| 摘要 |
1471817 Vulcanizing epichlorohydrin rubber SANYO TRADING CO Ltd 28 Oct 1975 [29 Oct 1974] 44289/75 Heading C3R A vulcanizable composition comprises epichlorohydrin rubber (I) and at least one amino acid selected from arginine, lysine, hydroxylysine, ornithine, glutamine and citrulline. I includes epichlorohydrin homopolymers or copolymers thereof with ethylene oxide either of which may be modified by copolymerization therewith of allyl glycidyl ether. The composition may contain 0À01 to 50 parts by weight of amino acid per 100 parts by weight of I. Vulcanization may take place by heating, e.g. for 20 minutes at 170‹ C. |
