FR2372142A1 - Procede pour preparer des polycyclohexylpolyamines a pontage methylene - Google Patents
Procede pour preparer des polycyclohexylpolyamines a pontage methyleneInfo
- Publication number
- FR2372142A1 FR2372142A1 FR7731582A FR7731582A FR2372142A1 FR 2372142 A1 FR2372142 A1 FR 2372142A1 FR 7731582 A FR7731582 A FR 7731582A FR 7731582 A FR7731582 A FR 7731582A FR 2372142 A1 FR2372142 A1 FR 2372142A1
- Authority
- FR
- France
- Prior art keywords
- polycyclohexylpolyamines
- preparing
- mixtures
- methylene
- methylene bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Abstract
L'invention concerne un procédé pour préparer des polycyclohexylpolyamines à pontage méthylène. On prépare des mélanges de polycyclohexylpolyamines à pontage méthylène isomères par hydrogenation de mélanges de polyphénylpolyamines à pontage méthylène à température élevée et sous pression élevées, en présence d'un catalyseur au ruthénium fixé à un support d'alumine. L'invention s'applique en particulier à la préparation de mélanges de polycyclohexylpolyamines à pontage méthylène isomères riches en dicyclohexyldiamines isomères et ayant une fonctionnalité moyenne de 2,0 à 3,0 convenant à la préparation des polyamines et des polyisocyanates correspondants.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74467276A | 1976-11-24 | 1976-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2372142A1 true FR2372142A1 (fr) | 1978-06-23 |
Family
ID=24993571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7731582A Withdrawn FR2372142A1 (fr) | 1976-11-24 | 1977-10-20 | Procede pour preparer des polycyclohexylpolyamines a pontage methylene |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5365861A (fr) |
BE (1) | BE861152A (fr) |
DE (1) | DE2750249A1 (fr) |
FR (1) | FR2372142A1 (fr) |
GB (1) | GB1536808A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0066212A1 (fr) * | 1981-06-01 | 1982-12-08 | Mobay Chemical Corporation | Procédé d'hydrogénation catalytique du di-(4-aminophényl)-méthane |
EP0335336A2 (fr) * | 1988-03-30 | 1989-10-04 | Air Products And Chemicals, Inc. | Hydrogénation catalytique de polyphénylamines brutes à ponts méthylène pour produire des polycyclohexylamines |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4754070A (en) * | 1986-01-23 | 1988-06-28 | Air Products And Chemicals, Inc. | Hydrogenation of methylenedianiline to produce bis(para-aminocyclohexyl)methane |
US5280091A (en) * | 1992-02-07 | 1994-01-18 | Air Products And Chemicals, Inc. | Epoxy resins cured with mixed methylene bridged poly(cyclohexyl-aromatic)amine curing agents |
US6962964B2 (en) | 2003-02-06 | 2005-11-08 | Air Products And Chemicals, Inc. | Hydrogenation of methylenedianiline homologs and epoxy resins cured with same |
-
1977
- 1977-08-25 GB GB35621/77A patent/GB1536808A/en not_active Expired
- 1977-10-20 FR FR7731582A patent/FR2372142A1/fr not_active Withdrawn
- 1977-11-10 DE DE19772750249 patent/DE2750249A1/de active Pending
- 1977-11-24 BE BE182893A patent/BE861152A/fr unknown
- 1977-11-24 JP JP14010077A patent/JPS5365861A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0066212A1 (fr) * | 1981-06-01 | 1982-12-08 | Mobay Chemical Corporation | Procédé d'hydrogénation catalytique du di-(4-aminophényl)-méthane |
EP0335336A2 (fr) * | 1988-03-30 | 1989-10-04 | Air Products And Chemicals, Inc. | Hydrogénation catalytique de polyphénylamines brutes à ponts méthylène pour produire des polycyclohexylamines |
EP0335336A3 (en) * | 1988-03-30 | 1990-04-25 | Air Products And Chemicals, Inc. | Catalytic hydrogenation of crude methylene bridged polyphenylamines to produce polycyclohexylamines |
Also Published As
Publication number | Publication date |
---|---|
GB1536808A (en) | 1978-12-20 |
DE2750249A1 (de) | 1978-06-01 |
BE861152A (fr) | 1978-05-24 |
JPS5365861A (en) | 1978-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |