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US 12,686,736 B2Granted
Composite material and molded composite material
AssigneeRimtec Corporation
InventorMasaki Takeuchi
Life of this patent
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Abstract
A composite material obtained by impregnating a fibrous filler to which a hydrocarbon-based resin is attached with a polymerizable composition containing a cycloolefin monomer and a metathesis polymerization catalyst is provided. According to the present invention, it is possible to provide a composite material which has no impregnation unevenness and can give a composite material molded article having excellent strength.
Claims8
A composite material molded article obtained by curing a composite material,
- wherein the composite material is obtained by impregnating a preform of a fibrous filler with a polymerizable composition,
- the preform of the fibrous filler comprises the fibrous filler and a hydrocarbon-based resin as a binder, and
- the polymerizable composition contains a cycloolefin monomer and a metathesis polymerization catalyst.
Dependencies are inferred from the claim text.