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Insulation anti-corrosion heat shrinkable casing pipe material and preparation method thereof

A heat-shrinkable sleeve and insulating composite material technology, which is applied in the field of heat-shrinkable sleeve materials, can solve the problems of poor insulation performance, acid and alkali corrosion resistance and high temperature resistance, so as to solve the problems of poor insulation performance, wide application range, and improved mechanical properties. performance effect

Inactive Publication Date: 2018-12-18
WUHU EXCELLENCE WIRE HARNESS SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the shortcomings of the existing heat-shrinkable sleeve materials in terms of insulation performance, acid and alkali corrosion resistance and high temperature resistance, and propose an insulating and corrosion-resistant heat-shrinkable sleeve material and its preparation method

Method used

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  • Insulation anti-corrosion heat shrinkable casing pipe material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An insulating and anti-corrosion heat-shrinkable sleeve material, comprising the following raw materials in parts by weight:

[0019] 85 parts of polyvinyl chloride, 42 parts of pure thermosetting liquid polyimide resin, 5 parts of vapor phase growth nano-carbon fiber powder, 8 parts of insulating composite material, 3 parts of polytetrafluoroethylene micropowder, 3.2 parts of phthalic anhydride, silane coupling 4.2 parts of agent, 5 parts of epoxidized soybean oil, 5.5 parts of liquid paraffin, 4007.3 parts of polyethylene glycol, 0.7 part of maleic acid grafted PE; wherein, the preparation steps of the insulating composite material are as follows:

[0020] (1) In parts by weight, weigh 4 parts of expanded graphite, 2.2 parts of nano-silicon dioxide, 0.5 parts of nano-boron nitride and 2.8 parts of hydroxyl-terminated polybutadiene, mix and stir evenly, and then add 3.2 parts of perfluoropolyether Stir to mix well;

[0021] (2) Put the mixture obtained in step (1) int...

Embodiment 2

[0028] An insulating and anti-corrosion heat-shrinkable sleeve material, comprising the following raw materials in parts by weight:

[0029] 85 parts of polyvinyl chloride, 46 parts of pure thermosetting liquid polyimide resin, 6 parts of vapor phase growth nano-carbon fiber powder, 9 parts of insulating composite material, 2.8 parts of polytetrafluoroethylene micropowder, 3.2 parts of phthalic anhydride, silane coupling 4.6 parts of agent, 6 parts of epoxidized soybean oil, 6 parts of liquid paraffin, 4008 parts of polyethylene glycol, 0.8 part of maleic acid grafted ABS; wherein, the preparation steps of the insulating composite material are as follows:

[0030] (1) In parts by weight, weigh 4 parts of expanded graphite, 2.2 parts of nano-silicon dioxide, 0.5 parts of nano-boron nitride and 2.8 parts of hydroxyl-terminated polybutadiene, mix and stir evenly, and then add 3.2 parts of perfluoropolyether Stir to mix well;

[0031] (2) The mixture obtained in step (1) was grou...

Embodiment 3

[0038]An insulating and anti-corrosion heat-shrinkable sleeve material, comprising the following raw materials in parts by weight:

[0039] 90 parts of polyvinyl chloride, 43 parts of pure thermosetting liquid polyimide resin, 6 parts of vapor phase growth nano-carbon fiber powder, 8 parts of insulating composite material, 3 parts of polytetrafluoroethylene micropowder, 3 parts of phthalic anhydride, silane coupling 6 parts of epoxidized soybean oil, 6 parts of liquid paraffin, 4008 parts of polyethylene glycol, 0.8 part of maleic acid grafted PP; wherein, the preparation steps of the insulating composite material are as follows:

[0040] (1) In parts by weight, weigh 4 parts of expanded graphite, 2.2 parts of nano-silicon dioxide, 0.5 parts of nano-boron nitride and 2.8 parts of hydroxyl-terminated polybutadiene, mix and stir evenly, and then add 3.2 parts of perfluoropolyether Stir to mix well;

[0041] (2) Put the mixture obtained in step (1) into a ball mill and grind for...

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Abstract

The invention provides an insulation anti-corrosion heat shrinkable casing pipe material and a preparation method thereof. The heat shrinkable casing pipe material is prepared from 70 to 95 parts by weight of polyvinyl chloride, 30 to 50 parts by weight of thermosetting liquid polyimide pure resin, 4 to 7 parts by weight of vapor phase growth nano-carbon fiber powder, 6 to 10 parts by weight of aninsulating composite material, 2 to 4 parts by weight of polytetrafluoroethylene micropowder, 2 to 4 parts by weight of phthalic anhydride, 3 to 6 parts by weight of a silane coupling agent, 3 to 7 parts by weight of epoxy soybean oil, 4 to 7 parts by weight of liquid paraffin, 5 to 9 parts by weight of polyethylene glycol 400 and 0.5 to 0.9 parts by weight of a compatibilizer. The preparation method comprises: S1, raw material preparation, S2, premixing of the polytetrafluoroethylene micropowder, phthalic anhydride, silane coupling agent, vapor phase growth nano-carbon fiber powder and insulating composite material, S3, mixing, and S4, extrusion, molding and drying. The heat shrinkable casing pipe material is excellent in insulation, corrosion resistance, high temperature resistance andthermal expansion and contraction performance.

Description

technical field [0001] The invention belongs to the technical field of heat-shrinkable sleeve materials, and in particular relates to an insulating and anti-corrosion heat-shrinkable sleeve material and a preparation method thereof. Background technique [0002] Heat-shrinkable sleeve, also known as heat-shrinkable protective sleeve, provides insulation protection for wires, cables and wire terminals. It has the characteristics of low-temperature shrinkage, softness, flame retardancy, insulation and corrosion resistance, etc. Anti-rust and anti-corrosion of metal pipes and rods. In order to further expand the scope of use of heat shrinkable tubing, the heat shrinkable tubing material is usually functionally modified according to the needs of the place of use, such as adding a flame retardant to enhance the flame retardant properties of the heat shrinkable tubing material, through Add thermally conductive fillers to give the heat-shrinkable sleeve material good thermal condu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L79/08C08L27/18C08L47/00C08K13/04C08K7/06C08K7/24C08K3/36C08K3/38
CPCC08K2003/385C08K2201/011C08L27/06C08L2201/08C08L2203/18C08L2205/035C08L79/08C08L27/18C08L47/00C08K13/04C08K7/06C08K7/24C08K3/36C08K3/38
Inventor 嵇存雄
Owner WUHU EXCELLENCE WIRE HARNESS SYST
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