Fluororubber molded article and method for producing the same
AssigneeNichias Corporation
InventorsNaoya Kuzawa, Mitsuyuki Nakano, Hitoshi Ogura, Masayuki Saito
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Abstract
The present invention relates to a fluororubber molded article obtained by subjecting a fluororubber composition to crosslinking by irradiation of ionizing radiation, wherein the fluororubber composition comprises: (i) a raw rubber having a metal element content of 1.5% or less and comprising a tetrafluoroethylene-propylene copolymer; and (ii) a prepolymer of triallyl isocyanurate. Also disclosed is a method for producing the fluororubber molded article.
Claims5
A fluororubber molded article obtained by subjecting a fluororubber composition to crosslinking by irradiation of ionizing radiation,
- wherein said fluororubber composition comprises:
- (i) a raw rubber having a metal element content of 1.5% or less and comprising a tetrafluoroethylene-propylene copolymer;
- and
- (ii) a prepolymer of triallyl isocyanurate.
A method for producing a fluororubber molded article, which comprises the steps of:
- (A) providing a fluororubber composition comprising:
- (i) a raw rubber having a metal element content of 1.5% or less and comprising a tetrafluoroethylene-propylene copolymer;
- and
- (ii) a prepolymer of triallyl isocyanurate;
- (B) preforming said fluororubber composition into a predetermined form in a heated atmosphere;
- and
- (C) subjecting said preformed product to crosslinking by irradiation of ionizing radiation.
Dependencies are inferred from the claim text.