Process for resin transfer molding and preform used in the proce

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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264257, 428260, 428273, 428290, 428408, 428417, B29C 7048

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active

054277256

ABSTRACT:
An improved process to make composites contains the steps of: (1) partially curing a tackifier resin in contact with a substrate to form a shapeable preform; (2) adding a matrix resin and co-curing the tackifier and matrix resin to form a composite. The resulting composites are useful in structural applications.

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White et al., U.S. Ser. No. 08/077,466 (filed Jun. 15, 1993).

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