Polychloroprene mixtures and the use thereof

Details Polychloroprene mixtures and the use thereof Polychloroprene mixtures and the use thereof

1983-09-06

1984-11-27

Ziegler, Jacob

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525194, 525226, C08L 1100, C08L 2722

Patent

active

044852169

ABSTRACT:
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 7.5.times.10.sup.-3 to 3.0.times.10.sup.-2 mols, based on 100 g of the total quantity of monomer of the gel polychloroprene, of a compound corresponding to the general formula ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom or C.sub.1 -C.sub.4 alkyl group, and X represents a C.sub.2 -C.sub.10 alkylene group,
are suitable for the production by extrusion and by calandering of rubber articles which may be subjected to high strains.

REFERENCES:
patent: 3147318 (1964-09-01), Carrcroft
patent: 3308087 (1967-03-01), Garrett
patent: 3752785 (1973-08-01), Smith

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