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Polyether type enameled wire lubricant and preparation method thereof

An enameled wire and lubricating oil technology, which is applied in lubricating compositions, petroleum industry, cable/conductor manufacturing, etc., can solve the problems of insufficient lubricating effect, precipitation of paraffin and other substances, and achieves a good lubricating effect, low cost and simple preparation method. Effect

Inactive Publication Date: 2015-04-29
GUANGDONG HENGBAOCHANG ELECTRICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing enameled wire lubricants can basically meet the production needs, but there are also some phenomena such as insufficient lubricating effect and precipitation of paraffin and other substances after the solvent volatilizes

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A polyether enameled wire lubricating oil, which is composed of the following components and weight percentages: oil-soluble polyether: adopt propylene oxide---butylene oxide copolymer, take 1000 grams; take 100 grams of No. 15 industrial white oil; Take 150 grams of industrial grade beeswax; take 20 grams of antioxidant 264; mix No. 120 solvent oil with a medium boiling range and No. 200 solvent oil with a high boiling point at a weight ratio of 1:1, and take 4000 grams.

[0017] Its preparation method: at 30-35°C, in a 10-liter glass flask with a mechanical stirring device, first add solvent naphtha, then add and dissolve the antioxidant, after stirring for 5 minutes, add the rest of the components, and then stir for 25 minutes. minute.

Embodiment 2

[0019] A polyether enameled wire lubricating oil, composed of the following components and weight percentages: oil-soluble polyether, using propylene oxide --- 1,2 long-chain alkylene oxide copolymer, in this embodiment, 1,2 long-chain Alkylene oxide is an alkylene oxide with a chain length of 12 alkane, and the copolymer takes 1000 grams; takes 500 grams of No. 26 industrial white oil; after antioxidant 1010 and antioxidant 168 are mixed in a weight ratio of 2:1, take 20 Gram; No. 120 solvent oil of the middle boiling point boiling range gets 1000 grams.

[0020] Its preparation method is with embodiment 1.

Embodiment 3

[0022] A polyether enameled wire lubricating oil is composed of the following components and weight percentages: oil-soluble polyether, adopting propylene oxide---tetrahydrofuran copolymer, taking 1000 grams; industrial white oil, taking 250 grams; industrial grade beeswax taking 75 grams; after mixing antioxidant 1010 and antioxidant 168 at a weight ratio of 2:1, take 20 grams; take 2000 grams of solvent oil with a boiling range of 200 with a high boiling point.

[0023] Its preparation method is with embodiment 1.

[0024] Comparison of lubricating effect: the enameled wire coated with the lubricating oil in Example 2 with a wire diameter of 0.04 mm was used as the test product, and the commercially available paraffin-gasoline solvent lubricating oil was used as the reference product coated with the enameled wire with the same wire diameter. Comparison method selection: test the dynamic friction coefficient of the enameled wire of the reference product and the test product w...

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Abstract

The invention provides a polyether type enameled wire lubricant which is prepared from the following constituents in percentage by weight: 19-40% of oil-soluble polyether, 1.5-20% of industrial white oil, 0-3.0% of beeswax, 0.4-1.0% of an antioxidant, and 38-76% of solvent gasoline. The preparation method comprises the following steps: (1) batching according to the raw material components of the previous formula; (2) at a temperature of 25-40 DEG C, adding the solvent components into a stainless steel sealed container with a mechanical stirring device or a glass flask, and then adding the antioxidant for dissolving; after a few minutes of stirring, adding the remaining constituents and stirring for 20-30 minutes. According to the invention, the prepared lubricant can be used for coating the surface of the enameled wire, has a good lubricating effect, and is good in thermal oxidation resistance and high in safety; the lubricant enables the surface of the enameled wire to be smoother, and ensures the insulation performance of the enameled wire; all of the raw material components are commercially available, the preparation method is simple, and the cost is low.

Description

technical field [0001] The invention relates to the enameled wire lubricating oil and its preparation method, in particular to a polyether enameled wire lubricating oil and its preparation method. Background technique [0002] In the enameled wire manufacturing process, after the copper wire is coated with insulating varnish and cured, it is also necessary to coat a layer of lubricating oil on the surface to facilitate the protection of the insulating varnish film when it passes through the winding machine guide wheel and other components during the coil winding operation. damaged. If the surface of the enameled wire is poorly lubricated, it can cause scratches on the surface of the paint film and damage the interlayer insulation. For the enameled wire with fine wire diameter, for example, the wire diameter below 0.05mm, because the wire diameter is very thin, if the surface of the enameled wire is not well lubricated, a slight tension during coil winding can make the ename...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04H01B13/22C10N30/06C10N40/14C10N30/10
Inventor 谢飞吴春芝黄宗祥
Owner GUANGDONG HENGBAOCHANG ELECTRICAL TECH
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