BR9203478A - Metodo para impedir a coloracao de um composto de isocianato aromatico - Google Patents

Metodo para impedir a coloracao de um composto de isocianato aromatico

Info

Publication number
BR9203478A
BR9203478A BR929203478A BR9203478A BR9203478A BR 9203478 A BR9203478 A BR 9203478A BR 929203478 A BR929203478 A BR 929203478A BR 9203478 A BR9203478 A BR 9203478A BR 9203478 A BR9203478 A BR 9203478A
Authority
BR
Brazil
Prior art keywords
aromatic
prevent coloring
isocianate
compound
isocianate compound
Prior art date
Application number
BR929203478A
Other languages
English (en)
Inventor
Toshiaki Imokawa
Original Assignee
Sumitomo Bayer Urethane Co
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 Sumitomo Bayer Urethane Co filed Critical Sumitomo Bayer Urethane Co
Publication of BR9203478A publication Critical patent/BR9203478A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/06—Phosphorus compounds without P—C bonds
    • C07F9/08—Esters of oxyacids of phosphorus
    • C07F9/141—Esters of phosphorous acids
    • C07F9/145—Esters of phosphorous acids with hydroxyaryl compounds
    • 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
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/06—Phosphorus compounds without P—C bonds
    • C07F9/08—Esters of oxyacids of phosphorus
    • C07F9/141—Esters of phosphorous acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
BR929203478A 1991-09-09 1992-09-08 Metodo para impedir a coloracao de um composto de isocianato aromatico BR9203478A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3227898A JP2988755B2 (ja) 1991-09-09 1991-09-09 芳香族イソシアネート化合物の着色防止法

Publications (1)

Publication Number Publication Date
BR9203478A true BR9203478A (pt) 1993-04-27

Family

ID=16868040

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929203478A BR9203478A (pt) 1991-09-09 1992-09-08 Metodo para impedir a coloracao de um composto de isocianato aromatico

Country Status (8)

Country Link
US (1) US5258548A (pt)
EP (1) EP0531803B1 (pt)
JP (1) JP2988755B2 (pt)
KR (1) KR100234581B1 (pt)
BR (1) BR9203478A (pt)
CA (1) CA2077632A1 (pt)
DE (1) DE69202945T2 (pt)
ES (1) ES2075986T3 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4331085A1 (de) * 1993-09-13 1995-03-16 Basf Ag Stabile, nach phosgenfreien Verfahren erhältliche Polyisocyanatzusammensetzungen und ein Verfahren zu ihrer Herstellung
DE4331083A1 (de) * 1993-09-13 1995-03-16 Basf Ag Lagerstabile, nach phosgenfreien Verfahren erhältliche Polyisocyanatzusammensetzungen, ein Verfahren zu ihrer Herstellung und ihre Verwendung
JPH0867662A (ja) * 1994-08-30 1996-03-12 Sumitomo Bayer Urethane Kk 液状のジフェニルメタンジイソシアネートの製造法
DE19914291A1 (de) * 1999-03-30 2000-10-05 Bayer Ag Verfahren zur Absenkung des Chlorgehaltes von niedermolekularen Isocyanaten
TW593450B (en) * 2001-03-21 2004-06-21 Hoya Corp Transparent molded articles, optical components, plastic lenses and preparation method thereof
DE10327009A1 (de) * 2003-06-12 2004-12-30 Basf Ag Mischungen enthaltend Isocyanat und Stabilisator
CA2532294A1 (en) * 2003-07-14 2005-09-29 Rhodia, Inc. Improved color stability of isocyanates
DE102004005320A1 (de) * 2004-02-04 2005-08-25 Bayer Materialscience Ag Herstellung von Di- und Polysocyanaten der Diphenylmethanreihe mit definierter Acidität
JP2005298365A (ja) * 2004-04-07 2005-10-27 Mitsui Takeda Chemicals Inc 有機ポリイソシアネート組成物
DE102004058173A1 (de) * 2004-12-02 2006-06-08 Degussa Ag Lagerstabile aliphatische, cycloaliphatische oder (cyclo)aliphatische Diisocyanate
WO2015123416A1 (en) 2014-02-14 2015-08-20 Basf Se Method of preparing a polycarbodiimide polymer and polycarbodiimide polymer prepared thereby
FR3078707B1 (fr) * 2018-03-06 2020-12-25 Vencorex France Composition de polyisocyanates
WO2024049033A1 (ko) * 2022-08-31 2024-03-07 한화솔루션 주식회사 이소시아네이트 조성물

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437867A (en) * 1946-06-01 1948-03-16 Du Pont Organic isocyanates
US2957903A (en) * 1959-03-24 1960-10-25 Du Pont Stabilization of organic isocyanates
GB1014043A (en) * 1963-07-01 1965-12-22 Ici Ltd Isocyanate compositions
US3585229A (en) * 1968-06-21 1971-06-15 Kaiser Aluminium Chem Corp Decolorization of aromatic isocyanates
US3715381A (en) * 1969-06-11 1973-02-06 Allied Chem Polyisocyanate compositions stabilized against discoloration
DE2930411C2 (de) * 1979-07-26 1982-10-21 Bayer Ag, 5090 Leverkusen Verwendung von Diisocyanatgemischen der Diphenylmethanreihe als Lösungsmittel für Hilfs- und Zusatzmittel für aromatische Polyisocyanate.
JPS5782358A (en) * 1980-11-13 1982-05-22 Mitsui Toatsu Chem Inc Prevention of coloring of aromatic isocyanate compound
JPS59189116A (ja) * 1983-04-11 1984-10-26 Nippon Polyurethan Kogyo Kk 着色安定化ポリイソシアネ−ト組成物の製造方法
US4677154A (en) * 1985-12-18 1987-06-30 Basf Corporation Stabilizer package for polyurethane comprising a substituted cresol and another costabilizer
US4724247A (en) * 1986-07-18 1988-02-09 Ethyl Corporation Antioxidant aromatic diphosphites
ES2055472T3 (es) * 1990-03-07 1994-08-16 Bayer Ag Estabilizacion de poliisocianatos organicos.

Also Published As

Publication number Publication date
EP0531803B1 (en) 1995-06-14
US5258548A (en) 1993-11-02
KR100234581B1 (ko) 1999-12-15
ES2075986T3 (es) 1995-10-16
EP0531803A2 (en) 1993-03-17
KR930005968A (ko) 1993-04-20
JP2988755B2 (ja) 1999-12-13
JPH0565264A (ja) 1993-03-19
EP0531803A3 (en) 1993-05-19
DE69202945D1 (de) 1995-07-20
DE69202945T2 (de) 1995-11-02
CA2077632A1 (en) 1993-03-10

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law