DE69213678D1 - Verfahren zur Herstellung von Polyaminen für helleren auf Polyisocyanat basierenden Schaum - Google Patents

Verfahren zur Herstellung von Polyaminen für helleren auf Polyisocyanat basierenden Schaum

Info

Publication number
DE69213678D1
DE69213678D1 DE69213678T DE69213678T DE69213678D1 DE 69213678 D1 DE69213678 D1 DE 69213678D1 DE 69213678 T DE69213678 T DE 69213678T DE 69213678 T DE69213678 T DE 69213678T DE 69213678 D1 DE69213678 D1 DE 69213678D1
Authority
DE
Germany
Prior art keywords
polyamines
polyisocyanate
lighter
production
based foam
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 - Fee Related
Application number
DE69213678T
Other languages
English (en)
Other versions
DE69213678T2 (de
Inventor
Jeffrey S Bolton
Ramon Kalyanaraman
Steven L Schilling
Clarence D Blue
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 AG
Bayer Corp
Original Assignee
Bayer AG
Bayer 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 Bayer AG, Bayer Corp filed Critical Bayer AG
Publication of DE69213678D1 publication Critical patent/DE69213678D1/de
Application granted granted Critical
Publication of DE69213678T2 publication Critical patent/DE69213678T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7685—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing two or more non-condensed aromatic rings directly linked to each other
    • 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
    • C08G2101/00—Manufacture of cellular products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE69213678T 1991-12-10 1992-11-27 Verfahren zur Herstellung von Polyaminen für helleren auf Polyisocyanat basierenden Schaum Expired - Fee Related DE69213678T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/805,407 US5386059A (en) 1991-12-10 1991-12-10 Process for preparing polyamines for lighter color polyisocyanate based foam

Publications (2)

Publication Number Publication Date
DE69213678D1 true DE69213678D1 (de) 1996-10-17
DE69213678T2 DE69213678T2 (de) 1997-01-23

Family

ID=25191496

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69213678T Expired - Fee Related DE69213678T2 (de) 1991-12-10 1992-11-27 Verfahren zur Herstellung von Polyaminen für helleren auf Polyisocyanat basierenden Schaum

Country Status (8)

Country Link
US (2) US5386059A (de)
EP (1) EP0546398B1 (de)
JP (1) JP3352739B2 (de)
KR (1) KR100244696B1 (de)
BR (1) BR9204958A (de)
CA (1) CA2084957C (de)
DE (1) DE69213678T2 (de)
ES (1) ES2091390T3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19711447A1 (de) * 1997-03-19 1998-09-24 Basf Ag Verfahren zur Herstellung von Isocyanaten mit heller Farbe
DE19928741A1 (de) 1999-06-23 2000-12-28 Basf Ag Helle Isocyanate, Verfahren zu deren Herstellung und deren Verwendung
DE10211021A1 (de) * 2002-03-13 2003-09-25 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert
US20060117964A1 (en) * 2004-06-18 2006-06-08 Cauchois Sean M Method for generating a smoke
DE102006002157A1 (de) * 2006-01-17 2007-07-19 Bayer Materialscience Ag Verfahren zur Herstellung heller Isocyanate
ES2582173T3 (es) * 2007-11-14 2016-09-09 Covestro Deutschland Ag Preparación de isocianatos de color claro
US8802890B2 (en) * 2008-11-26 2014-08-12 Huntsman International Llc Process for manufacturing isocyanates
KR20120050444A (ko) 2009-07-16 2012-05-18 바스프 에스이 디페닐메탄 디이소시아네이트 계열의 명색 이소시아네이트의 제조 방법
US9279029B2 (en) 2011-10-21 2016-03-08 Bayer Intellectual Property Gmbh Method for producing light-coloured polyisocyanates
CN109761855B (zh) * 2018-12-20 2020-07-28 万华化学集团股份有限公司 一种制备异佛尔酮二异氰酸酯的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE794327A (fr) * 1972-01-26 1973-07-19 Ici Ltd Procede de production de polyphenylpolyisocyanates
DE2356828C2 (de) * 1973-11-14 1982-10-21 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyaminen und ihre Verwendung als Ausgangsmaterial zur Herstellung von Polyisocyanaten
DE2404774A1 (de) * 1974-02-01 1975-08-21 Basf Ag Verfahren zur herstellung von organischen isocyanaten
DE2750975A1 (de) * 1976-11-19 1978-05-24 Mobay Chemical Corp Verfahren zur herstellung von polyaminen der diphenylmethan-reihe
US4465639A (en) * 1983-01-26 1984-08-14 The Upjohn Company Process for polyisocyanates
US4792624A (en) * 1987-02-26 1988-12-20 The Dow Chemical Company Process for polymeric MDA, recycle of finished polymeric MDA
US5173521A (en) * 1990-06-19 1992-12-22 Mishima Paper Co., Ltd. Absorbent fibrous structure and producing method thereof
DE4112131A1 (de) * 1991-04-13 1992-10-15 Bayer Ag Verfahren zur herstellung von mehrkernigen aromatischen polyaminen
US5310769A (en) * 1992-05-01 1994-05-10 Bayer Aktiengesellschaft Process for the production of polyamine mixtures of the polyamino-polyaryl-polymethylene series
US5312971A (en) * 1992-07-23 1994-05-17 Miles Inc. Color reduction of polymethylene polyphenyl polyisocyanates
US5286760A (en) * 1992-10-09 1994-02-15 Miles, Inc. Process for reducing impurity levels in methylene diphenyamines

Also Published As

Publication number Publication date
EP0546398A2 (de) 1993-06-16
ES2091390T3 (es) 1996-11-01
JP3352739B2 (ja) 2002-12-03
US5484819A (en) 1996-01-16
KR100244696B1 (ko) 2000-02-15
CA2084957A1 (en) 1993-06-11
JPH05320297A (ja) 1993-12-03
CA2084957C (en) 2003-06-17
EP0546398B1 (de) 1996-09-11
US5386059A (en) 1995-01-31
BR9204958A (pt) 1993-06-15
DE69213678T2 (de) 1997-01-23
EP0546398A3 (en) 1993-09-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee