-
公开(公告)号:ES2178340T3
公开(公告)日:2002-12-16
申请号:ES99125086
申请日:1999-12-16
Applicant: BASF AG
Inventor: HORN PETER DR , SCHWABISCH HANS
Abstract: Low-fogging catalysts for polyurethane (PU) production, obtained by reacting (a) polymeric compounds containing carboxylic acid and/or anhydride groups with (b) compounds with primary or secondary amino group(s) and/or compounds with tertiary amino group(s) and group(s) which react with acid or anhydride groups. Independent claims are also included for: (i) A process as described above for the production of low-fogging catalysts; (ii) a process for the production of PU by reacting polyisocyanates with compounds containing at least two isocyanate-reactive groups in presence of these catalysts; (iii) polyurethanes obtained by this process.
-
公开(公告)号:DE19804911A1
公开(公告)日:1999-08-12
申请号:DE19804911
申请日:1998-02-07
Applicant: BASF AG
Inventor: HORN PETER DR , SCUPIN HANSJOACHIM , STADLER EDMUND DR , TINTELNOT DIETER , TREULING ULRICH DR
IPC: C08G18/08 , C08G18/09 , C08G18/12 , C08G18/16 , C08G18/20 , C08G18/34 , C08G18/40 , C08G18/65 , C08G18/66 , C08G18/79 , C08J9/00 , C08J9/08 , C08J9/34 , C08J9/06
Abstract: The present invention relates to a method for producing soft and elastic, semi-hard or hard moulded bodies of polyurethane which are fluorochlorohydrocarbon-free and have a cellular core as well as a compacted side area. This method comprises reacting a) polyisocyanates with b) at least one compound having at least two reactive hydrogen atoms, with c) foaming agents, with d) catalysts and with e) optional auxiliary agents and/or additives. This method is characterised in that the foaming agents c) contain c1) at least one carbodiimide-forming catalyst and c2) at least one carboxylic acid and/or the anhydride thereof.
-
公开(公告)号:DE19745613A1
公开(公告)日:1999-04-22
申请号:DE19745613
申请日:1997-10-15
Applicant: BASF AG
Inventor: BAUMANN EDWIN , HAEBERLE KARL DR , HORN PETER DR , TREULING ULRICH DR , SCHWAEBISCH HANS
IPC: C08G18/66 , C08G81/02 , C08L75/04 , C09K23/52 , C08L31/00 , C08L35/00 , C08L71/02 , C08J5/00 , C08J5/18 , D01F6/70 , C08J9/16 , B01F17/52 , C08G18/48
Abstract: Polyurethane synthesis composition using a polymeric emulsifier having a backbone consisting of a copolymer of 4-12C unsaturated dicarboxylic acid or anhydrides and 2-40C olefins, with polyoxyalkylene side chains derived from 2-20C oxiranes. A polyurethane (PU) synthesis composition containing, as emulsifier, a polymer (T) with (at least) a copolymer backbone (TR) derived from 4-12 carbon(C) unsaturated dicarboxylic acid(s) and/or their anhydrides (TR1) and 2-40 C olefin(s) (TR2), and having polyalkylene oxide side chain (TP) derived from 2-20 C oxirane(s) (TP1), together with at least two compounds (a) comprising at least two reactive hydrogen atoms, at least one of which is insoluble. Independent claims are also included for: (a) a process for the production of synthesis composition by contacting the components in presence of a polymer; (b) a PU synthesis composition obtained; (c) a polyurethane obtained by bringing the synthesis composition into contact with a polyisocyanate; and (d) moldings, fibers, coatings, paint, sheets and a foam made from the PU compositions.
-
公开(公告)号:DE19648192A1
公开(公告)日:1998-06-04
申请号:DE19648192
申请日:1996-11-21
Applicant: BASF AG
Inventor: GENZ MANFRED DR , PRISSOK FRANK DR , HORN PETER DR , KRECH RUEDIGER , LEHR GERHARD , KING HORST DR
Abstract: A process for the production of thermoplastic polyurethane by reacting (a) isocyanates with (b) isocyanate-reactive compounds, optionally in presence of (c) chain extenders, (d) catalysts and (e) conventional additives etc., in which pulverised crosslinked polyurethane is added to the reaction mixture before, during and/or after reaction.
-
公开(公告)号:AT161859T
公开(公告)日:1998-01-15
申请号:AT92117083
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.
