Drawing layer for plastic films

Details Drawing layer for plastic films Drawing layer for plastic films

1977-12-15

1980-05-13

Ives, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

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

428145, 428482, 428483, 428412, 428510, 428575, B32B 100, B32B 300

Patent

active

042029236

ABSTRACT:
This invention relates to an improvement in a drawing layer for a plastic film, in particular for a polyester film, said drawing layer being adherent to the film and comprising a cellulose ester crosslinked by a formaldehyde resin, and including a matt-finishing agent and/or a pigment, the improvement which comprises that the drawing layer additionally contains at least one copolymer containing maleic anhydride units.

REFERENCES:
patent: 3115420 (1963-12-01), Centa et al.
patent: 3928697 (1975-12-01), Mallinson et al.

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