Composites having improved surface properties

Details Composites having improved surface properties Composites having improved surface properties

1992-10-15

1993-12-14

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Composite

Of polyimide

4284744, B32B 2700, B32B 2734

Patent

active

052701182

ABSTRACT:
Polymeric composite materials having a decreasing concentration gradient of polymer matrix from the material's surface to the material's interior and a process for making such materials, 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: 4963304 (1990-10-01), Im et al.
patent: 5000898 (1991-03-01), Gabriel et al.
patent: 5011643 (1991-04-01), Yang

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