Fiber bundles, fiber bundles, fiber products, and composite materials

Abstract

The purpose of this invention is to provide a fiber slub composition that exhibits a fuzz-inhibiting effect and excellent emulsification stability when formulated as an aqueous emulsion. This invention is a fiber slub composition comprising a phenolic varnish-type epoxy resin (A), an aromatic nonionic surfactant (B), and a polyester resin (C). The polyester resin (C) has constituent units derived from aromatic dicarboxylic acids (d) and constituent units derived from diols (e). Based on the weight of the polyester resin (C), the aromatic portion of the polyester resin (C) contains 4.00–5.05 mmol / g, and based on the weight of the diol (e), the oxyethylene group content of the diol (e) is 9.50–15.00 mmol / g. none

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