Xerox Corporation

Louis D Fratangelo

Arnold W Henry

Santokh Singh Badesha

George J Heeks

David H Pan

Clifford O Eddy

Samuel Kaplan

Robert M Ferguson

Che C Chow

William M Prest, Jr

Yu-hsing Chin

David J J Fraser

Joseph C Mammino

Dennis A Abramsohn

Alan Richard Kuntz

Patrick James Finn

Victor Berko-Boateng

David Battat

Gerald A Domoto

Rabin Moser

Donald S Sypula

Mark Steven Amico

Alexander N Klymachyov

Nicholas P Kladias

Robert S Pawlik

Edward C Hanzlik

Lieng-Huang Lee

James B Maliborski

Richard G Labombard

Johan Marien Van Der Werf

Peter Mhm Peeters

David Fraser

David J Fraser

Yu-Hsing Chin

John Connor

Peter Karran

Mark John Lillie

Peter MHM Peeters

Connor John

Johan M Van Der Werf

Mark J Lillie

An iso-thermalizing printer structure can be used to provide temperature uniformity across a width of a printer fuser roll or fuser belt. Various embodiments are contemplated, including a solid natural graphite shaft, a solid natural graphite core having a sleeve of metal such as aluminum, and other flexible and rigid structures which can comprise natural or synthetic graphite.

ISO-thermalizing graphite printer structure and method for using same

Disclosed is a fuser member comprising a substrate, a layer thereover comprising a polymer or an elastomer, and, on the layer, a coating including mercapto- and amino-functionalities comprising from about 0.05 mole percent to about 1.00 mole percent mercapto groups and from about 0.0001 mole percent to about 0.06 mole percent amino groups, wherein the ratio of mercapto to amino mole percent values is at least 2. The layer preferably is a fluoropolymer or fluoroelastomer filled with a metal oxide (CuO, AlO, etc.).

Fuser fluid compositions

Disclosed is a fuser member comprising a substrate, a layer thereover comprising a polymer, and, on the polymeric layer, a coating of a release agent comprising polyorganosiloxanes having tertiary amino functional groups on at least some of the molecules thereof.

Tertiary amine functionalized fuser fluids

A low load fuser member for heating and fusing high quality toner images onto an image carrying substrate is provided. The low load fuser member includes a soft, low durometer and thermally non-conductive first elastomeric material member for forming a relatively large fusing nip at a relatively low load; a second and thermally conductive elastomeric material forming an intermediate layer over the first elastomeric material member; and a toner image release layer formed over the intermediate layer for facilitating release of fused toner images.

Low load fuser member and a fusing apparatus and a color image reproduction machine including same

There is disclosed a method for reusing a fuser member containing an outer layer having an original fusing surface that is deficient including: removing a portion of the thickness of the outer layer including the original fusing surface to create on the remaining outer layer a new fusing surface.

Method to renew a spent fuser member

A fuser member having a fuser member release agent for use in an electrophotographic apparatus for enhancing toner release from a fuser member, the fuser member having a substrate, an outer fluoropolymer layer optionally having a conductive filler, and a silicone hydride release oil component thereover and methods and imaging apparatus thereof, are set forth.

Fuser member coated with hydride release oil, methods and imaging apparatus thereof

The present invention relates to a fuser member useful in electrostatographic, including digital apparatuses, the fuser member having a) a substrate, and b) a thermally conductive fusing layer with a fluoropolymer, a micron-sized alumina, a high surface area alumina having a particle size smaller than that of the micron-sized alumina, and crosslinked silicone particles.

Fuser member with fluoropolymer, silicone and alumina composite layer

Fluoroelastomer surfaces and a method for providing a fluoroelastomer surface on a supporting substrate which includes dissolving a fluoroelastomer; adding a dehydrofluorinating agent; adding an amino silane to form a resulting homogeneous fluoroelastomer solution; and subsequently providing at least one layer of the homogeneous fluoroelastomer solution to the supporting substrate.

