Polyhydrazonbasierende Ladungstransportverbindungen

Polyhydrazonbasierende Ladungstransportverbindungen

Poly(hydrazone)-based charge transport materials

An improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material comprising a polymer having the formula where X₁ and X₂ are, each independently, a bond or a linking group; Y comprises a bond or an arylamine group; Z comprises a bond, O, S, or NR4; R₁ and R₄ comprise, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; R₂ and R₃ comprise, each independently, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; and n is a distribution of integers between 1 and 100,000 with an average value of greater than one; and (b) a charge generating compound. Corresponding electrophotographic apparatuses, imaging methods, and methods of forming the charge transport material ...

POL(YHYDRAZONE)-BASED CHARGE TRANSPORTING MATERIAL USEFUL FOR ORGANIC PHOTOCONDUCTOR FOR ELECTROPHOTOGRAPHY, AND PREPARATION METHOD AND USE THEREOF

PURPOSE: Provided is an organic photoconductor, which uses a poly(hydrazone)-based charge transporting material having excellent electrostatic properties, and thus is useful for electrophotographic imaging devices and processes. CONSTITUTION: The organic photoconductor comprises a conductive substrate and a photoconductive element disposed on the conductive substrate, wherein the photoconductive element comprises: (a) a charge transporting material comprising a polymer represented by the following formula 1, and (b) a charge generating compound. In the formula 1, each of X1 and X2 independently represents a bond or a linking group; Y is a bond or arylamine group; Z is a bond, O, S or NR4; each of R1 and R4 independently represents H, an alkyl, alkenyl, alkynyl, aromatic group or a heterocyclic group; each of R2 and R3 independently represents an alkyl, alkenyl, alkynyl, aromatic group or a heterocyclic group; and n represents a distribution of integers ranging from 1 to 100,000, wherein ...

ORGANOPHOTORECEPTOR, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD AND CHARGE TRANSPORT MATERIAL

PROBLEM TO BE SOLVED: To provide an organophotoreceptor having excellent electrostatic property, and also to provide a charge transport material capable of reducing extraction by a liquid carrier and reducing the need of a polymeric binder. SOLUTION: The organophotoreceptor contains an electroconductive substrate and photoconductive elements located on the electroconductive substrate. The photoconductive element is an organophotoreceptor, and comprises (a) the charge transport material containing a polymer molecule represented by formula 1 and (b) a charge generating compound. In formula 1, X1 and X2 are, independently, a bond or a linking group; Y is a bond or contains an arylamine group; Z is a bond, O, S or NR4; R1 and R4 are, independently, H, an alkyl, an alkenyl, an alkynyl, an aromatic or a heterocyclic group; R2 and R3 are, independently, an alkyl, an alkenyl, an alkynyl, an aromatic or a heterocyclic group; and n is an integer distribution of 1-100,000 having an average of 1 or ...

Poly(hydrazone)-based charge transport materials