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Corrosion-resistant silane crosslinked polyethylene insulation composite material and preparation method thereof

A polyethylene insulation and silane crosslinking technology, applied in the field of composite materials, can solve the problems of low polyethylene compatibility, poor comprehensive performance, insufficient weather resistance and mechanical properties, etc., to improve compatibility, weather resistance and water resistance Good performance, effect of improving mechanical strength

Inactive Publication Date: 2015-11-04
合肥蓝科新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, polyethylene has low compatibility, insufficient weather resistance and mechanical properties, and poor overall performance, which needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] Non-limiting examples of the present invention are as follows:

[0017] A corrosion-resistant silane cross-linked polyethylene insulating composite material, prepared from the following components by weight (kg):

[0018] Low-density polyethylene resin 140, novolak resin 4, glass fiber 8, barite powder 12, titanium dioxide 1.5, polypropylene glycol 2.5, diphenylmethane diisocyanate 0.4, hydrogenated castor oil 1.5, ethylene bisstearamide 1.5, Silane compounding agent 5;

[0019] Wherein the silane compounding agent is made by the component raw material of following weight (kg): silane coupling agent A-1512, fluorocarbon surfactant FC-44300.3, dicumyl peroxide 0.08, dibutyltin dilaurate 0.15, Antioxidant 10100.4; the preparation method is to mix silane coupling agent A-151, dicumyl peroxide, dibutyltin dilaurate and antioxidant 1010 and stir at 200r / min for 15min before adding fluorocarbon surfactant FC -443800r / min stirring 3min, that is.

[0020] The preparation met...

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PUM

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Abstract

The invention discloses a corrosion-resistant silane crosslinked polyethylene insulation composite material. The corrosion-resistant silane crosslinked polyethylene insulation composite material is prepared from 120-150 parts by weight of low density polyethylene resin, 3-5 parts by weight of phenolic novolac resin, 5-10 parts by weight of glass fibers, 10-15 parts by weight of barite powder, 1-2 parts by weight of titanium dioxide, 2-3 parts by weight of polypropylene glycol, 0.3-0.5 parts by weight of diphenyl-methane-diisocyanate, 1-2 parts by weight of hydrogenated castor oil, 1-2 parts by weight of N,N'-ethylenebis(stearamide) and 3-6 parts by weight of a silane complexing agent. The corrosion-resistant silane crosslinked polyethylene insulation composite material has the advantages of good strength, good toughness, weatherability, water resistance, excellent corrosion resistance, high safety and wide application range.

Description

technical field [0001] The invention relates to the field of composite materials, in particular to a corrosion-resistant silane crosslinked polyethylene insulating composite material and a preparation method thereof. Background technique [0002] Polyethylene has a large output, abundant sources, and low price. It is a resin with a wide range of uses. However, polyethylene has low compatibility, insufficient weather resistance and mechanical properties, and poor overall performance, which needs to be improved. Among them, cross-linking modification of polyethylene is one of the important means to improve the performance of polyethylene, which can improve the mechanical properties, chemical resistance and crack resistance of polyethylene products, and broaden the application range of polyethylene. [0003] Polyethylene cross-linking technologies include radiation cross-linking, peroxide cross-linking, silane cross-linking, etc. Among them, silane cross-linking polyethylene h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08K13/06C08K9/04C08K7/14C08K3/30C08K3/22C08K5/20C08G18/76C08G18/48C08J3/24
CPCC08K13/06C08G18/4825C08G18/7671C08J3/24C08J2323/06C08K3/22C08K3/30C08K5/20C08K7/14C08K9/08C08K2003/2241C08K2003/3045C08L2207/066C08L2312/08C08L23/06
Inventor 吴春云
Owner 合肥蓝科新材料有限公司
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