ATE848T1 - PROCESS FOR THE PREPARATION OF METHYLENE BRIDGE POLYARYLAMINES. - Google Patents
PROCESS FOR THE PREPARATION OF METHYLENE BRIDGE POLYARYLAMINES.Info
- Publication number
- ATE848T1 ATE848T1 AT79102584T AT79102584T ATE848T1 AT E848 T1 ATE848 T1 AT E848T1 AT 79102584 T AT79102584 T AT 79102584T AT 79102584 T AT79102584 T AT 79102584T AT E848 T1 ATE848 T1 AT E848T1
- Authority
- AT
- Austria
- Prior art keywords
- mda
- polyarylamines
- preparation
- pmppa
- perfluoro
- 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
-
- 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
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/06—Amines
- C08G12/08—Amines aromatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
Through condensation ortho- and para-isomers of methylene dianiline (MDA) as well as PMPPA are produced as condensation products from arylamines, especially from aniline, and formaldehyde in the presence of acid catalysts, in which at least one component is a perfluoro-carbonic acid. From this mixture of the condensation products, 4,4'-MDA (p-isomer) of high purity is obtained by crystallization while the homogeneous aqueous solution obtained is being cooled down. It has been discovered that the 4,4'-MDA salts of the perfluoro-carbonic acids are less soluble in water than the corresponding salts of the o-isomers and the PMPPA.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH953778 | 1978-09-12 | ||
EP79102584A EP0009094B1 (en) | 1978-09-12 | 1979-07-21 | Process for the preparation of methylene-bridge polyaryl amines |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE848T1 true ATE848T1 (en) | 1982-04-15 |
Family
ID=4353041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT79102584T ATE848T1 (en) | 1978-09-12 | 1979-07-21 | PROCESS FOR THE PREPARATION OF METHYLENE BRIDGE POLYARYLAMINES. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4297511A (en) |
EP (1) | EP0009094B1 (en) |
JP (1) | JPS5555144A (en) |
AT (1) | ATE848T1 (en) |
BR (1) | BR7905790A (en) |
DD (1) | DD145911A5 (en) |
DE (1) | DE2962512D1 (en) |
PT (1) | PT70004A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3142529A1 (en) * | 1981-10-27 | 1983-05-05 | Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München | METHOD FOR PRODUCING DIAMINES OF THE DIPHENYLMETHANE SERIES |
DE19513269A1 (en) * | 1995-04-07 | 1996-10-10 | Bayer Ag | Fractionation and purification of aromatic polyamine mixtures and their use |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2938054A (en) * | 1958-02-18 | 1960-05-24 | Allied Chem | Process for purification of 4, 4'-methylenedianiline |
FR1549769A (en) * | 1966-12-20 | 1968-12-13 | ||
US3954867A (en) * | 1969-10-20 | 1976-05-04 | Funk Jr Bernard D | Continuous process for preparing methylene dianilines |
DE2127263A1 (en) * | 1971-06-02 | 1973-01-04 | Bayer Ag | PROCESS FOR THE PRODUCTION OF AROMATIC POLYAMINES |
US4025557A (en) * | 1972-06-03 | 1977-05-24 | Bayer Aktiengesellschaft | Process for the production of polyamines |
CA1004234A (en) * | 1972-08-04 | 1977-01-25 | Bayer Aktiengesellschaft | Process for the production of polyamines |
DE2500573A1 (en) * | 1975-01-09 | 1976-07-15 | Bayer Ag | PROCESS FOR PRODUCING POLYAMINES |
DE2528694C2 (en) * | 1975-06-27 | 1982-04-22 | Bayer Ag, 5090 Leverkusen | Process for the preparation of polynuclear aromatic polyamines |
DE2648982C2 (en) * | 1975-11-11 | 1985-07-11 | Efim Zürich Biller | Process for the preparation of polyarylamines containing methylene bridges |
US4201722A (en) * | 1976-06-04 | 1980-05-06 | The Upjohn Company | Process for separating 4,4'-diaminodiphenylmethane |
DE2748968A1 (en) * | 1976-11-06 | 1978-05-11 | Elprochine Ag | PROCESS FOR THE PRODUCTION OF METHYLENE BRIDGES POLYARYLAMINES |
US4130588A (en) * | 1977-02-02 | 1978-12-19 | The Dow Chemical Company | Process for producing methylene dianiline |
-
1979
- 1979-07-21 EP EP79102584A patent/EP0009094B1/en not_active Expired
- 1979-07-21 DE DE7979102584T patent/DE2962512D1/en not_active Expired
- 1979-07-21 AT AT79102584T patent/ATE848T1/en not_active IP Right Cessation
- 1979-07-31 PT PT70004A patent/PT70004A/en unknown
- 1979-09-04 US US06/072,313 patent/US4297511A/en not_active Expired - Lifetime
- 1979-09-07 DD DD79215412A patent/DD145911A5/en unknown
- 1979-09-11 BR BR7905790A patent/BR7905790A/en unknown
- 1979-09-11 JP JP11663179A patent/JPS5555144A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0009094A3 (en) | 1980-04-16 |
BR7905790A (en) | 1980-07-15 |
US4297511A (en) | 1981-10-27 |
EP0009094B1 (en) | 1982-04-14 |
DE2962512D1 (en) | 1982-05-27 |
JPS5555144A (en) | 1980-04-22 |
PT70004A (en) | 1979-08-01 |
DD145911A5 (en) | 1981-01-14 |
EP0009094A2 (en) | 1980-04-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |