Nanodiamond-containing check film for transfer assist blade applications
AssigneeXerox Corporation
InventorsJin Wu, Jonathan H. Herko, John J. Wilbert, Kyle B. Tallman
Life of this patent
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Abstract
A transfer assist blade including a plurality of layers, one of the layers being a check film layer including a thermoplastic layer and a plurality of nanodiamonds.
Claims19
A transfer assist member comprising a plurality of layers, one of said layers being a check film layer comprised of a nanodiamond-containing thermoplastic overcoat layer on a polymer layer, wherein:
- the overcoat layer further includes a conductive component of carbon black, graphite, metal oxide, polyaniline, polythiophene, polypyrrole, or mixtures thereof, silica, and plasticizer;
- and
- said thermoplastic is a polycarbonate, a polyester, or mixtures thereof, and said polymer layer is comprised of a polyethylene terephthalate or a polyethylene naphthalate.
(canceled)
A method for forming a transfer assist member, comprising:
- forming a thermoplastic overcoat layer mixture using a method comprising mixing a polycarbonate, a polyester, a carbon black, a plurality of nanodiamonds, and a plasticizer with a solvent;
- filtering the overcoat layer mixture to obtain a final dispersion;
- coating a polymer layer substrate with the final dispersion;
- and
- curing the final dispersion to remove the solvent and to form the overcoat layer including a conductive component of carbon black, graphite, metal oxide, polyaniline, polythiophene, polypyrrole, or mixtures thereof, silica, and plasticizer and to form the thermoplastic, wherein the thermoplastic is a polycarbonate, a polyester, or mixtures thereof, and said polymer layer substrate comprises a polyethylene terephthalate or a polyethylene naphthalate.
A xerographic process for providing substantially uniform contact between a copy substrate and a toner developed image located on an imaging member comprising a toner transfer flexible assist member that comprises a plurality of adhesive bonded layers, wherein, the xerographic process comprises:
- moving said flexible transfer assist member from a non-operative position spaced from the imaging member to an operative position in contact with the copy substrate on the imaging member;
- applying pressure against the copy substrate in a direction toward the imaging member, wherein:
- said plurality of adhesive bonded layers comprise a wear resistant layer and a check film layer;
- the check film layer comprises a thermoplastic layer present on a polymer substrate of a polyalkylene terephthalate, a polyester, or mixtures thereof, wherein:
- the thermoplastic is formed using a method comprising:
- forming a thermoplastic overcoat layer mixture using a method comprising mixing a polycarbonate, a polyester, a carbon black, a plurality of nanodiamonds, and a plasticizer with a solvent;
- filtering the overcoat layer mixture to obtain a final dispersion;
- coating a polymer layer substrate with the final dispersion;
- and
- curing the final dispersion to remove the solvent and to form the overcoat layer including a conductive component of carbon black, graphite, metal oxide, polyaniline, polythiophene, polypyrrole, or mixtures thereof, silica, and plasticizer and to form the thermoplastic, wherein the thermoplastic is a polycarbonate, a polyester, or mixtures thereof, and said polymer layer substrate comprises a polyethylene terephthalate or a polyethylene naphthalate;
- said thermoplastic is selected from the group consisting of a polycarbonate, a polyester, a polysulfone, a polyamide, a polyimide, a polyamideimide, a polyetherimide, a polyaryl ether, a polyether ether ketone, a polyphenyl sulfide and mixtures thereof, and said thermoplastic layer further comprises [a] the plurality of nanodiamonds and at least one of a conductive filler, silica, a plasticizer, a fluoropolymer, a polysiloxane and mixtures thereof.
Dependencies are inferred from the claim text.