Multiaxial textile resin base material and method for production thereof

A multiaxial textile resin base material comprising a thermosetting resin (B) impregnated in a multiaxial textile base material laminate. The multiaxial textile base material laminate includes fiber bundle sheets in which a unidirectionally aligned fiber bundle is stitched by a stitching yarn compos...

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Bibliographische Detailangaben
Hauptverfasser:	SHIRAHASE, Akihiko, OUCHIYAMA, Naoya, OME, Hiroyuki
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BRAIDING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR GENERAL PROCESSES OF COMPOUNDING KNITTING LACE-MAKING LAUNDERING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LOOMS MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METALLURGY METHODS OF WEAVING NON-WOVEN FABRICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS TRIMMINGS WADDING WEAVING WORKING-UP WOVEN FABRICS
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Beschreibung
Zusammenfassung:	A multiaxial textile resin base material comprising a thermosetting resin (B) impregnated in a multiaxial textile base material laminate. The multiaxial textile base material laminate includes fiber bundle sheets in which a unidirectionally aligned fiber bundle is stitched by a stitching yarn composed of a thermoplastic resin (A), the fiber bundle sheets being stacked at different angles, and is traversed in the thickness direction by the stitching yarn that is separate from the laminate, wherein the stitching by the separate stitching yarn runs back and forth while being disposed at a predetermined interval along the length direction. The thermoplastic resin (A) constituting the stitching yarn has a softening point, and the softening point is higher than a resin impregnation temperature for the thermosetting resin (B). Provided is a multiaxial textile resin base material that has an excellent resin impregnability, a high durability (hydrolysis resistance, resistance to thermal deterioration), excellent mechanical properties for composite materials, and an improved compression-after-impact (CAI).