Method of making composites having improved surface properties

Details Method of making composites having improved surface properties Method of making composites having improved surface properties

1990-11-28

1993-01-12

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

264184, 26421116, 26421119, 264232, 264344, B29C 7100, D01F 812, D01F 816, D01F 818

Patent

active

051788128

ABSTRACT:
Polymeric composite materials having a decreasing concentration gradient of polymer matrix from the material's surface to the material's interior. The composite is produced by a process whereby polymer matrix is extracted from the interior of the material in such a manner that the matrix concentration at the material's surface increases.

REFERENCES:
patent: 3629026 (1971-12-01), Isham et al.
patent: 3770539 (1973-11-01), Bullock
patent: 3928110 (1975-12-01), Arconti et al.
patent: 4228218 (1980-10-01), Takayanagi
patent: 4357389 (1982-11-01), Satoh et al.
patent: 4810735 (1989-03-01), Uy
patent: 4963304 (1990-10-01), Im et al.
patent: 5011643 (1991-04-01), Yang

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