申请人:THE GOODYEAR TIRE & RUBBER COMPANY
公开号:EP1108750A1
公开(公告)日:2001-06-20
An endless power transmission belt (20) having
(1) a tension section (21);
(2) a cushion section (23); and
(3) a load-carrying section (25) disposed between said tension section and cushion section; and the belt containing an elastomeric composition comprising
(a) 100 parts of a rubber derived from
(i) 50 to 100 parts by weight of an ethylene alpha olefin elastomer; and
(ii) 0 to 50 parts by weight of a rubber selected from the group consisting of silicone rubber, polychloroprene, epichlorohydrin, acrylonitrile rubber, hydrogenated acrylonitrile rubber, zinc salts of unsaturated carboxylic acid ester grafted hydrogenated nitrile butadiene-elastomer, natural rubber, styrene-butadiene rubber, 1,4-trans-polybutadiene, ethylene-vinylacetate copolymer, ethylene methacrylate copolymers and terpolymers, chlorinated polyethylene, chlorosulfonated polyethylene, alkylated chloro sulfonated polyethylene, trans-polyoctenamer, polyacrylic rubber, and mixtures thereof;
(b) from 1 to 30 parts by weight per 100 parts by weight of total rubber (phr) of a polybutadiene adduct of maleic acid anhydride.
无端动力传输带(20)具有
(1) 张力部分 (21)
(2) 缓冲段(23);以及
(3) 设置在所述张力段和缓冲段之间的承载段(25);皮带含有弹性组合物,包括
(a) 100 份来自以下材料的橡胶
(i) 50 至 100 份(按重量计)乙烯α-烯烃弹性体;和
(ii) 0 至 50 份(按重量计)选自以下组别的橡胶:硅橡胶、聚氯丁 烯、环氧氯丙烷、丙烯腈橡胶、氢化丙烯腈橡胶、不饱和羧酸 酯接枝氢化丁腈橡胶的锌盐、天然橡胶、丁二烯橡胶、苯乙烯橡 胶、丁二烯橡胶、氢化丁腈橡胶、丁二烯橡胶、1,4-反式聚丁二烯、乙烯-乙酸乙烯酯共聚物、甲基丙烯酸乙烯酯共聚物和三元共聚物、氯化聚乙烯、氯磺化聚乙烯、烷基化氯磺化聚乙烯、反式聚辛烯酰胺、聚丙烯酸橡胶,以及它们的混合物;
(b) 以每 100 份橡胶总重量(phr)计,1 至 30 份马来酸酐聚丁二烯加成物。