives for improving the mechanical properties, in formulations for the preparation of polyisocyanate polyaddition products.
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公开(公告)号：DK0433878T3
公开(公告)日：1994-10-24
申请号：DK90124026
申请日：1990-12-13
Applicant: BASF AG
Inventor： HINZ WERNER DR , LUTTER HEINZ-DIETER DR , LEPPKES REINHARD DR , HORN PETER DR , DECKER WALTER , HAASE VOLKER
Abstract: The invention relates to a process for the production of flexible, soft polyurethane foams having viscoelastic, structure borne soundproofing properties in a temperature range of from -20 DEG C to +80 DEG C, by reacting a) a polyoxyalkylene-polyol mixture containing ai) a block polyoxypropylene-polyoxyethylene-polyol mixture having a hydroxyl number of from 14 to 65 and containing from 2 to 9 % by weight, based on the weight of the polyoxypropylene units, of terminally bonded ethylene oxide units, and prepared by anionic polymerisation at elevated temperature of 1,2-propylene oxide onto an initiator molecule mixture having a mean functionality of from 2.3 to 2.8 comprising water and glycerol and/or trimethylolpropane, and polymerisation of ethylene oxide onto the resultant polyoxypropylene adduct, and aii) at least one difunctional and/or trifunctional polyoxypropylene-polyoxyethylene-polyol containing from 60 to 85 % by weight, based on the total weight of polymerised alkylene oxide units, of oxyethylene units, and having a hydroxyl number of from 20 to 80, and b) optionally low-molecular-weight chain extenders with c) organic and/or modified organic polyisocyanates, in the presence of d) catalysts, e) blowing agents, preferably water, and optionally f) assistants and/or additives, and to the polyoxyalkylene-polyol mixtures (a) which can be used for this purpose.
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公开(公告)号：ES2052146T3
公开(公告)日：1994-07-01
申请号：ES90124074
申请日：1990-12-13
Applicant: BASF AG
Inventor： LUTTER HEINZ-DIETER DR , HINZ WERNER DR , DECKER WALTER , LEPPKES REINHARD DR , REICH ERHARD DR , PETERS REINHARD DR , HAASE VOLKER , LUGMAYR MICHAEL
Abstract: Flexible polyurethane foams having low compressive strength and relatively good tensile strength are prepared by reacting a) a block polyoxypropylenepolyoxyethylenepolyol mixture which has a hydroxyl number of from 14 to 65, contains from 2 to 9% by weight, based on the weight of the polyoxypropylene units, of ethylene oxide units bonded in the terminal position and is prepared by anionic polymerization of the alkylene oxides with an initiator mixture having an average functionality of from 2.3 to 2.8 and consisting of water and glycerol and/or trimethylolpropane, or a mixture of these block polyoxypropylenepolyoxyethylenepolyol mixtures with bi- and/or trifunctional polyoxypropylenepolyoxyethylenepolyols having a hydroxyl number of from 20 to 70, and b) if required, low molecular weight chain extenders with c) organic and/or modified organic polyisocyanates in the presence of d) catalysts, e) blowing agents, preferably water, and if required, f) assistants and/or additives.
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公开(公告)号：DE3844049A1
公开(公告)日：1990-07-05
申请号：DE3844049
申请日：1988-12-28
Applicant: BASF AG
Inventor： GENZ MANFRED DR , REICH ERHARD , LEPPKES REINHARD DR , LUTTER HEINZ-DIETER DR , RAMLOW GERHARD DR
IPC: C08G18/10 , C08G18/18 , C08G18/40 , C08G18/65 , C08K5/3492
Abstract: The process involves reacting a) organic and/or modified organic polyisocyanates with b) relatively high-molecular-weight polyols and c) 1,6-hexanediol and/or trimethylolpropane in the presence of d) melamine or a mixture of melamine and other flameproofing agents, e) at least one blowing agent and f) at least one catalyst, and optionally g) assistants and/or additives, and uses low-viscosity melamine/polyether-polyol dispersions comprising melamine, 1,6-hexanediol and/or trimethylolpropane and at least one polyether-polyol.
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公开(公告)号：ES2278652T3
公开(公告)日：2007-08-16
申请号：ES01101422
申请日：2001-01-23
Applicant: BASF AG
Inventor： BRUCHMANN BERND DR , BECKER ARMIN DR , LUTTER HEINZ-DIETER DR , SCHERZER DIETRICH DR , SCHAFER HARALD DR
IPC: C08J9/00 , C08L75/04 , C08G18/06 , C08G18/40 , C08G18/48 , C08G18/62 , C08G18/72 , C08G101/00 , C08L75/08 , C08L101/00
Abstract: Procedimiento para la obtención de espumas de poliuretano mediante la reacción de isocianatos con compuestos con, al menos, dos átomos de hidrógeno reactivos con los grupos isocianato, caracterizado porque se emplean isocianatos (ciclo)-alifáticos como isocianatos y la reacción se lleva a cabo en presencia de polímeros orgánicos con solidez a la luz, que provoquen una formación estructural en la espuma de poliuretano, y que se incorporen en la matriz de poliuretano a través de grupos funcionales, elegidos entre el grupo, que contiene polímeros formados por los ácidos (met)acrílicos, los ácidos poliacrílicos esterificados, los polimetil(met)acrilatos, los polihidroxi(met)-acrilatos, las polivinilaminas, las polietileniminas, el alcohol polivinílico así como copolímeros de los compuestos citados con otros monómeros olefínicamente insaturados y que presenten un peso molecular Mw en el intervalo comprendido entre 500 y 50.000 Da, o que no se incorporen en la matriz del poliuretano, elegidos entre el grupo que contiene el polietileno, el polipropileno, el polioximetileno, la poliamida, el policarbonato, el acetato de polivinilo, el cloruro de polivinilo, la polivinilpirrolidona, el politetraflúoretileno, el polibutadieno, el poliisopreno y el poliacrilonitrilo, y que presenten un peso molecular Mw en el intervalo comprendido entre 10.000 y 500.000 Da.
