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Nano self-lubricating insulating paint as well as preparation method and application thereof

A technology of self-lubricating and insulating varnish, which is applied in the direction of insulating conductors, insulating cables, and insulating conductors/cables, etc. Stability problems such as poor dielectric properties, to achieve low friction coefficient, reduce friction coefficient, stable and reliable quality

Inactive Publication Date: 2017-05-17
上海裕生特种线材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention proposes a nano self-lubricating insulating varnish and its preparation method and application, which solves the problem of poor mechanical properties, thermal stability and dielectric properties of the electromagnetic wire insulating varnish in the prior art, and the self-lubricating properties of the insulating varnish film. Some disadvantages of poor compactness performance

Method used

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  • Nano self-lubricating insulating paint as well as preparation method and application thereof
  • Nano self-lubricating insulating paint as well as preparation method and application thereof
  • Nano self-lubricating insulating paint as well as preparation method and application thereof

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Embodiment 1

[0032] use MoS 3 Ball milling with sulfur in a ball mill, and sintering the resulting mixture in a tube furnace to obtain MoS2 nanomaterials, and then stearic acid and MoS 2 Nanomaterials are mixed, and the modified MoS with a particle size of no more than 100nm is made by ultrasonic and grinding methods 2 Nano powder, ready for use.

[0033]Add the modified molybdenum disulfide nanopowder into N-methylpyrrolidone and stir at 40-60°C for 0.5-1h to obtain MoS 2 / NMP lubricating fluid; MoS 2 / NMP lubricating liquid is added to polyamide-imide insulating varnish, and stirred at 40-50°C for 1-2 hours to obtain nanometer self-lubricating insulating varnish.

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Abstract

The invention provides nano self-lubricating insulating paint as well as a preparation method and application thereof. The insulating paint is prepared from the following raw materials and the raw materials comprise modified molybdenum disulfide nano powder, a solvent and polyamide-imide insulating paint, wherein the grain size of the modified molybdenum disulfide nano powder is no more than 100nm. The nano self-lubricating insulating paint is applied to preparation of a nano composite self-lubricating electromagnetic wire and the application comprises the following steps: coating the nano self-lubricating insulating paint on the surface of a conductor; baking to obtain a paint film; cooling to obtain a finished product, wherein the conductor is a material obtained by carrying out wiredrawing and coating the insulating paint. When the nano self-lubricating insulating paint is used, the friction coefficient of the paint film is remarkably reduced and reaches about 0.08. A process flow is reduced and the production efficiency is improved; the prepared nano composite self-lubricating electromagnetic wire has a low friction coefficient; the surface quality, adhesiveness, voltage resistance and ageing resistance of the electromagnetic wire are improved; the quality is stable and reliable; the production efficiency and the equipment utilization rate are greatly improved.

Description

technical field [0001] The invention relates to the technical field of electromagnetic wire insulating varnish, in particular to a nanometer self-lubricating insulating varnish and its preparation method and application, especially to a production process of 200-grade nanocomposite self-lubricating electromagnetic wire. Background technique [0002] At present, there is no production of self-lubricating magnet wire in China, and some enterprises use self-lubricating paint imported from abroad, which is expensive and difficult to promote. Therefore, choose a suitable material with self-lubricating function as an additive to improve the self-lubricating performance of the insulating paint layer of the electromagnetic wire to reduce the surface friction coefficient, and develop an environmentally friendly, energy-saving, safe and effective self-lubricating electromagnetic wire through new technology integration Lacquer is the development trend of the magnet wire industry. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D179/08C09D5/25C09D7/12H01B7/02H01B13/16
CPCC08K3/30C08K9/04C08K2003/3009C08K2201/011C09D7/62C09D179/08H01B7/0216H01B13/16
Inventor 倪建春
Owner 上海裕生特种线材有限公司
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