Interdraw pretreatment for polyester film

Details Interdraw pretreatment for polyester film Interdraw pretreatment for polyester film

1997-10-30

2000-09-12

Chen, Vivian

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428214, 428215, 428336, 428339, 428353, 428355R, 4284752, 4284782, 428480, 428910, 427171, 427172, 427173, 427331, 4274071, 4274125, 427414, 528293, 528294, 528295, B32B 2708, B32B 2718, B32B 2720, B32B 2736

Patent

active

061175323

ABSTRACT:
An oriented polyester film coated on at least one surface with a coating that improves its adhesion to gelatin is disclosed. The dry coating contains one or more sulfopolyesters; one or more tetrablock copolymer resins; and one or more non-volatile polyamines. Other ingredients, such as particulate materials and surfactants, may be present in the coating. The coating is preferably applied at the interdraw stage.

REFERENCES:
patent: 5391429 (1995-02-01), Otani et al.
patent: 5453326 (1995-09-01), Siddiqui
patent: 5567475 (1996-10-01), Hazen et al.
patent: 5770301 (1998-06-01), Murai et al.

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