DD282699A5 - Verfahren zur hersteelung von polyurethanharnstoff-elastomeren - Google Patents

Verfahren zur hersteelung von polyurethanharnstoff-elastomeren Download PDF

Info

Publication number: DD282699A5
Authority: DD; German Democratic Republic
Prior art keywords: nco; reaction; polyisocyanates; preparation; polyurethane
Prior art date: 1987-09-29

Application number

DD88320169A

Other languages

German (de)

English (en)

Inventor

Gerhard Groegler

Andreas Ruckes

Heinrich Hess

Richard Kopp

Original Assignee

��@��k��

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1987-09-29

Filing date

1988-09-27

Publication date

1990-09-19

1988-09-27 Application filed by ��@��k�� filed Critical ��@��k��

1990-09-19 Publication of DD282699A5 publication Critical patent/DD282699A5/de

Links

229920001971 elastomer Polymers 0.000 title claims abstract description 20
239000000806 elastomer Substances 0.000 title claims abstract description 20
229920003226 polyurethane urea Polymers 0.000 title description 15
238000004519 manufacturing process Methods 0.000 title description 8
238000000034 method Methods 0.000 claims abstract description 42
229920001228 polyisocyanate Polymers 0.000 claims abstract description 28
239000005056 polyisocyanate Substances 0.000 claims abstract description 28
230000008569 process Effects 0.000 claims abstract description 26
238000002360 preparation method Methods 0.000 claims abstract description 22
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims abstract description 17
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235000013877 carbamide Nutrition 0.000 abstract description 6
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UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 4
125000003277 amino group Chemical group 0.000 abstract description 4
239000001257 hydrogen Substances 0.000 abstract description 4
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238000006243 chemical reaction Methods 0.000 description 22
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WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
238000000137 annealing Methods 0.000 description 2
TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical group NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 2
150000001735 carboxylic acids Chemical class 0.000 description 2
239000004359 castor oil Substances 0.000 description 2
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230000001413 cellular effect Effects 0.000 description 2
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238000010276 construction Methods 0.000 description 2
230000001419 dependent effect Effects 0.000 description 2
235000013870 dimethyl polysiloxane Nutrition 0.000 description 2
ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 description 2
239000000975 dye Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
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ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 2
239000012442 inert solvent Substances 0.000 description 2
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239000000155 melt Substances 0.000 description 2
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239000003960 organic solvent Substances 0.000 description 2
239000004014 plasticizer Substances 0.000 description 2
229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
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150000003254 radicals Chemical class 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
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239000003381 stabilizer Substances 0.000 description 2
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150000003606 tin compounds Chemical class 0.000 description 2
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XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
ZBBLRPRYYSJUCZ-GRHBHMESSA-L (z)-but-2-enedioate;dibutyltin(2+) Chemical compound [O-]C(=O)\C=C/C([O-])=O.CCCC[Sn+2]CCCC ZBBLRPRYYSJUCZ-GRHBHMESSA-L 0.000 description 1
SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
OYWRDHBGMCXGFY-UHFFFAOYSA-N 1,2,3-triazinane Chemical class C1CNNNC1 OYWRDHBGMCXGFY-UHFFFAOYSA-N 0.000 description 1
