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US5045422A Expired / Lapsed US ⏱️ 0.0 years remaining

Encapsulated toner compositions

Assignee: Xerox Corp
•
Filing: 1989-08-18
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Granted: 1991-09-03
•
Expires: 2009-08-18
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Abstract

Abstract An encapsulated toner composition comprised of a core with a fluorocarbon-incorporated resin binder, pigment or dyes, and a polymeric shell.

Inventors

  • 👤 Grazyna Kmiecik-Lawrynowicz
  • 👤 Beng S. Ong
  • 👤 Fernando Yulo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 21:07
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/09; G03G9/093; G03G9/0935; G03G9/09357; G03G9/09364

Claims Analysis

Total Claims: 46
Claim 1
Independent Claim 82 words
An encapsulated toner composition comprised of a core comprised of the reaction product of a fluorocarbon with a polymer and wherein said core is derived from the copolymerization of an addition-type monomer and a functionalized fluorocarbon compound represented by Formula (I): ##STR3## wherein A is a structural moiety containing an addition-polymerization functional group; B is a fluorine atom or a structural moiety containing an addition-polymerization functional group; and x is the number of difluoromethylene functions; pigment or dyes; and a polymeric shell.
Claim 2
Dependent Claim 82 words
An encapsulated toner composition comprised of a core comprised of the reaction product of a fluorocarbon with a polymer and wherein said core is derived from the copolymerization of an addition-type monomer and a functionalized fluorocarbon compound represented by Formula (I): ##STR3## wherein A is a structural moiety containing an addition-polymerization functional group; B is a fluorine atom or a structural moiety containing an addition-polymerization functional group; and x is the number of difluoromethylene functions; pigment or dyes; and a polymeric shell.
Claim 3
Dependent Claim 18 words
A toner in accordance with claim 1 wherein the addition-type monomer is an acrylate, methacrylate, or styrene monomer.
Claim 4
Dependent Claim 17 words
A toner in accordance with claim 1 wherein the pigment is carbon black, magnetite, or mixtures thereof.
Claim 5
Dependent Claim 13 words
A toner in accordance with claim 3 wherein the magnetite is Mapico Black.
Claim 6
Dependent Claim 21 words
A toner in accordance with claim 1 wherein the pigment is cyan, yellow, magenta, red, green, blue, brown, or mixtures thereof.
Claim 7
Dependent Claim 99 words
A toner in accordance with claim 5 wherein the pigment is Heliogen Blue, Pylam Oil Blue, Pylam Oil Yellow, Pigment Blue 1, Pigment Violet 1, Pigment Red 48, Lemon Chrome Yellow DCC 1026, E.D. Toluidine Red, Bon Red C, NOVAperm Yellow FGL, Hostaperm Pink E, Cinquasia Magenta, 2,9-dimethyl-substituted quinacridone, anthraquinone dye, Cl Dispersed Red 15, Cl Solvent Red 19, copper tetra-(octadecyl sulfonamido) phthalocyanine, x-copper phthalocyanine, Cl Pigment Blue, Anthrathrene Blue, Special Blue X-2137, 3,3-dichlorobenzidene acetoacetanilides, a monoazo pigment, Cl Solvent Yellow 16, a nitrophenyl amine sulfonamide, Cl Dispersed Yellow 33, 2,5-dimethoxy-4-sulfonanilide phenylazo-4'-chloro-2,5-dimethoxy acetoacetanilide, Permanent Yellow FGL or mixtures thereof.
Claim 8
Dependent Claim 59 words
A toner in accordance with claim 1 wherein the shell comprises from about 5 percent to about 30 percent by weight of the toner, the core resin binder comprises from about 15 percent to about 90 percent by weight of the toner, and the colorant comprises from about 5 percent to about 75 percent by weight of the toner.
Claim 9
Dependent Claim 10 words
A toner in accordance with claim 1 containing surface additives.
Claim 10
Dependent Claim 22 words
A toner in accordance with claim 8 wherein the surface additives are metal salts, metal salts of fatty acids, or colloidal silicas.
Claim 11
Dependent Claim 12 words
A toner in accordance with claim 9 wherein zinc stearate is selected.
