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High hydrophobic static-electricity conducting anti-icing coating and method for producing same

A technology of water conduction and static electricity, which is applied in the direction of conductive coatings, conductors, circuits, etc., can solve the problems of not being able to take into account the hydrophobic characteristics and conductive static electricity functions, and achieve the effects of shortening the residence time, reducing adhesion, and reducing surface energy

Active Publication Date: 2010-08-04
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention provides a highly hydrophobic and static-conductive anti-icing coating and a preparation method thereof, which can solve the problem that common low-surface-energy coatings in the prior art cannot take into account both hydrophobic properties and static-conducting functions

Method used

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  • High hydrophobic static-electricity conducting anti-icing coating and method for producing same

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Experimental program
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Effect test

Embodiment 1

[0038] The weight ratio of A and B components is 15:1, and the formula of A component is as follows:

[0039] Fluorinated acrylic resin 38g, conductive mica 11g, iron red 3g, methyl siloxane copolymer 5g, UV-A 1g, 104S 1g, organic bentonite 1g, butyl acetate 20g, S100 10g.

[0040] Group B is Bayer's N75.

[0041]Prepare component A according to the following steps: dry the conductive mica and iron red in the formula of component A, and set aside. Weigh fluorinated acrylic resin, add iron red, organic bentonite, methyl siloxane copolymer, UV-A, 104S, butyl acetate, S100, add the above mixture into a basket sand mill and grind until fine The material is discharged after the temperature is 5-20 μm. Add the above mixture into the mixing tank, start stirring, add the metered sheet-shaped conductive mica, use a high-speed mixer to stir for 30 minutes at a speed of 2000rmp, filter with a 120-mesh filter, measure and pack, and test the viscosity of the coating at 86s (coating - 4 c...

Embodiment 2

[0044] The weight ratio of A and B components is 12:1, and the formula of A component is as follows:

[0045] Fluorinated acrylic resin 45g, nano-silicon nitride 12g, conductive titanium dioxide 8g, dimethylsiloxane copolymer 6g, UV-B 1g, 104 1g, organoclay 1g, xylene 20g, ethyl acetate 6g.

[0046] Group B is Bayer's N75.

[0047] Prepare component A according to the following steps: dry the conductive titanium dioxide and nano-silicon nitride in the formula of component A, and set aside. Weigh fluorinated acrylic resin, add nano-silicon nitride, conductive titanium dioxide, organic clay, UV-B, xylene, ethyl acetate, 104, dimethyl siloxane copolymer, and add the mixture to the basket sand mill Medium grinding, the grinding fineness is 5-20μm and the material is discharged. Filter with a 130-mesh filter, measure and pack, set aside, and test the viscosity at 105s (Tu-4 cups).

[0048] According to the ratio of 12:1, take the measured components A and B, mix them evenly, and...

Embodiment 3

[0050] The weight ratio of A and B components is 11:1, and the formula of A component is as follows:

[0051] Fluorinated acrylic resin 50g, conductive mica 17g, conductive barium sulfate 6g, acrylic modified organosiloxane 3g, UV-P 2g, 610S 1g, fumed silica 1g, xylene 10g, butyl glycol ether acetate 10g.

[0052] Group B is Bayer's N75.

[0053] Prepare component A according to the following steps: dry the conductive mica and conductive barium sulfate in the formula of component A, and set aside. Weigh fluorinated acrylic resin, add conductive barium sulfate, fumed silica, UV-P, xylene, ethylene glycol butyl ether acetate, 610S, acrylic modified organosiloxane, and add the mixture to the basket sand Grinding in the mill, the grinding fineness is 5-20μm and the material is discharged. Add the metered sheet-shaped conductive mica to the above materials, stir evenly with a high-speed mixer at a speed of 2200rmp, filter with a 140-mesh filter, measure and pack, and test the vi...

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Abstract

The invention provides high hydrophobic static-electricity conducting anti-icing coating and a method for producing the same, aiming at solving the problem existing in the prior art that the common low surface energy coating can not balance both hydrophilic characteristic and static-electricity conducting function. According to the technical scheme adopted to solve the problem, the high hydrophobic static-electricity conducting anti-icing coating comprises component A and component B, wherein the weight ratio of the component A to the component B is 9-16:1. The component A comprises the following materials by weight percent: 35-60 percent of the fluorocarbon resin, 10-40 percent of conductive powder, 1-8 percent of organic silicon compound, 0.5-3 percent of anti-aging agent, 0.5-5 percent of dispersant, 0.5-3 percent of anti-sedimentation agent and 10-40 percent of organic solvent. The component B is aliphatic and / or aromatic curing agent. After being coated on the surface of an electric wire, the high hydrophobic static-electricity conducting low surface energy anti-icing coating can delay the icing and reduce the adhesion force of the ice and the surface of the electric wire. In addition, with the static-electricity conducting performance, the high hydrophobic static-electricity conducting low surface energy anti-icing coating can protect the electric wire against lightning stroke.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a static-conductive anti-icing coating with high hydrophobicity and a preparation method thereof, which uses fluorocarbon resin as a film-forming material. Background technique [0002] Transmission lines are exposed in the natural environment, and their safe operation is closely related to the natural environment. For example, exposure to the sun and rain will cause the aging of the wires; the outer insulating surface of the power equipment will gradually accumulate dirt during operation; Great harm. [0003] my country's power grid construction is distributed in a wide range, spanning complex and diverse geographical terrains and climate environments, and is easily damaged by severe natural disasters such as ice and snow, lightning strikes, earthquakes, strong winds, and heavy rains. For example, in 2008, a large area of ​​freezing rain and icing occurred in the ...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D7/12C09D5/24H01B7/17
Inventor 王贤明张燕宁亮范高超杨凯
Owner STATE GRID CORP OF CHINA
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