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US 8,137,798 B2Granted
Prepreg and carbon fiber reinforced composite materials
AssigneeToray Industries, Inc.
InventorsNobuyuki Arai, Norimitsu Natsume, Kenichi Yoshioka, Junko Kawasaki, Hiroshi Takezaki
Life of this patent
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Abstract
A prepreg containing a carbon fiber [A] and a thermosetting resin [B], and in addition, satisfying at least one of the following (1) and (2). (1) a thermoplastic resin particle or fiber [C] and a conductive particle or fiber [D] are contained, and weight ratio expressed by [compounding amount of [C] (parts by weight)]/[compounding amount of [D] (parts by weight)] is 1 to 1000. (2) a conductive particle or fiber of which thermoplastic resin nucleus or core is coated with a conductive substance [E] is contained.
Claims14
A prepreg comprising:
- thermosetting resin;
- carbon fiber impregnated with the thermosetting resin;
- and conductive particles or fibers comprised in the thermosetting resin, wherein the conductive particles have a thermoplastic resin nucleus coated with a conductive substance and the conductive fibers have a thermoplastic resin core coated with a conductive substance.
Dependencies are inferred from the claim text.