C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
31/75
C08K 5/34 (2006.01) C08K 5/3477 (2006.01) C08K 5/372 (2006.01) C08K 5/378 (2006.01)
Patent
CA 1197373
ABSTRACT An oxidation and heat stabilizer for synthetic resins which is a mixture of a 1,3,5-tris{2-[3-(3-t-butyl-4-hydroxy-5- methylphenyl)-propionyloxy]ethyl}isocyanuric acid (I) and at least one sulfur-containing compound (II) selected from: Image (II-1) wherein R1 is an alkyl group having 4 to 20 carbon atoms, and Image (II-2) wherein R2 is an alkyl group having 3 to 18 carbon atoms, and R3 and R4 are each independently a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, in the ratio (I):(II) of 1:0.5-15 by weight.
439045
Ishii Tamaki
Takahashi Yukoh
Yachigo Shinichi
Ridout & Maybee Llp
Sumitomo Chemical Co. Ltd.
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