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    • 2. 发明授权
    • Composition for electric cables comprising thiodiol fatty acid diesters
    • 包含硫醇脂肪酸二酯的电缆组合物
    • US06586509B1
    • 2003-07-01
    • US09749500
    • 2000-12-26
    • Jan-Ove BoströmRuth DammertBill GustafssonAnnika Smedberg
    • Jan-Ove BoströmRuth DammertBill GustafssonAnnika Smedberg
    • H01B344
    • H01B3/441C08K5/0025C08K5/37C08L23/06C08L2203/202C08L2312/00C08L23/04
    • A composition for an insulating layer of an electric cable wherein the composition contains an ethylene plastic as the base resin and further contains up to about 5% by weight of additives including antioxidant, and peroxide cross-linking agent. The composition is characterised in that the antioxidant additive includes a compound of the formula (V): R1(—(C+O)O—)k(CH2)1—S—(CH2)m(—OO(C═O)—)nR2 where R1 and R2, which are the same of different, are C7-C23 alkyl, C7-C23 alkenyl, R3—Ar—, Ar—R3—, or AR—, where R3 is C8-C24 alkyl and Ar is c6-c14 aryl; k and n, which are the same of different, are 0 or 1, l and m, which are the same or different, are integers ≧0; with the proviso that the compound is free from phenolic groups; and that the compositions is free from compounds having the formula (VI): R—O—(C═O)—CH2CH2SCH2CH2—(C═O)—O—R where R is a C8-C20 alkyl group.
    • 用于电缆绝缘层的组合物,其中所述组合物含有乙烯塑料作为基础树脂,并且还含有至多约5重量%的包括抗氧化剂和过氧化物交联剂的添加剂。 该组合物的特征在于抗氧剂添加剂包括式(Ⅴ)化合物:R1( - (C + O)O-)k(CH2)1-S-(CH2)m(-OO(C = O) - )n R 2其中R 1和R 2相同的是C 7 -C 23烷基,C 7 -C 23烯基,R 3 -Ar-,Ar-R 3 - 或AR-,其中R 3是C 8 -C 24烷基,Ar是 c6-c14芳基; k和n是相同或不同的,0或1,l和m相同或不同,它们是> = 0的整数; 条件是该化合物不含酚基; 并且该组合物不含具有式(Ⅵ)的化合物:R-O-(C = O)-CH 2 CH 2 SCH 2 CH 2 - (C = O)-O-R,其中R是C 8 -C 20烷基。