Polyesterimide copper clad aluminum enameled wire enamel and preparation method thereof

A technology of polyester imide copper and enameled wire paint, applied in the field of enameled wire paint, can solve the problems of high cost, expensive solvent and the like of polyimide and polyamideimide, achieve good freezing resistance, simple preparation method, low cost effect

Inactive Publication Date: 2012-02-15
BENGBU YINGLU PHOTOELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Considering the production cost, the cost of polyimide and polyamideimide is high, and expensive solvents are also used

Method used

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  • Polyesterimide copper clad aluminum enameled wire enamel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: polyesterimide copper-clad aluminum wire enamel, the parts by weight of its constituent raw materials are: 110 parts of xylenol, 80 parts of maleic anhydride, 40 parts of acrylate, 30 parts of diaminodiphenylmethane, 15 parts of glycerin, 40 parts of ethylene glycol, 20 parts of dimethyl terephthalate, 1 part of straw ash, 2 parts of tetrabutyl titanium oxide, 1 part of attapulgite, 1 part of N-methylpyrrolidone, chlorinated olefin 5 servings.

Embodiment 2

[0018] Embodiment 2: polyesterimide copper-clad aluminum wire enamel, the parts by weight of its constituent raw materials are: 115 parts of xylenol, 90 parts of maleic anhydride, 45 parts of acrylate, 35 parts of diaminodiphenylmethane, 18 parts of glycerin, 45 parts of ethylene glycol, 25 parts of dimethyl terephthalate, 2 parts of straw ash, 3 parts of tetrabutyl titanium oxide, 2 parts of attapulgite, 1.5 parts of N-methylpyrrolidone, chlorinated olefin 8 servings.

Embodiment 3

[0019] Embodiment 3: polyesterimide copper-clad aluminum wire enamel, the parts by weight of its constituent raw materials are: 120 parts of xylenol, 100 parts of maleic anhydride, 50 parts of acrylate, 40 parts of diaminodiphenylmethane, 20 parts of glycerin, 50 parts of ethylene glycol, 30 parts of dimethyl terephthalate, 3 parts of straw ash, 5 parts of tetrabutyloxytitanium, 3 parts of attapulgite, 2 parts of N-methylpyrrolidone, chlorinated olefin 10 servings.

[0020] The preparation method of polyesterimide copper-clad aluminum wire enamel of the present invention comprises the following steps:

[0021] (1) Add maleic anhydride, dimethyl terephthalate and acrylic acid ester into the reactor according to the weight of the raw materials, heat to 150-200°C, and react for 4.5-5.5 hours;

[0022] (2) Add diaminodiphenylmethane to the solution obtained in step (1) in parts by weight, keep it at 155-180°C, and keep it warm for half an hour;

[0023] (3) Add ethylene glycol a...

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Abstract

The invention relates to a polyesterimide copper clad aluminum enameled wire enamel and a preparation method thereof. The preparation method mainly comprises the step of mixing the component raw materials of dimethyl phenol, maleic anhydride, acrylic ester, diamino diphenylmeth, glycerol, glycol, dimethyl terephthalate, straw ashes, tetrabutyl titanyl, attapulgite, N-methylpyrrolidone and chlorinated olefin according to a certain weight part to react to obtain the finished product. The preparation method provided by the invention is simple and low in cost, and the prepared enameled wire enamel has good heat resistance, solvent resistance and freezing resistance.

Description

technical field [0001] The invention relates to a polyesterimide copper-clad aluminum wire enamel and a preparation method thereof, belonging to the field of wire enamel. Background technique [0002] At present, there are two main types of coatings used for the production of enameled wires: [0003] One is selected from polyimide or its composite coating with other polymers; the other is selected from polyamideimide or its composite coating with other polymers. [0004] From the perspective of production cost, the cost of polyimide and polyamideimide is high, and expensive solvents are also used. Considering the performance of raw materials, polyesterimide copper-clad aluminum wire enamel is between polyimide enamelled wire enamel and polyester enameled wire enamel, and belongs to H-200 level insulating varnish. Polyesterimide copper-clad aluminum wire enamel is in many It is superior to polyimide wire enamel and polyester wire enamel. This is because polyesterimide coppe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D179/08C09D7/12C09D5/25C08G73/16
Inventor 刘孝峰
Owner BENGBU YINGLU PHOTOELECTRIC
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