BR9201194A - Processo para o condicionamento e/ou purificacao de isocianatos organicos - Google Patents

Processo para o condicionamento e/ou purificacao de isocianatos organicos

Info

Publication number
BR9201194A
BR9201194A BR929201194A BR9201194A BR9201194A BR 9201194 A BR9201194 A BR 9201194A BR 929201194 A BR929201194 A BR 929201194A BR 9201194 A BR9201194 A BR 9201194A BR 9201194 A BR9201194 A BR 9201194A
Authority
BR
Brazil
Prior art keywords
organic
isocianates
conditioning
purification
isocyanate
Prior art date
Application number
BR929201194A
Other languages
English (en)
Inventor
Hans-Joachim Dr Scholl
Original Assignee
Bayer 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 Ag filed Critical Bayer Ag
Publication of BR9201194A publication Critical patent/BR9201194A/pt

Links

Classifications

    • 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
    • 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
BR929201194A 1991-04-06 1992-04-03 Processo para o condicionamento e/ou purificacao de isocianatos organicos BR9201194A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4111212A DE4111212A1 (de) 1991-04-06 1991-04-06 Verfahren zur konditionierung und/oder reinigung von organischen isocyanaten

Publications (1)

Publication Number Publication Date
BR9201194A true BR9201194A (pt) 1992-12-01

Family

ID=6428994

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929201194A BR9201194A (pt) 1991-04-06 1992-04-03 Processo para o condicionamento e/ou purificacao de isocianatos organicos

Country Status (10)

Country Link
US (1) US5260481A (pt)
EP (1) EP0508216B1 (pt)
JP (1) JP3226597B2 (pt)
KR (1) KR100211850B1 (pt)
AT (1) ATE112551T1 (pt)
BR (1) BR9201194A (pt)
CA (1) CA2064929C (pt)
DE (2) DE4111212A1 (pt)
ES (1) ES2061293T3 (pt)
MX (1) MX9201429A (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59307463D1 (de) * 1992-12-17 1997-11-06 Bayer Ag Verfahren zur Konditionerung und Stabilisierung von Polyolen
JP4247735B2 (ja) * 2002-09-10 2009-04-02 日本ポリウレタン工業株式会社 ポリメチレンポリフェニレンポリイソシアネートの着色低減方法
JPWO2007116761A1 (ja) * 2006-03-30 2009-08-20 日本ポリウレタン工業株式会社 ジフェニルメタン系イソシアネート組成物
DE102006061536A1 (de) * 2006-12-27 2008-07-03 Bayer Materialscience Ag Verfahren zur Konditionierung von Isocyanaten
EP3336118A1 (de) * 2017-09-20 2018-06-20 Basf Se Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate
EP3336117A1 (de) 2017-09-20 2018-06-20 Basf Se Verfahren zur herstellung von in lösungsmitteln flockulationsstabilen polyisocyanaten von (cyclo)aliphatischen diisocyanaten

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL126380C (pt) * 1964-12-17
GB1408745A (en) * 1970-09-23 1975-10-01 Res Ind Inc Method of recovering pure toluene diisocyanate from a polymeric residue product
US3759971A (en) * 1971-01-20 1973-09-18 Jefferson Chem Co Inc Purification of isocyanates
DE2837770C2 (de) * 1978-08-30 1982-11-18 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von lagerbeständigen, flüssigen, Carbodiimidgruppen aufweisenden Polyisocyanaten
US4246187A (en) * 1979-07-17 1981-01-20 E. I. Du Pont De Nemours And Company Separation of 2,4-tolylene diisocyanate from mixtures of 2,4- and 2,6-tolylene diisocyanate
DE3220439A1 (de) * 1982-05-29 1983-12-01 Bayer Ag, 5090 Leverkusen Verfahren zur abtrennung von technisch reinem 2,4-diisocyanatotoluol oder von, einen erhoehten gehalt an 2,4-diisocyanatotoluol aufweisenden, isomerengemischen von, im wesentlichen aus 2,4- und 2,6-diisocyanatotoluol bestehenden, isomerengemischen
DE3329124A1 (de) * 1983-08-11 1985-02-28 Bayer Ag, 5090 Leverkusen Verfahren zur reinigung von polyisocyanaten und die so gereinigten polyisocyanate
US4661627A (en) * 1986-08-19 1987-04-28 The Dow Chemical Company Method for scavenging acidic impurities from polymeric isocyanates
DE3816118A1 (de) * 1988-05-11 1989-11-23 Bayer Ag Stabilisierte polyisocyanate

Also Published As

Publication number Publication date
JPH05117220A (ja) 1993-05-14
JP3226597B2 (ja) 2001-11-05
MX9201429A (es) 1992-10-01
DE4111212A1 (de) 1992-10-08
US5260481A (en) 1993-11-09
KR100211850B1 (ko) 1999-08-02
ES2061293T3 (es) 1994-12-01
EP0508216A1 (de) 1992-10-14
EP0508216B1 (de) 1994-10-05
DE59200584D1 (de) 1994-11-10
KR920019804A (ko) 1992-11-20
ATE112551T1 (de) 1994-10-15
CA2064929A1 (en) 1992-10-07
CA2064929C (en) 2002-06-11

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Legal Events

Date Code Title Description
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FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
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FG9A Patent or certificate of addition granted
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