公开(公告)号：AU728982B2

公开(公告)日：2001-01-25

申请号：AU3439097

申请日：1997-06-30

Applicant: BASF AG

Inventor： GENZ MANFRED ,  HASELHORST WALTER ,  JESCHKE TORSTEN ,  NICHAU UTE ,  BOLLMANN HEINZ ,  STRAUSS MICHAEL ,  SCHOLZ WOLFGANG ,  VOELKEL RUDIGER ,  PEUKER HARTMUT ,  HELLMANN GERHARD

IPC: C08G18/10 ,  C08G18/42 ,  C08G18/48 ,  C08G18/66 ,  C08G18/72 ,  C08G18/76 ,  C08G101/00 ,  C08J3/14

Abstract: Compact and preferably cellular polyurethane elastomers are prepared by reactinga) relatively high molecular weight polyhydroxyl compounds and if desired,b) low molecular weight chain extenders and/or crosslinkers withc) phenylene 1,4-diisocyanate (p-PDI) and at least one additional aromatic diisocyanate selected from the group consisting of tolylene diisocyanate, diphenylmethane diisocyanate, 3,3'-dimethylbiphenyl diisocyanate, 1,2-diphenylethane diisocyanate and/or aliphatic diisocyanate, having from 4 to 12 carbon atoms and/or cycloaliphatic diisocyanate having from 6 to 18 carbon atoms, where the formative components (a), (c) and, if used, (b) are advantageously reacted by the prepolymer method,in the presence or absence ofd) catalysts,e) blowing agents andf) additives.Isocyanate prepolymers suitable for this purpose are described.

公开(公告)号：EA000737B1

公开(公告)日：2000-02-28

申请号：EA199800485

申请日：1996-12-16

Applicant: BASF AG

Inventor： KRECH RUDIGER ,  ROTERMUND UDO ,  BOLLMANN HEINZ ,  HEMPEL RENATE ,  SCHOLZ WOLFGANG ,  GENZ MANFRED

IPC: C08J9/36 ,  C08G18/08 ,  C08G18/76

公开(公告)号：DE19821666A1

公开(公告)日：1999-11-25

申请号：DE19821666

申请日：1998-05-14

Applicant: BASF AG

Inventor： BOLLMANN HEINZ ,  HAEBERLE KARL ,  KOKEL NICOLAS ,  THAERIGEN RAINA

IPC: C08G18/08 ,  C07C267/00 ,  C07C271/20 ,  C08G18/02 ,  C08G18/28 ,  C08G18/38 ,  C08G18/79 ,  C08G18/80 ,  C08K5/29 ,  C08L75/06 ,  C09K15/18 ,  C07C275/24 ,  C07C271/28 ,  C07C269/02 ,  C07C273/18 ,  C08G18/64

Abstract: Carbodi-imides (I) based on 1,3-bis-(1-methyl-1-isocyanato-ethyl)-benzene (BMIEB), containing 12-40 wt% ethylene oxide (EO) units. Independent claims are also included for: (a) a process for the production of (I) by reaction of BMIEB in presence of catalysts with cleavage of carbon dioxide, followed by reaction of the isocyanate groups with a suitable reactive compound (i) which also contains EO units; (b) another process for the production of (I) by reaction of BMIEB with compound(s) containing EO units, so that the ratio of NCO groups to NCO-reactive groups is at least 2:1, followed by catalytic cleavage of CO2; (c) carbodi-imides (I) obtained by these processes; (d) mixtures of (I) with compounds containing ester units or with polyurethanes containing ester groups, polycondensation products such as thermoplastic polyesters (e.g. polyethylene and polybutylene terephthalate), polyether-esters, polyester-esters, polyester-amides, polycaprolactones, unsaturated polyester resins or polyamides; (e) a process for the production of polyurethanes by reacting isocyanates with isocyanate-reactive compounds, blowing agents and optionally catalysts and additives etc. in presence of (I); (f) polyurethanes obtained by process (d).