ZTNJGMFHJYGMDR-UHFFFAOYSA-N 1,2-diisocyanatoethane Chemical compound O=C=NCCN=C=O ZTNJGMFHJYGMDR-UHFFFAOYSA-N 0.000 description 1
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ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 1
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RZEWIYUUNKCGKA-UHFFFAOYSA-N 2-(2-hydroxyethylamino)ethanol;octadecanoic acid Chemical compound OCCNCCO.CCCCCCCCCCCCCCCCCC(O)=O RZEWIYUUNKCGKA-UHFFFAOYSA-N 0.000 description 1
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239000005909 Kieselgur Substances 0.000 description 1
241000276489 Merlangius merlangus Species 0.000 description 1
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UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
150000001242 acetic acid derivatives Chemical class 0.000 description 1
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CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 description 1
239000000178 monomer Substances 0.000 description 1
MJNLXAZOTQSLTM-UHFFFAOYSA-N n-[[[ethylaminomethyl(dimethyl)silyl]oxy-dimethylsilyl]methyl]ethanamine Chemical compound CCNC[Si](C)(C)O[Si](C)(C)CNCC MJNLXAZOTQSLTM-UHFFFAOYSA-N 0.000 description 1
IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
KQSABULTKYLFEV-UHFFFAOYSA-N naphthalene-1,5-diamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1N KQSABULTKYLFEV-UHFFFAOYSA-N 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
239000005022 packaging material Substances 0.000 description 1
UKODFQOELJFMII-UHFFFAOYSA-N pentamethyldiethylenetriamine Chemical compound CN(C)CCN(C)CCN(C)C UKODFQOELJFMII-UHFFFAOYSA-N 0.000 description 1
239000000049 pigment Substances 0.000 description 1
229920000233 poly(alkylene oxides) Polymers 0.000 description 1
239000004417 polycarbonate Substances 0.000 description 1
229920000515 polycarbonate Polymers 0.000 description 1
229920006149 polyester-amide block copolymer Polymers 0.000 description 1
229920006295 polythiol Polymers 0.000 description 1
229920003225 polyurethane elastomer Polymers 0.000 description 1
239000011496 polyurethane foam Substances 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
230000002028 premature Effects 0.000 description 1
238000007639 printing Methods 0.000 description 1
238000007712 rapid solidification Methods 0.000 description 1
239000000376 reactant Substances 0.000 description 1
239000012429 reaction media Substances 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
238000011084 recovery Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000012552 review Methods 0.000 description 1
WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 description 1
229960003656 ricinoleic acid Drugs 0.000 description 1
FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 1
238000007127 saponification reaction Methods 0.000 description 1
238000007789 sealing Methods 0.000 description 1
NESLWCLHZZISNB-UHFFFAOYSA-M sodium phenolate Chemical compound [Na+].[O-]C1=CC=CC=C1 NESLWCLHZZISNB-UHFFFAOYSA-M 0.000 description 1
159000000000 sodium salts Chemical class 0.000 description 1
239000007790 solid phase Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
230000035882 stress Effects 0.000 description 1
239000000758 substrate Substances 0.000 description 1
150000003871 sulfonates Chemical class 0.000 description 1
150000003460 sulfonic acids Chemical class 0.000 description 1
238000012360 testing method Methods 0.000 description 1
150000005622 tetraalkylammonium hydroxides Chemical class 0.000 description 1
230000008719 thickening Effects 0.000 description 1
IUTCEZPPWBHGIX-UHFFFAOYSA-N tin(2+) Chemical class [Sn+2] IUTCEZPPWBHGIX-UHFFFAOYSA-N 0.000 description 1
238000004448 titration Methods 0.000 description 1
RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
230000007704 transition Effects 0.000 description 1
IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
229960001147 triclofos Drugs 0.000 description 1
IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical group NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Polyurethanes Or Polyureas (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

