String binders and method for making same

Details String binders and method for making same String binders and method for making same

B - Operations, Transporting

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B

B29B 15/12 (2006.01) B29B 11/16 (2006.01) C03C 25/26 (2006.01) C03C 25/50 (2006.01) C08J 3/24 (2006.01) C08J 5/04 (2006.01)

Patent

CA 2406486

A string binder (12) is disclosed which is useful for making reinforcing articles for use in the manufacture of molded composite articles. The string binder comprises a fibrous carrier substrate (1) covered with a solidified coating (5) comprising a binder resin material having an acid value of less than about 30 mg KOH/g of resin. Additionally, the fibrous carrier substrate may be coated with at least one layer (4) of a pre-coating or post-coating comprising a catalyst composition. The string binder may be co-roved with one or more ends of a separate fibrous reinforcing material to make a product suitable for use in various molding applications.

L'invention concerne un liant (12) filamentaire utile pour fabriquer des articles de renfort destinés à la fabrication d'articles composites moulés. Le liant filamentaire comporte un substrat (1) fibreux recouvert d'un revêtement (5) solidifié contenant une matière de résine de liaison ; cette matière présente un indice d'acidité inférieur à environ 30 mg KOH/g de résine. De plus, le substrat fibreux peut être revêtu d'au moins une couche (4) d'enduction préliminaire ou post-revêtement contenant une composition de catalyseur. Le liant filamentaire peut être coassemblé sans torsion intentionnelle avec une ou plusieurs extrémités d'une matière de renfort fibreuse séparée pour former un produit convenant pour diverses applications de moulage.

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