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Heat-resisting chlorinated polyvinyl chloride material for power cable

A chlorinated polyvinyl chloride and power cable technology, applied in the field of polyvinyl chloride, can solve the problems of poor heat resistance and impact resistance, high melt viscosity and processing temperature, and decreased physical and mechanical properties, and achieves improvement. Melt fluidity, good compatibility, and the effect of improving processability

Inactive Publication Date: 2016-11-23
安徽华润仪表线缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although chlorinated polyvinyl chloride has excellent comprehensive properties, its processing performance is seriously deteriorated due to the high chlorine content of chlorinated polyvinyl chloride, its melt viscosity and processing temperature are high, and its resistance to light and heat is high. Poor stability, above 100°C or after long-term sunlight exposure, it will decompose to produce hydrogen chloride, and further autocatalyze the decomposition, causing discoloration and rapid decline in physical and mechanical properties
Chlorinated polyvinyl chloride materials for cables are required to have corrosion resistance, excellent chemical stability, good impact toughness and good heat resistance, etc., while the existing chlorinated polyvinyl chloride materials have heat resistance and Impact resistance is not very good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018]A heat-resistant chlorinated polyvinyl chloride material for power cables proposed by the present invention, its raw materials include the following components in parts by weight: 87.5 parts of chlorinated polyvinyl chloride, 19 parts of polyvinyl chloride, 1.86 parts of marble, and 3.8 parts of calcium carbonate , 5 parts of calcined kaolin, 2.6 parts of calcium stearate, 1.78 parts of zinc stearate, 0.75 parts of dibutyltin dilaurate, 2.23 parts of butyl stearate, 3.4 parts of oxidized polyethylene wax, 16.7 parts of aluminum hydroxide, hydrogen 11.3 parts of magnesium oxide, 2.3 parts of tricresyl phosphate, 4 parts of bis(2-ethylhexyl)phenyl phosphate, 1.35 parts of tris(2-ethylhexyl) phosphate, 2.38 parts of polystyrene, polyglutaryl 1.34 parts of amine, 1 part of stearyl alcohol, 1.86 parts of silane coupling agent, and 1.3 parts of antioxidant.

Embodiment 2

[0020] A heat-resistant chlorinated polyvinyl chloride material for power cables proposed by the present invention, its raw materials include the following components in parts by weight: 75 parts of chlorinated polyvinyl chloride, 25 parts of polyvinyl chloride, 0.5 part of marble, and 6 parts of calcium carbonate , 2 parts of calcined kaolin, 3 parts of calcium stearate, 0.8 parts of zinc stearate, 0.8 parts of dibutyltin dilaurate, 1 part of butyl stearate, 4 parts of oxidized polyethylene wax, 8 parts of aluminum hydroxide, hydrogen 3 parts of magnesium oxide, 1 part of tricresyl phosphate, 5 parts of bis(2-ethylhexyl)phenyl phosphate, 1.5 parts of tris(2-ethylhexyl) phosphate, 2.5 parts of polystyrene, polyglutaryl 0.3 parts of amine, 2 parts of stearyl alcohol, 0.3 parts of silane coupling agent KH-5500, 2 parts of n-octadecyl alcohol ester of β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate; among them, The chlorinated polyvinyl chloride is a modified chlorinated polyviny...

Embodiment 3

[0022] A heat-resistant chlorinated polyvinyl chloride material for power cables proposed by the present invention, its raw materials include the following components in parts by weight: 90 parts of chlorinated polyvinyl chloride, 10 parts of polyvinyl chloride, 2 parts of marble, and 1 part of calcium carbonate , 8 parts of calcined kaolin, 1.5 parts of calcium stearate, 2 parts of zinc stearate, 0.2 parts of dibutyltin dilaurate, 2.3 parts of butyl stearate, 0.3 parts of oxidized polyethylene wax, 20 parts of aluminum hydroxide, hydrogen 15 parts of magnesium oxide, 2.8 parts of tricresyl phosphate, 0.3 parts of bis(2-ethylhexyl)phenyl phosphate, 0.3 parts of tris(2-ethylhexyl) phosphate, 1 part of polystyrene, polyglutaryl 1.5 parts of amine, 0.3 part of stearyl alcohol, 1 part of silane coupling agent KH-5601, 1 part of silane coupling agent A-1511, 0.3 part of N, N'-di-β-naphthyl-p-phenylenediamine; wherein, the Chlorinated polyvinyl chloride is modified chlorinated polyv...

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PUM

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Abstract

The invention discloses a heat-resistant chlorinated polyvinyl chloride material for power cables. The raw material comprises the following components: chlorinated polyvinyl chloride, polyvinyl chloride, marble, calcium carbonate, calcined kaolin, calcium stearate, stearin Zinc acid, dibutyltin dilaurate, butyl stearate, oxidized polyethylene wax, aluminum hydroxide, magnesium hydroxide, tricresyl phosphate, bis(2‑ethylhexyl)phenyl phosphate, tris(2‑ethylhexyl) phosphate Ethylhexyl) ester, polystyrene, polyglutarimide, stearyl alcohol, silane coupling agent, antioxidant. The heat-resistant chlorinated polyvinyl chloride material for power cables proposed by the invention has high strength, good heat resistance and excellent impact resistance, and the cable material made of the material has good comprehensive performance and long service life.

Description

technical field [0001] The invention relates to the technical field of polyvinyl chloride, in particular to a heat-resistant chlorinated polyvinyl chloride material for power cables. Background technique [0002] Chlorinated polyvinyl chloride is a chlorinated product of polyvinyl chloride, which not only maintains the advantages of polyvinyl chloride, but also greatly improves the heat resistance, chemical corrosion resistance, flame retardancy and weather resistance of polyvinyl chloride materials, These good comprehensive properties make chlorinated polyvinyl chloride widely used in pipes, plates, insulating and flame-retardant materials, man-made fibers, blending and modification, etc. Although chlorinated polyvinyl chloride has excellent comprehensive properties, its processing performance is seriously deteriorated due to the high chlorine content of chlorinated polyvinyl chloride, its melt viscosity and processing temperature are high, and its resistance to light and h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/24C08L51/00C08L27/06C08L23/30C08L25/06C08L79/08C08K13/02C08K3/26C08K3/34C08K5/098C08K3/22C08K5/523
Inventor 丁云龙丁筱军
Owner 安徽华润仪表线缆有限公司
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