Composite base material

摘要

There is provided a composite base material, including: carbon fibers having an average fiber length of 3 mm or more and 100 mm or less; and a thermoplastic resin is firmly fixed to the carbon fibers in an amount of 3 to 100 parts by mass with respect to 100 parts by mass of the carbon fibers, wherein a void ratio is more than 7 vol % to less than 100 vol %.

主权项

1. A composite base material, comprising:
carbon fibers having an average fiber length of 3 mm or more and 100 mm or less; and a thermoplastic resin is firmly fixed to the carbon fibers in an amount of 3 to 100 parts by mass with respect to 100 parts by mass of the carbon fibers, wherein a void ratio of the composite base material is more than 7 vol % to less than 100 vol %, wherein a width of the carbon fibers is 5 mm or less and a thickness of the carbon fibers is ½ or less of the width, and wherein the carbon fibers are in a mat-form material in which the carbon fibers are two-dimensionally randomly oriented and no carbon fibers are aligned in one direction on a surface thereof.