The Dow Chemical Company

Phil H Cook

William Davis

Warren D White

Martin Wai

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.

Process for resin transfer molding

Process for resin transfer molding and preform used in the process

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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Cheshire, CT, United States of America

Phil H Cook