IMPREGNATED REINFORCING SPUN YARN AND USE OF SAME FOR PRODUCING COMPOSITE MATERIALS

IMPREGNATED REINFORCING SPUN YARN AND USE OF SAME FOR PRODUCING COMPOSITE MATERIALS

A pre-impregnated yarn including a bundle of reinforcing fiber filaments having a bundle interior and a bundle outer side, a first resin composition, and a second resin composition. The first resin composition includes at least one urethane resin, H1, produced from a reaction of a bifunctional aroma...

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Hauptverfasser: KUMMER-DÖRNER, SABINE, PUSCH, JENS, WITZEL, SILKE, WOHLMANN, BERND, SCHNEIDER, MARKUS, STÜSGEN, SILKE
Format: Patent
Sprache:eng ; pol
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AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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creator KUMMER-DÖRNER, SABINE
PUSCH, JENS
WITZEL, SILKE
WOHLMANN, BERND
SCHNEIDER, MARKUS
STÜSGEN, SILKE
description A pre-impregnated yarn including a bundle of reinforcing fiber filaments having a bundle interior and a bundle outer side, a first resin composition, and a second resin composition. The first resin composition includes at least one urethane resin, H1, produced from a reaction of a bifunctional aromatic epoxy compound based on bisphenol A, an aromatic polyisocyanate, and a polyalkylene glycol; an oxyalkylated bisphenol A resin, H2; and aromatic polyhydroxy ether P1. The filaments are impregnated with and at least partially connected via the first resin composition. The first resin composition is present in a concentration of 0.1 to 4 wt % relative to a total weight of the pre-impregnated yarn. The second resin composition is on the bundle outer side in the form of particles or drops adhering to the filaments, and is in a concentration of 0.5 to 14 wt % relative to the total weight of the pre-impregnated yarn.
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subjects AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
title IMPREGNATED REINFORCING SPUN YARN AND USE OF SAME FOR PRODUCING COMPOSITE MATERIALS
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