BR9300016A - Processo para o siolamento de isomeros de poliisocianato - Google Patents
Processo para o siolamento de isomeros de poliisocianatoInfo
- Publication number
- BR9300016A BR9300016A BR9300016A BR9300016A BR9300016A BR 9300016 A BR9300016 A BR 9300016A BR 9300016 A BR9300016 A BR 9300016A BR 9300016 A BR9300016 A BR 9300016A BR 9300016 A BR9300016 A BR 9300016A
- Authority
- BR
- Brazil
- Prior art keywords
- polyisocianate
- isomers
- insulation
- polyisocianate isomers
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4200236A DE4200236A1 (de) | 1992-01-08 | 1992-01-08 | Verfahren zur isolierung von polyisocyanat-isomeren aus polyisocyanatgemischen |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9300016A true BR9300016A (pt) | 1993-07-13 |
Family
ID=6449180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9300016A BR9300016A (pt) | 1992-01-08 | 1993-01-06 | Processo para o siolamento de isomeros de poliisocianato |
Country Status (6)
Country | Link |
---|---|
US (1) | US5300616A (pt) |
EP (1) | EP0550908A3 (pt) |
JP (1) | JPH05271178A (pt) |
BR (1) | BR9300016A (pt) |
CA (1) | CA2086651A1 (pt) |
DE (1) | DE4200236A1 (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3737729B2 (ja) * | 2001-09-26 | 2006-01-25 | 株式会社東芝 | 非水電解液電池および非水電解液 |
US20090222205A1 (en) * | 2008-02-29 | 2009-09-03 | Omega Engineering, Inc. | Data logger with indicia surface |
WO2020016118A1 (de) | 2018-07-16 | 2020-01-23 | Covestro Deutschland Ag | VERFAHREN ZUR HERSTELLUNG VON OLIGOMEREN POLYISOCYANATEN MIT ANSCHLIEßENDER FRAKTIONIERTER FLÜSSIG-FLÜSSIG-EXTRAKTION |
WO2020016117A1 (de) | 2018-07-16 | 2020-01-23 | Covestro Deutschland Ag | Verfahren zur herstellung von oligomeren polyisocyanaten |
CN114195974B (zh) * | 2021-12-06 | 2022-10-18 | 季华实验室 | 一种聚氨酯预聚体及其制备方法、聚氨酯产品 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1417087A (en) * | 1973-05-29 | 1975-12-10 | Ici Ltd | Polyisocyanates |
JPS5346944A (en) * | 1976-10-07 | 1978-04-27 | Mitsui Toatsu Chem Inc | Preparation of liquid 4,4-diisocyanatedicyclohexylmethane |
US4246187A (en) * | 1979-07-17 | 1981-01-20 | E. I. Du Pont De Nemours And Company | Separation of 2,4-tolylene diisocyanate from mixtures of 2,4- and 2,6-tolylene diisocyanate |
DE3145010A1 (de) * | 1981-11-12 | 1983-05-19 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von 4,4'-diisocyanatodiphenylmethan |
DE3220439A1 (de) * | 1982-05-29 | 1983-12-01 | Bayer Ag, 5090 Leverkusen | Verfahren zur abtrennung von technisch reinem 2,4-diisocyanatotoluol oder von, einen erhoehten gehalt an 2,4-diisocyanatotoluol aufweisenden, isomerengemischen von, im wesentlichen aus 2,4- und 2,6-diisocyanatotoluol bestehenden, isomerengemischen |
DE3915181A1 (de) * | 1989-05-10 | 1990-11-15 | Bayer Ag | Verfahren zur herstellung von polyisocyanaten |
-
1992
- 1992-01-08 DE DE4200236A patent/DE4200236A1/de not_active Withdrawn
- 1992-12-28 EP EP19920122082 patent/EP0550908A3/de not_active Withdrawn
- 1992-12-30 US US07/998,306 patent/US5300616A/en not_active Expired - Fee Related
-
1993
- 1993-01-04 CA CA002086651A patent/CA2086651A1/en not_active Abandoned
- 1993-01-06 BR BR9300016A patent/BR9300016A/pt not_active Application Discontinuation
- 1993-01-06 JP JP5015892A patent/JPH05271178A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA2086651A1 (en) | 1993-07-08 |
DE4200236A1 (de) | 1993-07-15 |
EP0550908A2 (de) | 1993-07-14 |
EP0550908A3 (en) | 1993-11-03 |
JPH05271178A (ja) | 1993-10-19 |
US5300616A (en) | 1994-04-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EE | Request for examination | ||
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law |