BR7900430A - Processo para a preparacao de poliaminas da serie difenilmetanicaricas em orto-isomeros - Google Patents
Processo para a preparacao de poliaminas da serie difenilmetanicaricas em orto-isomerosInfo
- Publication number
- BR7900430A BR7900430A BR7900430A BR7900430A BR7900430A BR 7900430 A BR7900430 A BR 7900430A BR 7900430 A BR7900430 A BR 7900430A BR 7900430 A BR7900430 A BR 7900430A BR 7900430 A BR7900430 A BR 7900430A
- Authority
- BR
- Brazil
- Prior art keywords
- diphenylmetanicaric
- polyamines
- ortho
- isomers
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
- C07C209/78—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton from carbonyl compounds, e.g. from formaldehyde, and amines having amino groups bound to carbon atoms of six-membered aromatic rings, with formation of methylene-diarylamines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2803126 | 1978-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7900430A true BR7900430A (pt) | 1979-08-21 |
Family
ID=6030323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7900430A BR7900430A (pt) | 1978-01-25 | 1979-01-24 | Processo para a preparacao de poliaminas da serie difenilmetanicaricas em orto-isomeros |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0003303B1 (pt) |
| JP (1) | JPS54117429A (pt) |
| BR (1) | BR7900430A (pt) |
| CA (1) | CA1137514A (pt) |
| DE (1) | DE2960014D1 (pt) |
| ES (1) | ES477114A1 (pt) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4259526A (en) * | 1979-02-21 | 1981-03-31 | Bayer Aktiengesellschaft | Process for the preparation of mixtures of polyamines of the polyamino-polyaryl-polymethylene type |
| DE2947531A1 (de) * | 1979-11-26 | 1981-06-04 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von polyphenylpolymethylenpolyaminen |
| DE3407494A1 (de) * | 1984-03-01 | 1985-09-05 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyaminen und ihre verwendung zur herstellung von polyisocyanaten |
| DE10111337A1 (de) * | 2001-03-08 | 2002-09-12 | Basf Ag | Verfahren zur Herstellung von MDI, insbesondere von 2.4'-MDI |
| DE10333929A1 (de) | 2003-07-25 | 2005-02-24 | Bayer Materialscience Ag | Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat |
| DE102004005319A1 (de) | 2004-02-04 | 2005-08-25 | Bayer Materialscience Ag | Verfahren zur Herstellung von hochreinem 2,4'-Methylendiphenyldiisocyanat |
| RU2398760C2 (ru) | 2005-12-08 | 2010-09-10 | Хантсмэн Интернэшнл Ллс | Способ получения диаминодифенилметанов |
| EP2039676A1 (en) | 2007-09-19 | 2009-03-25 | Huntsman International Llc | Process for the production of di-and polyamines of the diphenylmethane series |
| EP2062869A1 (en) | 2007-09-19 | 2009-05-27 | Huntsman International Llc | Process for the production of di-and polyamines of the diphenylmethane series |
| CN115745809A (zh) * | 2022-11-17 | 2023-03-07 | 万华化学集团股份有限公司 | 一种低杂质含量低副产品量的二苯基甲烷系列的二胺和多胺的制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3297759A (en) * | 1964-01-13 | 1967-01-10 | Upjohn Co | Continuous process for producing mixtures of methylene-bridged polyphenyl polyamines |
| US3676497A (en) * | 1968-08-06 | 1972-07-11 | Upjohn Co | Process for preparing di(aminophenyl)-methanes |
| JPS5038095B2 (pt) * | 1971-08-26 | 1975-12-06 | ||
| JPS5028081B2 (pt) * | 1971-09-01 | 1975-09-12 | ||
| DE2426116B2 (de) * | 1973-06-01 | 1978-05-11 | Efim Freiburg Biller (Schweiz) | Verfahren zur Herstellung von Methylenbrücken aufweisenden PoIyarylaminen |
| JPS5141633A (ja) * | 1974-10-07 | 1976-04-08 | Fuji Industries Co Ltd | Kinzokusoseikakokiniokeru rikeizaitofusochi |
-
1979
- 1979-01-08 CA CA000319238A patent/CA1137514A/en not_active Expired
- 1979-01-15 EP EP79100104A patent/EP0003303B1/de not_active Expired
- 1979-01-15 DE DE7979100104T patent/DE2960014D1/de not_active Expired
- 1979-01-23 JP JP564379A patent/JPS54117429A/ja active Granted
- 1979-01-24 BR BR7900430A patent/BR7900430A/pt unknown
- 1979-01-24 ES ES477114A patent/ES477114A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0003303A1 (de) | 1979-08-08 |
| CA1137514A (en) | 1982-12-14 |
| ES477114A1 (es) | 1979-07-01 |
| EP0003303B1 (de) | 1980-09-17 |
| JPS54117429A (en) | 1979-09-12 |
| DE2960014D1 (en) | 1980-12-18 |
| JPS6331454B2 (pt) | 1988-06-23 |
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