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Conductive flocking roller and preparation method thereof

A flocking and conductive medium technology, applied in the field of conductive flocking rollers and their preparation, can solve the problems of uneven conductive resistance and hair loss, and achieve excellent adhesion, reduced hair loss, and good resistance uniformity.

Active Publication Date: 2020-09-04
SHENZHEN FANCY CREATION INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Based on this, it is necessary to provide a conductive flocking roller and its preparation method in view of the problems of uneven conductive resistance and serious hair loss in the conductive flocking rollers currently used in the industry

Method used

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  • Conductive flocking roller and preparation method thereof
  • Conductive flocking roller and preparation method thereof
  • Conductive flocking roller and preparation method thereof

Examples

Experimental program
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Effect test

preparation example Construction

[0043] see figure 2 , the preparation method of the conductive flocking roller of an embodiment, comprises the following steps:

[0044] S110. Provide a roll core, the roll core has a central axis, and the roll core is rotated around the central axis.

[0045] In one embodiment, the rotation speed of the roller core around the central axis is 80rpm-120rpm.

[0046] S120, uniformly mixing 40-50 parts of polyurethane, 25-55 parts of solvent, 5-15 parts of superconducting graphite and 1-5 parts of additives to prepare a conductive medium.

[0047] In one of the embodiments, the solvent is selected from at least one of butyl acetate, ethyl acetate and propyl acetate; the additive is selected from propylene glycol methyl ether acetate, methyl isobutyl ketone and dibasic acid ester (DBE) at least one of the

[0048] S130, sequentially spraying the conductive medium along one end of the roller core to the other end of the roller core.

[0049] In one embodiment, a spray gun is u...

Embodiment 1

[0059] A roll core is provided, the roll core is a stainless steel roll core, and the diameter of the roll core is 10mm. Prepare a conductive medium, the conductive medium includes 40 parts of polyurethane, 25 parts of butyl acetate, 5 parts of superconducting graphite and 1 part of propylene glycol methyl ether acetate; wherein, the specific gravity of polyurethane is 1.005, the viscosity is 100cps, and the superconducting graphite The particle size of superconducting graphite is 250 μm, and the conductivity of superconducting graphite is 5.8. Rotate the roller core around the central axis at a speed of 80rpm, and use a spray gun to spray the conductive medium along one end of the roller core to the other end of the roller core at a running speed of 60mm / s, spraying 4 rounds, so that the conductive medium is on the roller The outer peripheral surface of the core is evenly distributed. Electrostatic flocking is used to distribute conductive fibers on the outer peripheral surf...

Embodiment 2

[0061] A roll core is provided, the roll core is an aluminum roll core, and the diameter of the roll core is 12mm. Prepare conductive medium, conductive medium comprises 50 parts of polyurethane, 55 parts of butyl acetate, 15 parts of superconducting graphite and 5 parts of propylene glycol methyl ether acetate; Wherein, the specific gravity of polyurethane is 0.95, and viscosity is 400cps, superconducting graphite The particle size of superconducting graphite is 300 μm, and the conductivity of superconducting graphite is 7. Rotate the roller core around the central axis at a speed of 120rpm, and use a spray gun to spray the conductive medium back and forth along one end of the roller core to the other end of the roller core at a running speed of 70mm / s, spraying 6 rounds, so that the conductive medium is on the roller The outer peripheral surface of the core is evenly distributed. Electrostatic flocking is used to distribute conductive fibers on the outer peripheral surface ...

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Abstract

The present invention relates to an electric conduction flocking roller and a preparation method thereof. The electric conduction flocking roller comprises a roller core, an electric conduction medium layer and electric conduction fiber penetrating through the electric conduction medium layer and connected to the roller core, wherein the electric conduction medium layer is formed by curing an electric conduction medium, the electric conduction medium layer comprises, by mass, 40-50 parts of polyurethane, 25-55 parts of a solvent, 5-15 parts of superconducting graphite and 1-5 parts of an additive, the solvent is at least one selected from butyl acetate, ethyl acetate and propyl acetate, and the additive is at least one selected from 1-methoxy-2-propyl acetate, methyl isobutyl ketone and dibasic acid ester. According to the present invention, the superconducting graphite has good dispersibility in the polyurethane and the solvent, such that the prepared electric conduction medium layer has advantages of low resistance, good resistance uniformity, and low resistance difference; and the influence of the adding of the superconducting graphite on the adhesion of the polyurethane is low, such that the excellent adhesion of the electric conduction medium layer is ensured, and the hair loss of the electric conduction fiber is reduced.

Description

technical field [0001] The invention relates to parts of office equipment, in particular to a conductive flocking roller and a preparation method thereof. Background technique [0002] Office equipment such as printers and copiers need to carry out operations such as toner transfer, toner cartridge charging, and toner cartridge cleaning during the working process. These operations are usually equipped with multiple functional rollers that match and abut. After the flocking process appeared, the flocking roller with implanted fibers has been applied in the field of office equipment. At present, most of the flocking rollers used in the office supplies industry are non-conductive flocking rollers with cleaning effect, and as the industry gradually improves the cleaning effect of such products, the demand for conductive flocking rollers is increasing. urgent. However, the conductive flocking rollers currently used in the industry have the problems of uneven conductive resistan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/04C08K3/04G03G21/00
CPCC08K3/04C08K2201/001C08K2201/003G03G21/0058C08L75/04
Inventor 吴事国
Owner SHENZHEN FANCY CREATION INDAL
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