LCP films having roughened surface and process therefor

Details LCP films having roughened surface and process therefor LCP films having roughened surface and process therefor

1997-05-16

1998-12-01

Watkins, III, William P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428 1, 428480, 428220, 428338, 428910, C09K 1902

Patent

active

058435620

ABSTRACT:
A film having a roughened surface. The film is made of an LCP and has surface recessions covering at least about 25% of the area of the surface. The film is made by pressing an embossing means against the film surface at a temperature about 15.degree.-75.degree. C. below the melting point of the polymer. The embossed film has improved resistance to abrasion.

REFERENCES:
patent: 4053208 (1977-10-01), Kato et al.
patent: 4803235 (1989-02-01), Okada
patent: 4942095 (1990-07-01), Buchert et al.
patent: 4963402 (1990-10-01), Wong
patent: 4997724 (1991-03-01), Suzuki et al.
patent: 5210107 (1993-05-01), Jester et al.
patent: 5217762 (1993-06-01), Frank
Translation of JP-A 4-166323 Laid Open Patent Application, Jun. 12, 1992.
Abstract of JP-A 2-052738 Dated Feb. 22, 1990.
A Database WPI, Section Ch, Week 9230, Derwent Publications Ltd. London, GB: AN 92-246449 & JA-A-4 166 323.
(Nitika Ltd.), Jun. 12, 1992 & Patent Abstracts of Japan, vol. 16, No. 467 (M-1317) Sep. 29, 1992 & JP-A-04 166 323.

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