Impregnated reinforcing fiber yarn and its use in 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, Wohlmann Bernd, Schneider Markus, Stüsgen Silke, Witzel Silke, Pusch Jens
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Sprache:eng
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creator Kummer-Dörner Sabine
Wohlmann Bernd
Schneider Markus
Stüsgen Silke
Witzel Silke
Pusch Jens
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 ADHESIVES
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
CORRECTING FLUIDS
DYES
FILLING PASTES
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
GENERAL PROCESSES OF COMPOUNDING
INKS
LAUNDERING
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PERFORMING OPERATIONS
POLISHES
TEXTILES
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
TREATING TEXTILE MATERIALS BY LIQUIDS, GASES OR VAPOURS
TREATMENT OF TEXTILES OR THE LIKE
USE OF MATERIALS THEREFOR
WOODSTAINS
WORKING-UP
title Impregnated reinforcing fiber yarn and its use in producing composite materials
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