An endless single V-grooved power transmission belt having
(A) a tension section (21);
(B) a cushion section (23); and
(C) a load-carrying section (25) disposed between said tension section (21) and cushion section (23); and the belt containing a sulfur cured elastomeric composition comprising
(1) 100 parts of a rubber derived from
(a) 25 to 100 parts by weight of natural rubber; and
(b) 0 to 75 parts by weight of a second rubber selected from the group consisting of polychloroprene, synthetic polyisoprene, epichlorohydrin, acrylonitrile rubber, hydrogenated acrylonitrile rubber, styrene-butadiene rubber, styrene-isoprene rubber, isoprene-butadiene rubber, styrene-isoprene-butadiene rubber, 1,4-trans-polybutadiene, chlorosulfonated polyethylene, alkylated chlorosulfonated polyethylene, trans-polyoctenamer and mixtures thereof;
(2) from 1 to 30 parts by weight per 100 parts by weight of total rubber (phr) of a polybutadiene adduct of maleic acid anhydride; and
(3) from 5 to 50 phr of fibers distributed throughout the elastomer composition.
一种无尽的单 V 形槽传动带,具有以下特点
(A) 张力段(21)
(B) 缓冲段(23);以及
(C) 设置在所述张紧段 (21) 和缓冲段 (23) 之间的承载段 (25);皮带含有
硫固化弹性体组合物,包括
(1) 100 份来自以下材料的橡胶
(a) 25 至 100 份(按重量计)
天然橡胶;以及
(b) 0 至 75 份(按重量计)选自以下组别的第二种橡胶:聚
氯丁二烯、合成聚
异戊二烯、
环氧氯丙烷、
丙烯腈橡胶、氢化
丙烯腈橡胶、
丁苯橡胶、
苯乙烯-
异戊二烯橡胶、
苯乙烯-
丁二烯橡胶、
苯乙烯-
异戊二烯橡胶、
苯乙烯-
丁二烯橡胶、
苯乙烯-
异戊二烯橡胶、
苯乙烯-
异戊二烯橡胶、
异戊二烯-
丁二烯橡胶、
苯乙烯-
异戊二烯-
丁二烯橡胶、1,4-反式-聚
丁二烯、
氯磺化聚
乙烯、烷基化
氯磺化聚
乙烯、反式-聚
辛烯酰胺及其混合物;
(2) 以每 100 份总橡胶重量计,1 至 30 份
马来酸酐聚
丁二烯加合物(phr); 以及
(3) 5 至 50 phr 的纤维,分布在整个弹性体组合物中。