FIBER SIZING AGENT COMPOSITION
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United States of America Patent
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Issued Date -
Aug 14, 2014
app pub date -
Sep 20, 2012
filing date -
Sep 22, 2011
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Abandoned
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Abstract
A fiber sizing agent is described, which is capable of imparting sufficient sizing properties and fiber spreading properties to reinforced fiber bundles for producing fiber-reinforced composite materials. A fiber sizing agent composition (E) includes a sizing agent (A) having a viscosity of 50 to 3,000 Pa·s at 35° C., and has a thixotropic index of 3 to 15. The sizing agent (A) is preferably an epoxy resin, a polyester resin, a polyurethane resin, a polyether resin or a vinyl ester resin.
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