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SHEATH-CORE COMPOSITE YARN FOR FIBER-REINFORCED RESINS, AND FIBER-REINFORCED RESIN USING SAME

A sheath-core composite yarn 1 for fiber-reinforced resins, which comprises a core yarn 2 and covering yarns 3, 4, and wherein: the core yarn is a superfiber yarn that has a strength of 14 cN/decitex or more and an elastic modulus of 300 cN/decitex or more; each of the covering yarns 3, 4 is at least one yarn selected from among a carbon fiber yarn, a glass fiber yarn, an aramid fiber yarn and a high-strength polyethylene fiber yarn; and the covering yarns 3, 4 are composed of at least two yarns which have different winding directions and cover the circumference of the core yarn 1. A fiber-reinforced resin according to the present invention is obtained by integrally molding the sheath-core composite yarn 1 with a matrix resin or by integrally molding a fiber structure that contains the sheath-core composite yarn 1 with a matrix resin. Consequently, the present invention provides: a sheath-core composite yarn for fiber-reinforced resins, which has high impact energy absorption properties; and a fiber-reinforced resin which uses this sheath-core composite yarn for fiber-reinforced resins.


» Number: WO2019013091A1 (A1)

» Publication Date: 19//2/17/0

» Applicant: KURASHIKI BOSEKI KK?[JP]

» Inventor: KASUYA AKIRA; YOKOTA HIROSHI

» More Information

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This project has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° [609203].

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