-
公开(公告)号：ES2081292T3
公开(公告)日：1996-03-01
申请号：ES89110559
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.
-
公开(公告)号：DE58909564D1
公开(公告)日：1996-02-22
申请号：DE58909564
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.
-
-
公开(公告)号：ES2063212T3
公开(公告)日：1995-01-01
申请号：ES90115345
申请日：1990-08-10
Applicant: BASF AG
Inventor： HORN PETER DR , HINZ WERNER DR , HECKMANN WALTER DR , RAMSTEINER FALKO DR , GEROLD FRIEDRICH
IPC: A61L31/00 , A61L2/07 , A61L27/18 , A61L27/34 , A61L27/44 , B01D63/02 , B01D65/00 , C08G18/10 , C08G18/12 , C08G18/48 , C08G18/66 , C08G18/72 , C08G18/76
Abstract: The present invention relates to transparent essentially non-cellular polyurethane casting compositions that are sterilizable with superheated steam which are prepared by reacting: (A) modified diphenylmethane diisocyanates (A) liquid at 23 DEG C. obtained by reacting (A1) 4,4'-diphenylmethane diisocyanate or (A2) 2,4'-diphenylmethane diisocyanate or (A3) a diphenylmethane diisocyanate mixture with (A4) at least one polyoxypropylene polyol and/or (A5) at least one polyoxypropylene polyoxyethylene polyol containing 1 to 80 weight percent of ethylene oxide units whereby (A4) and (A5) have a functionality of 4 to 8 and a hydroxyl number of 150 to 500 and are obtained while using sucrose and/or preferably sorbitol as initiator molecules (A6) a mixture of (A4) and/or (A5) and at least one polyoxypropylene polyol and/or polyoxyethylene polyol initiated with glycerine and/or trimethylolpropane in a NCO:OH group ratio of 2.5:1 to 15:1 with (B) at least one compound having at least reactive hydrogen atoms which preferably contains no primary, secondary or tertiary amino groups in bonded form in the presence of or absence of (C) catalysts. The present invention also relates to a process for the preparation of polyurethane casting compositions and their use for medical-technical articles.
-
公开(公告)号：ES2059415T3
公开(公告)日：1994-11-16
申请号：ES88104301
申请日：1988-03-18
Applicant: BASF AG
Inventor： MATZKE GUENTER DR , HORN PETER DR , SCHMIDT HANS ULRICH
IPC: C08G18/30 , B29C45/00 , C08G18/00 , C08G18/10 , C08G18/32 , C08G18/50 , C08G18/65 , C08G18/66 , C08G18/80 , C08G65/32
Abstract: The subject of this invention is elastomers containing polyamide groups and polyurea groups in bonded form, which are prepared by the reaction of (a) at least one organic polyisocyanate and/or a modified polyisocyanate mixture having an NCO content of from 8 to 33.6 weight percent, (b) at least one polyazomethine and (c) at least one alkyl-substituted aromatic polyamine having a molecular weight up to 500, in the presence of or in the absence of (d) catalysts, whereby reaction products of polyoxyalkylenepolyamines, having a functionality of from 2 to 4 and an average molecular weight of from 180 to 10,000 and at least one organic aldehyde and/or preferably ketone, are used as the polyazomethines.
-
Patent Agency Ranking
公开(公告)号：DE4139520A1
公开(公告)日：1993-06-03
申请号：DE4139520
申请日：1991-11-30
Applicant: BASF AG
Inventor： HORN PETER DR , MUELLER ULRICH DR , HOELDERICH WOLFGANG DR , TADDEY RUDOLF , TINTELNOT DIETER , SCHUSTER LUDWIG DR
IPC: B65D6/14 , C08G18/08 , C08G18/10 , C08G18/12 , C08G18/66 , C08J9/00 , C08J9/02 , C08J9/34 , C08K3/04 , C08K3/36 , B65D1/12 , C08K7/24 , C08L75/00
Abstract: The invention relates to a process for the preparation of chlorofluorocarbon-free (CFC-free), elastomeric, semi-rigid or rigid mouldings containing urethane groups or urethane and urea 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 microporous activated charcoal and/or a microporous carbon molecular sieve, which preferably has a mean pore diameter with more than 40% in the range from 0.3 to 3 nm, a pore volume of from 0.20 to 1.4 ml/g and a BET surface area of from 500 to 2500 m /g or greater, and optionally further additives and g) auxiliaries, in a closed mould with compaction.
-
公开(公告)号：DE4134693A1
公开(公告)日：1993-04-22
申请号：DE4134693
申请日：1991-10-21
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：DE3484265D1
公开(公告)日：1991-04-18
申请号：DE3484265
申请日：1984-11-14
Applicant: BASF AG
Inventor： HORN PETER DR , HESSE ANTON DR , MANN WALTER , FRANK WOLFRAM DR , MARX MATTHIAS DR , HECKMANN WALTER DR
Abstract: Crystallite suspensions containing from 3 to 70 weight percent of a crystalline, ethylenically unsaturated polyester prepared through condensation polymerization, and having a molecular weight factor per double bond of 154.4 to 408, as the dispersed phase, and from 30 to 97 weight percent of a polyhydroxyl compound having a functionality of from 2 to about 8, a hydroxyl number of from 20 to 800, and a melting point of less than 30 DEG C. as the coherent phase are suitable for preparing non-cellular and cellular polyurethane- or polyurethane group-containing polyisocyanurate foams.
-
公开(公告)号：AT52744T
公开(公告)日：1990-06-15
申请号：AT83106769
申请日：1983-07-11
Applicant: BASF AG
Inventor： HORN PETER DR , GEHM ROBERT DR , MARX MATTHIAS DR , ROEBER ARTUR
-
公开(公告)号：DE3838031A1
公开(公告)日：1990-05-10
申请号：DE3838031
申请日：1988-11-09
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.
-
-
-
-
-
-
-
-
-
Search Results
160
records
(took 0.024 seconds)
