SPUN YARN AND INTERMEDIATE FOR FIBER-REINFORCED RESIN, AND MOLDED ARTICLE OF FIBER-REINFORCED RESIN USING THE SAME
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United States of America Patent
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Issued Date -
Aug 30, 2012
app pub date -
Oct 6, 2010
filing date -
Nov 17, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a spun yarn for a fiber-reinforced plastic, which is composed of blended yarns (3a, 3b) of a natural plant fiber and a synthetic fiber. The synthetic fiber is a thermoplastic synthetic fiber capable of serving as a matrix resin in a FRP. Also disclosed is an intermediate for a fiber-reinforced plastic that is a woven fabric, a knitted fabric, a multiaxial warp knitted fabric or a braided fabric, formed of the aforementioned spun yarn for a fiber-reinforced plastic. Also disclosed is a fiber-reinforced plastic molded article that is obtained by heating and press-molding the intermediate for a fiber-reinforced plastic at a mold temperature equal to or higher than the melting point of the synthetic fiber, or by aligning the spun yarn for a fiber-reinforced plastic in at least one direction, heating and press-molding the same at a mold temperature equal to or higher than the melting point of the synthetic fiber. Thus, the spun yarn for a fiber-reinforced plastic that exhibits superior integrity between the natural plant fiber and the synthetic fiber and that also a good moldability can be obtained at a low cost. And furthermore, the intermediate and the fiber-reinforced plastic molded article using the same can be provided.
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