公开(公告)号：AU712357B2

公开(公告)日：1999-11-04

申请号：AU1372597

申请日：1996-12-16

Applicant: BASF AG

Inventor： KRECH RUDIGER ,  ROTERMUND UDO ,  BOLLMANN HEINZ ,  HEMPEL RENATE ,  SCHOLZ WOLFGANG ,  GENZ MANFRED

IPC: C08J9/36 ,  C08G18/08 ,  C08G18/40 ,  C08G18/76 ,  C08G101/00

Abstract: PCT No. PCT/EP96/05639 Sec. 371 Date Nov. 18, 1998 Sec. 102(e) Date Nov. 18, 1998 PCT Filed Dec. 16, 1996 PCT Pub. No. WO97/23534 PCT Pub. Date Jul. 3, 1997A microcellular PU elastomer having improved dynamic-mechanical properties and based on an isocyanate component consisting essentially of 4,4'-MDI and also further customary constituents has, after heating at from 100 to 120 DEG C. for from 8 to 24 hours, a melting range of from 130 DEG C. as the minimum lower limit to 230 DEG C. as a minimum upper limit, measured by differential scanning calorimetry (DSC) at a heating rate of 20 DEG C./min, and a urea content of from 14 to 18% by weight. A process is also provided for preparing such a microcellular PU elastomer having improved dynamic mechanical properties. The microcellular PU elastomers can be used for producing damping elements.

公开(公告)号：DE59602970D1

公开(公告)日：1999-10-07

申请号：DE59602970

申请日：1996-12-16

Applicant: BASF AG

Inventor： KRECH RUEDIGER ,  ROTERMUND UDO ,  BOLLMANN HEINZ ,  HEMPEL RENATE ,  SCHOLZ WOLFGANG ,  GENZ MANFRED

IPC: C08J9/36 ,  C08G18/08 ,  C08G18/40 ,  C08G18/76 ,  C08G101/00

Abstract: PCT No. PCT/EP96/05639 Sec. 371 Date Nov. 18, 1998 Sec. 102(e) Date Nov. 18, 1998 PCT Filed Dec. 16, 1996 PCT Pub. No. WO97/23534 PCT Pub. Date Jul. 3, 1997A microcellular PU elastomer having improved dynamic-mechanical properties and based on an isocyanate component consisting essentially of 4,4'-MDI and also further customary constituents has, after heating at from 100 to 120 DEG C. for from 8 to 24 hours, a melting range of from 130 DEG C. as the minimum lower limit to 230 DEG C. as a minimum upper limit, measured by differential scanning calorimetry (DSC) at a heating rate of 20 DEG C./min, and a urea content of from 14 to 18% by weight. A process is also provided for preparing such a microcellular PU elastomer having improved dynamic mechanical properties. The microcellular PU elastomers can be used for producing damping elements.

公开(公告)号：CZ9801892A3

公开(公告)日：1999-09-15

申请号：CZ189298

申请日：1996-12-16

Applicant: BASF AG

Inventor： KRECH RUDIGER ,  ROTERMUND UDO ,  BOLLMANN HEINZ ,  HEMPEL RENATE ,  SCHOLZ WOLFGANG ,  GENZ MANFRED

IPC: C08J9/36 ,  C08G18/08 ,  C08G18/76

CPC classification number: C08G18/7664 ,  C08G18/089 ,  C08G2101/0066 ,  C08G2101/0083 ,  C08G2350/00

公开(公告)号：AT184033T

公开(公告)日：1999-09-15

申请号：AT96943967

申请日：1996-12-16

Applicant: BASF AG

Inventor： KRECH RUEDIGER ,  ROTERMUND UDO ,  BOLLMANN HEINZ ,  HEMPEL RENATE ,  SCHOLZ WOLFGANG ,  GENZ MANFRED

IPC: C08J9/36 ,  C08G18/08 ,  C08G18/40 ,  C08G18/76 ,  C08G101/00

Abstract: PCT No. PCT/EP96/05639 Sec. 371 Date Nov. 18, 1998 Sec. 102(e) Date Nov. 18, 1998 PCT Filed Dec. 16, 1996 PCT Pub. No. WO97/23534 PCT Pub. Date Jul. 3, 1997A microcellular PU elastomer having improved dynamic-mechanical properties and based on an isocyanate component consisting essentially of 4,4'-MDI and also further customary constituents has, after heating at from 100 to 120 DEG C. for from 8 to 24 hours, a melting range of from 130 DEG C. as the minimum lower limit to 230 DEG C. as a minimum upper limit, measured by differential scanning calorimetry (DSC) at a heating rate of 20 DEG C./min, and a urea content of from 14 to 18% by weight. A process is also provided for preparing such a microcellular PU elastomer having improved dynamic mechanical properties. The microcellular PU elastomers can be used for producing damping elements.

