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Spherical resin-based electric brush composite material and preparation method thereof

A composite material and resin-based technology, which is applied in the field of spherical resin-based brush composite materials and its preparation, to achieve the effects of improving lubrication and wear resistance, improving self-fluidity, and improving work performance

Active Publication Date: 2019-05-21
丽水市长新电器制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the problem that the above-mentioned poor fluidity of the pressed powder leads to poor uniformity of the green compact and affects the performance of the brush, the present invention provides a spherical resin-based brush composite material. The present invention spheroidizes the pressed powder to solve the problem of The problem of poor fluidity greatly improves the working performance of the brush

Method used

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  • Spherical resin-based electric brush composite material and preparation method thereof

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Effect test

Embodiment 1

[0033] Spherical resin-based brush composite material, comprising the following components in mass percentages:

[0034] Microcrystalline graphite powder 23%

[0035] 10% spherical flake graphite powder

[0036] Spheroidized artificial graphite powder 42%

[0037] Titanate coupling agent 1%

[0038] Epoxy 22%

[0039] Tungsten disulfide 1.75%

[0040] Ceria 0.25%.

[0041] The preparation method of spherical resin-based electric brush composite material comprises the following steps:

[0042]Add microcrystalline graphite powder, spheroidized flake graphite powder and spheroidized artificial graphite powder, tungsten disulfide, and cerium dioxide into the mixing pot, close the lid and mix for 20 minutes to obtain material a; open the lid, and add titanate to material a For coupling agent and chelating agent, mix at 50°C for 30 minutes with the cover closed to obtain material b; open the cover, add epoxy resin binder to material b, close the cover and mix for 90 minutes, c...

Embodiment 2

[0044] Spherical resin-based brush composite material, comprising the following components in mass percentages:

[0045] Microcrystalline graphite powder 30%

[0046] Spheroidized artificial graphite powder 43%

[0047] Silane coupling agent 0.5%

[0048] Thermosetting phenolic resin 25%

[0049] Tungsten disulfide 1.2%

[0050] Ceria 0.3%

[0051] The preparation method of spherical resin-based electric brush composite material comprises the following steps:

[0052] Add microcrystalline graphite powder, spheroidized flake graphite powder and spheroidized artificial graphite powder, tungsten disulfide, and cerium dioxide into the mixing pot, close the lid and mix for 20 minutes to obtain material a; open the lid, and add titanate to material a For coupling agent and chelating agent, close the cover and mix for 30 minutes at 50°C to obtain material b; open the cover, add thermosetting phenolic resin binder to material b, close the cover and mix for 90 minutes, continue mi...

Embodiment 3

[0054] Spherical resin-based brush composite material, comprising the following components in mass percentages:

[0055] Microcrystalline graphite powder 15%

[0056] Spherical flake graphite powder 63%

[0057] Titanate coupling agent 0.215%

[0058] Thermoplastic phenolic resin 20%

[0059] Tungsten disulfide 1.5%

[0060] Ceria 0.285%.

[0061] The preparation method of spherical resin-based electric brush composite material comprises the following steps:

[0062] Add microcrystalline graphite powder, spheroidized flake graphite powder and spheroidized artificial graphite powder, tungsten disulfide, and cerium dioxide into the mixing pot, close the lid and mix for 20 minutes to obtain material a; open the lid, and add titanate to material a For coupling agent and chelating agent, close the cover and mix for 30 minutes at 50°C to obtain material b; open the cover, add thermoplastic phenolic resin binder to material b, close the cover and mix for 90 minutes, continue mix...

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Abstract

The invention relates to the technical field of material preparation, and discloses a spherical resin-based electric brush composite material and a preparation method thereof. The spherical resin-based electric brush composite material comprises the following components in percentage by mass: 15-30% of amorphous graphite powder, 43-63% of graphite powder, 0.5-3% of a chelating agent, 20-27% of anadhering agent, 1.5-4% of a composite lubricating agent, and 0.02-0.08% of a die releasing agent. According to the spherical resin-based electric brush composite material, the graphite resin powder issphered, and the edges of the powder are removed, so that the self-flowing property of the powder is improved, and the property of isotropy is achieved; the spherical resin-based electric brush composite material is particularly suitable for a high-radial-ratio one-time formed electric brush; the properties of the material are matched with the working properties of a motor to the maximum.

Description

technical field [0001] The invention relates to the field of material preparation, in particular to a spherical resin-based brush composite material and a preparation method thereof. Background technique [0002] As we all know, the powder mixture can be composed of the main filler of the composite material and the additives therein. The main filler in the brush material acts as a functional main phase and has typical functions such as conductivity, reinforcement and lubrication. The additives in it can play the role of "icing on the cake" according to the different working conditions of the brush products. In a sense, the brush powder mixture plays a decisive role in the production of the brush. How to select and further process the powder mixture to obtain a composite material with controllable micro-interface and designable performance is the current electric carbon industry, and even provides experimental basis and technical support for the research and development of c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08K13/06C08K9/00C08K3/04C08K7/00C08K5/10C08K3/22C08K3/30C08L61/06C08L61/00
Inventor 顾志平陈文润涂川俊邹泽玉巩佩
Owner 丽水市长新电器制造有限公司
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