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fuser component composition

A technology of fuser and components, which is applied in the direction of instruments, electric recording technology using charge patterns, coatings, etc., and can solve the problem of expensive process steps of the release layer

Inactive Publication Date: 2017-10-03
XEROX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The aforementioned method has many disadvantages, for example, the length of the polyimide tape is determined by the size of the mandrel and requires a release layer on the inner surface of the mandrel, which can be expensive and involves additional process steps

Method used

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Examples

Experimental program
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preparation example Construction

[0051] Exemplary diamines selected for use in the preparation of polyamic acids include 4,4'-bis-(m-aminophenoxy)-biphenyl, 4,4'-bis-(m-aminophenoxy) -diphenylsulfide, 4,4'-bis-(m-aminophenoxy)-diphenylsulfone, 4,4'-bis-(p-aminophenoxy)-benzophenone, 4,4 '-bis-(p-aminophenoxy)-diphenylsulfide, 4,4'-bis-(p-aminophenoxy)-diphenylsulfone, 4,4'-diamino-azobenzene, 4,4'-diaminobiphenyl, 4,4'-diaminodiphenylsulfone, 4,4'-diamino-p-terphenyl, 1,3-bis-(γ-aminopropyl)-tetramethyl yl-disiloxane, 1,6-diaminohexane, 4,4'-diaminodiphenylmethane, 3,3'-diaminodiphenylmethane, 1,3-diaminobenzene, 4, 4'-diaminodiphenyl ether, 2,4'-diaminodiphenyl ether, 3,3'-diaminodiphenyl ether, 3,4'-diaminodiphenyl ether, 1,4-diaminobenzene, 4,4'-diamino-2,2',3,3',5,5',6,6'-octafluoro-biphenyl, 4,4'-diamino-2,2',3,3 ',5,5',6,6'-octafluorodiphenyl ether, bis[4-(3-aminophenoxy)-phenyl]sulfide, bis[4-(3-aminophenoxy)benzene base]sulfone, bis[4-(3-aminophenoxy)phenyl]ketone, 4,4'-bis(3-aminophenoxy)biphenyl...

example I

[0101] A polyamic acid comprising biphenyltetracarboxylic dianhydride / phenylenediamine in a weight ratio of 99.95 to 0.05 (the polyamic acid Phosphate esters of polyimides and alcohols from Kaneka Corporation) ZE -UN(C 8 h 17 -O-P(=O)(OH) 2 and C 10 h 21 -O-P(=O)(OH) 2 mixture, obtained from Stepan Company) composition. After precuring at a temperature of about 125°C to about 250°C followed by final curing at a temperature of about 250°C to about 370°C, polyamic acid from Kaneka Corporation is converted to biphenyltetracarboxylic dianhydride / benzenedi Amine polyimide.

[0102] The composition obtained above was liquid coated on a stainless steel rigid cylindrical mandrel substrate, then pre-cured at a temperature of about 210°C and fully cured at a temperature of 320°C for 60 minutes. The resulting polyimide / alcohol phosphate ester fuser tape self-released from the stainless steel substrate in about 5 seconds, resulting in a 60 micron thick smooth polyimide / alcohol ph...

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Abstract

The present invention provides an electrophotographic fuser member comprising a composition of a polyimide and a phosphate ester of an alcohol.

Description

technical field [0001] The present invention relates generally to fuser members useful in electrophotographic imaging devices, including digital systems, image on image systems, and transfer-fixed solid inkjet printing systems, and wherein the fusing The organ member includes a base layer comprising a mixture of polyimide and a phosphate ester of alcohol. Background technique [0002] To fix or fuse toner material onto a support member such as paper by heat and pressure, it is often necessary to raise the temperature of the toner while simultaneously applying pressure sufficient to cause the components of the toner to become sticky and coalesce. In both xerographic and electronic image recording techniques, it is known to use thermal energy to fuse toner images to support members. [0003] A centrifugal molding process is also known to obtain polyimide fuser belts, in which a thin release layer of fluorine or silicone of about 0.5 microns is applied to the inner surface of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/20C09D179/08C09D7/12
CPCG03G15/2057
Inventor J·吴J·H·凯科L·张L·马
Owner XEROX CORP