Film base material

Details Film base material Film base material

1974-05-16

1976-09-28

Husack, Ralph

Stock material or miscellaneous articles

Composite

Of epoxy ether

96 87R, 260 47EP, 427 40, 427407, 427414, 428474, 428480, G03C 180, B32B 2736

Patent

active

039833011

ABSTRACT:
The present invention relates to film base material. A film of synthetic linear polyester has superimposed thereon a phenoxy resin of the formula ##SPC1##
Wherein each of R.sub.1 to R.sub.7 is a hydrogen atom or a lower alkyl or cyclohexyl group, R.sub.8 is a hydrogen atom or an acyl radical of the formula ##EQU1## wherein m is 0 to 6, at least one of X, Y and Z is a chlorine or bromine atom or a cyano group, the other of X, Y and Z are each hydrogen atoms or bromine or chlorine atoms, n is at least 50 and from 50 to 100 % of the R.sub.8 groups are a said acyl residue. An improved adhesion between the film base material of this composition and a hydrophilic layer coated thereon is achieved.

REFERENCES:
patent: 3549406 (1970-12-01), Ambusk
patent: 3674531 (1972-07-01), Shephard et al.
patent: 3701680 (1972-10-01), Lee et al.
patent: 3702258 (1972-11-01), Gibbons et al.
patent: 3738973 (1973-06-01), Augarten et al.
patent: 3833405 (1974-09-01), Lee et al.

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