Fiber-reinforced foamed material and method of producing it

Details Fiber-reinforced foamed material and method of producing it Fiber-reinforced foamed material and method of producing it

B - Operations, Transporting

32

B

18/643

B32B 5/16 (2006.01) C08J 9/00 (2006.01) D06M 15/233 (2006.01) D06M 15/41 (2006.01)

Patent

CA 2031863

Disclosed is a fiber-reinforced foamed material compris- ing a foamed body of a resin having a flexural elasticity modulus not smaller than 150 kg/mm2, reinforcement fibers, and a bonding component through which the reinforcement fibers are integrated with the foamed body so as to reinforce the foamed body. At least a part of the reinforcement fibers are in the form of a composite fibrous material having a first component serving as the bonding component and a second component serving to reinforce the body. Also disclosed is a method for producing the fiber-reinforced foamed material which comprises the steps of: providing a foamable material and the composite fibrous material in the form of composite fibers and/or composite yarns each having the first component and the second component; and allowing the foamable material to foam together with the composite fibers or composite yarns at an appropriate tempera- ture, whereby the first component is thermally deformed or melted to serve as the bonding component, while the second component remains as the fibrous reinforcement component.

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