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US 2025/0012404 A1Published application
Prepreg, molded product, pressure container, method for manufacturing prepreg, and method for manufacturing molded product
AssigneeMitsubishi Chemical Corporation
InventorsYuma FURUHASHI, Takuya ITO
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Abstract
Provided is a prepreg in which gas barrier properties in a case of being molded into a molded product are improved. In the prepreg of the present invention, a thermoplastic resin with which a carbon fiber base material is impregnated, and the thermoplastic resin comprises a vinyl alcohol-based polymer.
Claims15
A prepreg comprising:
- a carbon fiber base material;
- and
- a thermoplastic resin with which the carbon fiber base material is impregnated,
- wherein the thermoplastic resin comprises a vinyl alcohol-based polymer, and
- the vinyl alcohol-based polymer comprises an ethylene-vinyl alcohol copolymer.
2 more elements
A method for manufacturing a prepreg, comprising stacking a resin film on a carbon fiber base material, and impregnating the carbon fiber base material with a resin included in the resin film by heating and pressurizing,
- wherein a resin film comprising a vinyl alcohol-based polymer and a resin film comprising a polyamide resin are used.
Dependencies are inferred from the claim text.