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公开(公告)号：DK0539819T3
公开(公告)日：1998-10-12
申请号：DK92117788
申请日：1992-10-17
Applicant: BASF AG
Inventor： HINZ WERNER DR , ADAMS STEFAN DR , KOEHLER ULRICH DR , MALETZKO CHRISTIAN DR , VORSPOHL KLAUS DR , ZSCHIESCHE RUTH DR
Abstract: The invention relates to highly reactive polyoxyalkylenepolyols prepared by oxalkylation of an initiator molecule containing at least 2 reactive hydrogen atoms and at least one tertiary amino group bonded via a spacer bridge, which preferably comprises an alkylene radical having at least 3 carbon atoms, by means of at least one alkylene oxide, preferably ethylene oxide and/or 1,2-propylene oxide, to a process for the preparation of these polyoxyalkylenepolyols, and to their use for the preparation of compact or cellular, preferably flexible, polyisocyanate polyaddition products.
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公开(公告)号：ES2117023T3
公开(公告)日：1998-08-01
申请号：ES92117788
申请日：1992-10-17
Applicant: BASF AG
Inventor： HINZ WERNER DR , ADAMS STEFAN DR , KOEHLER ULRICH DR , MALETZKO CHRISTIAN DR , VORSPOHL KLAUS DR , ZSCHIESCHE RUTH DR
Abstract: The invention relates to highly reactive polyoxyalkylenepolyols prepared by oxalkylation of an initiator molecule containing at least 2 reactive hydrogen atoms and at least one tertiary amino group bonded via a spacer bridge, which preferably comprises an alkylene radical having at least 3 carbon atoms, by means of at least one alkylene oxide, preferably ethylene oxide and/or 1,2-propylene oxide, to a process for the preparation of these polyoxyalkylenepolyols, and to their use for the preparation of compact or cellular, preferably flexible, polyisocyanate polyaddition products.
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公开(公告)号：ES2110460T3
公开(公告)日：1998-02-16
申请号：ES92117083
申请日：1992-10-07
Applicant: BASF AG
Inventor： HORN PETER DR , HINZ WERNER DR , KNOBLAUCH GEORG , RAMSTEINER FALKO DR , KNORR GOTTFRIED DR
IPC: A61L29/00 , A61F2/00 , A61L27/34 , A61M5/00 , B01D63/02 , C08G18/02 , C08G18/10 , C08G18/12 , C08G18/48 , C08G18/50 , C08G18/66 , C08G18/76
Abstract: The invention relates to transparent, autoclavable, non-cytotoxic, essentially compact polyurethane embedding compositions which are prepared by reacting a) modified diphenylmethane diisocyanates with b) compounds with at least two reactive hydrogens, which contain or are composed of b1) at least one polyether-polyol with an average functionality of from 3 to 8, a hydroxyl number of from 200 to 1000 and an alkali metal ion content of from 150 to 1200 ppm or, preferably, a mixture of (b1) and castor oil and/or at least one polyetherpolyol (b2) with a functionality of from 2 to 3, a hydroxyl number of from 90 to 200 and an alkali metal ion content of less than 10 ppm in the presence or absence of c) catalysts and to a process for preparing the polyurethane embedding compositions and to the use thereof for articles used in medicine.
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74.发明专利
公开(公告)号：DE19630281A1
公开(公告)日：1998-01-29
申请号：DE19630281
申请日：1996-07-26
Applicant: BASF AG
Inventor： GUETTES BERND , HINZ WERNER DR , SCHERZER DIETRICH DR , TISCHER GERLINDE , KNORR GOTTFRIED DR
IPC: C08G18/12 , C08G18/48 , C08G63/668 , C08G65/332 , F25D23/06 , C08G18/42 , C08G18/66 , C08G65/26 , C08G65/32 , C08G63/85 , C08L75/04 , C08J9/04
Abstract: A method for the preparation of polyurethane foams comprises the reaction of: (A) optionally modified organic di- and/or polyisocyanates; with (B) polyether polyols, prepared by polymerisation of alkylene oxides with starter compounds containing functional hydrogen atoms and optional additional high molecular weight compounds containing at least two reactive hydrogen atoms; and (C) optional low molecular weight chain extenders and/or cross-linking agents ; in the presence of (D) propellents; (E) catalysts; and (F) optional further auxiliary agents and/or additives. (B) are treated with carboxylic acids containing at least four carbon atoms during and/or after the polymerisation reaction between alkylene oxides and H-functional starter compounds.
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公开(公告)号：DE59404760D1
公开(公告)日：1998-01-22
申请号：DE59404760
申请日：1994-05-28
Applicant: BASF AG
Inventor： HINZ WERNER DR , HENN ROLF DR , KEPPELER UWE DR , GUETTES BERND
IPC: C08G18/48 , C08G18/66 , C08G65/26 , C08G65/28 , C08G65/333
Abstract: The invention relates to a process for the production of rigid polyurethane foams 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) auxiliaries and/or additives, where the relatively high-molecular-weight compounds containing at least two reactive hydrogen atoms (b) are polyoxyproylene-polyols and/or polyoxyethylene-polyoxypropylene-polyols containing up to 20 % by weight, based on the weight of the alkylene oxide units, of pendant oxyethylene units containing secondary hydroxyl groups, and having a functionality of from 3.8 to 4.1, a hydroxyl number of from 385 to 410 mg of KOH/g, a viscosity of from 1,700 to 2,400 mPas at 25@C, preparable by anionic polymerisation of 1,2-propylene oxide and, where appropriate, ethylene oxide onto an initiator (starter) molecule mixture comprising sucrose, pentaerythritol and diethylene glycol.
