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Transparent cable insulation material and preparation method thereof

A cable insulation and transparent technology, applied in the direction of organic insulators, plastic/resin/wax insulators, etc., can solve the problems of low resistivity, poor toughness, insufficient light transmittance, etc., and achieve good flexibility, high resistivity, high transmittance The effect of light rate

Inactive Publication Date: 2017-09-05
俞秀英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the silane cross-linked polyethylene insulating material also has the disadvantages of poor toughness and low resistivity. Its resistivity is only slightly higher than the industry standard, and its light transmittance is not high enough, which can only reach 61-72%. further improvement

Method used

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  • Transparent cable insulation material and preparation method thereof
  • Transparent cable insulation material and preparation method thereof
  • Transparent cable insulation material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A transparent cable insulation material, by mass fraction, includes the following components:

[0043]

[0044]The preparation method of the above-mentioned transparent cable insulating material comprises the following steps:

[0045] (1) Add each component of the formula amount into a high-speed mixer, and mix for 10 minutes at a speed of 300r / min;

[0046] (2) Add the mixed material of each component into the twin-screw extruder for reaction extrusion, control the working temperature of the twin-screw extruder to be 180° C., and the residence time of the mixed material in the twin-screw extruder to be 5 minutes, and obtain Transparent cable insulation.

Embodiment 2

[0048] A transparent cable insulation material, by mass fraction, includes the following components:

[0049]

[0050] The preparation method of the above-mentioned transparent cable insulating material comprises the following steps:

[0051] (1) Add each component of the formula amount into a high-speed mixer, and mix for 5 minutes at a speed of 500r / min;

[0052] (2) Add the mixed material of each component to the twin-screw extruder for reaction extrusion, control the working temperature of the twin-screw extruder to be 230°C, and the residence time of the mixed material in the twin-screw extruder to be 2min, and obtain Transparent cable insulation.

Embodiment 3

[0054] A transparent cable insulation material, by mass fraction, includes the following components:

[0055]

[0056] The preparation method of the above-mentioned transparent cable insulating material comprises the following steps:

[0057] (1) Add each component of the formula amount into a high-speed mixer, and mix for 8 minutes at a speed of 350r / min;

[0058] (2) Add the mixed material of each component into the twin-screw extruder for reaction extrusion, control the working temperature of the twin-screw extruder to be 200°C, and the residence time of the mixed material in the twin-screw extruder to be 4min, and obtain Transparent cable insulation.

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PUM

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Abstract

The invention provides a transparent cable insulation material and a preparation method thereof. The transparent cable insulation material is prepared from the following raw materials in parts by mass: 40 to 70 parts of polyethylene, 10 to 30 parts of acrylate resin, 5 to 10 parts of polyurethane elastomer, 1 to 5 parts of dicumyl peroxide, 0.5 to 2 parts of catalyst and 0.1 to 0.5 part of initiator. The transparent cable insulation material is prepared through the steps of mixing all the ingredients in a formula ratio in a high-speed mixer, and then reacting and extruding out through a twin-screw extruder. The transparent cable insulation material disclosed by the invention has the advantages of high light transmittance, high specific resistance and good flexibility.

Description

technical field [0001] The invention belongs to the technical field of insulating materials, and in particular relates to a transparent cable insulating material and a preparation method thereof. Background technique [0002] At present, wires and cables are widely used for the transmission of energy and information. The insulation layer or sheath of wires and cables made of opaque materials will be inconvenient for maintenance if they are faulty or damaged during use. Cable insulation helps to quickly troubleshoot and locate damaged areas. [0003] The traditional transparent cable insulation layer is made of polyvinyl chloride, which has the problems of poor transparency and durability, easy oxidation of the metal core, and poor mechanical properties. As a substitute for polyvinyl chloride, silane crosslinked polyethylene is often used as insulation for medium and low voltage wires and cables due to its excellent electrical properties, excellent stress crack resistance, h...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L33/12C08L33/08C08L33/14C08L75/04C08L23/08C08K5/14H01B3/44
CPCC08L23/06C08K2201/014C08L23/0815C08L2201/10C08L2203/202C08L2205/03C08L2207/062C08L2207/066H01B3/441C08L33/12C08L75/04C08K5/14C08L33/08C08L33/14
Inventor 俞秀英
Owner 俞秀英
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