公开(公告)号：ZA976164B

公开(公告)日：1999-01-11

申请号：ZA976164

申请日：1997-07-11

Applicant: BASF AG

Inventor： GENZ MANFRED ,  MERGER ROLAND ,  BOLLMANN HEINZ ,  THAERIGEN RAINA ,  VOELKEL RUEDIGER ,  KRAUS RUPERT ,  POHL SIEGMUND

IPC: C08G18/77 ,  C08J9/00 ,  C08G ,  C08J

Abstract: Production of microcellular polyurethane elastomers is claimed by reacting (A) high mol. polyhydroxy compounds and optionally (B) low. mol. chain extenders and/or crosslinkers with (C) 3,3'-dimethoxy-4,4'- diisocyanato-diphenyl in presence or absence of (D) catalysts, foaming agents etc.. Preferably the polyhydroxy component (A) is of functionality 2-3 and mol. wt. 500-6,000 and is especially a difunctional polyester polyol, OH-containing polycarbonate or polyoxybutylene glycol of mol. wt. 800-3,500 while the chain extender is an alkane diol, dialkylene glycol or polyoxyalkylene glycol of mol. wt. up to 800 and the crosslinker is also of mol. wt. up to 800 and is a tri-or tetra-hydric alcohol or polyoxyalkylene polyol of functionality 3-4. Preparation of the elastomer is by: (1) first preparing a prepolymer of NCO content 2-20 wt.% by reacting (C) with (A) and optionally (B) and then reacting this prepolymer with water and optionally also (B); or (2) first reacting (C) with part of (A) and optionally also (B) and then reacting the prepolymer obtained with a mixture of water, the remainder of (A) and optionally also (B).

公开(公告)号：TR9801201T2

公开(公告)日：1998-10-21

申请号：TR9801201

申请日：1996-12-16

Applicant: BASF AG

Inventor： KRECH RUDIGER ,  ROTERMUND UDO ,  BOLLMANN HEINZ ,  HEMPEL RENATE ,  SCHOLZ WOLFGANG ,  GENZ MANFRED

IPC: C08J9/36 ,  C08G18/08 ,  C08G18/40 ,  C08G18/76 ,  C08G101/00

CPC classification number: C08G18/089 ,  C08G18/7664 ,  C08G2101/0066 ,  C08G2101/0083 ,  C08G2350/00

公开(公告)号：TR199801194T2

公开(公告)日：1998-10-21

申请号：TR9801194

申请日：1996-12-16

Applicant: BASF AG

Inventor： KRECH RUDIGER ,  ROTERMUND UDO ,  BOLLMANN HEINZ ,  HEMPEL RENATE ,  SCHOLZ WOLFGANG ,  GENZ MANFRED

IPC: C08J9/36 ,  C08G18/08 ,  C08G18/76 ,  C08G10/08

Abstract: PCT No. PCT/EP96/05640 Sec. 371 Date Oct. 7, 1998 Sec. 102(e) Date Oct. 7, 1998 PCT Filed Dec. 16, 1996 PCT Pub. No. WO97/23535 PCT Pub. Date Jul. 3, 1997A microcellular PU elastomer having improved dynamic mechanical properties and based on an isocyanate component consisting essentially of 4,4'-MDI and further customary constituents has a physicochemical structure which, in the gel permeation chromatograph (GPC) of a solution of the microcellular polyurethane elastomer prepared at 90 DEG C. in N,N-dimethylformamide containing 1 percent of di-n-butylamine measured against polymethyl methacrylate (PMMA) as standard, displays a signal occurring in addition to low molecular weight main signal and comprising one or more peaks at an (apparent) molar mass of greater than 250,000 g/mol which becomes smaller or disappears on addition of lithium chloride to this solution, and a urea content of from 14 to 18% by weight. A process is also provided for preparing such a microcellular PU elastomer having improved dynamic mechanical properties. The microcellular PU elastomers can be used for producing damping elements.