ES464271A1 - Procedimiento para preparar poliaminas aromaticas multi-nu- cleares. - Google Patents
Procedimiento para preparar poliaminas aromaticas multi-nu- cleares.Info
- Publication number
- ES464271A1 ES464271A1 ES464271A ES464271A ES464271A1 ES 464271 A1 ES464271 A1 ES 464271A1 ES 464271 A ES464271 A ES 464271A ES 464271 A ES464271 A ES 464271A ES 464271 A1 ES464271 A1 ES 464271A1
- Authority
- ES
- Spain
- Prior art keywords
- mixture
- production
- aromatic
- nuclear aromatic
- acid catalyst
- 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.)
- Expired
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
- Y02P20/584—Recycling of catalysts
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74338076A | 1976-11-19 | 1976-11-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES464271A1 true ES464271A1 (es) | 1978-08-01 |
Family
ID=24988563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES464271A Expired ES464271A1 (es) | 1976-11-19 | 1977-11-18 | Procedimiento para preparar poliaminas aromaticas multi-nu- cleares. |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5365860A (es) |
BE (1) | BE860953A (es) |
CA (1) | CA1097690A (es) |
DE (1) | DE2750975A1 (es) |
ES (1) | ES464271A1 (es) |
FR (1) | FR2371417A1 (es) |
GB (1) | GB1569226A (es) |
NL (1) | NL7712630A (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD212524A5 (de) * | 1982-10-25 | 1984-08-15 | Elprochine Ag | Verfahren zur herstellung von methylenbruecken aufweisenden polyarylaminen |
US4792624A (en) * | 1987-02-26 | 1988-12-20 | The Dow Chemical Company | Process for polymeric MDA, recycle of finished polymeric MDA |
US5386059A (en) * | 1991-12-10 | 1995-01-31 | Miles Inc. | Process for preparing polyamines for lighter color polyisocyanate based foam |
DE19804915A1 (de) * | 1998-02-07 | 1999-08-12 | Basf Ag | Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat) |
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 |
CN101279923B (zh) * | 2007-04-06 | 2010-08-25 | 宁波万华聚氨酯有限公司 | 一种制备多亚甲基多苯基多胺的方法 |
WO2023063843A1 (en) * | 2021-10-13 | 2023-04-20 | Public Joint Stock Company "Sibur Holding" (Pjsc "Sibur Holding") | Method for producing (poly)diaminodiphenylmethane (variants) and method for producing (poly)diphenylmethane diisocyanate |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1228495A (es) * | 1968-11-25 | 1971-04-15 | Ici Ltd | |
BE756251A (fr) * | 1969-09-17 | 1971-03-17 | Kaiser Aluminium Chem Corp | Procede pour preparer des polyamines aromatiques |
-
1977
- 1977-11-15 DE DE19772750975 patent/DE2750975A1/de not_active Withdrawn
- 1977-11-16 NL NL7712630A patent/NL7712630A/xx not_active Application Discontinuation
- 1977-11-18 ES ES464271A patent/ES464271A1/es not_active Expired
- 1977-11-18 BE BE182723A patent/BE860953A/xx not_active IP Right Cessation
- 1977-11-18 CA CA291,188A patent/CA1097690A/en not_active Expired
- 1977-11-18 FR FR7734815A patent/FR2371417A1/fr not_active Withdrawn
- 1977-11-18 JP JP13803677A patent/JPS5365860A/ja active Pending
- 1977-11-18 GB GB48090/77A patent/GB1569226A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5365860A (en) | 1978-06-12 |
FR2371417A1 (fr) | 1978-06-16 |
GB1569226A (en) | 1980-06-11 |
CA1097690A (en) | 1981-03-17 |
DE2750975A1 (de) | 1978-05-24 |
NL7712630A (nl) | 1978-05-23 |
BE860953A (fr) | 1978-05-18 |
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