Production of anti-static thermoplastics films

Details Production of anti-static thermoplastics films Production of anti-static thermoplastics films

1980-10-15

1983-02-01

Lawrence, Evan K.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

264134, 264171, 2642101, B29D 702, B29D 724

Patent

active

043714897

ABSTRACT:
A process for producing an oriented thermoplastics film, e.g. a polyethylene terephthalate film, having an anti-static layer in which the film is oriented by stretching in at least one direction, and preferably biaxially oriented by stretching in two mutually perpendicular directions, and a coating composition comprising (i) an acrylic or methacrylic copolymer, which is preferably cross-linkable and (ii) an aqueous solution of at least one partially neutralized acidic phosphate ester is applied before the commencement of or during the molecular orientation.

REFERENCES:
patent: 3544462 (1970-12-01), Finch et al.
patent: 3819773 (1974-06-01), Pears
patent: 4233074 (1980-11-01), Dodwell et al.
Research Disclosure, Jul. 1974, pp. 32-33, disclosure No. 12346.
Research Disclosure, Nov. 1974, pp. 32-33, disclosure No. 12737.
Research Disclosure, Jan. 1978, p. 26, disclosure No. 16545.

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