Photoconductive recording material with special outermost layer
First Claim
1. A photoconductive recording material which incorporates in an outermost layer a siloxane-copolymer including at least one polysiloxane block that is copolymerized with aromatic carbonate units, wherein the polysiloxane block(s) consist(s) of 5 to 200 chemically bonded diorgano siloxy units in which the organic substituents are selected from the group consisting of an alkyl, an aralkyl, an alkaryl and an aryl group, and said block(s) is (are) present in an amount by weight in the range of 0.3% to 6% with respect to the total weight of said copolymer, and wherein the aromatic carbonate part of said copolymer is present in the range of 94 to 99.7% by weight of said copolymer, and in said part the aromatic carbonate units correspond to the following general formula (I):
- ##STR14## in which;
X represents S, SO2, ##STR15## each of R1, R2, R3, R4, R7 and R8 (same or different) represents hydrogen, halogen, an alkyl group or an aryl group, and each of R5 and R6 (same or different) represents hydrogen, an alkyl group, an aryl group or together represent the necessary atoms to close a cycloaliphatic ring.
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Accused Products
Abstract
Photoconductive recording material which incorporates in an outermost layer a siloxane-copolymer including at least one polysiloxane block that is copolymerized with aromatic carbonate units, wherein the polysiloxane block(s) consist(s) of 5 to 200 chemically bonded diorgano siloxy units in which the organic substituents are selected from the group consisting of an alkyl, an aralkyl, an alkaryl and an aryl group, and said block(s) is (are) present in an amount by weight in the range of 0.3% to 6% with respect to the total weight of said copolymer.
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Citations
13 Claims
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1. A photoconductive recording material which incorporates in an outermost layer a siloxane-copolymer including at least one polysiloxane block that is copolymerized with aromatic carbonate units, wherein the polysiloxane block(s) consist(s) of 5 to 200 chemically bonded diorgano siloxy units in which the organic substituents are selected from the group consisting of an alkyl, an aralkyl, an alkaryl and an aryl group, and said block(s) is (are) present in an amount by weight in the range of 0.3% to 6% with respect to the total weight of said copolymer, and wherein the aromatic carbonate part of said copolymer is present in the range of 94 to 99.7% by weight of said copolymer, and in said part the aromatic carbonate units correspond to the following general formula (I):
- ##STR14## in which;
X represents S, SO2, ##STR15## each of R1, R2, R3, R4, R7 and R8 (same or different) represents hydrogen, halogen, an alkyl group or an aryl group, and each of R5 and R6 (same or different) represents hydrogen, an alkyl group, an aryl group or together represent the necessary atoms to close a cycloaliphatic ring. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- ##STR14## in which;
Specification