Antiwear conductive polymer paint for detecting high voltage cable plastic sheath

A polymer conductive and plastic sheath technology, applied in conductive coatings, epoxy resin coatings, coatings, etc., can solve the problems of inconvenience for manufacturers and users, pollute the environment for operators, affect the reliability of detection, etc., and achieve convenient operation. , no dust pollution, beneficial to environmental protection

Inactive Publication Date: 2007-11-07
SHANGHAI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the conductive detection layer is mainly formed by coated conductive graphite dry powder in engineering. The disadvantage of this method is that it will pollute the environment and cause dust damage to the operator during the coating process, and it will be damaged during cable transportation and laying. Rubbing can easily cause the graphite dry powder layer to fall off and affect the reliability of detection, which brings a lot of inconvenience to manufacturers and users

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment one: the raw material component and weight percent that adopt in the present embodiment are as follows:

[0021] A. The composition and weight percentage of A component:

[0022] Thermosetting polymer resin E12 epoxy resin: 42%;

[0023] Conductive filler: 54%;

[0024] Solid lubricant: 2%;

[0025] Coupling agent γ-(2,3-glycidoxy)propyltrimethoxysilane: 1%;

[0026] Organic thixotropic agent Bentono-34: 0.5%;

[0027] Defoamer EFKA2035: 0.5%;

[0028] B. Component B:

[0029] Curing agent phenalkamine T31: 100%;

[0030] The polymer conductive wear-resistant coating is prepared from the above-mentioned component A and component B; the weight ratio of component A and component B is 4:1;

[0031] The preparation process and steps of polymer conductive coating are as follows:

[0032] (1) Take the thermosetting polymer resin E12 epoxy resin of specified weight in the above raw material formula and dissolve it in an appropriate amount of solvent. The sol...

Embodiment 2

[0039] Embodiment 2: The technological process and steps of this embodiment and the above-mentioned embodiment 1 are exactly the same. The difference is that its raw material formula is not the same.

[0040] Raw material components and weight percentages in the present embodiment are as follows:

[0041] A. Component A:

[0042] Thermosetting polymer resin E51 epoxy resin: 37%;

[0043] Conductive material graphite 52% and copper powder 8%, total 60%;

[0044] Solid lubricant molybdenum disulfide: 1%;

[0045] Coupling agent γ-(2,3-glycidoxy)propyltrimethoxysilane: 1.5%;

[0046] Organic thixotropic agent Bentono-34: 0.3%;

[0047] Defoamer EFKA2035: 0.2%;

[0048] B. Component B:

[0049] Curing agent phenalkamine T31: 100%;

[0050] The polymer conductive wear-resistant coating is prepared from the above-mentioned components A and B; the weight ratio of the components A and B is 4.5:1.

[0051] The preparation process and step 5 of the polymer conductive coating in...

Embodiment 3

[0058] Embodiment 3: The process and steps of this embodiment are exactly the same as those of the above-mentioned embodiment 1. The difference is that its raw material formula is not the same.

[0059] Raw material components and weight percentages in the present embodiment are as follows:

[0060] A. Component A:

[0061] Thermosetting polymer resin E20 epoxy resin: 52%;

[0062] Conductive material graphite 35% and aluminum powder 5%, total 40%;

[0063] Solid lubricant graphite: 5%;

[0064] Coupling agent γ-(2,3-glycidoxy)propyltrimethoxysilane: 1%;

[0065] Organic thixotropic agent Bentono-34: 1%;

[0066] Defoamer EFKA2035: 1%;

[0067] B. Component B:

[0068] Curing agent phenalkamine T31: 100%;

[0069] The polymer conductive wear-resistant coating is prepared from the above-mentioned components A and B; the weight ratio of the components A and B is 3.5:1.

[0070] The preparation process and step 5 of the polymer conductive coating in this embodiment are e...

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Abstract

The present invention is antiwear conductive polymer paint for detecting high voltage cable plastic sheath and its preparation and application, and belongs to the field of conducting paint and wire and cable producing technology. The antiwear conductive polymer paint is compounded with component A and component B in the weight ratio of 3-5 to 1. The component A consists of thermosetting polymer resin 35-54 wt%, conducting stuffing 35-62 wt%, solid lubricant 0.5-7.0 wt%, coupling agent 0.1-2.0 wt%, organic thixotropic agent 0.1-2.0 wt% and defoaming agent 0.1-2.0 wt%; and the component B is curing agent phenolic amine T31. The antiwear conductive polymer paint is coated to the outer surface of polyvinyl chloride sheath of high voltage transmission cable to form coating of 0.2-0.8 mm thickness through curing at 20-100 deg.c, and the coating is suitable for DC voltage withstand detection.

Description

technical field [0001] The invention relates to a high-molecular conductive wear-resistant coating for detecting the outer surface of a polyvinyl chloride sheath of an ultra-high-voltage transmission cable, a preparation method and application thereof, and belongs to the technical field of chemical high-molecular conductive coating and electric wire and cable manufacturing. Background technique [0002] At present, the outermost layer of the ultra-high voltage transmission cable is composed of a polyvinyl chloride sheath and a conductive detection coating on the outer surface. The main function of the conductive detection coating is to test the safety and reliability of the sheath insulation after the cable is installed. At present, the conductive detection layer is mainly formed by coated conductive graphite dry powder in engineering. The disadvantage of this method is that it will pollute the environment and cause dust damage to the operator during the coating process, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/24G01R31/08G01R31/12
Inventor 郭强丁剑汪晓明潘国梁
Owner SHANGHAI UNIV
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