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GB1569226A - Mines process for the production of multi-nuclear aromatic polya - Google Patents

Mines process for the production of multi-nuclear aromatic polya Download PDF

Info

Publication number
GB1569226A
GB1569226A GB48090/77A GB4809077A GB1569226A GB 1569226 A GB1569226 A GB 1569226A GB 48090/77 A GB48090/77 A GB 48090/77A GB 4809077 A GB4809077 A GB 4809077A GB 1569226 A GB1569226 A GB 1569226A
Authority
GB
United Kingdom
Prior art keywords
mixture
temperature
precondensation
aniline
mda
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
Application number
GB48090/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Corp
Original Assignee
Mobay 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 Corp filed Critical Mobay Corp
Publication of GB1569226A publication Critical patent/GB1569226A/en
Expired legal-status Critical Current

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)
  • Phenolic Resins Or Amino Resins (AREA)
  • Polyurethanes Or Polyureas (AREA)
GB48090/77A 1976-11-19 1977-11-18 Mines process for the production of multi-nuclear aromatic polya Expired GB1569226A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1569226A true GB1569226A (en) 1980-06-11

Family

ID=24988563

Family Applications (1)

Application Number Title Priority Date Filing Date
GB48090/77A Expired GB1569226A (en) 1976-11-19 1977-11-18 Mines process for the production of multi-nuclear aromatic polya

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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283757A1 (en) * 1987-02-26 1988-09-28 The Dow Chemical Company Am improved 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
US7038002B2 (en) 2003-07-25 2006-05-02 Bayer Materialscience Ag Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4′-methylenediphenyl diisocyanate and 2,4′-methylenediphenyl diisocyanate
WO2023063852A1 (en) * 2021-10-13 2023-04-20 Public Joint Stock Company "Sibur Holding" (Pjsc "Sibur Holding") Methods for producing (poly)diaminodiphenylmethane and (poly)diphenylmethane diisocyanate

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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
DE19804915A1 (de) * 1998-02-07 1999-08-12 Basf Ag Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)
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

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283757A1 (en) * 1987-02-26 1988-09-28 The Dow Chemical Company Am improved process for polymeric MDA, recycle of finished polymeric MDA
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
US7038002B2 (en) 2003-07-25 2006-05-02 Bayer Materialscience Ag Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4′-methylenediphenyl diisocyanate and 2,4′-methylenediphenyl diisocyanate
WO2023063852A1 (en) * 2021-10-13 2023-04-20 Public Joint Stock Company "Sibur Holding" (Pjsc "Sibur Holding") Methods for producing (poly)diaminodiphenylmethane and (poly)diphenylmethane diisocyanate
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

Also Published As

Publication number Publication date
NL7712630A (nl) 1978-05-23
DE2750975A1 (de) 1978-05-24
FR2371417A1 (fr) 1978-06-16
ES464271A1 (es) 1978-08-01
BE860953A (fr) 1978-05-18
CA1097690A (en) 1981-03-17
JPS5365860A (en) 1978-06-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee