SG113610A1 - Production of di- and polyisocyanates of the diphenylmethane series with defined acidity - Google Patents

Production of di- and polyisocyanates of the diphenylmethane series with defined acidity

Info

Publication number
SG113610A1
SG113610A1 SG200500631A SG200500631A SG113610A1 SG 113610 A1 SG113610 A1 SG 113610A1 SG 200500631 A SG200500631 A SG 200500631A SG 200500631 A SG200500631 A SG 200500631A SG 113610 A1 SG113610 A1 SG 113610A1
Authority
SG
Singapore
Prior art keywords
polyisocyanates
production
diphenylmethane series
acidity
defined acidity
Prior art date
Application number
SG200500631A
Other languages
English (en)
Inventor
Ulrich Liman Dr
Heinz-Herbert Muller Dr
Robert Vieler Dr
Ralf Echterhoff Dr
Original Assignee
Bayer Materialscience Ag
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 Materialscience Ag filed Critical Bayer Materialscience Ag
Publication of SG113610A1 publication Critical patent/SG113610A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • A01C1/04—Arranging seed on carriers, e.g. on tapes, on cords ; Carrier compositions
    • A01C1/042—Tapes, bands or cords
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification
    • 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
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
SG200500631A 2004-02-04 2005-02-03 Production of di- and polyisocyanates of the diphenylmethane series with defined acidity SG113610A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004005320A DE102004005320A1 (de) 2004-02-04 2004-02-04 Herstellung von Di- und Polysocyanaten der Diphenylmethanreihe mit definierter Acidität

Publications (1)

Publication Number Publication Date
SG113610A1 true SG113610A1 (en) 2005-08-29

Family

ID=34673134

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200500631A SG113610A1 (en) 2004-02-04 2005-02-03 Production of di- and polyisocyanates of the diphenylmethane series with defined acidity

Country Status (12)

Country Link
US (1) US7205430B2 (fr)
EP (2) EP1561745B1 (fr)
JP (1) JP5162083B2 (fr)
KR (1) KR101142576B1 (fr)
CN (1) CN100591663C (fr)
BR (1) BRPI0500300B1 (fr)
DE (1) DE102004005320A1 (fr)
HK (1) HK1079767A1 (fr)
HU (2) HUE052018T2 (fr)
PT (2) PT3181548T (fr)
SG (1) SG113610A1 (fr)
TW (1) TW200607792A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004032416A1 (de) * 2004-07-05 2006-02-02 Bayer Materialscience Ag Verfahren zur Herstellung von Polyaminen der Diphenylmethanreihe bei niedriger Protonierung
DE102005055189A1 (de) * 2005-11-19 2007-05-24 Bayer Materialscience Ag Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat
CN101415671A (zh) * 2006-03-30 2009-04-22 日本聚氨酯工业株式会社 二苯基甲烷系异氰酸酯组合物
RU2444536C9 (ru) * 2006-04-12 2013-07-10 Басф Се Способ получения полиуретанов
KR100969016B1 (ko) * 2007-12-13 2010-07-09 현대자동차주식회사 내 가수분해성이 향상된 스티어링휠용 폴리우레탄 발포체
US8691005B2 (en) * 2011-07-20 2014-04-08 Huntsman International Llc Binder composition for use in cellulosic composites and methods related thereto
CN105837472A (zh) * 2016-03-31 2016-08-10 常州大学 一种4-（3-氰苄基）苯基乙酰亚胺的合成方法
JP2019023291A (ja) * 2017-07-24 2019-02-14 旭化成株式会社 イソシアネート組成物、塗料組成物、塗膜及び塗装物品
CN109704992A (zh) * 2018-12-18 2019-05-03 甘肃银光聚银化工有限公司 一种降低甲苯二异氰酸酯酸度的方法
CN110396057B (zh) * 2019-07-16 2022-02-18 万华化学集团股份有限公司 一种制备低氯含量的异氰酸酯的方法
CN112300030B (zh) * 2019-08-02 2023-03-31 万华化学集团股份有限公司 一种稳定单体异氰酸酯活性的方法
CN111646927A (zh) * 2020-06-12 2020-09-11 万华节能科技集团股份有限公司 阻燃二苯基甲烷二异氰酸酯的衍生物及其合成方法
CN113980238B (zh) * 2021-10-27 2024-02-27 万华化学集团股份有限公司 一种苯二亚甲基二异氰酸酯组合物及其制备方法、应用

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1138040B (de) * 1960-03-30 1962-10-18 Mobay Chemical Corp Entfernung von hydrolysierbarem Chlor und Verringerung der Aziditaet aus/bzw. von organischen Isocyanaten
US3155699A (en) * 1960-03-30 1964-11-03 Mobay Chemical Corp Purification of isocyanates by reduction of the hydrolyzable chlorine and acid content
GB1229181A (fr) * 1968-08-01 1971-04-21
GB1438637A (en) * 1972-10-02 1976-06-09 Ici Ltd Isocyanates
US3912600A (en) * 1974-05-09 1975-10-14 Upjohn Co Recovery of polymethylene polyphenyl polyisocyanate from a phoshenosed polyamine feed
GB1483957A (en) * 1975-05-19 1977-08-24 Ici Ltd Diphenylmethane diisocyanate compositions
DE3145010A1 (de) * 1981-11-12 1983-05-19 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4,4'-diisocyanatodiphenylmethan
JP2988755B2 (ja) * 1991-09-09 1999-12-13 住友バイエルウレタン株式会社 芳香族イソシアネート化合物の着色防止法
US5726240A (en) * 1996-11-25 1998-03-10 Bayer Corporation Reactivity stabilization of polymethylene poly(phenylisocyanates)
DE19817691A1 (de) * 1998-04-21 1999-10-28 Basf Ag Verfahren zur Herstellung von Mischungen aus Diphenylmehandiisocyanaten und Polyphenylen-polymethylen-polyisocyanaten mit vermindertem Gehalt an chlorierten Nebenprodukten und verminderter Jodfarbzahl
WO1999054332A1 (fr) * 1998-04-22 1999-10-28 Ciba Specialty Chemicals Holding Inc. Preparation de diketo-diaryl-pyrrolopyrroles a substitution alkylthio et/ou arylthio
DE10111337A1 (de) * 2001-03-08 2002-09-12 Basf Ag Verfahren zur Herstellung von MDI, insbesondere von 2.4'-MDI
DE10211021A1 (de) * 2002-03-13 2003-09-25 Bayer Ag Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert

Also Published As

Publication number Publication date
TW200607792A (en) 2006-03-01
PT3181548T (pt) 2021-01-12
BRPI0500300B1 (pt) 2014-03-18
US20050240054A1 (en) 2005-10-27
CN100591663C (zh) 2010-02-24
EP1561745B1 (fr) 2017-03-01
JP2005220137A (ja) 2005-08-18
KR20060041636A (ko) 2006-05-12
PT1561745T (pt) 2017-05-26
HUE052018T2 (hu) 2021-04-28
EP1561745A3 (fr) 2006-03-08
EP3181548A1 (fr) 2017-06-21
KR101142576B1 (ko) 2012-05-03
CN1680299A (zh) 2005-10-12
EP1561745A2 (fr) 2005-08-10
HUE033588T2 (en) 2017-12-28
HK1079767A1 (zh) 2006-04-13
EP3181548B1 (fr) 2020-10-21
BRPI0500300A (pt) 2005-12-06
US7205430B2 (en) 2007-04-17
DE102004005320A1 (de) 2005-08-25
JP5162083B2 (ja) 2013-03-13

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