Stabilised organic material

Details Stabilised organic material Stabilised organic material

C - Chemistry, Metallurgy

08

L

400/3066, 400/70

C08L 51/00 (2006.01) C08K 5/04 (2006.01) C08K 5/134 (2006.01) C08K 5/375 (2006.01) C08L 53/00 (2006.01) C08L 57/00 (2006.01) C08L 87/00 (2006.01) C09K 15/08 (2006.01)

Patent

CA 2026900

Stabilised organic material Abstract of the disclosure A composition comprising a) an organic material which is susceptible to degradation induced by oxidation, heat and actinic radiadon, b) at least one compound of formula I Image (I) wherein X1 is a sulfur atom or C1-C12alkylidene, R1 and R2 are each independently of the other hydrogen, C1-C24alkyl, C5-C12cycloalkyl, C5-C7cycloalkyl which is substituted by C1-C4alkyl, or are phenyl or C7-C10phenylalkyl, R3 and R4 are each independently of the other hydrogen or C1-C8alkyl, and c) at least one compound of formula IIa and/or IIb, Image , Image (IIa) (IIb) wherein X2 and X3 are each independently of the other a sulfur atom or C1-C12alkylidene, R5 and R6 are each independently of the other hydrogen, C1-C24alkyl, C5-C12cycloalkyl, C5-C7cycloalkyl which is substituted by C1-C4alkyl, or are phenyl or C7-C10phenylalkyl, R7 and R8 are each independently of the other C1-C4alkyl, with the proviso that the radical X3 in formula IIb is different from sulfur if the component a) is a styrene/butadiene block copolymer.

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