FIBER-CONTAINING PREPREGS AND METHODS AND SYSTEMS OF MAKING

Methods of making a fiber-containing prepregs are described. The methods may include the steps of drawing unsized fibers from a batch of molten glass, applying a sizing composition to the unsized fibers to form a plurality of sized fibers, weaving the plurality of sized fibers into a fabric. Another...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG, MINGFU, YOHANNES, ASHEBER, BLOCK MICHAEL J, GLEICH, KLAUS FRIEDRICH, ASRAR, JAWED
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPINNING TEXTILES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Methods of making a fiber-containing prepregs are described. The methods may include the steps of drawing unsized fibers from a batch of molten glass, applying a sizing composition to the unsized fibers to form a plurality of sized fibers, weaving the plurality of sized fibers into a fabric. Another step may include melting a reactive resin composition to form a melted reactive resin composition, where the reactive resin composition may include caprolactam. The melted reactive resin composition may be applied to the fabric. The method may further include heating the fabric and the melted reactive resin composition to a polymerization temperature, and forming the fiber-resin amalgam into the fiber-containing prepreg. In other embodiments, the methods may include the steps of providing a plurality of fibers, applying a reactive resin composition to the plurality of fibers to make a mixture of the plurality of fibers and the resin composition. The reactive resin composition may include at least one of monomers and oligomers capable of polymerizing into a polymerized resin matrix. The mixture may be heated to a polymerization temperature where the monomers, oligomers, or both polymerize to form a fiber-resin amalgam that includes the polymerized resin matrix. The fiber- resin amalgam may be formed into the fiber-containing prepreg. Also described are methods of forming a fiber-reinforced composite that includes the prepreg. Des méthodes fabrication de préimprégnés contenant des fibres sont décrites. Les procédés peuvent comprendre les étapes consistant à retirer des fibres ensimées dune quantité de verre fondu, appliquer une composition densimage aux fibres ensimées pour former une série de fibres encollées, pour ainsi tisser une série de fibres encollées en un tissu. Une autre étape peut consister à faire fondre une composition de résine réactive pour former une composition de résine réactive fondue, cette composition de résine réactive pouvant comprendre du caprolactame. La composition de résine réactive fondue peut être appliquée au tissu. La méthode peut également comprendre le chauffage du tissu et de la composition de résine réactive fondue à une température de polymérisation, et la formation dun amalgame fibres-résine en un préimprégné contenant des fibres. Selon dautres réalisations, les méthodes peuvent comprendre les étapes pour fournir une série de fibres, appliquer la composition de résine réactive à la série de fibres afin de créer un mélange de l