Molding material for thermoplastic composites

Details Molding material for thermoplastic composites Molding material for thermoplastic composites

1989-10-20

1999-11-23

Weisberger, Rick

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428357, 428359, 428369, 428370, 428371, 428373, 156166, 156196, D02G 300

Patent

active

059897104

ABSTRACT:
A molding material for thermoplastic composites is provided. The molding material is prepared from a commingled yarn containing continuous thermoplastic fibers and continuous reinforcing fibers, in a form of threads, textile fabrics, knitted fabrics, or multiaxial laminated fabrics, wherein the fiber commingling parameter of said continuous reinforcing fibers in said commingled yarn is 20% or more, and wherein the orientation index after heat treatment of said continuous thermoplastic fibers is 0.3 or more, and/or the thermal shrinkage ratio of said continuous thermoplastic fibers is 15% or less.

REFERENCES:
patent: 4037011 (1977-07-01), Hattori et al.
patent: 4800113 (1989-01-01), O'Connor

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