Process for preparing a resin matrix composite using a preform

Details Process for preparing a resin matrix composite using a preform Process for preparing a resin matrix composite using a preform

1996-08-23

1998-06-16

Crispino, Richard

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264137, 2643284, B29B 1112, B29C 4502

Patent

active

057665346

ABSTRACT:
A process for preparing a matrix resin composite contains the steps of: (1) preparing a preform containing multiple layer of reinforcing material and a crosslinkable tackifier by (a) applying the tackifier onto the reinforcing material, (b) compressing the layers of reinforcing material and partially crosslinking the tackifier under a pressure sufficient to compact the tackified, reinforcing layers to a volume which is less than their volume in the finished composite part and in a manner such that at least one surface of each of the reinforcing layers is or will be, during partially crosslinking, in direct contact with the tackifier, and (2) contacting the preform with a matrix resin.

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