Preparing composition for composite laminates

• Main Author: WIHLSSON, LENNART
• Format: Patent
• Language: English; French; German
• Published: 16.09.2015
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PRINTED CIRCUITS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

A composition for the production of a prepreg for the manufacture of thermoset composite laminates, a method for the production of a prepreg, the prepreg, and a thermoset glass fibre reinforced composite laminate manufactured by curing the prepreg. The composition comprises unsaturated polyesters or vinylesters (A, B), a catalyst (C), a thickening agent (D), and a crosslinking initiator (E), a first component (A) of the unsaturated polyesters or vinylesters comprising reactive groups that react with the thickening agent (D), and a second component (B) of the unsaturated polyesters or vinylesters not comprising any groups that react with the thickening agent (D), the composition also comprising a polyether polyol (F).