BR7702650A - Processo para preparar uma poliuretana e poliuretanas - Google Patents
Processo para preparar uma poliuretana e poliuretanasInfo
- Publication number
- BR7702650A BR7702650A BR7702650A BR7702650A BR7702650A BR 7702650 A BR7702650 A BR 7702650A BR 7702650 A BR7702650 A BR 7702650A BR 7702650 A BR7702650 A BR 7702650A BR 7702650 A BR7702650 A BR 7702650A
- Authority
- BR
- Brazil
- Prior art keywords
- polyurethanes
- polyurethane
- prepare
- 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
- 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
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
-
- 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
- C08G18/54—Polycondensates of aldehydes
- C08G18/546—Oxyalkylated polycondensates of aldehydes
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)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/681,005 US4102828A (en) | 1976-04-28 | 1976-04-28 | Polyurethanes derived from novel novolak polyols |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7702650A true BR7702650A (pt) | 1978-03-21 |
Family
ID=24733394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7702650A BR7702650A (pt) | 1976-04-28 | 1977-04-27 | Processo para preparar uma poliuretana e poliuretanas |
Country Status (6)
Country | Link |
---|---|
US (1) | US4102828A (pt) |
JP (1) | JPS52132097A (pt) |
BR (1) | BR7702650A (pt) |
CA (1) | CA1108795A (pt) |
DE (1) | DE2709759A1 (pt) |
GB (1) | GB1558923A (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4323658A (en) * | 1980-09-02 | 1982-04-06 | Texaco Inc. | Polyisocyanurates from diols modified with epoxy resins |
US5107068A (en) * | 1989-05-06 | 1992-04-21 | Mitsui Toatsu Chemicals, Inc. | Polyurethane resin and utilization thereof |
KR100877709B1 (ko) | 2008-07-30 | 2009-01-07 | 합동고분자주식회사 | 난연성 수성 폴리우레탄 수지 및 그의 제조방법 |
DE102010032734A1 (de) * | 2010-07-30 | 2012-02-02 | Ashland-Südchemie-Kernfest GmbH | Bindemittelsystem auf Polyurethanbasis zur Herstellung von Kernen und Gießformen unter Verwendung cyclischer Formale, Formstoffmischung und Verfahren |
CN109293878B (zh) * | 2018-09-12 | 2020-11-06 | 北京理工大学 | 一种高绝缘聚氨酯硬泡小球的制备方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3817938A (en) * | 1971-02-12 | 1974-06-18 | K Ashida | Polyoxazolidone catalyst |
US3767624A (en) * | 1971-12-27 | 1973-10-23 | Dow Chemical Co | Oxazolidinone modified epoxy novolac resin |
-
1976
- 1976-04-28 US US05/681,005 patent/US4102828A/en not_active Expired - Lifetime
-
1977
- 1977-01-27 GB GB3303/77A patent/GB1558923A/en not_active Expired
- 1977-03-07 DE DE19772709759 patent/DE2709759A1/de active Pending
- 1977-03-14 CA CA273,847A patent/CA1108795A/en not_active Expired
- 1977-04-26 JP JP4747177A patent/JPS52132097A/ja active Granted
- 1977-04-27 BR BR7702650A patent/BR7702650A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
DE2709759A1 (de) | 1977-11-17 |
JPS52132097A (en) | 1977-11-05 |
JPS551293B2 (pt) | 1980-01-12 |
CA1108795A (en) | 1981-09-08 |
GB1558923A (en) | 1980-01-09 |
US4102828A (en) | 1978-07-25 |
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