Overcoated migration imaging members

Abstract

Disclosed is a migration imaging member comprising (1) a substrate, (2) a softenable layer situated on the substrate, said softenable layer comprising a softenable material and a photosensitive migration marking material, and (3) an overcoating layer situated on the surface of the softenable layer spaced from the substrate, said overcoating layer comprising a material selected from the group consisting of: (a) polyacrylic acids, (b) poly (hydroxyalkyl methacrylates), (c) poly (hydroxyalkylacrylates), (d) vinyl alcohol-vinyl acetate copolymers, (e) vinyl alcohol-vinyl butyral copolymers, (f) alkyl celluloses, (g) aryl celluloses, (h) hydroxyalkyl cellulose acrylates, (i) hydroxyaryl cellulose acrylates, (j) hydroxyalkyl cellulose methacrylates, (k) hydroxyaryl cellulose methacrylates, (l) cellulose-acrylamide adducts, (m) poly (vinyl butyrals), (n) cyanoethylated celluloses, (o) cellulose acetate hydrogen phthalates, (p) hydroxypropylmethyl cellulose phthalates, (q) hydroxypropyl methyl cellulose succinates, (r) cellulose triacetates, (s) vinyl pyrrolidone-vinyl acetate copolymers, (t) vinyl chloride-vinylacetate-vinyl alcohol terpolymers, (u) ethylene-maleic anhydride copolymers, (v) styrene-maleic anhydride copolymers, (w) styrene-allyl alcohol copolymers, (x) poly(4-vinylpyridines), (y) polyester latexes, (z) vinyl chloride latexes, (aa) ethylene-vinyl chloride copolymer emulsions, (bb) poly vinyl acetate homopolymer emulsions, (cc) carboxylated vinyl acetate emulsion resins, (dd) vinyl acetate copolymer latexes, (ee) ethylene-vinyl acetate copolymer emulsions, (ff) acrylic-vinyl acetate copolymer emulsions, (gg) vinyl acrylic terpolymer latexes, (hh) acrylic emulsion latexes, (ii) polystyrene latexes, (jj) styrene-butadiene latexes, (kk) butadiene-acrylonitrile latexes, (ll) butadiene-acrylonitrile-styrene terpolymer latexes, (mm) propylene-acrylic acid copolymers, (nn) propylene-ethylene-acrylic acid terpolymers, (oo) poly (vinyl methyl ketones), (pp) poly (trimethyl hexamethylene) terephthalamides, (qq) chlorinated polypropylenes, (rr) poly (hexamethylene sebacates), (ss) poly(ethylene succinates), (tt) poly (caprolactams), (uu) poly (hexamethylene adipamides), (w) poly (hexamethylene nonaneamides), (ww) poly (hexamethylene sebacamides), (xx) poly (hexamethylene dodecane diamides), (yy) poly (undecanoamides), (zz) poly (lauryllactams), (aaa) ethylene-methacrylic acid ionomers, and (bbb) mixtures thereof.

Dependencies are inferred from the claim text.