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Coating composition and application thereof

A composition and coating technology, applied in conductive coatings, coatings, etc., can solve the problems of poor antistatic effect, insufficient coating resistance and adhesion, etc.

Inactive Publication Date: 2014-03-05
ETERNAL MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If it exceeds 40 parts by weight, the anti-caking and adhesion properties of the coating will be insufficient, and if it is less than 5 parts by weight, the antistatic effect will be poor
[0009] Based on past studies, it is found that the previous technology only focused on the improvement of antistatic agents for antistatic products, and less research on antistatic additives

Method used

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  • Coating composition and application thereof
  • Coating composition and application thereof
  • Coating composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Get 100 parts by weight of acrylate resin solution E-7713 (Changxing Company, solid content about 25%), then add 0.3 parts by weight of nonionic antistatic agent (Ref. No.9398-0155-R2, Marubishi Oil Chemical company, solid content about 30%), 0.3 parts by weight of antistatic additive Dow Corning 57 Additive (Dow Corning Company, polyether modified polydimethylsiloxane), and 1 part by weight of crosslinking agent Desmodur N75 (Bayer company, isocyanate, solid content about 75%), after being uniformly stirred, a coating composition is obtained. After standing for defoaming, apply the composition on one side of a polyethylene terephthalate (PET) film (T100G-38, thickness 38 microns, produced by Mitsubishi Chem.) with a wire rod coating rod superior. Then, it was dried at 120° C. for 2 minutes to evaporate the solvent to obtain a coating with a solid coating weight of about 20 g / m 2 .

[0054] The samples prepared above were evaluated for the surface resistance value. U...

Embodiment 2

[0060] Repeat the preparation steps and test method described in Example 1, but add 0.3 parts by weight of antistatic additive BYK-333 (Byk Chemicals, polyether modified alkylsiloxane), the test results are shown in Table 1 listed in.

Embodiment 3

[0062]The preparation steps and test method described in Example 1 were repeated, but 1 part by weight of antistatic additive BYK-340 (Byk Chemicals, fluorine compound) was added. The test results are listed in Table 1.

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Abstract

The invention relates to a coating composition and an application thereof. The coating composition provided by the invention comprises resin, an antistatic agent and an antistatic auxiliary agent, wherein the antistatic auxiliary agent is selected from a siloxane compound, a fluorine compound and a composition thereof. The antistatic auxiliary agent can generate a synergistic effect with the antistatic agent, and can take the antistatic agent out of a coating surface, so that the dosage of the antistatic agent can be significantly reduced by using a small amount of the antistatic auxiliary agent so as to achieve a desired antistatic effect. The coating composition can be applied to various products desiring antistatic requirements.

Description

[0001] The patent application of the present invention is a divisional application of the patent application for the invention whose filing date is April 23, 2008, the application number is 200810095740.2, and the invention name is "coating composition and its application". technical field [0002] The present invention relates to a coating composition, in particular to a coating composition having good antistatic properties. Background technique [0003] In the optoelectronic industry, many components are made of plastic materials, which have high electrical insulation and are prone to static electricity due to friction. If the static electricity is slight, it is easy to cause dirt to adhere, and if it is serious, it will affect product performance and lead to an increase in defective products. [0004] Conventional paint compositions for imparting antistatic properties to products usually include resins, antistatic agents, solvents, and additives. At present, there are var...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/12C09D5/24C09D133/04
Inventor 朱健志廖钦义
Owner ETERNAL MATERIALS CO LTD
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