Polyamide resin capacitor aluminium shell film mulching paint and its preparation method

A technology of polyamide resin and capacitor, applied in the direction of polyamide paint and coating, can solve the problems of high production cost and poor temperature resistance, and achieve the effect of increasing service life, reasonable formula and good curing effect

Inactive Publication Date: 2012-03-07
TONGLING XINTAI ELECTRIC APP & CAPACITOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In fact, this method only reduces the secondary pollution of chlorine-containing coatings, but there are still problems of poor temperature resistance and high production costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Example 1: Polyamide resin capacitor aluminum shell film coating, the weight parts of its raw materials are: comprising composition A and composition B, described composition A: 60 parts of polyamide resin, 20 parts of ketone, 5 parts of polyethylene wax , 15 parts of nano carbon powder, 5 parts of ethanol, 15 parts of glycerol and 10 parts of attapulgite; described composition B: 20 ​​parts of acrylate copolymer modifier, 5 parts of silane coupling agent, graphite powder 5 parts and 5 parts of tetramethylsilane.

[0012] The preparation method of polyamide resin capacitor aluminum shell film coating, comprises the following steps:

[0013] (1) Weigh each raw material according to the weight of the constituent raw materials, add polyamide resin, ketone, polyethylene wax, nano carbon powder, ethanol, glycerin and attapulgite into the mixer, and stir at room temperature for 30-45 minutes, Mix uniformly to obtain composition A, then add acrylate copolymer modifier, silan...

Embodiment 2

[0016] Example 2: Polyamide resin capacitor aluminum shell film coating, the weight parts of its raw materials are: including composition A and composition B, the composition A: 70 parts of polyamide resin, 30 parts of ketone, 10 parts of polyethylene wax , 25 parts of nano carbon powder, 15 parts of ethanol, 25 parts of glycerol and 15 parts of attapulgite; described composition B: 30 parts of acrylate copolymer modifier, 10 parts of silane coupling agent, graphite powder 10 parts and 10 parts of tetramethylsilane.

[0017] The preparation method of polyamide resin capacitor aluminum shell film coating, comprises the following steps:

[0018] (1) Weigh each raw material according to the weight of the constituent raw materials, add polyamide resin, ketone, polyethylene wax, nano carbon powder, ethanol, glycerin and attapulgite into the mixer, and stir at room temperature for 30-45 minutes, Mix uniformly to obtain composition A, then add acrylate copolymer modifier, silane c...

Embodiment 3

[0021] Example 3: Be coated with embodiment 1 and embodiment 2 polyamide resin capacitor aluminum casing film-coated paint, wherein curing temperature, time and the capacitor film-coated aluminum casing technical index that gained film-coated aluminum casing are made are:

[0022] Example 1 Example 2 Curing temperature (°C) 198 216 Curing time (s) 60 60 Requirement index conform to conform to aspect ratio 2.6:1 3.2:1

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PUM

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Abstract

The invention discloses a polyamide resin capacitor aluminium shell film mulching paint and its preparation method. The polyamide resin capacitor aluminium shell film mulching paint is mainly prepared by mixing raw materials of a composition A and a composition B, wherein the composition A is composed of polyamide resin, ketone, polyethylene wax, nanometer powdered carbon, ethanol, glycerol and attapulgite; and the composition B is composed of an acrylic acid ester copolymer modifier, a silane coupling agent, graphite and tetramethylsilane. The formulation provided by the invention is reasonable and the preparation method is simple. The film mulching paint has a good curing effect on the capacitor aluminium shell and has heat-resistant and wear-resistant performance, and can be used to effectively protect the capacitor and increase the service life of the capacitor.

Description

technical field [0001] The invention relates to a capacitor casing and a chemical composition, in particular to a polyamide resin capacitor aluminum casing coating and a preparation method thereof. Background technique [0002] With the advancement of technology in the electronics industry, the manufacturing technology of electronic circuit boards has also made great progress. In order to reduce the size of electronic products and reduce consumption, electrolytic capacitors, as one of the general components on electronic circuit boards, are not only important for their temperature resistance, The requirements for breakdown resistance are getting higher and higher, and the smaller the occupied area, the better. The occupied area of ​​electrolytic capacitors should be small. First, the aluminum case of the capacitor should have a high aspect ratio, and the occupied area should be small if the diameter of the capacitor is small; It is easy to be damaged and the service life is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D177/00C09D123/06C09D133/04C09D7/12
Inventor 孔祥新
Owner TONGLING XINTAI ELECTRIC APP & CAPACITOR
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