POLYPHENYLENE SULFIDE COMPOSITE FIBER AND NONWOVEN FABRIC
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United States of America Patent
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Aug 27, 2015
app pub date -
Sep 18, 2013
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Sep 21, 2012
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Provided are a composite fiber which consists primarily of resins comprising polyphenylene sulfide as their main constituents and which has both thermal dimensional stability and excellent thermal bondability, and a nonwoven fabric. The composite fiber consists primarily of component A and component B, the component A being a resin that includes polyphenylene sulfide as its main constituent, the component B being a resin that includes polyphenylene sulfide as its main constituent, having a higher melt flow rate than the component A, and forming at least part of the surface of the fiber.
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