BE860953A - Procede perfectionne pour la preparation de polyamines aromatiques polycycliques - Google Patents

Procede perfectionne pour la preparation de polyamines aromatiques polycycliques

Info

Publication number
BE860953A
BE860953A BE182723A BE182723A BE860953A BE 860953 A BE860953 A BE 860953A BE 182723 A BE182723 A BE 182723A BE 182723 A BE182723 A BE 182723A BE 860953 A BE860953 A BE 860953A
Authority
BE
Belgium
Prior art keywords
preparation
aromatic polycyclic
perfected process
polycyclic polyamines
polyamines
Prior art date
Application number
BE182723A
Other languages
English (en)
French (fr)
Original Assignee
Mobay Chemical Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mobay Chemical Corp filed Critical Mobay Chemical Corp
Publication of BE860953A publication Critical patent/BE860953A/xx

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
BE182723A 1976-11-19 1977-11-18 Procede perfectionne pour la preparation de polyamines aromatiques polycycliques BE860953A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74338076A 1976-11-19 1976-11-19

Publications (1)

Publication Number Publication Date
BE860953A true BE860953A (fr) 1978-05-18

Family

ID=24988563

Family Applications (1)

Application Number Title Priority Date Filing Date
BE182723A BE860953A (fr) 1976-11-19 1977-11-18 Procede perfectionne pour la preparation de polyamines aromatiques polycycliques

Country Status (8)

Country Link
JP (1) JPS5365860A (nl)
BE (1) BE860953A (nl)
CA (1) CA1097690A (nl)
DE (1) DE2750975A1 (nl)
ES (1) ES464271A1 (nl)
FR (1) FR2371417A1 (nl)
GB (1) GB1569226A (nl)
NL (1) NL7712630A (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8305870A (pt) * 1982-10-25 1984-05-29 Elprochine Ag Processo para a preparacao de misturas de metilenodianilina
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1228495A (nl) * 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

Also Published As

Publication number Publication date
ES464271A1 (es) 1978-08-01
JPS5365860A (en) 1978-06-12
NL7712630A (nl) 1978-05-23
FR2371417A1 (fr) 1978-06-16
CA1097690A (en) 1981-03-17
GB1569226A (en) 1980-06-11
DE2750975A1 (de) 1978-05-24

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: MOBAY CHEMICAL CORP.

Effective date: 19841118