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Application of a waterborne polyurethane insulating coating on enameled wire

A technology of water-based polyurethane and insulating coatings, applied in the field of coatings, can solve problems such as poor chemical properties, alcohol resistance, poor alkali resistance, and low chemical properties, and achieve excellent breakdown voltage resistance, low manufacturing costs, and solve manufacturing problems. high cost effect

Inactive Publication Date: 2017-12-05
镇江恒兴源节能科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: general comprehensive performance, relatively low chemical performance, for example: poor alcohol resistance, alkali resistance, low hardness and wear resistance and other physical indicators, which is why most people think that water-based paint is not good
[0005] The second generation of water-based insulating coatings uses a compound of acrylic acid and water-based polyurethane as the main raw material. It not only inherits the advantages of the first-generation acrylic products in weather resistance and good tolerance, but also improves the hardness of water-based paint, but the chemical properties are still relatively low. Poor, currently only a few companies in China can produce it, and it is a mid-range product in water-based insulating coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Preparation of enameled wire with a diameter of 0.3 mm

[0046] In order to realize the application of the above-mentioned water-based insulating paint on the enameled wire, the present invention adopts the following procedures:

[0047] (1) enameled wire softening process;

[0048] (2) Enameled wire coating process;

[0049] (3) drying process;

[0050] (4) Winding process;

[0051] The above-mentioned processes are all conventional processes for producing oily paint enameled wire, and the equipment used is also conventional equipment. In this application invention: the length of the oven is 5 meters; the temperature of the oven: 360; the wire speed: 63 m / min;

[0052] The performance indicators of the produced enameled wire are as follows:

[0053] 1. Paint thickness measurement

[0054] Measuring instrument: LSG laser measuring machine;

[0055] Measurement method: randomly measure the paint film thickness of the coated finished product at 4 different time poin...

Embodiment 2

[0063] Preparation of enameled wire with a diameter of 0.37 mm

[0064] In order to realize the application of the above-mentioned water-based insulating paint on the enameled wire, the present invention adopts the following procedures:

[0065] (1) enameled wire softening process;

[0066] (2) Enameled wire coating process;

[0067] (3) drying process;

[0068] (4) Winding process;

[0069] Above-mentioned operation is the routine operation that produces oil paint enameled wire, and used equipment is also conventional equipment, in this application invention:

[0070] Oven length: 5 meters; Oven temperature: 360 degrees; Wire speed: 63 m / min; Coating times: 5 times

[0071] The performance indicators of the produced enameled wire are as follows:

[0072] 1. Paint thickness measurement

[0073] Measuring instrument: LSG laser measuring machine;

[0074] Measurement method: randomly measure the paint film thickness of the coated finished product at 4 different time points....

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PUM

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Abstract

The invention discloses the application of a water-based insulating polyurethane coating on an enameled wire. Through the process of the invention, the production of high-performance water-based insulating coating enameled wire on traditional equipment is realized, and large-scale industrial production is realized. The obtained water-based insulating coating enameled wire product has excellent performance, and the breakdown voltage is above 2500V.

Description

field of invention [0001] The invention belongs to the field of coatings, in particular to the application of a water-based polyurethane insulating coating on enameled wires. Background technique [0002] Water-based insulating coatings are coatings with water as the solvent and water-based resin as the core film-forming substance. They do not contain benzene, toluene, xylene, formaldehyde, free TDI, and toxic heavy metals. Non-toxic and non-irritating, the smell is harmless to the human body, does not pollute the environment, the paint film is plump, crystal clear, flexible, and has the characteristics of water resistance, wear resistance, aging resistance, yellowing resistance, fast drying, and convenient use. Compared with oil-based paint, the use of water-based paint is more environmentally friendly and healthy. [0003] Referring to the development of international water-based insulating coatings, the development of water-based insulating coating technology in my count...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/06C09D5/25C09D7/12
Inventor 张文鑫林安张志远潘峰
Owner 镇江恒兴源节能科技有限公司