| 摘要 |
<p>Solid polychloroprene mixtures consisting of sol and gel polymer, wherein the sol component consists of a copolymer of chloroprene and from 0.75 to 0.32% by weight of sulphur, based on the total quantity of unsaturated compounds of the sol polychloroprene, and the gel component consists of a copolymer of chloroprene, from 0.4 to 1.0% by weight of sulphur, based on the total quantity of unsaturated compounds of the gel polychloroprene and from 7.5x10-3 to 3.0x10-2 mols, based on 100 g of the total quantity of monomer of the gel polychloroprene, of a compound corresponding to the general formula <IMAGE> wherein R1 and R2 each represents a hydrogen atom or C1-C4 alkyl group, and X represents a C2-C10 alkylene group, are suitable for the production by extrusion and by calandering of rubber articles which may be subjected to high strains.</p> |
