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Release agent as well as preparation method and application thereof

A release agent and solvent technology, applied in the field of materials, can solve problems such as skin irritation, influence on the nervous system, environmental hazards, etc., and achieve the effects of low adhesion, good film forming effect, and health protection

Inactive Publication Date: 2021-12-31
南通市海门银燕电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, toluene or xylene is more harmful to the human body, affecting the human nervous system, stimulating the eyes, respiratory tract and skin, and causing harm to the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] This embodiment provides an environment-friendly release agent for capacitors, which is prepared through the following steps.

[0016] Weigh silicone and gasoline with an octane number of not less than 95% in a weight ratio of 4:100, stir in a magnetic stirrer at a speed of 75r / min for 10-15 minutes, and make them fully mixed to obtain an environmentally friendly capacitor Release agent solution. (Organosilicon is Nanda 705 silicone rubber, gasoline is 98# gasoline).

[0017] The prepared silicon solution is sprayed on the lead wire of the capacitor to form a good, uniform and smooth film. It has no effect on the welding performance of the lead wire and the cured epoxy resin, and has low adhesion to the epoxy resin. It is convenient to prepare and has no poison.

Embodiment 2

[0019] This embodiment provides an environment-friendly release agent for capacitors, which is prepared through the following steps.

[0020] Weigh silicone and gasoline with an octane number not less than 95% according to the weight ratio of 3:100, stir in a magnetic stirrer for 10-15 minutes, make them fully mixed, and obtain an environmentally friendly capacitor release agent solution.

[0021] The prepared silicon solution is sprayed on the lead wire of the capacitor to form a good, uniform and smooth film. It has no effect on the welding performance of the lead wire and the cured epoxy resin, and has low adhesion to the epoxy resin. It is convenient to prepare and has no poison.

Embodiment 3

[0023] This embodiment provides an environment-friendly release agent for capacitors, which is prepared through the following steps.

[0024] Weigh silicone and gasoline with an octane number not less than 95% according to the weight ratio of 5:100, stir in a magnetic stirrer for 10 to 15 minutes, and make them fully mixed to obtain an environmentally friendly capacitor release agent solution.

[0025] The prepared silicon solution is sprayed on the lead wire of the capacitor to form a good, uniform and smooth film. It has no effect on the welding performance of the lead wire and the cured epoxy resin, and has low adhesion to the epoxy resin. It is convenient to prepare and has no poison.

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PUM

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Abstract

The invention provides an environment-friendly release agent for capacitors as well as a preparation method and application thereof. The environment-friendly release agent consists of a main agent and a solvent. The main agent is organic silicon, and the solvent is gasoline with the octane number not less than 95%. The weight ratio of the main agent to the solvent is (3-5): 100. The invention also provides a preparation method of the release agent. The release agent can be used for preparing a capacitor. The release agent provided by the invention has a good film forming effect on a capacitor outgoing line, is uniform and smooth, has no influence on the welding performance of the outgoing line and cured epoxy resin, has low adhesive force on epoxy resin, and is convenient to prepare.

Description

technical field [0001] The invention relates to a release agent, in particular to a release agent for an environment-friendly capacitor, and belongs to the technical field of materials. Background technique [0002] In the manufacture of film capacitors, it is necessary to use epoxy resin as its outer encapsulation. Due to the excellent adhesion of epoxy resin, it is inevitable to coat the lead-out wire of the capacitor with epoxy resin during product encapsulation. However, after the lead wire of the capacitor is wrapped with epoxy resin, the welding performance of the product cannot be satisfied. Therefore, the capacitor needs to be coated with a release agent on the lead wire before dipping epoxy resin. The selection of release agent and solvent is very important. It is required that after the lead-out wire is coated with release agent, the lead-out wire is uniform and smooth, has good film-forming property, has no effect on the cured epoxy resin, and has low adhesion t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D7/20H01G13/00
CPCC09D183/04C09D7/20H01G13/00
Inventor 曹青松
Owner 南通市海门银燕电子有限公司
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