ES2075986T3 - Procedimiento para impedir la coloracion de compuestos de isocianato aromaticos. - Google Patents
Procedimiento para impedir la coloracion de compuestos de isocianato aromaticos.Info
- Publication number
- ES2075986T3 ES2075986T3 ES92114573T ES92114573T ES2075986T3 ES 2075986 T3 ES2075986 T3 ES 2075986T3 ES 92114573 T ES92114573 T ES 92114573T ES 92114573 T ES92114573 T ES 92114573T ES 2075986 T3 ES2075986 T3 ES 2075986T3
- Authority
- ES
- Spain
- Prior art keywords
- aromatic
- isocianate
- coloring
- compounds
- procedure
- 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 - Lifetime
Links
- 150000001875 compounds Chemical class 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000004040 coloring Methods 0.000 title 1
- 239000012948 isocyanate Substances 0.000 abstract 2
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 abstract 2
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- -1 ISOCYANATE COMPOUND Chemical class 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 150000002513 isocyanates Chemical class 0.000 abstract 1
- 150000008301 phosphite esters Chemical class 0.000 abstract 1
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)
Abstract
UN METODO PARA EVITAR LA COLORACION DE UN COMPUESTO DE ISOCIANATO AROMATICO QUE SE CARACTERIZA EN TANTO QUE UN ESTER DE FOSFITO ORGANICO CON LA FORMULA: EN DONDE, R1, R2, R3 Y R4 SON, LO MISMO O ALGO DISTINTO, CADA UNO UN GRUPO DE HIDROCARBURO C4-20, SE INCORPORAN 2,6 FOSFITO DE TRIFENILO AL COMPUESTO DE ISOCIANATO AROMATICO.
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 |
---|---|
ES2075986T3 true ES2075986T3 (es) | 1995-10-16 |
Family
ID=16868040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES92114573T Expired - Lifetime ES2075986T3 (es) | 1991-09-09 | 1992-08-27 | Procedimiento para impedir la coloracion de compuestos de isocianato aromaticos. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5258548A (es) |
EP (1) | EP0531803B1 (es) |
JP (1) | JP2988755B2 (es) |
KR (1) | KR100234581B1 (es) |
BR (1) | BR9203478A (es) |
CA (1) | CA2077632A1 (es) |
DE (1) | DE69202945T2 (es) |
ES (1) | ES2075986T3 (es) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4331083A1 (de) * | 1993-09-13 | 1995-03-16 | Basf Ag | Lagerstabile, nach phosgenfreien Verfahren erhältliche Polyisocyanatzusammensetzungen, ein Verfahren zu ihrer Herstellung und ihre Verwendung |
DE4331085A1 (de) * | 1993-09-13 | 1995-03-16 | Basf Ag | Stabile, nach phosgenfreien Verfahren erhältliche Polyisocyanatzusammensetzungen und ein Verfahren zu ihrer Herstellung |
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 |
EP1732965B1 (en) * | 2003-07-14 | 2014-02-26 | Vencorex US, 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 |
CA2939503A1 (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)
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. |
-
1991
- 1991-09-09 JP JP3227898A patent/JP2988755B2/ja not_active Expired - Lifetime
-
1992
- 1992-08-27 DE DE69202945T patent/DE69202945T2/de not_active Expired - Lifetime
- 1992-08-27 ES ES92114573T patent/ES2075986T3/es not_active Expired - Lifetime
- 1992-08-27 EP EP92114573A patent/EP0531803B1/en not_active Expired - Lifetime
- 1992-09-03 US US07/939,817 patent/US5258548A/en not_active Expired - Lifetime
- 1992-09-04 CA CA002077632A patent/CA2077632A1/en not_active Abandoned
- 1992-09-07 KR KR1019920016261A patent/KR100234581B1/ko not_active IP Right Cessation
- 1992-09-08 BR BR929203478A patent/BR9203478A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE69202945D1 (de) | 1995-07-20 |
DE69202945T2 (de) | 1995-11-02 |
BR9203478A (pt) | 1993-04-27 |
CA2077632A1 (en) | 1993-03-10 |
JPH0565264A (ja) | 1993-03-19 |
JP2988755B2 (ja) | 1999-12-13 |
KR100234581B1 (ko) | 1999-12-15 |
EP0531803A2 (en) | 1993-03-17 |
EP0531803B1 (en) | 1995-06-14 |
US5258548A (en) | 1993-11-02 |
EP0531803A3 (en) | 1993-05-19 |
KR930005968A (ko) | 1993-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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