Polyester film

Details Polyester film Polyester film

1987-12-15

1989-10-24

Herbert, Thomas J.

Stock material or miscellaneous articles

Composite

Of polyester

428482, 430160, 430162, B32B 2708, B32B 2736

Patent

active

048761559

ABSTRACT:
A polyester film which is provided with a permanent, antistatic coating on one surface, which coating is obtained by treating the biaxially stretch-oriented and heat-set film with an aqueous dispersion, containing at least one copolyester containing sulfonate groups, and at least one salt derived from an amino acid or a protein hydrolysate. The material can be used in the production of diazo duplicating films.

REFERENCES:
patent: 3734874 (1973-05-01), Kibler et al.
patent: 4252885 (1981-02-01), McGrail et al.
patent: 4476189 (1984-10-01), Posey et al.

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