Method for improving the surface of plastic materials

Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion

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2642888, B29C 1702, B29C 2500

Patent

active

042474965

ABSTRACT:
The present invention relates to a method for improving the surface of plastic materials, particularly plastic films. The new method comprises stretching the film at least in one direction during or after irradiation with the ultra-violet light.

REFERENCES:
patent: 2877500 (1959-03-01), Rainer et al.
patent: 3126680 (1964-03-01), Baird, Jr. et al.
patent: 3526683 (1970-09-01), Heslop et al.
patent: 3773870 (1973-11-01), Spillers
patent: 3872194 (1975-03-01), Lowry et al.
patent: 3886056 (1975-05-01), Kitamaru et al.

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