-
公开(公告)号:AT161559T
公开(公告)日:1998-01-15
申请号:AT94106805
申请日:1994-05-02
Applicant: BASF AG
Inventor: HORN PETER DR , HINZ WERNER DR , JUNG LUDWIG
IPC: C08G18/08 , C08G18/00 , C08G18/22 , C08G18/30 , C08G18/32 , C08G18/48 , C08G18/50 , C08G18/65 , C08G18/66 , C08G101/00 , C08J9/00
Abstract: The invention relates to a process for the production of polyurethane foams, preferably semirigid polyurethane foams, having an improved foam structure by reacting a) organic and/or modified organic polyisocyanates with b) polyhydroxyl compounds having at least 2 reactive hydrogen atoms and c) crosslinking agents comprising at least one polyoxyalkylene polyol having a mean functionality of 3 to 8 and a hydroxyl number of from 200 to 1300 ppm, and having an alkali ion content of from 150 to 1200 ppm, in the presence of d) blowing agents, e) optionally catalysts, f) inorganic and/or organic acids as additive and g) optionally auxiliaries.
-
公开(公告)号:DE59108711D1
公开(公告)日:1997-06-26
申请号:DE59108711
申请日:1991-10-15
Applicant: BASF AG
Inventor: HORN PETER DR , HOELDERICH WOLFGANG DR , TADDEY RUDOLF , TINTELNOT DIETER
IPC: B29C45/00 , B29C44/00 , B29K75/00 , B29L31/56 , C08G18/00 , C08G18/08 , C08G101/00 , C08J9/00 , C08J9/02 , C08J9/34 , C08K7/26 , C08L75/00
Abstract: The invention relates to a process for the production of soft-elastic mouldings which contain urethane groups and are free from chlorofluorocarbons (CFCs), and have a cellular core and a compacted peripheral zone with an essentially pore-free, smooth surface, 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, f) crystalline, microporous molecular sieves having a cavity diameter and cavity entrance aperture of less than 1.3 nm, comprising metal oxides or metal phosphates and optionally further additives, and g) assistants, in a closed mould with compaction, expediently by reaction injection moulding (RIM).
-
公开(公告)号:DE19533610A1
公开(公告)日:1997-03-13
申请号:DE19533610
申请日:1995-09-11
Applicant: BASF AG
Inventor: HORN PETER DR , LEHR GERHARD , CHAKRABARTI SARBANANDA , HERTEL DIETER , JUNG LUDWIG
-
公开(公告)号:DK0513573T3
公开(公告)日:1996-11-18
申请号:DK92106987
申请日:1992-04-24
Applicant: BASF AG
Inventor: HORN PETER DR , TINTELNOT DIETER , SATTLER ULF , TADDEY RUDOLF , MUELLER ULRICH DR , HOELDERICH WOLFGANG PROF DR
IPC: C08G18/08 , C08G18/00 , C08G101/00 , C08J9/00 , C08J9/02 , C08J9/10 , C08J9/34 , C08K3/36 , C08L75/00 , C08L75/04
Abstract: The invention relates to a process for the preparation of CFC-free, soft and elastic, semi-rigid or rigid mouldings containing urethane groups and having a cellular core and a compacted peripheral zone with an essentially pore-free, smooth surface, 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, f) at least one amorphous, microporous silica gel which preferably has a mean pore diameter with more than 40 % in range from 0.1 to 10 nm, a pore volume of from 0.15 to 1.8 ml/g and a BET surface area of from 200 to 900 m /g, and optionally further additives, and g) assistants, in a closed mould with compaction. t
-
公开(公告)号:AT132881T
公开(公告)日:1996-01-15
申请号:AT89110559
申请日:1989-06-10
Applicant: BASF AG
Inventor: HORN PETER DR , REICH ERHARD DR , HENNING RAINER DR
Abstract: The invention relates to polyurethane mouldings which are provided with a contoured, multilayer film and comprise a) a top layer of paint, b) a middle layer of a urethane- and/or urea-containing film, produced from a thermocurable mixture which has a long shelf life at room temperature, and c) a rear layer of a compact or cellular polyurethane, which may optionally contain inserts and/or reinforcing material, and to a process for the production of the polyurethane mouldings according to the invention and to their use.
-
-
-
-
-
-
-
-
-