# US 2013/0153833 A1 · Poly(amic acid amideimide) phosphite intermediate transfer members > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0153833 A1 - Document ID: US20130153833A1 - Status: Published application - Kind: A1 - Application number: 13/329,289 - Filed: 2011-12-18 - Published: 2013-06-20 - Earliest claimed: 2011-12-18 - Assignees: Xerox Corporation - Inventors: Jin Wu - Web page: https://patentgrep.com/patent/US20130153833A1 ## CPC - C08L 79/08: Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors - C08G 73/14: Polyamide-imides - C08K 3/04: Carbon - C08K 5/524: Esters of phosphorous acids, e.g. of H3PO3 - C08L 83/04: Polysiloxanes - C09D 179/08: Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors - G03G 15/162: {details of the the intermediate support, e.g. chemical composition} - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) - G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY ## Abstract An intermediate transfer member that includes a mixture of a poly(amic acid amideimide), a phosphite, an optional polymer, an optional conductive filler component and an optional release layer. ## Claims ### Claim 1 An intermediate transfer member consisting of a mixture of a conductive filler, a poly(amideimide) prepared from a (poly(amic acid amideimide) and a phosphite present in an amount of from about 0.01 to about 15 weight percent of total solids. ### Claim 2 (depends on 1) The intermediate transfer member in accordance with claim 1 wherein said poly(amic acid amideimide) possesses a number average molecular weight of from about 2,000 to about 100,000, and weight average molecular weight of from about 4,000 to about 200,000 as determined by GPC analysis. ### Claim 3 (depends on 1) The intermediate transfer member in accordance with claim 1 wherein said poly(amic acid amideimide) is represented by the following formulas/structures where m and n independently represent the number of repeating segments in the polymer chain, and each R is an aryl group. ### Claim 4 (depends on 3) The intermediate transfer member in accordance with claim 3 wherein n is from about 20 to about 1,000, m is from about 20 to about 1,000, and R is an aryl group containing from about 6 to about 36 carbon atoms. ### Claim 5 (depends on 3) The intermediate transfer member in accordance with claim 3 wherein m is from about 325 to about 675, and n is from about 325 to about 675. ### Claim 6 (depends on 3) The intermediate transfer member in accordance with claim 3 wherein R is selected from a group consisting of phenyl anthryl, naphthyl, those groups represented by the following formulas/structures and mixtures thereof. ### Claim 7 (depends on 1) The intermediate transfer member in accordance with claim 1 wherein said poly(amic acid amideimide) polymer is a copolymer as represented by the following formulas/structures wherein m and n represent the number of repeating segments. ### Claim 8 (depends on 7) The intermediate transfer member in accordance with claim 7 where m is a number of from about 100 to about 1,000; and n is a number of from about 150 to about 500. ### Claim 9 (depends on 19) The intermediate transfer member in accordance with claim 19 wherein said phosphite present in an amount of about 2 weight percent is tributyl phosphite. ### Claim 10 (depends on 1) The intermediate transfer member in accordance with claim 1 wherein said phosphite is selected from the group consisting of alkyl phosphites, aryl phosphites, diaryl phosphites, triaryl phosphites, alkyl diaryl phosphites, dialkyl aryl phosphites, and mixtures thereof, each present in an amount of from about 0.1 to about 10 weight percent based on the total solids. ### Claim 11 (depends on 1) The intermediate transfer member in accordance with claim 1 wherein said phosphite is tributyl phosphite present in an amount of from about 1 to about 5 weight percent based on the total solids. ### Claim 12 (depends on 1) The intermediate transfer member in accordance with claim 1 wherein said phosphite is dibenzyl phosphite, dibutyl phosphite, diethyl phosphite, diisobutyl phosphite, dimethyl phosphite, diphenyl phosphite, triethyl phosphite, trihexyl phosphite, triisodecyl phosphite, triisopropyl phosphite, trimethylpropane phosphite, trimethyl phosphite, trioctyl phosphite, trioleyl phosphite, triphenyl phosphite, tris(2,4-di-tert-butylphenyl) phosphite, tris(2-ethylhexyl) phosphite, tristearyl phosphite, tri-o-tolyl phosphite, or tri-p-tolyl phosphite, each present in an amount of from about 1 to about 5 weight percent based on the total