公开(公告)号：PL325634A1

公开(公告)日：1998-08-03

申请号：PL32563496

申请日：1996-09-09

Applicant: BASF AG

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

IPC: C08G18/40 ,  C08G18/10 ,  C08G18/65 ,  C08G18/72 ,  C08G18/76

Abstract: Compact and preferably cellular polyurethane elastomers are produced by reactinga) polyhydroxyl compounds having molecular weights of from 800 to 6000 and, if desired,b) chain extenders and/or crosslinkers having molecular weights of up to 800 [lacuna]c) naphthylene 1,5-diisocyanate 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 phenylene 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 preferably reacted by the prepolymer method,in the presence or absence ofd) catalysts,e) blowing agents andf) additives. Isocyanate prepolymers suitable for this purpose are also described.

公开(公告)号：CA2219846A1

公开(公告)日：1998-05-21

申请号：CA2219846

申请日：1997-11-20

Applicant: BASF AG

Inventor： PRISSOK FRANK ,  LEHR GERHARD ,  GENZ MANFRED ,  KING HORST ,  KRECH RUEDIGER ,  HORN PETER

IPC: C08G18/08 ,  C08J11/06 ,  C08L75/04

Abstract: Thermoplastic polyurethanes are prepared by reacting (a) isocyanates with (b) compounds reactive toward isocyanates, in the presence or absence of (c) chain extenders, (d) catalysts and (e) customary auxiliaries and additives and adding crosslinked polyurethanes in comminuted form before, during and/or after the reaction.

公开(公告)号：CA2259934A1

公开(公告)日：1998-01-22

申请号：CA2259934

申请日：1997-06-30

Applicant: BASF AG

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

IPC: C08G18/10 ,  C08G18/42 ,  C08G18/48 ,  C08G18/66 ,  C08G18/72 ,  C08G18/76 ,  C08G101/00 ,  C08J3/14 ,  C08J9/04

Abstract: A process is disclosed for preparing compact and preferably cellular polyurethane elastomers by reacting: (a) high-molecular polyhydroxyl compounds and optionally (b) low-molecular chain-lengthening and/or cross-linking agents with (c) 1,4-phenylene diisocyanate (p-PDI) and at least one additional aromatic diisocyanate selected from the group of toluylene-diisocyanate, diphenylmethane-diisocyanate, 3,3'dimethyl-diphenyl-diisocyanate, 1,2diphenylethane-diisocyanate and/or an aliphatic diisocyanate with 4 to 12 carbon atoms and/or a cycloaliphatic diisocyanate with 6 to 18 carbon atoms, in the presence or absence of (d) catalysts; (e) foaming agents; and (f) additives. Components (a), (c) and optionally (c) are preferably reacted after their prepolymerisation. Also disclosed are isocyanate prepolymers suitable for preparing these elastomers.

公开(公告)号：CA2239790A1

公开(公告)日：1997-07-03

申请号：CA2239790

申请日：1996-12-16

Applicant: BASF AG

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

IPC: C08G18/08 ,  C08G18/76 ,  C08J9/04 ,  C08L75/00

Abstract: The invention relates to a microcellular PU elastomer with improved dynamicmechanical characteristics, based on an isocyanate component consisting essentially of 4,4'-MDI and on other standard components. The proposed elastomer following tempering at temperatures of 100-120 ~C for 8-24 hours has a melting range of between 130 ~C as minimum lower limit and 230 ~C as minimum upper limit, as measured by differential scanning calorimetry (DSC) at a heating rate of 20 ~C/min and a urea content of 14-18 wt.%. Also disclosed are a process for producing such a microcellular PU elastomer with improved dynamic-mechanical characteristics and the use of said elastomers in the production of damping elements.

公开(公告)号：AU7126896A

公开(公告)日：1997-04-01

申请号：AU7126896

申请日：1996-09-09

Applicant: BASF AG

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

IPC: C08G18/40 ,  C08G18/10 ,  C08G18/65 ,  C08G18/72 ,  C08G18/76

Abstract: Compact and preferably cellular polyurethane elastomers are produced by reactinga) polyhydroxyl compounds having molecular weights of from 800 to 6000 and, if desired,b) chain extenders and/or crosslinkers having molecular weights of up to 800 [lacuna]c) naphthylene 1,5-diisocyanate 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 phenylene 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 preferably reacted by the prepolymer method,in the presence or absence ofd) catalysts,e) blowing agents andf) additives. Isocyanate prepolymers suitable for this purpose are also described.

