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公开(公告)号:CA2038126A1
公开(公告)日:1991-09-15
申请号:CA2038126
申请日:1991-03-11
Applicant: BRUCHMANN BERND , BORSCHEL EVA MARIE , OTTO BERNHARD , LANGER WERNER , MINGES ROLAND , STRAEHLE WOLFGANG , PEE WILLY VAN
Inventor: BRUCHMANN BERND , BORSCHEL EVA-MARIE , OTTO BERNHARD , LANGER WERNER , MINGES ROLAND , STRAEHLE WOLFGANG , VAN PEE WILLY
IPC: C07C209/84 , C07C211/50
Abstract: A method of improving the quality of crude diaminodiphenylmethanes comprising the treatment thereof with hydrogen in the presence of a hydrogenation catalyst.
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公开(公告)号:CA2036411A1
公开(公告)日:1991-08-17
申请号:CA2036411
申请日:1991-02-15
Applicant: BOTT KASPAR , STRAEHLE WOLFGANG , ABEL ULRICH
Inventor: BOTT KASPAR , STRAEHLE WOLFGANG , ABEL ULRICH
IPC: C08G18/48 , C08G18/42 , C08G18/44 , C08G63/64 , C08G63/66 , C08G64/00 , C08G64/02 , C08G65/32 , C08G69/40 , C08G69/44 , C07C69/96 , C07D317/36
Abstract: Polyether polycarbonate diols built up essentially from …… A) from 3 to 63.7 mol% of units derived from a polyoxytetramethylenediol, … B) from 3 to 63.7 mol% of units derived from a polyoxyalkylenediol which is different from A) and contains C2- to C8-alkylene groups, an aliphatic alkanediol having 2 to 14 carbon atoms, an alicyclic alkanediol having 3 to 14 carbon atoms or an alkylene oxide having 2 or 3 carbon atoms, or mixtures thereof, and … C) from 33.3 to 50 mol% of units derived from phosgene, a dialkyl carbonate containing C1- to C4-alkyl groups, or a cyclic carbonate containing C2- to C4-alkylene bridges, or mixtures thereof. …
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公开(公告)号:CA2036410A1
公开(公告)日:1991-08-17
申请号:CA2036410
申请日:1991-02-15
Applicant: BOTT KASPAR , STRAEHLE WOLFGANG , ABEL ULRICH
Inventor: BOTT KASPAR , STRAEHLE WOLFGANG , ABEL ULRICH
IPC: C08G18/32 , C08G18/42 , C08G18/44 , C08G18/48 , C08G18/66 , C08G63/66 , C08G64/00 , C08G64/02 , C08G69/40 , C08G63/42
Abstract: - 12 - O.Z. 0050/41420 s In thermoplastic elastomers selected from the group consisting of the thermoplastic polyurethanes, of the polyetheresters and of the polyetheramides which are derived from polyetherpolycarbonatediols as diol components, the polyetherpolycarbonatediols used are reaction products of phosgene, dialkyl carbonates having C1-C4-alkyl groups or cyclic carbonates having C2-C4-alkylene bridges or mixtures thereof with mixtures of a1) from 10 to 100 mol % of polyoxytetramethylenediol having a number average molecular weight ?n of from 150 to 500 and a2) from 0 to 90 mol % of polyoxyalkylenediols which differ from a1) and have C2-C8-alkylene groups, aliphatic alkanediols of 2 to 14 carbon atoms, alicyclic alkanediols of 3 to 14 carbon atoms or alkylene oxides of 2 or 3 carbon atoms, or mixtures thereof.
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公开(公告)号:CA2079245A1
公开(公告)日:1993-03-27
申请号:CA2079245
申请日:1992-09-28
Applicant: GROLL PETER , STRAEHLE WOLFGANG , MUELLER HERBERT
Inventor: GROLL PETER , STRAEHLE WOLFGANG , MUELLER HERBERT
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公开(公告)号:CA2061062A1
公开(公告)日:1992-08-13
申请号:CA2061062
申请日:1992-02-12
Applicant: ABEL ULRICH , LEHRICH FRIEDHELM , STRAEHLE WOLFGANG , GROLL PETER , BASF AG
Inventor: ABEL ULRICH , LEHRICH FRIEDHELM , STRAEHLE WOLFGANG , GROLL PETER
Abstract: The invention relates to a process for the preparation of polyurethane elastomers by reacting …… a) organic and/or modified organic polyisocyanates with … b) at least one relatively high-molecular-weight polyoxybutylene- polyoxyalkylene glycol from the group consisting of polyoxybutylene- polyoxyethylene glycol, polyoxybutylene-polyoxypropylene glycol and/or polyoxybutylene- polyoxypropylene-polyoxyethylene glycol, … c) at least one chain extender and/or crosslinking agent and … d) at least one glycidyl compound containing units of the structure … … in which …… n is a number from 1 to 6, … X is an alkylene, arylene, -O- or -N- bridging member, and … R and R are identical or different radicals from the group consisting of hydrogen, methyl and ethyl, … in the presence or absence of … e) blowing agents, … f) catalysts, and … g) assistants and/or additives, … and mixtures of polyoxybutylene-polyoxyalkylene glycols (b) and glycidyl compounds (d).
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公开(公告)号:CA2061062C
公开(公告)日:1999-11-16
申请号:CA2061062
申请日:1992-02-12
Applicant: ABEL ULRICH , LEHRICH FRIEDHELM , STRAEHLE WOLFGANG , GROLL PETER
Inventor: ABEL ULRICH , LEHRICH FRIEDHELM , STRAEHLE WOLFGANG , GROLL PETER
Abstract: A process for the preparation of a polyurethane elastomer by reacting a) an organic and/or modified organic polyisocyanate with b) at least one relatively high-molecular-weight poly-oxybutylene-polyoxyalkylene glycol from the group comprising polyoxybutylene-polyoxyethylene glycols, polyoxybutylene-polyoxypropylene glycols and/or polyoxybutylene-polyoxypropylene-polyoxyethylene glycols, c) at least one chain extender and/or crosslinking agent and d) at least one glycidyl compound containing units having the structure in which n is a number from 1 to 6, X is an alkylene, arylene, -O- or -N- bridge, and R1 and R2 are identical or different and are hydrogen, methyl or ethyl, in the presence or absence of e) blowing agents, f) catalysts and g) assistants and/or additives, and mixtures of polyoxybutylene-polyoxyalkylene glycols (b) and glycidyl compounds (d).
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