Fluoroelastomer surfaces and methods thereof

A hard, long wearing, thermally conductive fuser member comprising a base member and a surface layer wherein said surface layer includes a fluoroelastomer and an alumina filler having an average particle size of from about 0.5 to about 15 micrometers, said alumina being present in an amount to provide a thermal conductivity of at least about 0.24 watts/meter .degree.Kelvin in said surface layer.

Thin, thermally conductive fluoroelastomer coated fuser member

A method of making a low surface energy material such as a fuser member comprising providing a shaped fluoroelastomer, preparing a solvent solution of a polyorganosiloxane having reactive functionality and the formula: ##STR1## where R is an alkyl, alkenyl or aryl group having less than 19 carbon atoms or an aryl group substituted with an alkyl or alkenyl group having less than 19 carbon atoms, the functional group A is epoxy, vinyl, acrylic, allylic or methacrylic and n is 2 to 350, contacting the fluoroelastomer with the solution to form at least a thin coating of the polyorganosiloxane on said fluoroelastomer and exposing the coated fluoroelastomer to a level of radiation to form a thin surface layer of the polyorganosiloxane grafted to said fluoroelastomer.

Radiation induced grafting of polyorganosiloxanes to fluoroelastomers

A soft sleeveless long wearing pressure roll member having a cylindrical core, wherein the pressure roll has thereon, a nonswelling in silicone oil, layer of a thermally stable hydrofluoroelastomer having a Young's modulus of elasticity less than 500 lbs./in..sup.2, from about 250 mils. to about 500 mils. in thickness and a hardness of from about 45 to about 60 Shore A is provided.

Low modulus fuser member

The method of fusing thermoplastic resin toner images to a substrate in a fuser including a heated thermally stable FKM hydrofluoroelastomer fusing surface at elevated temperature prepared in the absence of anchoring sites for a release agent of heavy metals, heavy metal oxides, or other heavy metal compounds forming a film of a fluid release agent on the elastomer surface of an amino functional oil having the formula: ##STR1## where 50.ltoreq.n.ltoreq.200, p is 1 to 5, and R.sub.1, R.sub.2 and R.sub.3 are alkyl or arylalkyl radicals having 1 to 18 carbon atoms, R.sub.4 is an alkyl or arylalkyl radicals having 1 to 18 carbon atoms and a polyorganosiloxane chain having 1 to 100 diorganosiloxy repeat units, and R.sub.5 is hydrogen, alkyl or arylalkyl radicals having 1 to 18 carbon atoms, the oil having sufficient amino functionality per active molecule to interact with the hydrofluoroelastomer surface in the absence of a heavy metal and heavy metal anchoring sites to provide an interfacial barrier layer to the toner and a low surface energy film to release the toner from the surface; contacting the toner image on the substrate with the filmed heated elastomer surface to fuse the toner iage to the substrate and permitting the toner to cool.

Fusing method and system with hydrofluoroelastomers fuser member for use

A low surface energy material comprising a volume grafted elastomer which is a substantially uniform integral interpenetrating network of a hybrid composition of a fluoroelastomer and a polyorganosiloxane, said volume graft having been formed by dehydrofluorination of said fluoroelastomer by a nucleophilic dehydrofluorinating agent, followed by a hydrosilation reaction, addition of a hydrogen functionally terminated polyorganosiloxane and a hydrosilation reaction catalyst.

Low surface energy material

A fuser member comprised of a supporting substrate comprising an outer layer of a volume grafted elastomer, which is a substantially uniform integral interpenetrating network of a hybrid composition of a fluoroelastomer and a polyorganosiloxane, said volume graft having been formed by dehydrofluorination of said fluoroelastomer by a nucleophilic dehydrofluorinating agent, followed by addition polymerization by the addition of an alkene or alkyne functionally terminated polyorganosiloxane and a polymerization initiator; and wherein said outer layer contains a reactive metal oxide in an amount of from about 2 to about 7 weight percent.

Fuser member overcoated with a fluoroelastomer, polyorganosiloxane and

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Fairport, NY, United States of America

Louis D Fratangelo