摘要:
A toner composition comprised of a core comprised of a polymer resin or resins, color pigment, dye, or mixtures thereof, and thereover a coating comprised of an alkyl cellulose.
摘要:
A photoconductive imaging member comprised of a photogenerating layer, and a charge transport layer comprised of the N,N-bis(biarylyl)aniline charge transport polymers of the formula ##STR1## wherein A and B are independently selected from bifunctional linkages; Z is alkylenedioxy, arylenedioxy, or substituted derivatives thereof; R and R' are alkyl, aryl, alkoxy, aryloxy, or halogen; x and y are mole fractions wherein x is greater than 0 and the sum of x and y is equal to 1.0; a and b are the numbers 0, 1 or 2; and n represents the number of monomer units.
摘要:
An in situ process for the preparation of encapsulated toner compositions which comprises dispersing a mixture of a cyclic olefin or cyclic olefins, pigments, dyes or mixtures thereof in an aqueous medium containing a surfactant thereby forming a stable microdroplet suspension, and thereafter adding a catalyst to effect a metathesis polymerization of the cyclic olefin or olefins to form the encapsulated toner resin.
摘要:
An encapsulated toner composition comprised of a core comprised of polymer resins, and colorants, which core is encapsulated within a polymer shell containing a siloxane component.
摘要:
An encapsulated toner composition comprised of a core comprised of a resin binder formed by the hydrosilylation reaction of an olefin, pigment, dyes, or mixtures thereof; and a polymeric shell.
摘要:
Disclosed is an imaging member comprised of a photoconductive layer, and a protective electron transport polymer overcoating of the formula ##STR1## wherein A is a trivalent linkage; B is a functional group such as ester, carbonate, or carbamate; and R is a bivalent linkage.
摘要:
Disclosed is an improved layered photoresponsive imaging member comprised of a photogenerating layer, and in contact therewith an electron transporting layer comprised of compounds selected from the group consisting of anthraquinodimethanes, and anthrone derivatives of the following formulas dispersed in an inactive resinous binder: ##STR1## wherein A and B are independently selected from the group consisiting of CN and COOR, wherein R is an alkyl group; X and Y are independently selected from the group consisting of alkyl, aryl, halide, COOR, CN, hydroxy, and nitro; m is a number of from zero to about 3; and n is a number of from zero to about 3.
摘要:
An encapsulated toner composition comprised of a core comprised of a polymer binder and pigment, encapsulated in a shell derived from the polycondensation of a polyisocyanate and amino acid with an amide or hydroxy functionality.
摘要:
A photoconductive imaging member comprised of a photogenerating layer; and a charge transport layer comprised of diaryl biarylylamine compounds of Formula (I) wherein Ar and Ar' are independently selected from the group consisting of phenyl, naphthyl, substituted naphthyl, and substituted phenyl; R and R' are electron donating substituents; and m and n represent the numbers 0, 1 or 2.
摘要:
Disclosed is an imaging member comprised of a supporting substrate, a hole transport layer comprised of an arylamine hole transporting substance dispersed in an inactive resinous binder, a photogenerating layer comprised of a photogenerating pigment optionally dispersed in a resinous binder, and as a protective topcoating an electron transporting layer compound of the following formula dispersed in a resinous binder ##STR1## where X is cyano or alkoxycarbonyl groups, A and B are electron withdrawing groups, m is a number of from 0 to 2, n is the number 0 or 1, and W is an electron withdrawing group selected from the groups consisting of acyl, alkoxycarbonyl, alkylaminocarbonyl, and derivatives thereof.