摘要:
A liquid developer comprised of a nonpolar liquid, resin, optional colorant, a charge director, and an optional charge control agent, and wherein the charge director is comprised of a mixture of phosphoric acid esters I, II and III, and IV a nonpolar liquid soluble organic aluminum complex of the formulas
hydrates thereof or mixtures thereof, wherein R 1 is selected from the group consisting of hydrogen and alkyl, and n represents a number of from about 1 to about 6.
摘要:
A positively charged liquid developer comprised of a nonpolar liquid, thermoplastic resin particles, pigment, a charge director, and a charge control agent comprised of Rhodamine Y. The developer is suitable for use in electrophotographic imaging and printing processes.
摘要:
A positively charged liquid developer comprised of a nonpolar liquid, thermoplastic resin particles, pigment, a charge director, and a charge control agent comprised of a PEO:PPO, preferably in a solid form. The developer is suitable for use in electrographic imaging processes.
摘要:
A negatively charged liquid developer comprised of a nonpolar liquid, a mixture of a first and a second thermoplastic resin with dissimilar melt indexes, a colorant, a charge director, optional charge adjuvent, a charge control agent comprised of a component of the alternative formulas or wherein R 1 is selected from the group consisting of hydrogen and alkyl, and n is 0 (zero), 1, 2, 3, or 4, and wherein the melt index of the first resin is from about 50 to about 800 grams, and the melt index of the second resin from about 850 to about 2,500 grams.
摘要:
A positively charged liquid developer comprised of a nonpolar liquid, thermoplastic resin particles, colorant, a charge director, and a charge control agent comprised of a cyclodextrin or a cyclodextrin derivative containing one or more organic basic amino groups.