CA2177737C - Systeme de stabilisation destine a empecher le jaunissement de compositions polymeres - Google Patents

Systeme de stabilisation destine a empecher le jaunissement de compositions polymeres Download PDF

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Publication number
CA2177737C
CA2177737C CA002177737A CA2177737A CA2177737C CA 2177737 C CA2177737 C CA 2177737C CA 002177737 A CA002177737 A CA 002177737A CA 2177737 A CA2177737 A CA 2177737A CA 2177737 C CA2177737 C CA 2177737C
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CA
Canada
Prior art keywords
styrene
copolymer
stabilizer system
acrylonitrile
benzotriazole
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
CA002177737A
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English (en)
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CA2177737A1 (fr
Inventor
Moh-Ching Oliver Chang
Chuan-Ju Chen
Robert Allen Padwa
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Bayer Antwerpen NV
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Bayer Antwerpen NV
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Publication date
Application filed by Bayer Antwerpen NV filed Critical Bayer Antwerpen NV
Priority claimed from PCT/US1994/013801 external-priority patent/WO1995015358A1/fr
Publication of CA2177737A1 publication Critical patent/CA2177737A1/fr
Application granted granted Critical
Publication of CA2177737C publication Critical patent/CA2177737C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

Système de stabilisation destiné à supprimer le jaunissement des polymères au styrène comprenant un benzotriazole tel que 2-(2'-hydroxy-3',5'-di-tert-amylphényl)benzotriazole, un hydroxybenzocyanurate tel que tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate et un produit de condensation d'une N,N'-(2,2,6,6-tétraméthylpipéridyl)alkylènediamine et d'une 6-amino-2,4-dichloro-1,3,5-s-triazine tel que le produit de condensation de N,N'-(2,2,6,6-tétramétylpipéridyl)hexaméthylènediamine et de 6-morpholino-2,4-dichloro-1,3,5-s-triazine. De plus, ce système de stabilisation peut comprendre un thiodipropionate dialkyle et un dialkyldithiocarbamate de zinc.
CA002177737A 1993-12-02 1994-12-02 Systeme de stabilisation destine a empecher le jaunissement de compositions polymeres Expired - Fee Related CA2177737C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16013893A 1993-12-02 1993-12-02
US08/160,138 1993-12-02
PCT/US1994/013801 WO1995015358A1 (fr) 1993-12-02 1994-12-02 Systeme de stabilisation destine a empecher le jaunissement de compositions polymeres

Publications (2)

Publication Number Publication Date
CA2177737A1 CA2177737A1 (fr) 1995-06-08
CA2177737C true CA2177737C (fr) 2006-03-21

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ID=36101469

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002177737A Expired - Fee Related CA2177737C (fr) 1993-12-02 1994-12-02 Systeme de stabilisation destine a empecher le jaunissement de compositions polymeres

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CA (1) CA2177737C (fr)

Also Published As

Publication number Publication date
CA2177737A1 (fr) 1995-06-08

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