Polyester film primed with phosphorus-containing polyester

Details Polyester film primed with phosphorus-containing polyester Polyester film primed with phosphorus-containing polyester

1984-03-16

1985-05-07

Griffin, Ronald W.

Stock material or miscellaneous articles

Composite

Of polyester

528287, B32B 2706, B32B 2736

Patent

active

045158630

ABSTRACT:
A primer coated oriented polyester film is disclosed wherein the primer coating comprises a polyester comprising a branched chain phosphorus-containing polymer which is the reaction product of at least one dicarboxylic reactant, at least one diol or polyoxyalkylene glycol and a phosphorus acid reactant. Preferred species include isophthalic acid as the dicarboxylic reactant, diethylene glycol as the diol or polyoxyalkylene glycol and phosphoric acid as the phosphorus acid reactant. The polyester primer coating may be applied to the polyester film before or during the stretching operations. The resultant primed polyester film is found to provide excellent adhesion to many aqueous or organic solvent based printing inks subsequently applied thereto.

REFERENCES:
patent: 2627088 (1953-02-01), Alles et al.
patent: 2698240 (1954-12-01), Alles et al.
patent: 4073993 (1978-02-01), Lark
patent: 4098741 (1978-07-01), Login
patent: 4214035 (1980-07-01), Heberger
patent: 4215035 (1980-07-01), Memering et al.
patent: 4252885 (1981-02-01), McGrail et al.
patent: 4259222 (1981-03-01), Login et al.
patent: 4304851 (1981-12-01), McGrail et al.
patent: 4373002 (1983-02-01), Petersen
patent: 4394442 (1983-07-01), Miller
patent: 4439479 (1984-03-01), Kanai et al.

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