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US 2003/0170469 A1Published application
Composite and process for producing the same
AssigneeDaicel-Degussa Ltd.
InventorsToru Ikuta, Hajime Komada, Mitsuteru Mutsuda
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AssigneeDaicel-Degussa Ltd.
InventorsToru Ikuta, Hajime Komada, Mitsuteru Mutsuda
Estimating the term…
A composite of a resin member bonded to a rubber member is obtained by molding a resin molding element and a rubber molding element with contacting said elements each other, and vulcanizing or crosslinking the rubber molding element, wherein said resin molding element is either of a resin composition and a resin member, each comprising the thermoplastic resin; and said rubber molding element is either of a rubber composition and a rubber premolded article, each comprising at least an unvulcanized silicone rubber, and a radical-generating agent (e.g., organic peroxides) being activating on a surface to be contacted with said resin molding element. The thermoplastic resin includes a polyamide-series resin, a polyester-serires resin, a PPE-series resin, etc. The unvulcanized rubber composition may comprise a polyfunctional compound having plural polymerizable groups. Such a process can give a composite composed of a thermoplastic resin molded article bonded to a vulcanized silicone rubber molded article directly and firmly without an adhesive treatment.
A composite of a vulcanized silicone rubber member formed by a vulcanization of an unvulcanized silicone rubber, and resin member comprising a thermoplastic resin and directly bonded to the rubber member, wherein the resin member bonds directly to the vulcanized silicone rubber member vulcanized or crosslinked with a radical-generating agent without an adhesive treatment of the resin member.
A process for producing a composite of a thermoplastic resin-containing resin member bonded to a vulcanized silicone rubber member formed by vulcanization of a rubber composition comprising a radical-generating agent and an unvulcanized silicone rubber, which comprises molding a resin molding element and a rubber molding element with contacting said elements each other, and vulcanizing or crosslinking the rubber molding element,
A process for producing a composite, which comprises heat-molding a resin member composed of a thermoplastic resin and a vulcanized rubber member with interposing a vulcanization-activating agent comprising a polymerizable compound having a plurality of polymerizable groups on a contact surface between the resin member and the vulcanized silicone rubber member to produce a composite of the resin member bonded to the rubber member.
Dependencies are inferred from the claim text.