Surface-treated polyester film

Details Surface-treated polyester film Surface-treated polyester film

1992-01-02

1994-01-25

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428413, 4284231, 4284237, 428480, 428910, 428922, B32B 2736, B32B 2740

Patent

active

052814726

ABSTRACT:
A polyester film having on at least one side, a primer layer comprising a crosslinked product between (a) a polyurethane having (0.22-33).times.10.sup.-4 gram equivalent/gram of resin, of at least one functional group selected from a carboxyl group and a salt group derived therefrom and (b) a polyepoxy compound, said crosslinked product containing (c) an antistatic agent composed mainly of a compound represented by the following general formula (I) ##STR1## wherein R represents an alkyl group of 4-20 carbon atoms, and M.sub.1 and M.sub.2 each represent an alkali metal ion, an ammonium group or a tertiary amino group, as well as a process for producing said film. The film is useful as a base material for highly processed polyester film products such as magnetic tape, floppy disc, X-ray photographic film, telephone card, OHP, base for printing plate and the like.

REFERENCES:
patent: 4755337 (1988-07-01), Takahashi et al.

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