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A kind of eco ion conductive charging roller and its preparation method

A technology of ion conduction and charging roller, which is applied in the direction of corona discharge devices, chemical instruments and methods, circuits, etc., can solve the problems of affecting the service life of charging rollers, poor corrosion resistance, difficult processing, etc., and achieve stable electrical conductivity and mechanical properties , Good electrical conductivity and good plasticity

Active Publication Date: 2021-07-30
DONGGUAN WALTON RUBBER & PLASTIC NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The roller shaft of the existing charging roller is generally made of stainless steel, and the stainless steel material is more expensive, difficult to process, and has poor corrosion resistance and is easy to rust, which greatly affects the service life of the charging roller

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] An ECO ion-conductive charging roller, comprising a roller shaft, a foamed conductive sponge layer sleeved outside the roller shaft, and an ECO ion-conductive rubber layer sleeved outside the foamed conductive sponge layer; the roller shaft is an aluminum core , the chemical composition of the aluminum core includes the following elements by weight: Cu: 1.60%, Mg: 2.50%, Mn: 0.40%, Fe: 0.50%, Si: 0.50%, and the balance is Al and unavoidable impurities, Impurities single ≤ 0.05%, total ≤ 0.15%;

[0060] The aluminum core also includes Ca: 0.5%, Cr: 0.35%, and Zn: 0.08%.

[0061] The aluminum core also includes Li: 0.2%, Zr: 0.06%, and V: 0.05%.

[0062] The aluminum core further includes Ti: 0.1%, B: 0.08% and Sr: 0.05%.

[0063] The aluminum core further includes mixed rare earth Re: 0.05%, and the Re is a mixture composed of La, Ce, Pr, Nd, Pm and Sm in a mass ratio of 2:1:0.4:1.5:0.8:1.

[0064] The ECO ion conductive rubber layer is made of the following raw mater...

Embodiment 2

[0089] The difference between this embodiment and the above-mentioned embodiment 1 is that the chemical composition of the aluminum core includes the following elements by weight percentage: Cu: 1.65%, Mg: 2.45%, Mn: 0.45, Fe: 0.40%, Si: 0.40 %, the balance is Al and unavoidable impurities, single impurity ≤ 0.05%, total ≤ 0.15%;

[0090] The aluminum core also includes Ca: 0.8%, Cr: 0.3%, and Zn: 0.07%.

[0091] The aluminum core also includes Li: 0.25%, Zr: 0.05%, and V: 0.04%.

[0092] The aluminum core also includes Ti: 0.15%, B: 0.07% and Sr: 0.04%.

[0093] The aluminum core further includes mixed rare earth Re: 0.08%, and the Re is a mixture composed of La, Ce, Pr, Nd, Pm and Sm in a mass ratio of 2.5:1.5:0.5:1.8:0.9:1.

[0094] The ECO ion conductive rubber layer is made of the following raw materials in parts by weight:

[0095] Chlorohydrin rubber 65 parts

[0096] 3 parts of ion conductive agent

[0097] Accelerator 7 parts

[0098] active agent 5 parts

[00...

Embodiment 3

[0112]The difference between this embodiment and the above-mentioned embodiment 1 is that the chemical composition of the aluminum core includes the following elements by weight percentage: Cu: 1.70%, Mg: 2.40%, Mn: 0.50%, Fe: 0.30%, Si: 0.30%, the balance is Al and unavoidable impurities, single impurity ≤ 0.05%, total ≤ 0.15%;

[0113] The aluminum core also includes Ca: 1%, Cr: 0.25%, and Zn: 0.06%.

[0114] The aluminum core also includes Li: 0.3%, Zr: 0.04%, and V: 0.03%.

[0115] The aluminum core further includes Ti: 0.2%, B: 0.06% and Sr: 0.03%.

[0116] The aluminum core further includes mixed rare earth Re: 0.1%, and the Re is a mixture composed of La, Ce, Pr, Nd, Pm and Sm in a mass ratio of 3:2:0.6:2:1:1.

[0117] The ECO ion conductive rubber layer is made of the following raw materials in parts by weight:

[0118] Chlorohydrin rubber 72.99 parts

[0119] 3.64 parts of ion conductive agent

[0120] Accelerator 8.03 parts

[0121] Active agent 5.84 parts

[...

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Abstract

The invention relates to the technical field of charging rollers, in particular to an ECO ion-conductive charging roller and a preparation method thereof. The charging roller includes a roller shaft, a foamed conductive sponge layer sleeved outside the roller shaft, and a foamed conductive The ECO ion conductive rubber layer on the outside of the sponge layer; the roller shaft is an aluminum core, and the chemical composition of the aluminum core includes the following elements by weight percentage: Cu: 1.60%-1.80%, Mg: 2.30%-2.50%, Mn: 0.40%‑0.60%, Fe≤0.50%, Si≤0.50%, the balance is Al and unavoidable impurities, single impurity≤0.05%, total ≤0.15%. The charging roller of the invention adopts an aluminum core as a roller shaft, has excellent electrical conductivity, thermal conductivity and corrosion resistance, and has low density, high strength, good plasticity and is easy to process.

Description

technical field [0001] The invention relates to the technical field of charging rollers, in particular to an ECO ion-conductive charging roller and a preparation method thereof. Background technique [0002] The charging roller used on the printing equipment is responsible for contacting and rotating the photosensitive drum, so that the photosensitive drum is evenly charged, and the electrostatic latent image after exposure is generated. The roller shaft of the existing charging roller is generally made of stainless steel, and the stainless steel material is expensive, difficult to process, and has poor corrosion resistance and is easy to rust, which greatly affects the service life of the charging roller. Contents of the invention [0003] In order to overcome the shortcomings and deficiencies in the prior art, the object of the present invention is to provide an ECO ion-conductive charging roller, which uses an aluminum core as a roller shaft, and has excellent electrica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/02C08L71/03C08L71/02C08K13/04C08K3/24C08K5/20C08K3/22C08K7/26C08K7/00C08K5/098C22C21/06C22C21/08B32B1/08B32B5/18B32B25/04
Inventor 黄本林李芳琳李志刚杨树娟罗兴亮
Owner DONGGUAN WALTON RUBBER & PLASTIC NEW MATERIAL CO LTD