SHEET FOR FIBER-REINFORCED PLASTIC MOLDING

PROBLEM TO BE SOLVED: To solve the problem that cut paper occurs during paper making with a paper machine when the fiber diameter of a fiber used in a nonwoven fabric increases, leading to lowering of the productivity.SOLUTION: A sheet for fiber-reinforced plastic molding comprises a reinforcing fib...

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Hauptverfasser:	KAWAMUKAI TAKASHI, UENO HIROYOSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BRAIDING CHEMISTRY COMPOSITIONS BASED THEREON COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS GENERAL PROCESSES OF COMPOUNDING IMPREGNATING OR COATING OF PAPER KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METALLURGY NON-WOVEN FABRICS ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TRIMMINGS WADDING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Zusammenfassung:	PROBLEM TO BE SOLVED: To solve the problem that cut paper occurs during paper making with a paper machine when the fiber diameter of a fiber used in a nonwoven fabric increases, leading to lowering of the productivity.SOLUTION: A sheet for fiber-reinforced plastic molding comprises a reinforcing fiber and a matrix resin fiber containing a thermoplastic resin fiber: the fiber diameter of a first fiber is 5-25 μm, and the fiber diameter of a second fiber is 80-400 μm. The fiber-reinforced plastic molding contains 30 mass% or more of the first fiber to the total mass of the fiber-reinforced plastic molding. 【課題】不織布に使用する繊維径が大きくなると、抄紙機による抄紙時に断紙が発生し、生産性が低下するという課題があった。【解決手段】強化繊維と、熱可塑性樹脂繊維を含むマトリックス樹脂繊維とを含む繊維強化プラスチック成形体用シートであって、第一の繊維の繊維径は、５〜２５μｍであり、第二の繊維の繊維径は、８０〜４００μｍであることを特徴とする繊維強化プラスチック成形体用シートである。また、前記繊維強化プラスチック成形体用シートの全質量に対して、前記第一の繊維の割合が３０質量％以上含まれる繊維強化プラスチック成形体用シートである。【選択図】図１