Claim 12
Dependent Claim 27 words
A toner in accordance with claim 8 wherein the additives are present in an amount of from about 0.1 to about 5 weight percent of the toner.
Claim 13
Dependent Claim 15 words
A toner in accordance with claim 1 wherein the shell is prepared by interfacial polymerization.
Claim 14
Dependent Claim 22 words
A toner in accordance with claim 1 wherein the shell is a polyurea, a polyamide, a polyurethane, a polyester, or mixtures thereof.
Claim 15
Dependent Claim 14 words
A toner in accordance with claim 1 wherein the shell surface contains conductive components.
Claim 16
Dependent Claim 20 words
A toner in accordance with claim 14 wherein the conductive components are comprised of carbon black, graphite, or mixtures thereof.
Claim 17
Dependent Claim 20 words
A toner in accordance with claim 15 with a resistivity of from about 10 3 to about 10 8 ohm-cm.
Claim 18
Dependent Claim 15 words
A toner in accordance with claim 1 wherein the core is prepared by free-radical polymerization.
Claim 19
Dependent Claim 16 words
An encapsulated toner composition in accordance with claim 1 wherein A is acryloxy, methacryloxy, or styryl.
Claim 20
Dependent Claim 14 words
A toner composition in accordance with claim 1 wherein B is a fluorine atom.
Claim 21
Dependent Claim 19 words
A toner composition in accordance with claim 1 wherein x is a number of from 1 to about 50.
Claim 22
Dependent Claim 39 words
An imaging process which comprises the generation of an image on an imaging surface, subsequently developing this image with the toner composition of claim 1, thereafter transferring the image to a suitable substrate, and permanently affixing the image thereto.
Claim 23
Dependent Claim 121 words
A toner in accordance with claim 1 wherein the core resin binder is a copolymer derived from the copolymerization of functionalized fluorocarbon compound as represented by Formulas (II), (III), (IV), or (V) wherein R is hydrogen or alkyl, R' is alkylene or arylene, and x is a number of from 1 to about 50, with n-butyl acrylate, s-butyl acrylate, isobutyl acrylate, butyl methacrylate, s-butyl methacrylate, isobutyl methacrylate, benzyl acrylate, benzyl methacrylate, propyl acrylate, isopropyl acrylate, hexyl acrylate, cyclohexyl acrylate, hexyl methacrylate, cyclohexyl methacrylate, lauryl acrylate, lauryl methacrylate, pentyl acrylate, pentyl methacrylate, stearyl acrylate, stearyl methacrylate, ethoxypropyl acrylate, ethoxypropyl methacrylate, heptyl acrylate, heptyl methacrylate, methylbutyl acrylate, methylbutyl methacrylate, m-tolyl acrylate, styrene, dodecyl styrene, hexylmethyl styrene, nonyl styrene, tetradecyl styrene or mixtures thereof.
Claim 24
Dependent Claim 77 words
An encapsulated toner composition comprised of a core comprised of the reaction product of a fluorocarbon with a polymer and wherein said core is derived from the copolymerization of an addition-type monomer and a functionalized fluorocarbon compound represented by Formulas (II), (III), (IV), or (V), ##STR4## wherein R is hydrogen, or an alkyl; R' is alkylene, arylene, or the derivatives thereof; and x represents the number of difluoromethylene functions; and pigment or dyes; and a polymeric shell.
Claim 25
Dependent Claim 77 words
An encapsulated toner composition comprised of a core comprised of the reaction product of a fluorocarbon with a polymer and wherein said core is derived from the copolymerization of an addition-type monomer and a functionalized fluorocarbon compound represented by Formulas (II), (III), (IV), or (V), ##STR4## wherein R is hydrogen, or an alkyl; R' is alkylene, arylene, or the derivatives thereof; and x represents the number of difluoromethylene functions; and pigment or dyes; and a polymeric shell.
Claim 26
Dependent Claim 13 words
A toner in accordance with claim 23 wherein R is methyl or ethyl.
Claim 27
Dependent Claim 21 words
A toner in accordance with claim 23 wherein R' is an alkylene group containing from 1 to about 20 carbon atoms.
Claim 28
Dependent Claim 21 words
