FIBER-REINFORCED COMPOSITE MATERIAL AND METHOD FOR PRODUCING THE SAME
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Aug 11, 2015
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Oct 29, 2014
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System and method of producing a fiber-reinforced composite material for preventing void formation and improving mechanical properties such as strength and modulus of elasticity are described. The fiber-reinforced composite material contains a thermoplastic resin as a matrix resin and is formed using reinforcing fibers, in particular, a sheet of fiber substrate such as a woven fabric of reinforcing fibers, or a yarn bundle of a fiber substrate of reinforcing fibers. The fiber-reinforced composite material is composed of a resin-laminated substrate which includes a resin-filled substrate formed by filling spaces between fibers in a sheet or a strand of a fiber substrate with thermoplastic polyurethane filler, and a matrix resin layer composed of a thermoplastic resin disposed on the surface of the resin-filled substrate. The added amount of the thermoplastic polyurethane filler to the fiber substrate is from 10 to 30 vol % with respect to the volume of the fiber substrate.
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