US5340679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermediate transfer element coatings
Assignee: Xerox Corp
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Filing: 1993-03-22
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Granted: 1994-08-23
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Expires: 2013-03-22
Abstract
Abstract An intermediate toner transfer component comprised of a substrate and thereover a coating comprised 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.
Inventors
- 👤 Santokh S. Badesha
- 👤 Joseph Mammino
- 👤 Dennis A. Abramsohn
- 👤 Donald S. Sypula
- 👤 Arnold W. Henry
- 👤 George J. Heeks
- 👤 David H. Pan
- 👤 Louis D. Fratangelo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:28
CPC Classifications
G; G03; G03G; G03G7/00; G03G7/0006; G03G7/002; G03G7/0026; G03G7/0046; G03G15/00; G03G15/14; G03G15/16; G03G15/1605; G03G15/162; G03G7/004
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
72 words
An intermediate toner transfer component comprised of a substrate and thereover a coating comprised 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.
Claim 2
Dependent Claim
72 words
An intermediate toner transfer component comprised of a substrate and thereover a coating comprised 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.
Claim 3
Dependent Claim
24 words
A toner transfer component in accordance with claim 1 wherein said fluoroelastomer is selected from the group consisting of poly(vinylidene fluoride-hexafluoropropylene) and poly(vinylidene fluoride-hexafluoropropylene-tetrafluoroethylene).
Claim 4
Dependent Claim
70 words
A toner transfer component in accordance with claim 1 wherein said polyorganosiloxane has the formula: ##STR3## wherein R is an alkyl, alkenyl or aryl, or an aryl group substituted with an amino, hydroxy, mercapto or alkyl or alkenyl group, the functional group A is an alkene or alkyne, an alkene or alkyne substituted with an alkyl or aryl, and n is a number of from about 2 to about 350.
Claim 5
Dependent Claim
60 words
A toner transfer component in accordance with claim 1 wherein said dehydrofluorinating agent is selected from the group consisting of primary, secondary and tertiary aliphatic and aromatic amines, where the aliphatic and aromatic groups contain from about 2 to about 1 5 carbon atoms, and aliphatic and aromatic diamines and triamines contain from about 2 to about 15 carbon atoms.
Claim 6
Dependent Claim
32 words
A toner transfer component in accordance with claim 4 wherein said amine dehydrofluorinating agent is selected from the group consisting of N-(2-aminoethyl-3-aminopropyl)-trimethoxy silane, 3-(N-styrylmethyl-2-aminoethylamino) propyltrimethoxy silane hydrochloride and (aminoethylamino methyl) phenethyltrimethoxy silane.
Claim 7
Dependent Claim
16 words
A toner transfer component in accordance with claim 1 wherein the polymerization initiator Is a peroxide.
Claim 8
Dependent Claim
23 words
A toner transfer component in accordance with claim 6 wherein the peroxide is selected from the group consisting of benzoyl peroxide and azoisobutyronitrile.
Claim 9
Dependent Claim
55 words
A method of imaging comprising forming a latent image in an electrographic imaging or printing apparatus containing a photoconductive imaging member, developing the image with a dry toner composition, transferring the image to the intermediate transfer component of claim 1, and transferring the developed image to a suitable substrate, followed by affixing the image thereto.
Claim 10
Dependent Claim
55 words
A method of imaging comprising forming a latent image in an electrographic imaging or printing apparatus containing a photoconductive imaging member, developing the image with a liquid toner composition, transferring the image to the intermediate transfer component of claim 1, and transferring the developed image to a suitable substrate, followed by affixing the image thereto.
Claim 11
Dependent Claim
15 words
A toner transfer component in accordance with claim 1 wherein the elastomer contains resistive fillers.
Claim 12
Dependent Claim
18 words
A toner transfer component in accordance with claim 10 wherein the resistive fillers are comprised of carbon black.
Claim 13
Dependent Claim
17 words
A toner transfer component in accordance with claim 1 wherein there is selected as said substrate nickel.
Claim 14
Dependent Claim
24 words
A toner transfer component in accordance with claim 12 wherein said is a metal, a metal oxide, a thermoplastic or a thermosetting organic film.
Claim 15
Dependent Claim
16 words
A toner transfer component in accordance with claim 13 wherein the substrate is polyimide, or steel.
Claim 16
Dependent Claim
25 words
A toner transfer component in accordance with claim 1 wherein there is selected an intermediate layer located between the overcoating elastomer and the supporting substrate.
Claim 17
Dependent Claim
16 words
A toner transfer component in accordance with claim 15 wherein the intermediate layer is an adhesive.
Claim 18
Dependent Claim
18 words
A toner transfer component in accordance with claim 16 wherein the adhesive is a bisphenol A epoxy resin.
Claim 19
Dependent Claim
21 words
A toner transfer component in accordance with claim 16 wherein the adhesive is an amino functional siloxane, or an unsaturated silane.
Claim 20
Dependent Claim
37 words
An intermediate toner transfer component comprised of a substrate and thereover a coating comprised of a volume grafted elastomer which is a substantially uniform integral interpenetrating network of a hybrid composition of a fluoroelastomer and a polyorganosiloxane.
Claim 21
Dependent Claim
37 words
An intermediate toner transfer component comprised of a substrate and thereover a coating comprised of a volume grafted elastomer which is a substantially uniform integral interpenetrating network of a hybrid composition of a fluoroelastomer and a polyorganosiloxane.
Claim 22
Dependent Claim
101 words
An intermediate toner transfer component consisting essentially of a substrate and thereover a coating comprised of a volume grafted elastomer which is a substantially uniform integral interpenetrating network of a hybrid composition of a fluoroelastomer and a polyorganosiloxane, and wherein said polyorganosiloxane is of the formula ##STR4## wherein R is an alkyl, alkenyl or aryl, or an aryl group substituted with an amino, hydroxy, mercapto or alkyl or alkenyl group, the functional group A is an alkene or alkyne, an alkene or alkyne substituted with an alkyl or aryl, and n is a number of from about 2 to about 350.
Claim 23
Dependent Claim
101 words
An intermediate toner transfer component consisting essentially of a substrate and thereover a coating comprised of a volume grafted elastomer which is a substantially uniform integral interpenetrating network of a hybrid composition of a fluoroelastomer and a polyorganosiloxane, and wherein said polyorganosiloxane is of the formula ##STR4## wherein R is an alkyl, alkenyl or aryl, or an aryl group substituted with an amino, hydroxy, mercapto or alkyl or alkenyl group, the functional group A is an alkene or alkyne, an alkene or alkyne substituted with an alkyl or aryl, and n is a number of from about 2 to about 350.
Claim 24
Dependent Claim
55 words
A method of imaging comprising forming a latent image in an electrographic imaging or printing apparatus containing a photoconductive imaging member, developing the image with a liquid toner composition, transferring the image to the intermediate transfer component of claim 22, and transferring the developed image to a suitable substrate, followed by affixing the image thereto.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-08-22 | 1998-02-21 | 1998-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-08-22 | 2002-02-21 | 2002-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-08-22 | 2006-02-21 | 2006-08-23 | $7700.00 | Window Closed / Lapsed |