Polyester film having low electrostatic and high adhesion proper

Details Polyester film having low electrostatic and high adhesion proper Polyester film having low electrostatic and high adhesion proper

1997-03-17

1998-09-22

Mosley, Terressa

Stock material or miscellaneous articles

Composite

Of polyester

528176, B32B 2706

Patent

active

058111972

ABSTRACT:
A polyester film having low electrostatic and high adhesion properties and having formed on at least one side thereof a primer layer which has a softening point of 100.degree. to 170.degree. C. and essentially consists of (1) water-dispersible polyester resin containing, as a copolymer component, a sulfonic acid metal salt group-containing compound in an amount of 0.01 mol % or more and less than 0.5 mol % of the whole dicarboxylic acid compound (component A) and (2) polyethylene oxide-monoalkyl ether or a mixture of the same and a polyethylene oxide-polypropylene oxide block copolymer (component B). This adherent polyester film has low electrostatic properties and high heat resistance and is useful as a base film for a magnetic recording medium.

REFERENCES:
patent: 4605591 (1986-08-01), Nose et al.

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