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Patent Agency Ranking
公开(公告)号：AT295381T
公开(公告)日：2005-05-15
申请号：AT98118125
申请日：1998-09-24
Applicant: BASF AG
Inventor： BRUCHMANN BERND DR , LUTTER HEINZ-DIETER DR
Abstract: Cyclic or heterocyclic compounds with at least one reactive hydrogen atom are used as co-reactants in the production of flexible polyurethane (PUR) foam by reacting polyisocyanates with compounds containing at least two isocyanate-reactive hydrogen atoms. An Independent claim is also included for highly elastic and viscoelastic flexible PUR foam made by this process.
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公开(公告)号：AT210159T
公开(公告)日：2001-12-15
申请号：AT98114990
申请日：1998-08-10
Applicant: BASF AG
Inventor： LUTTER HEINZ-DIETER DR , BRUCHMANN BERND DR , WENZEL MARION , WAGNER KLAUS
Abstract: The preparation of polyurethane soft foams involves using polyester polyols as the polyol component and compound containing silicon atoms and polyether chains. - The preparation of polyurethane (PU) soft foams comprises reacting polyisocyanates comprising isocyanate and urethane group-containing prepolymers from diphenylmethane diisocyanate, polyphenyl polymethylene polyisocyanates and polyether polyols with compounds with at least two active hydrogen atoms from polyester polyols in the presence of propellants, catalysts and additives and aids containing silicon atoms and polyether chains. SPECIFIC SUBSTANCES - The polyester polyols have a functionality of 2-4 and a mol. wt. of 1800-3600.
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公开(公告)号：DE19744748A1
公开(公告)日：1999-04-15
申请号：DE19744748
申请日：1997-10-10
Applicant: BASF AG
Inventor： BRUCHMANN BERND DR , LUTTER HEINZ-DIETER DR , RENZ HANS DR , SCHERZER DIETRICH DR , MOHRHARDT GUENTER
Abstract: A novel two-component polyurethane (PUR) system with an at least bifunctional polyisocyanate component includes a polyol component containing cyclic acetal and/or ketal group with at least one hydroxyl group. An Independent claim is also included for a process for the production of PUR by reacting (at least bifunctional) polyisocyanates with cyclic acetals and/or ketals as reactive diluents with reactive hydrogen atoms.
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公开(公告)号：ES2090204T3
公开(公告)日：1996-10-16
申请号：ES91117703
申请日：1991-10-17
Applicant: BASF AG
Inventor： LUTTER HEINZ-DIETER DR , ZSCHIESCHE RUTH DR , GABBERT HANS-JURGEN DR , HAASE VOLKER , FIMMEL KARL
Abstract: The invention relates to a process for the production of flame-resistant soft polyurethane foams which evolve less smoke in the event of fire, by reacting a) organic polyisocyanates and/or modified organic polyisocyanates with b) relatively high-molecular-weight compounds containing at least two reactive hydrogen atoms, and optionally c) chain extenders and/or crosslinking agents, in the presence of d) a mixture of flameproofing agents which contains: di) melamine, dii) expandable graphite and optionally diii) at least one additional other flameproofing agent, preferably a modified or unmodified ammonium polyphosphate, e) blowing agents, f) catalysts, and optionally g) assistants and/or additives, and melamine/expandable graphite/polyether-polyol dispersions which are suitable for this purpose.
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公开(公告)号：AT141313T
公开(公告)日：1996-08-15
申请号：AT91117703
申请日：1991-10-17
Applicant: BASF AG
Inventor： LUTTER HEINZ-DIETER DR , ZSCHIESCHE RUTH DR , GABBERT HANS-JUERGEN DR , HAASE VOLKER , FIMMEL KARL
Abstract: The invention relates to a process for the production of flame-resistant soft polyurethane foams which evolve less smoke in the event of fire, by reacting a) organic polyisocyanates and/or modified organic polyisocyanates with b) relatively high-molecular-weight compounds containing at least two reactive hydrogen atoms, and optionally c) chain extenders and/or crosslinking agents, in the presence of d) a mixture of flameproofing agents which contains: di) melamine, dii) expandable graphite and optionally diii) at least one additional other flameproofing agent, preferably a modified or unmodified ammonium polyphosphate, e) blowing agents, f) catalysts, and optionally g) assistants and/or additives, and melamine/expandable graphite/polyether-polyol dispersions which are suitable for this purpose.
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