Polyimide-amic acid toner compositions
AssigneeXerox Corporation
InventorsGuerino G. Sacripante, Walter Mychajlowskij, J. Stephen Kittelberger
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Abstract
A toner composition comprised of a pigment and a polyimideamic acid resin.
Claims33
A toner composition consisting essentially of a pigment and a polyimide-amic acid resin.
A toner composition comprised of a pigment and a polyimide-amic acid resin wherein the polyimide-amic acid resin is comprised of at least one imide moiety, and equal amounts of at least one carboxylic acid moiety and at least one amide moiety;
- and wherein said polyimide-amic acid has a number average molecular weight M.sub.n of from about 1,500 to about 20,000, a weight average molecular weight M.sub.w of from about 2,500 to about 100,000, and a polydispersity of from about 1.5 to about 10.
A toner composition consisting essentially of a pigment and a polyimide-amic acid resin wherein the polyimide-amic acid resin consists essentially of at least one imide moiety, and equal amounts of at least one carboxylic acid moiety and at least one amide moiety;
- and wherein said polyimide-amic acid has a number average molecular weight M.sub.n of from about 4,000 grams per mol to about 6,000 grams per mol, a weight average molecular weight M.sub.w of from about 10,000 grams per mol to about 150,000 grams per mol, and wherein the ratio of weight average molecular weight to number average molecular weight M.sub.w /M.sub.n is from about 1.5 to about 3.
A toner composition consisting of a pigment and a polyimide-amic acid resin.
Dependencies are inferred from the claim text.