BR7703389A - Processo para a separacao de 4,4'-di-amino-di-fenil-metano numa forma substancialmente pura,a partir de sua mistura com o isomero 2,4'-e o isomero 2,2'-correspondentes - Google Patents
Processo para a separacao de 4,4'-di-amino-di-fenil-metano numa forma substancialmente pura,a partir de sua mistura com o isomero 2,4'-e o isomero 2,2'-correspondentesInfo
- Publication number
- BR7703389A BR7703389A BR7703389A BR7703389A BR7703389A BR 7703389 A BR7703389 A BR 7703389A BR 7703389 A BR7703389 A BR 7703389A BR 7703389 A BR7703389 A BR 7703389A BR 7703389 A BR7703389 A BR 7703389A
- Authority
- BR
- Brazil
- Prior art keywords
- isomer
- feny
- methane
- amino
- separation
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
- C07C211/49—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton
- C07C211/50—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
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 |
|---|---|---|---|
| US05/690,913 US4034039A (en) | 1976-05-28 | 1976-05-28 | Purification of methylenedianilines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7703389A true BR7703389A (pt) | 1978-02-28 |
Family
ID=24774471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7703389A BR7703389A (pt) | 1976-05-28 | 1977-05-26 | Processo para a separacao de 4,4'-di-amino-di-fenil-metano numa forma substancialmente pura,a partir de sua mistura com o isomero 2,4'-e o isomero 2,2'-correspondentes |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4034039A (enExample) |
| JP (1) | JPS52148054A (enExample) |
| BE (1) | BE855158A (enExample) |
| BR (1) | BR7703389A (enExample) |
| DD (1) | DD130931A5 (enExample) |
| DE (1) | DE2719997C2 (enExample) |
| ES (1) | ES458767A1 (enExample) |
| FR (1) | FR2352789A1 (enExample) |
| GB (1) | GB1519135A (enExample) |
| IT (1) | IT1079667B (enExample) |
| MX (1) | MX145853A (enExample) |
| NL (1) | NL7705750A (enExample) |
| SU (1) | SU667129A3 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05331110A (ja) * | 1992-05-29 | 1993-12-14 | Sumitomo Chem Co Ltd | ４，４’−ジアミノジフェニルメタンの精製方法 |
| DE19529857A1 (de) * | 1995-08-14 | 1997-02-20 | Bayer Ag | Adduktkristallisate aus Bisphenol A und Bisphenol TMC |
| CN101370767B (zh) * | 2006-01-20 | 2011-12-28 | 巴斯夫欧洲公司 | 同时制备4,4'-二苯基甲烷二胺、二苯基甲烷二异氰酸酯、多亚苯基多亚甲基多异氰酸酯的方法 |
| US10759736B2 (en) | 2018-10-17 | 2020-09-01 | Covestro Deutschland Ag | Process for the preparation of di- and polyamines of the diphenylmethane series |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1023040B (de) * | 1956-09-03 | 1958-01-23 | Teerverwertung Mit Beschraenkt | Verfahren zur Herstellung von reinstem Anilin aus Steinkohlenteer |
| US3682782A (en) * | 1968-07-11 | 1972-08-08 | Halcon International Inc | Reduced pressure distillation process for recovering aniline from phenolaniline mixtures |
| US3542871A (en) * | 1968-07-29 | 1970-11-24 | Upjohn Co | Purification of 4,4'-methylene dianiline by crystallization |
-
1976
- 1976-05-28 US US05/690,913 patent/US4034039A/en not_active Expired - Lifetime
-
1977
- 1977-05-04 GB GB18712/77A patent/GB1519135A/en not_active Expired
- 1977-05-04 DE DE2719997A patent/DE2719997C2/de not_active Expired
- 1977-05-11 MX MX169099A patent/MX145853A/es unknown
- 1977-05-13 ES ES458767A patent/ES458767A1/es not_active Expired
- 1977-05-24 IT IT49542/77A patent/IT1079667B/it active
- 1977-05-25 DD DD7700199123A patent/DD130931A5/xx unknown
- 1977-05-25 NL NL7705750A patent/NL7705750A/xx not_active Application Discontinuation
- 1977-05-26 BR BR7703389A patent/BR7703389A/pt unknown
- 1977-05-27 SU SU772485750A patent/SU667129A3/ru active
- 1977-05-27 JP JP6130977A patent/JPS52148054A/ja active Pending
- 1977-05-27 BE BE178011A patent/BE855158A/xx not_active IP Right Cessation
- 1977-05-31 FR FR7716520A patent/FR2352789A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4034039A (en) | 1977-07-05 |
| JPS52148054A (en) | 1977-12-08 |
| DD130931A5 (de) | 1978-05-17 |
| FR2352789A1 (fr) | 1977-12-23 |
| ES458767A1 (es) | 1978-03-16 |
| MX145853A (es) | 1982-04-07 |
| SU667129A3 (ru) | 1979-06-05 |
| FR2352789B1 (enExample) | 1981-02-27 |
| NL7705750A (nl) | 1977-11-30 |
| BE855158A (fr) | 1977-11-28 |
| DE2719997A1 (de) | 1977-12-08 |
| IT1079667B (it) | 1985-05-13 |
| DE2719997C2 (de) | 1986-07-03 |
| GB1519135A (en) | 1978-07-26 |
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