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Antistatic coating and preparation method thereof

An anti-static coating and nano-anti-static technology, applied in conductive coatings, epoxy resin coatings, coatings, etc., can solve the problems of complex preparation process, poor adhesion, restricted use, etc., and achieve low volume resistance and curing time. The effect of short, wide operating temperature range

Inactive Publication Date: 2016-10-12
苏州市奎克力电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Now the volume resistivity of antistatic coatings usually reaches 10 5 ~10 10 Ω•m, however, due to the addition of more antistatic fillers, the antistatic coatings prepared in the prior art have poor adhesion, are easy to fall off, are not corrosion resistant, and the preparation process is also complicated, which restricts their use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] An antistatic coating, prepared from the following raw materials in parts by weight: 30 parts of epoxy resin, 16 parts of acrylic resin, 7 parts of nano antistatic filler, 3 parts of polyethylene glycol, 5 parts of orthobutyl silicate, gelatin 2 parts, 9-parts of dipropylene glycol butyl ether, 4 parts of zinc acetate, 5 parts of isobutyltriethoxysilane coupling agent, 4 parts of leveling agent, 32 parts of solvent;

[0023] The nano-antistatic filler is a mixture of nano-nickel powder, single-wall carbon nanotube, nano-attapulgite, nano-zinc powder and nano-iron-cobalt powder in a weight ratio of 2:0.8:1:3:1.

[0024] The leveling agent is an acrylic leveling agent. The solvent is a mixture of 22 wt% isopropanol, 30 wt% butyl acetate and 48 wt% ethyl acetate.

[0025] The preparation method of above-mentioned antistatic paint, described method comprises the steps:

[0026] Step 1): Add the isobutyltriethoxysilane coupling agent and nano-antistatic fillers weighed by ...

Embodiment 2

[0032] An antistatic coating, prepared from the following raw materials in parts by weight: 58 parts of epoxy resin, 25 parts of acrylic resin, 13 parts of nano antistatic filler, 8 parts of polyethylene glycol, 9 parts of orthobutyl silicate, gelatin 6 parts, 17 parts of dipropylene glycol butyl ether, 8 parts of zinc acetate, 7 parts of isobutyltriethoxysilane coupling agent, 8 parts of leveling agent, and 56 parts of solvent;

[0033] The nano-antistatic filler is a mixture of nano-nickel powder, single-wall carbon nanotube, nano-attapulgite, nano-zinc powder and nano-iron-cobalt powder in a weight ratio of 2:1:3:1.2:1.

[0034] The leveling agent is a mixture of an acrylic leveling agent and a silicone leveling agent in a weight ratio of 3:1. The solvent is a mixture of 22 wt% isopropanol, 30 wt% butyl acetate and 48 wt% ethyl acetate.

[0035] The preparation method of above-mentioned antistatic paint, described method comprises the steps:

[0036] Step 1): Add the isob...

Embodiment 3

[0042] An antistatic coating, prepared from the following raw materials in parts by weight: 44 parts of epoxy resin, 20 parts of acrylic resin, 10 parts of nano antistatic filler, 5 parts of polyethylene glycol, 7 parts of orthobutyl silicate, gelatin 4 parts, 13 parts of dipropylene glycol butyl ether, 6 parts of zinc acetate, 6 parts of isobutyltriethoxysilane coupling agent, 6 parts of leveling agent, 44 parts of solvent;

[0043] The nano-antistatic filler is a mixture of nano-nickel powder, single-wall carbon nanotube, nano-attapulgite, nano-zinc powder and nano-iron-cobalt powder in a weight ratio of 3:1.2:2:3:1.

[0044] The leveling agent is a fluorocarbon leveling agent. The solvent is a mixture of 22 wt% isopropanol, 30 wt% butyl acetate and 48 wt% ethyl acetate.

[0045] The preparation method of above-mentioned antistatic paint, described method comprises the steps:

[0046] Step 1): Add the isobutyltriethoxysilane coupling agent and nano-antistatic fillers weigh...

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Abstract

The invention discloses an antistatic coating and a preparation method thereof. The antistatic coating is prepared from, by weight, epoxy resin, acrylic resin, an antistatic nano-filler, polyethylene glycol, tetrabutyl orthosilicate, gelatin, dipropylene glycol butyl ether, zinc acetate, an isobutyltriethoxysilane coupling agent, a leveling agent and a solvent. The antistatic coating prepared in the invention has the advantages of low volume resistance, good shielding performance, realization of the adhesion grade being 1 grade, short curing time, wide range of the use temperature, industry standard meeting, realization of no foaming, cracking or peeling phenomena of a surface coated with the coating, and good comprehensive performances.

Description

technical field [0001] The invention belongs to the field of coatings, and relates to an antistatic coating and a preparation method thereof. Background technique [0002] Anti-static coating is a new type of functional coating that has developed very rapidly in recent years. Anti-static coating is easy to use and can be adapted to various shapes of parts; it can also use the static discharge effect to discharge the static charge accumulated on the surface of the object in time. , to avoid electronic device breakdown, short circuit or short circuit, accidental electric shock and other bad problems caused by static electricity accumulation, so it is widely used in various fields such as electronics, electrical appliances, mechanical equipment, printing, chemical industry and aerospace. [0003] Now the volume resistivity of antistatic coatings usually reaches 10 5 ~10 10 Ω•m, however, due to the addition of more antistatic fillers, the antistatic coating prepared in the pri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/12C09D5/24
CPCC09D163/00C08K2201/011C08K2201/017C08L2201/04C08L2205/035C09D5/24C09D7/62C08L33/00C08L71/00C08L89/00C08K13/06C08K9/06C08K7/00C08K3/04C08K2003/0862C08K3/346C08K2003/0893C08K2003/0856
Inventor 蔡小连
Owner 苏州市奎克力电子科技有限公司
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