DD88320169A 1987-09-29 1988-09-27 Verfahren zur hersteelung von polyurethanharnstoff-elastomeren DD282699A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19873732727 DE3732727A1 (de)	1987-09-29	1987-09-29	Verfahren zur herstellung von kalthaertenden polyurethanharnstoff-elastomeren

Publications (1)

Publication Number	Publication Date
DD282699A5 true DD282699A5 (de)	1990-09-19

Family

ID=6337094

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD88320169A DD282699A5 (de)	1987-09-29	1988-09-27	Verfahren zur hersteelung von polyurethanharnstoff-elastomeren

Country Status (14)

Country	Link
US (1)	US4882411A (fr)
EP (1)	EP0309866B1 (fr)
JP (1)	JPH01110522A (fr)
KR (1)	KR890005167A (fr)
AT (1)	ATE78270T1 (fr)
AU (1)	AU601305B2 (fr)
BR (1)	BR8804997A (fr)
CA (1)	CA1311576C (fr)
DD (1)	DD282699A5 (fr)
DE (2)	DE3732727A1 (fr)
ES (1)	ES2053662T3 (fr)
HU (1)	HU205156B (fr)
MX (1)	MX168915B (fr)
ZA (1)	ZA887257B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3732728A1 (de) *	1987-09-29	1989-04-13	Bayer Ag	Verfahren zur herstellung von waermestandfesten polyurethanharnstoff-elastomeren
DE3732726A1 (de) *	1987-09-29	1989-04-06	Bayer Ag	Verfahren zur herstellung von polyurethanharnstoff-elastomeren
DE4236939A1 (de) *	1992-11-02	1994-05-05	Bayer Ag	Verfahren zur Herstellung von stabilisierten aromatischen Diaminen und ihre Verwendung zur Herstellung von wärmestandfesten Polyurethanharnstoff-Elastomeren
US5562586A (en) *	1994-06-17	1996-10-08	Foamseal, Inc.	Landfill cap and method of sealing landfill
MXPA02005850A (es) *	1999-12-13	2004-09-10	Dow Global Technologies Inc	Soporte de neumatico de peso ligero, y composicion y metodo para formar un soporte de neumatico.
BR0114127A (pt) *	2000-09-11	2003-07-22	Dow Global Technologies Inc	Método de dispositivo para preparar suporte de pneu
KR100376284B1 (ko) *	2000-10-25	2003-03-17	학교법인 한양학원	질소-치환 폴리우레탄계 고체 고분자 전해질 조성물
CA2447782C (fr) *	2001-05-21	2009-10-20	Huntsman International Llc	Elastomere de polyurethanne tres souple

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE580827A (fr) *	1958-08-18
US3004939A (en) *	1958-08-19	1961-10-17	Us Rubber Co	Method of making polyurethane rubber articles
US3891606A (en) *	1973-07-12	1975-06-24	Du Pont	Curing with complexes of selected diamines and alkali metal salts
US3926922A (en) *	1974-03-14	1975-12-16	Polaroid Corp	Polyurethane elastomers prepared from diamine curing agents
DE2635400A1 (de) *	1976-08-06	1978-02-09	Bayer Ag	Verfahren zur herstellung von polyurethankunststoffen
DE3703739A1 (de) *	1987-02-07	1988-08-18	Bayer Ag	Verfahren zur herstellung von formkoerpern, hierzu geeignete gemische von gegenueber isocyanatgruppen reaktionsfaehigen verbindungen und die nach dem verfahren erhaltenen formkoerper
DE3732726A1 (de) *	1987-09-29	1989-04-06	Bayer Ag	Verfahren zur herstellung von polyurethanharnstoff-elastomeren

1987
- 1987-09-29 DE DE19873732727 patent/DE3732727A1/de not_active Withdrawn
1988
- 1988-09-16 US US07/245,877 patent/US4882411A/en not_active Expired - Fee Related
- 1988-09-19 AU AU22304/88A patent/AU601305B2/en not_active Ceased
- 1988-09-20 EP EP88115375A patent/EP0309866B1/fr not_active Expired - Lifetime
- 1988-09-20 DE DE8888115375T patent/DE3872814D1/de not_active Expired - Lifetime
- 1988-09-20 AT AT88115375T patent/ATE78270T1/de not_active IP Right Cessation
- 1988-09-20 ES ES88115375T patent/ES2053662T3/es not_active Expired - Lifetime
- 1988-09-21 CA CA000578036A patent/CA1311576C/fr not_active Expired - Lifetime
- 1988-09-27 DD DD88320169A patent/DD282699A5/de not_active IP Right Cessation
- 1988-09-27 BR BR8804997A patent/BR8804997A/pt not_active Application Discontinuation
- 1988-09-28 HU HU885037A patent/HU205156B/hu not_active IP Right Cessation
- 1988-09-28 ZA ZA887257A patent/ZA887257B/xx unknown
- 1988-09-28 JP JP63241214A patent/JPH01110522A/ja active Pending
- 1988-09-29 MX MX013082A patent/MX168915B/es unknown
- 1988-09-29 KR KR1019880012578A patent/KR890005167A/ko not_active Withdrawn

Also Published As

Publication number	Publication date
EP0309866B1 (fr)	1992-07-15
EP0309866A2 (fr)	1989-04-05
ZA887257B (en)	1989-06-28
AU2230488A (en)	1989-04-06
US4882411A (en)	1989-11-21
MX168915B (es)	1993-06-14
ES2053662T3 (es)	1994-08-01
DE3732727A1 (de)	1989-04-06
CA1311576C (fr)	1992-12-15
AU601305B2 (en)	1990-09-06
JPH01110522A (ja)	1989-04-27
ATE78270T1 (de)	1992-08-15
KR890005167A (ko)	1989-05-13
HUT52126A (en)	1990-06-28
DE3872814D1 (de)	1992-08-20
EP0309866A3 (en)	1989-11-15
HU205156B (en)	1992-03-30
BR8804997A (pt)	1989-05-02

