BR8804997A - Processo para preparacao de elastomeros de poliuretano-ureia - Google Patents
Processo para preparacao de elastomeros de poliuretano-ureiaInfo
- Publication number
- BR8804997A BR8804997A BR8804997A BR8804997A BR8804997A BR 8804997 A BR8804997 A BR 8804997A BR 8804997 A BR8804997 A BR 8804997A BR 8804997 A BR8804997 A BR 8804997A BR 8804997 A BR8804997 A BR 8804997A
- Authority
- BR
- Brazil
- Prior art keywords
- polyurethane elastomers
- nco
- present
- preparing urea
- polyurethane urea
- Prior art date
Links
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)
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 |
|---|---|
| BR8804997A true BR8804997A (pt) | 1989-05-02 |
Family
ID=6337094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8804997A BR8804997A (pt) | 1987-09-29 | 1988-09-27 | Processo para preparacao de elastomeros de poliuretano-ureia |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4882411A (pt) |
| EP (1) | EP0309866B1 (pt) |
| JP (1) | JPH01110522A (pt) |
| KR (1) | KR890005167A (pt) |
| AT (1) | ATE78270T1 (pt) |
| AU (1) | AU601305B2 (pt) |
| BR (1) | BR8804997A (pt) |
| CA (1) | CA1311576C (pt) |
| DD (1) | DD282699A5 (pt) |
| DE (2) | DE3732727A1 (pt) |
| ES (1) | ES2053662T3 (pt) |
| HU (1) | HU205156B (pt) |
| MX (1) | MX168915B (pt) |
| ZA (1) | ZA887257B (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3732726A1 (de) * | 1987-09-29 | 1989-04-06 | Bayer Ag | Verfahren zur herstellung von polyurethanharnstoff-elastomeren |
| DE3732728A1 (de) * | 1987-09-29 | 1989-04-13 | Bayer Ag | Verfahren zur herstellung von waermestandfesten 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 |
| DE60032807T2 (de) * | 1999-12-13 | 2007-04-26 | Dow Global Technologies, Inc., Midland | Leichtgewicht-reifenstützkörper, zusammensetzung dafür und herstellungsverfahren |
| 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 |
| JP2004526852A (ja) * | 2001-05-21 | 2004-09-02 | ハンツマン・インターナショナル・エルエルシー | 極めて軟質のポリウレタンエラストマー |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE580827A (pt) * | 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 DE DE8888115375T patent/DE3872814D1/de not_active Expired - Lifetime
- 1988-09-20 ES ES88115375T patent/ES2053662T3/es not_active Expired - Lifetime
- 1988-09-20 EP EP88115375A patent/EP0309866B1/de not_active Expired - Lifetime
- 1988-09-20 AT AT88115375T patent/ATE78270T1/de not_active IP Right Cessation
- 1988-09-21 CA CA000578036A patent/CA1311576C/en not_active Expired - Lifetime
- 1988-09-27 BR BR8804997A patent/BR8804997A/pt not_active Application Discontinuation
- 1988-09-27 DD DD88320169A patent/DD282699A5/de not_active IP Right Cessation
- 1988-09-28 ZA ZA887257A patent/ZA887257B/xx unknown
- 1988-09-28 HU HU885037A patent/HU205156B/hu not_active IP Right Cessation
- 1988-09-28 JP JP63241214A patent/JPH01110522A/ja active Pending
- 1988-09-29 KR KR1019880012578A patent/KR890005167A/ko not_active Application Discontinuation
- 1988-09-29 MX MX013082A patent/MX168915B/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES2053662T3 (es) | 1994-08-01 |
| EP0309866A2 (de) | 1989-04-05 |
| KR890005167A (ko) | 1989-05-13 |
| MX168915B (es) | 1993-06-14 |
| JPH01110522A (ja) | 1989-04-27 |
| HUT52126A (en) | 1990-06-28 |
| HU205156B (en) | 1992-03-30 |
| DE3872814D1 (de) | 1992-08-20 |
| AU2230488A (en) | 1989-04-06 |
| DE3732727A1 (de) | 1989-04-06 |
| EP0309866B1 (de) | 1992-07-15 |
| US4882411A (en) | 1989-11-21 |
| DD282699A5 (de) | 1990-09-19 |
| CA1311576C (en) | 1992-12-15 |
| ATE78270T1 (de) | 1992-08-15 |
| AU601305B2 (en) | 1990-09-06 |
| ZA887257B (en) | 1989-06-28 |
| EP0309866A3 (en) | 1989-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Decision: intention to grant | ||
| FD3 | Appl. lapsed due to non-payment of renewal fee |