Method of producing shaped body of cross-linked fluorine-contain

Details Method of producing shaped body of cross-linked fluorine-contain Method of producing shaped body of cross-linked fluorine-contain

1985-07-11

1987-03-24

Schofer, Joseph L.

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

525281, C08F28500, C08F 246

Patent

active

046525920

ABSTRACT:
The disclosure relates to enhancement of mechanical strength and heat resistance of a graft copolymer which is obtained by graft copolymerization of a fluorine-containing monomer that gives a crystalline polymer, such as vinylidene fluoride, with an elastomeric copolymer having peroxy bond, such as a ternary copolymer of vinylidene fluoride, chlorotrifluoroethylene and an unsaturated peroxy compound. A small amount of triallylisocyanurate is mixed with the graft copolymer, and the mixture is formed into a desired shape by a usual method such as calendering or compression moulding. The shaping material is exposed to ionizing radiation such as gamma-ray, which causes cross-linking of the graft copolymer.

REFERENCES:
patent: 3539488 (1970-11-01), Klopfer et al.
patent: 3947525 (1976-03-01), Robertson et al.
patent: 4155823 (1979-05-01), Gotcher et al.
patent: 4472557 (1984-09-01), Kawashima et al.

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