Process for resin transfer molding using a partially cured tacki

Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Coating or impregnating workpiece before molding or shaping...

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264131, 264257, 264258, B29C 7048

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active

054277264

ABSTRACT:
An improved process to make composites contains the steps of: (1) contacting a substrate with a thermoplastic partially-cured curable resin at above the glass-transition temperature to form a preform; (2) adding a matrix resin that can dissolve the tackifier and co-curing the tackifier and matrix resin to form a composite. The resulting composites are useful in structural applications.

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Derwent Publications, Ltd., Japan, A 5031 839, Tonen Corp., 9 Feb. 1993.

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