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21.
公开(公告)号:DE3167820D1
公开(公告)日:1985-01-31
申请号:DE3167820
申请日:1981-07-09
Applicant: BASF AG
Inventor: CHAKRABARTI SARBANANDA , HUTCHISON JOHN DR , VOLKERT OTTO DR
Abstract: Adhesive products comprising an aminoalkyltrialkoxysilane, polyvinyl chloride powder, silicic acid and an organic solvent are employed to attach cover layers to cellular and non-cellular polyurethanes.
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公开(公告)号:DE2061288A1
公开(公告)日:1972-06-22
申请号:DE2061288
申请日:1970-12-12
Applicant: BASF AG
Inventor: VOLKERT OTTO DR , SCHRODT GERD , ZUERGER MANFRED
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公开(公告)号:ES2057048T5
公开(公告)日:2000-01-01
申请号:ES89118740
申请日:1989-10-09
Applicant: BASF AG
Inventor: VOLKERT OTTO DR , REICH ERHARD DR , TINTELNOT DIETER
Abstract: The invention relates to a process for the production of mouldings having a compact outer layer and a cellular core, for example soft, flexible shoe soles, having a density of from 0.4 to 1.0 g/cm , by reacting a) organic and/or modified organic polyisocyanates with b) at least one high-molecular-weight compound containing at least two reactive hydrogen atoms and, if desired, c) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of d) low-boiling aliphatic and/or cycloaliphatic hydrocarbons having 4 to 8 carbon atoms in the molecule, preferably pentanes, as blowing agent, e) catalysts and, if desired, f) assistants and/or additives. l
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公开(公告)号:ES2126557T3
公开(公告)日:1999-04-01
申请号:ES91109640
申请日:1991-06-12
Applicant: BASF AG
Inventor: BOEHME RALF , VOLKERT OTTO DR
Abstract: A process for the preparation of cellular plastics, preferably rigid structural polyurethane foams, by the polyisocyanate polyaddition process involves reacting a) organic and/or modified organic polyisocyanates with b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, and optionally c) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of d) blowing agents from the group comprising tertiary alcohols (di), preferably tertiary butanol, or a mixture of at least one tertiary alcohol (di) and water (dii), e) catalysts and optionally f) assistants and/or additives. a
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公开(公告)号:DE19742568A1
公开(公告)日:1999-04-01
申请号:DE19742568
申请日:1997-09-26
Applicant: BASF AG
Inventor: VOLKERT OTTO DR , ROTERMUND UDO DR , BIEDEMANN ANJA DR , HEINZ MARION
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公开(公告)号:ES2095354T3
公开(公告)日:1997-02-16
申请号:ES92110451
申请日:1992-06-20
Applicant: BASF AG
Inventor: VOLKERT OTTO DR
Abstract: The invention relates to a process for the preparation of rigid foams containing urethane groups or urethane and isocyanurate groups, by reacting a) organic and/or modified organic polyisocyanates with b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, and optionally c) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of d) blowing agents, e) catalysts and optionally f) assistants and/or additives, where the blowing agent (d) used is at least one vinylfluoroalkane of the formula CH2=CH-CnF2n+1 in which n is an integer from 1 to 6 (di), or mixtures of at least one such vinylfluoroalkane (di) and at least one further physical and/or chemical blowing agent (dii) which is different from (di), and to blowing agent-containing emulsions which contain at least one vinylfluoroalkane and at least one formative component (a), (b), (c) or (b) and (c).
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公开(公告)号:AT146204T
公开(公告)日:1996-12-15
申请号:AT92110451
申请日:1992-06-20
Applicant: BASF AG
Inventor: VOLKERT OTTO DR
Abstract: The invention relates to a process for the preparation of rigid foams containing urethane groups or urethane and isocyanurate groups, by reacting a) organic and/or modified organic polyisocyanates with b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, and optionally c) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of d) blowing agents, e) catalysts and optionally f) assistants and/or additives, where the blowing agent (d) used is at least one vinylfluoroalkane of the formula CH2=CH-CnF2n+1 in which n is an integer from 1 to 6 (di), or mixtures of at least one such vinylfluoroalkane (di) and at least one further physical and/or chemical blowing agent (dii) which is different from (di), and to blowing agent-containing emulsions which contain at least one vinylfluoroalkane and at least one formative component (a), (b), (c) or (b) and (c).
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公开(公告)号:ES2057048T3
公开(公告)日:1994-10-16
申请号:ES89118740
申请日:1989-10-09
Applicant: BASF AG
Inventor: VOLKERT OTTO DR , REICH ERHARD DR , TINTELNOT DIETER
Abstract: The invention relates to a process for the production of mouldings having a compact outer layer and a cellular core, for example soft, flexible shoe soles, having a density of from 0.4 to 1.0 g/cm , by reacting a) organic and/or modified organic polyisocyanates with b) at least one high-molecular-weight compound containing at least two reactive hydrogen atoms and, if desired, c) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of d) low-boiling aliphatic and/or cycloaliphatic hydrocarbons having 4 to 8 carbon atoms in the molecule, preferably pentanes, as blowing agent, e) catalysts and, if desired, f) assistants and/or additives. l
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公开(公告)号:DE59004062D1
公开(公告)日:1994-02-17
申请号:DE59004062
申请日:1990-01-30
Applicant: BASF AG
Inventor: FISCH HERBERT DR , MAEMPEL LOTHAR DR , VOLKERT OTTO DR
IPC: C08G18/08 , C08G18/10 , C08L61/10 , C09J175/04
Abstract: Emulsifier-free aqueous polyurethane dispersions are prepared by reacting (a) dihydroxy compounds, (b) diisocyanates and (c) chain extenders to give a prepolymer having terminal isocyanate groups, then reacting the prepolymer with (d) salts of aliphatic aminocarboxylic or -sulfonic acids or amino-containing or hydroxyl-containing tertiary ammonium salts, dispersing the resulting polyurethane in water and, if required, removing the organic solvent by distillation. In the process, an organic condensation resin which is dissolved in a solvent is admixed before the polyurethane obtained is dispersed in water.
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