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Coating composite and usage thereof

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

Inactive Publication Date: 2009-10-28
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
[0008] 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 composite and usage thereof
  • Coating composite and usage thereof
  • Coating composite and usage thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Get the acrylate resin solution E-7713 of 100 parts by weight (Changxing Company, solid content about 25%), then add the nonionic antistatic agent (Ref.No.9398-0155-R2, Marubishi Oil Chemical company, about 30% of solid content), 0.3 parts by weight of antistatic auxiliary agent 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 was obtained. After standing for defoaming, apply the composition on one side of a polyethylene terephthalate (PET) film (T100G-38, 38 microns in thickness, 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 .

[0052] The samples prepared above were evaluated for the surface resistance value. Usi...

Embodiment 2

[0058] 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

[0060] 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 composite comprising resin, antistatic agent and antistatic auxiliary agent. The antistatic auxiliary agent can be siloxane compound, fluorine compound or the composite of the siloxane compound and the fluorine compound and can produce synergistic effect with the antistatic agent; after the antistatic agent and a small amount of antistatic auxiliary agent are coated on the surface of a coating, the usage amount of the antistatic agent can be markedly reduced and the antistatic effect needed can be achieved. The coating composite can be applied to various products needing antistatic ability.

Description

technical field [0001] The present invention relates to a paint composition, especially to a paint composition with good antistatic property. Background technique [0002] 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. [0003] Conventional paint compositions for imparting antistatic properties to products usually include resins, antistatic agents, solvents, and additives. At present, there are various types of antistatic agents on the market, including conductive carbon black, conductive fibers, metal powder or metal oxides, organic or inorganic salts, surfactants, and conductive polymers. However, different types of antistatic agents have different problems. For example, addin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/12C09D133/06C09D175/00C09D177/00C09D167/00C09D179/08C09D163/00C09D127/12C09D161/06C09D171/00C09D183/04
Inventor 朱健志廖钦义
Owner ETERNAL MATERIALS CO LTD
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