Legal Events

Date	Code	Title	Description
1995-03-30	ENJ	Ceased due to non-payment of renewal fee

Publication	Publication Date	Title
EP0103323B1 (fr)	1987-12-16	Procédé de préparation de polyisocyanates stabilisés, polyisocyanates stabilisés à réactivité retardée et leur application pour la préparation de polyuréthanes
DE2537685C2 (de)	1989-04-06	Verfahren zur teilweisen Carbodiimidisierung der Isocyanatgruppen von organischen Polyisocyanaten
EP0061609B1 (fr)	1984-11-14	Procédé de préparation de matières plastiques de polyuréthane éventuellement cellulaires par utilisation de diols du type dianhydro-hexitol
EP0022497B1 (fr)	1983-05-11	Procédé de préparation de polyuréthane-urées élastiques, éventuellement cellulaires
EP0008044B1 (fr)	1982-06-30	Procédé de préparation de suspensions de charges, stables à la séparation, dans des composés polyhydroxylés et leur utilisation dans un procédé de préparation de polyuréthannes éventuellement alvéolaires
EP0269943B1 (fr)	1994-01-26	Procédé de préparation de polyuréthanes contenant des noyaux d'uretdione
EP0171015A2 (fr)	1986-02-12	Procédé pour la préparation de polyamines stabilisées, polyamines stabilisées ayant une réactivité retardée et leur application pour la préparation de polyuréthane
DE2638760C2 (de)	1985-07-04	Gegebenenfalls zellförmige Polyurethankunststoffe und Verfahren zu ihrer Herstellung
EP0204141B1 (fr)	1990-09-19	Utilisation de polyisocyanates contenant des groupes uree et/ou biuret comme composants d'isocyanates pour la preparation de matieres plastiques par le procede de moulage par injection:
DE3347574A1 (de)	1985-07-11	Einphasig lagerstabile, salzhaltige gemische und ihre verwendung zur herstellung von polyurethanen
DE2913458A1 (de)	1980-10-16	Dispersionen von hochschmelzenden polyestern in polyhydroxylverbindungen, verfahren zu deren herstellung und deren verwendung bei der herstellung von polyurethankunststoffen
DE2635400A1 (de)	1978-02-09	Verfahren zur herstellung von polyurethankunststoffen
EP0019213B1 (fr)	1983-05-18	Procédé de préparation d'élastomères de polyuréthane cellulaires
DD282699A5 (de)	1990-09-19	Verfahren zur hersteelung von polyurethanharnstoff-elastomeren
EP0303183A2 (fr)	1989-02-15	Procédé pour la préparation de systèmes à un composant de polyuréthane-polyurée thermo-durcissable
DE2706297A1 (de)	1978-08-17	Neue segmentierte polyurethankunststoffe
EP0431412A2 (fr)	1991-06-12	Procédé pour la préparation d'élastomères de polyuréthane-urée résistant À la chaleur
DE3138422A1 (de)	1983-04-14	Verfahren zur herstellung von zelligen polyurethan-elastomeren auf basis von 4,4'-diisocyanato-diphenylethan-1,2
DE3914718A1 (de)	1990-11-08	Verfahren zur herstellung von urethangruppen aufweisenden polyharnstoff-elastomeren
EP0309865B1 (fr)	1992-08-05	Procédé pour la préparation d'élastomères de polyuréthane-polyurée thermostables
DE2559372A1 (de)	1977-07-14	Verfahren zur herstellung amidgruppen enthaltender polyaetherpolyole
DE2902469A1 (de)	1980-07-31	Suspensionen von isocyanatoharnstoffen in isocyanatpraepolymeren, ein verfahren zu ihrer herstellung, sowie ihre verwendung bei der herstellung von hochmolekularen polyurethankunststoffen
DE3732726A1 (de)	1989-04-06	Verfahren zur herstellung von polyurethanharnstoff-elastomeren
DE4412329A1 (de)	1995-10-12	Verfahren zur thermoplastischen Verarbeitung von Polyurethanen und/oder Polyurethanharnstoffen unter Zugabe von Polyisocyanaten
DE1068461B (fr)	1959-11-05