A toner in accordance with claim 23 wherein R' is an arylene group containing from 6 to about 30 carbon atoms.
Claim 29
Dependent Claim 19 words
A toner in accordance with claim 23 wherein x is a number of from about 1 to about 30.
Claim 30
Dependent Claim 97 words
A toner in accordance with claim 23 wherein the core resin binder is a copolymer derived from the copolymerization of functionalized fluorocarbon compound of Formulas (II), (III), (IV), or (V) with n-butyl acrylate, s-butyl acrylate, isobutyl acrylate, butyl methacrylate, s-butyl methacrylate, isobutyl methacrylate, benzyl acrylate, benzyl methacrylate, propyl acrylate, isopropyl acrylate, hexyl acrylate, cyclohexyl acrylate, hexyl methacrylate, cyclohexyl methacrylate, lauryl acrylate, lauryl methacrylate, pentyl acrylate, pentyl methacrylate, stearyl acrylate, stearyl methacrylate, ethoxypropyl acrylate, ethoxypropyl methacrylate, heptyl acrylate, heptyl methacrylate, methylbutyl acrylate, methylbutyl methacrylate, m-tolyl acrylate, styrene, dodecyl styrene, hexylmethyl styrene, nonyl styrene, tetradecyl styrene or mixtures thereof.
Claim 31
Dependent Claim 17 words
A toner in accordance with claim 28 wherein the pigment is carbon black, magnetite, or mixtures thereof.
Claim 32
Dependent Claim 21 words
A toner in accordance with claim 28 wherein the pigment is cyan, yellow, magenta, red, green, blue, brown, or mixtures thereof.
Claim 33
Dependent Claim 39 words
An imaging process which comprises the generation of an image on an imaging surface, subsequently developing this image with the toner composition of claim 23, thereafter transferring the image to a suitable substrate, and permanently affixing the image thereto.
Claim 34
Dependent Claim 103 words
An encapsulated toner composition comprised of a core binder comprised of a copolymer fluorocarbon of Formula (I), wherein A is a structural moiety containing an addition-polymerization functional group; B is a fluorine atom or a structural moiety containing an addition-polymerization functional group; and x is the number of difluoromethylene functions, or wherein the fluorocarbon selected is represented by the Formulas (II), (III), (IV), or (V), wherein R is hydrogen, or an alkyl; R' is alkylene, arylene, or the derivatives thereof; and x represents the number of difluoromethylene functions; pigment or dyes, monomer or monomers, and a shell monomer; and thereover a polymeric shell.
Claim 35
Dependent Claim 103 words
An encapsulated toner composition comprised of a core binder comprised of a copolymer fluorocarbon of Formula (I), wherein A is a structural moiety containing an addition-polymerization functional group; B is a fluorine atom or a structural moiety containing an addition-polymerization functional group; and x is the number of difluoromethylene functions, or wherein the fluorocarbon selected is represented by the Formulas (II), (III), (IV), or (V), wherein R is hydrogen, or an alkyl; R' is alkylene, arylene, or the derivatives thereof; and x represents the number of difluoromethylene functions; pigment or dyes, monomer or monomers, and a shell monomer; and thereover a polymeric shell.
Claim 36
Dependent Claim 52 words
A toner in accordance with claim 32 wherein the fluorocarbon selected is represented by the Formulas (II), (III), (IV), or (V), wherein R is hydrogen, or an alkyl; R' is alkylene, arylene, or the derivatives thereof; and x represents the number of difluoromethylene functions; and pigment or dyes; and a polymeric shell.
Claim 37
Dependent Claim 30 words
A toner in accordance with claim 32 wherein the core resin binder is comprised of the reaction product of the polymerization of the functionalized fluorocarbon and an addition monomer component.
Claim 38
Dependent Claim 17 words
A toner in accordance with claim 32 wherein the fluorocarbon contains as functional groups acrylate or methacrylate.
Claim 39
Dependent Claim 29 words
A toner in accordance with claim 17 wherein the core is comprised of the reaction product of a fluorocarbon with an acrylate, a methacrylate, a styrene, or mixtures thereof.
