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Method for producing cleaning blade for use in image-forming apparatus and cleaning blade

A technology for cleaning blades and imaging devices, which is applied in the field of cleaning blades and can solve problems such as the impossibility of obtaining cleaning blades with suitable performance

Inactive Publication Date: 2008-12-03
SUMITOMO RUBBER IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Depending on the amount of zinc methacrylate, it is not possible to obtain a cleaning blade with suitable properties

Method used

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  • Method for producing cleaning blade for use in image-forming apparatus and cleaning blade
  • Method for producing cleaning blade for use in image-forming apparatus and cleaning blade
  • Method for producing cleaning blade for use in image-forming apparatus and cleaning blade

Examples

Experimental program
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Effect test

Embodiment 1～4

[0140] After weighing the rubber component (1) in the amount shown in Table 1, the rubber component (1) was added to a rubber kneading device, which was then heated to 60 to 110°C and kneaded for 0.5 to 6 minutes.

[0141] After weighing the filler (2) and the crosslinking agent (3) in the amounts shown in Table 1, the filler (2) and the crosslinking agent (3) were added to the rubber kneading device. Then, the filler (2), the crosslinking agent (3), and the rubber component (1) are heated to 60 to 110°C and kneaded for 0.5 to 10 minutes.

[0142] After the obtained thermosetting elastomer composition is placed in a hard mold, it is press-vulcanized at a temperature of 160-170° C. for 30 minutes to produce a thin plate with a thickness of 2 mm.

[0143] After cutting out a cleaning blade with a width of 27 mm and a length of 320 mm from a thin plate with a thickness of 2 mm, the cleaning blade and a support member made of chromium-free SECC were bonded together by a thermal fusion...

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Abstract

The present invention provides a method for producing a cleaning blade for use in an image-forming apparatus. The method includes the steps of roughly kneading a rubber component containing rubber derived from acrylonitrile butadiene copolymer therein by supplying the rubber derived from acrylonitrile butadiene copolymer to a rubber-kneading apparatus; kneading the rubber component, a filler essentially containing carbon black and zinc oxide therein, and a crosslinking agent containing sulfur therein by simultaneously supplying the filler and the crosslinking agent to the rubber-kneading apparatus; and press-vulcanizing a mixture consisting of a thermosetting elastomer composition obtained at the roughly kneading step to generate zinc sulfide and mold the thermosetting elastomer composition.

Description

Technical field [0001] The invention relates to a method for preparing a cleaning blade for an imaging device and the cleaning blade. More specifically, the cleaning blade of the present invention is formed by pressure vulcanization of a thermosetting elastomer composition containing a rubber component, in which a filler and a crosslinking agent are added to the rubber component. Background technique [0002] In an electrostatic copier, the copy operation is performed as follows: electrostatic charge is applied to the surface of the photoreceptor by electric discharge; the image is exposed to the photoreceptor to form an electrostatic latent image thereon; Attaching to the electrostatic latent image to develop the electrostatic latent image; transferring the toner image to the recording paper; and heating the recording paper to which the toner image has been transferred under pressure to fix the toner on the recording paper. Therefore, in order to continuously copy the image of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B7/48B29C35/02B29C39/00B29K9/00B29K19/00B29L31/00
CPCC08K3/0033G03G21/0017C08K3/013B29C48/40C08L15/005C08L13/00C08L9/02G03G5/00G03G21/00
Inventor 杉本睦树
Owner SUMITOMO RUBBER IND LTD
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