Process for continuous production of prepregs having a high...

Details Process for continuous production of prepregs having a high... Process for continuous production of prepregs having a high...

C - Chemistry, Metallurgy

08

J

117/113.1

C08J 5/04 (2006.01) B29C 70/50 (2006.01) C08J 5/24 (2006.01) B29C 35/02 (2006.01) B29C 35/16 (2006.01)

Patent

CA 1317827

Abstract of the disclosure A process for the production of prepregs having a high fiber weight of 500 to 2500 g/m2, in which process fiber strands made of glass carbon, aramid, ceramic, metal or other inorganic and/or organic fiber materials, if appropriate together with woven fabrics, laid fabrics, nonwoven fabrics or mats made from one of these materials, are impregnated with duroplastic resins without addi- tional solvents and fed to a twin-belt press, in whose first part, the pressure heating zone, the impregnated fiber material is converted into the B state under the action of pressure and heat, and in whose second part, the integral pressure cooling zone, the fiber material is cooled under pressure, thus stabilizing the B state.

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