Claim 40
Dependent Claim 63 words
An encapsulated toner composition comprised of a copolymer fluorocarbon and a monomer component, pigment, and thereover a polymeric shell and wherein the fluorocarbon is of the following formula A--(CF.sub.2).sub.x --B wherein A is a structural moiety containing an addition polymerization functionality; B is a fluorine atom or a structural moiety containing an addition polymerization functionality; and x is the number of difluoromethylene groups.
Claim 41
Dependent Claim 63 words
An encapsulated toner composition comprised of a copolymer fluorocarbon and a monomer component, pigment, and thereover a polymeric shell and wherein the fluorocarbon is of the following formula A--(CF.sub.2).sub.x --B wherein A is a structural moiety containing an addition polymerization functionality; B is a fluorine atom or a structural moiety containing an addition polymerization functionality; and x is the number of difluoromethylene groups.
Claim 42
Dependent Claim 21 words
An encapsulated toner composition in accordance with claim 37 wherein x is a number of from about 1 to about 50.
Claim 43
Dependent Claim 26 words
An encapsulated toner composition in accordance with claim 37 wherein A is an addition polymerization functionality selected from the group consisting of acryloxy, methacryloxy and styryl.
Claim 44
Dependent Claim 32 words
An encapsulated toner composition in accordance with claim 37 wherein the pigment particles are comprised of carbon black, magnetite or mixtures thereof, cyan, magenta, yellow, red, green, blue, brown or mixtures thereof.
Claim 45
Dependent Claim 148 words
A process for the preparation of encapsulated toner compositions which comprises admixing or dispersing a fluorocarbon compound of Formula (I), wherein A is a structural moiety containing an addition-polymerization functional group; B is a fluorine atom or a structural moiety containing an addition-polymerization functional group; and x is the number of difluoromethylene functions, or wherein the fluorocarbon selected is represented by the Formulas (II), (III), (IV), or (V), wherein R is hydrogen, or an alkyl; R' is alkylene, arylene, or the derivatives thereof; and x represents the number of difluoromethylene functions; pigment or dyes, monomer or monomers, and a shell monomer, into stabilized microdroplets in a aqueous medium; followed by microcapsule shell formation around the microdroplets by interfacial polycondensation; and subsequently initiating free-radical polymerization within the formed microcapsules thereby generating a core comprised of a fluorocarbon-incorporated resin copolymer binder containing pigment or dyes encapsulated in a polymeric shell.
Claim 46
Dependent Claim 148 words
A process for the preparation of encapsulated toner compositions which comprises admixing or dispersing a fluorocarbon compound of Formula (I), wherein A is a structural moiety containing an addition-polymerization functional group; B is a fluorine atom or a structural moiety containing an addition-polymerization functional group; and x is the number of difluoromethylene functions, or wherein the fluorocarbon selected is represented by the Formulas (II), (III), (IV), or (V), wherein R is hydrogen, or an alkyl; R' is alkylene, arylene, or the derivatives thereof; and x represents the number of difluoromethylene functions; pigment or dyes, monomer or monomers, and a shell monomer, into stabilized microdroplets in a aqueous medium; followed by microcapsule shell formation around the microdroplets by interfacial polycondensation; and subsequently initiating free-radical polymerization within the formed microcapsules thereby generating a core comprised of a fluorocarbon-incorporated resin copolymer binder containing pigment or dyes encapsulated in a polymeric shell.

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3.5 Years (Year 4) 1994-09-02 1995-03-04 1995-09-03 $2000.00 Window Closed / Lapsed
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