Method for preparing preforms for molding processes

Details Method for preparing preforms for molding processes Method for preparing preforms for molding processes

1995-12-14

1997-01-14

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428262, 428413, 428902, B32B 300

Patent

active

055937586

ABSTRACT:
Preforms for molding processes are prepared by applying an aqueous dispersion of a tackifier onto one or more reinforcement fibers, (2) drying the coated reinforcement fibers to remove the water present and (3) forming one or more of the coated reinforcement fibers into a predetermined shape. The preforms comprise reinforcement fibers having a substantially uniformly distributed tackifier on the surface thereof in the form of a discontinuous film coating.

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