公开(公告)号：CA2102821A1

公开(公告)日：1994-05-12

申请号：CA2102821

申请日：1993-11-10

Applicant: BASF AG

Inventor： POHL SIEGMUND ,  LEHRICH FRIEDHELM ,  BRUCHMANN BERND ,  MINGES ROLAND ,  TESCH HELMUT ,  SWOBODA JOHANN ,  GENZ MANFRED ,  SCHOLZ GUENTER ,  STREU JOHANN

IPC: C07C265/10 ,  C07C265/12 ,  C07C267/00 ,  C08G18/00 ,  C08G18/02 ,  C08G18/71 ,  C08K5/29

Abstract: The invention relates to novel 4,4'-disubstituted bis(2,6-diisopropylphenyl)carbodiimides of the formula (I) in which R is a 1-methyl-1-phenylethyl, phenoxy or tert-butyl radical, to a process for their preparation and to their use as stabilisers with respect to the hydrolytic degradation of ester group-containing products of addition and condensation polymerisation, and to the novel compounds which can be used to prepare them, namely 4-(1-methyl-1-phenylethyl)-2,6-diisopropylphenyl, 4-phenoxy-2,6-diisopropylphenyl and 4-tert-butyl-2,6-diisopropylphenyl isocyanates.

公开(公告)号：DE59707166D1

公开(公告)日：2002-06-06

申请号：DE59707166

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 RUEDIGER ,  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：DE59703555D1

公开(公告)日：2001-06-21

申请号：DE59703555

申请日：1997-06-30

Applicant: BASF AG

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

IPC: C08G18/10 ,  C08G18/42 ,  C08G18/48 ,  C08G18/66 ,  C08G18/76 ,  C08G18/77 ,  C08G18/81 ,  C08J9/00 ,  C08J9/14

Abstract: A process is disclosed for preparing microcellular polyurethane elastomers by reacting: (a) high-molecular polyhydroxyl compounds, optionally (b) low-molecular chain-lengthening and/or cross-linking agents with (c) 3,3'-dimethoxy-4,4'-diisocyanato-diphenyl and/or 4,4'-stilbene-diisocyanate in the presence or absence of (d) catalysts; (e) foaming agents; and (f) additives. Also disclosed are isocyanate prepolymers suitable for preparing these elastomers.

公开(公告)号：AT200500T

公开(公告)日：2001-04-15

申请号：AT96933440

申请日：1996-09-30

Applicant: BASF AG

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

IPC: C08G18/10 ,  C08G18/40 ,  C08G18/72 ,  C08G18/76 ,  C08J9/14

Abstract: Compact and preferably cellular polyurethane elastomers based on polyisocyanate mixtures containing 3,3'-dimethylbiphenyl 4,4'-diisocyanate are produced by reactinga) relatively high molecular weight polyhydroxyl compounds and, if desired,b) low molecular weight hydroxyl-containing chain extenders and/or crosslinkers withc) 3,3'-dimethylbiphenyl 4,4'-diisocyanate and at least one additional aromatic diisocyanate selected from the group consisting of tolylene diisocyanate, diphenylmethane diisocyanate, 1,2-diphenylethane diisocyanate and phenylene diisocyanate, and/or at least one aliphatic diisocyanate having from 4 to 12 carbon atoms and/or at least one 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 preferably ones based on diphenylmethane 4,4'-diisocyanate and 3,3'-dimethylbiphenyl 4,4'-diisocyanate.

公开(公告)号：EA001028B1

公开(公告)日：2000-08-28

申请号：EA199800294

申请日：1996-09-09

Applicant: BASF AG

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

IPC: C08G18/40 ,  C08G18/10 ,  C08G18/65 ,  C08G18/72 ,  C08G18/76 ,  C08G18/09 ,  C08G18/12 ,  C08G18/79