solids. ### Claim 13 (depends on 1) The intermediate transfer member in accordance with claim 1 wherein said poly(amic acid amideimide) is present in an amount of from about 70 to about 95 weight percent, said phosphite is present in an amount of from about 0.1 to about 10 weight percent, and wherein said conductive filter is carbon black present in an amount of from about 1 to about 30 weight percent of solids. ### Claim 14 (depends on 1) The intermediate transfer member in accordance with claim 1 with a break strength of from about 100 to about 250 Mega Pascals. ### Claim 15 (depends on 16) The intermediate transfer member in accordance with claim 16 wherein said polymer is present and is selected from the group consisting of a fluoridated ethylene propylene copolymer, a polytetrafluoroethylene, a polyfluoroalkoxy polytetrafluoroethylene, a fluorosilicone, a terpolymer of vinylidene fluoride, hexafluoropropylene, and tetrafluoroethylene and wherein said phosphite is an alkyl phosphite. ### Claim 16 An intermediate transfer member consisting of a photoconductor and said member, wherein a xerographic developed toner image is transferred from said photoconductor to said intermediate transfer member and which member consists of a layer of a mixture of a poly(amideimide) prepared from a poly(amic acid-co-amideimide) copolymer, a phosphite, and a conductive filter component, and wherein the poly(amic acid-co-amideimide) copolymer is encompassed by the following formulas/structures where m and n independently represent the number of repeating segments, where m is a number of from about 100 to about 1,000, and n is a number of from about 100 to about 1,000 and wherein said phosphite is selected from the group consisting of alkyl phosphites, aryl phosphites, diaryl phosphites, triaryl phosphites, alkyl diaryl phosphites, and dialkyl aryl phosphites, each present in an amount of from about 0.1 to about 10 weight percent based on the total solids and an optional polymer. ### Claim 17 (depends on 16) The intermediate transfer member in accordance with claim 16 wherein m is a number of from about 275 to about 500, and n is a number of from about 275 to about 500, wherein the poly(amic acid-co-amideimide) copolymer has a number average molecular weight of from about 10,000 to about 50,000, and a weight average molecular of from about 20,000 to about 108,000 as determined by GPC analysis and a break strength of from 110 to about 150 Mega Pascals. ### Claim 18 (depends on 16) The intermediate transfer member in accordance with claim 16 wherein said polymer is present and is selected from the group consisting of a fluorinated ethylene propylene copolymer, a polytetrafluoroethylene, a polyfluoroalkoxy polytetrafluoroethylene, a fluorosilicone, a terpolymer of vinylidene fluoride, hexafluoropropylene, tetrafluoroethylene, and mixtures thereof. ### Claim 19 An intermediate transfer member consisting of a photoconductor and said member, wherein a xerographic developed toner image is transferred from said photoconductor to said intermediate transfer member and which member consists of a mixture of a phosphite, a poly(amideimide) prepared from a poly(amic acid-co-amideimide) copolymer, and a conductive carbon black component, which member possesses a break strength of from about 120 to about 200 Mega Pascals, and resists breaking when folded, and wherein the poly(amic acid-co-amideimide) copolymer is encompassed by the following formulas/structures wherein m is a number of from about 200 to about 400, and n is a number of from about 200 to about 400, and wherein said phosphite present in an amount from about 0.01 to about 15 weight percent of total solids is dibenzyl phosphite, dibutyl phosphite, tributyl phosphite, diethyl phosphite, diisobutyl phosphite, dimethyl phosphite, diphenyl phosphate, triethyl phosphite, trihexyl phosphite, triisodecyl phosphite, triisopropyl phosphite, trimethylpropane phosphite, trimethyl phosphite, trioctyl phosphite, trioleyl phosphite, triphenyl phosphite, tris(2,4-di-tert-butylphenyl) phosphite, tris(2-ethylhexyl) phosphite, tristearyl phosphite, tri-o-tolyl phosphite, or tri-p-tolyl phosphite. ### Claim 20 (depends on 19) The intermediate transfer member in accordance with claim 19 where said resistance to folding continues for from about 100 to about 500 repeated uses, and which member possesses a break strength of from about 125 to about 180 Mega Pascals and wherein said phosphite is tributyl phosphite present in an amount of from about 2 to about 5 weight percent based on total solids.