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Patent Agency Ranking
公开(公告)号：ES2109544T3
公开(公告)日：1998-01-16
申请号：ES94108202
申请日：1994-05-28
Applicant: BASF AG
Inventor： HINZ WERNER DR , HENN ROLF DR , KEPPELER UWE DR , GUETTES BERND
IPC: C08G18/48 , C08G18/66 , C08G65/26 , C08G65/28 , C08G65/333
Abstract: The invention relates to a process for the production of rigid polyurethane foams 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) auxiliaries and/or additives, where the relatively high-molecular-weight compounds containing at least two reactive hydrogen atoms (b) are polyoxyproylene-polyols and/or polyoxyethylene-polyoxypropylene-polyols containing up to 20 % by weight, based on the weight of the alkylene oxide units, of pendant oxyethylene units containing secondary hydroxyl groups, and having a functionality of from 3.8 to 4.1, a hydroxyl number of from 385 to 410 mg of KOH/g, a viscosity of from 1,700 to 2,400 mPas at 25@C, preparable by anionic polymerisation of 1,2-propylene oxide and, where appropriate, ethylene oxide onto an initiator (starter) molecule mixture comprising sucrose, pentaerythritol and diethylene glycol.
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公开(公告)号：DK0573867T3
公开(公告)日：1997-07-28
申请号：DK93108738
申请日：1993-06-01
Applicant: BASF AG
Inventor： BRUCHMANN BERND DR , HINZ WERNER DR , BECKER JOHANNES DR , MALETZKO CHRISTIAN DR , CHAKRABARTI SARBANANDA
Abstract: The invention relates to a process for the preparation of elastic, cellular or compact elastomers containing bonded urethane groups or urethane and urea groups, preferably elastomer mouldings, in particular airbag covers, by reacting a) at least one organic and/or modified organic polyisocyanate with b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, c) at least one N-perethoxylated polyoxyalkylene-polyamine and d) low-molecular-weight chain extenders and/or crosslinking agents, in the presence or absence of e) catalysts, f) auxiliaries and g) blowing agents, in a mould.o
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公开(公告)号：DE19546371A1
公开(公告)日：1997-06-19
申请号：DE19546371
申请日：1995-12-12
Applicant: BASF AG
Inventor： HINZ WERNER DR , KRECH RUEDIGER , ROTERMUND UDO DR , BAUM EVA
IPC: C08G18/10 , C08G18/12 , C08G18/40 , C08G18/64 , C08G18/42 , C08G18/48 , C08G18/50 , C08G18/65 , C08L75/04 , D06N7/00
Abstract: A method of preparing an isocyanate prepolymer mixture containing urethane groups and reactive isocyanate groups, comprises reacting: (a) di- and/or polyisocyanate(s) with: (b-1) oligo- and/or polysaccharide(s); and optionally (b-2) polyester-polyol(s) and/or polyether-polyol(s) to give the isocyanate prepolymer mixture containing 5-30 wt.% reactive isocyanate groups. Also claimed are: (1) the isocyanate prepolymer mixt.; (2) use of a reaction extruder in the preparation of an isocyanate prepolymer mixture; (3) a method (I) of producing compact or cellular polyurethane containing oligo- and/or polysaccharide(s) from an isocyanate prepolymer mixture; (4) the polyurethane per se; and (5) mouldings made from the polyurethane.
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公开(公告)号：DE19545165A1
公开(公告)日：1997-06-05
申请号：DE19545165
申请日：1995-12-04
Applicant: BASF AG
Inventor： HINZ WERNER DR , VORSPOHL KLAUS DR , GUETTES BERND
Abstract: Preparation of open cell polyurethane foams comprises reacting the following components: (A) (modified) organic di- and/or polyisocyanates; (B) high molecular weight compounds with at least two reactive hydrogen atoms; (C) fatty chemical, cell-opening polyols obtained by the addition of nucleophilic compounds to triglycerides containing epoxy groups; and (D) optional chain extenders and/or cross-linking agents, in the presence of (E) propellants, (F) catalysts and (G) optional additives. Also claimed are (i) foams prepared by this method, and (ii) the use of (C) for the preparation of open cell polyurethane foams.
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公开(公告)号：DE59305695D1
公开(公告)日：1997-04-17
申请号：DE59305695
申请日：1993-06-01
Applicant: BASF AG
Inventor： HINZ WERNER DR , MALETZKO CHRISTIAN DR , CHAKRABARTI SARBANANDA , BECKER JOHANNES DR , BRUCHMANN BERND DR
Abstract: The invention relates to a process for the preparation of elastic, cellular or compact elastomers containing bonded urethane groups or urethane and urea groups, preferably elastomer mouldings, in particular airbag covers, by reacting a) at least one organic and/or modified organic polyisocyanate with b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, c) at least one N-perethoxylated polyoxyalkylene-polyamine and d) low-molecular-weight chain extenders and/or crosslinking agents, in the presence or absence of e) catalysts, f) auxiliaries and g) blowing agents, in a mould.o
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