High-impact-resistance PVC (polyvinyl chloride) sheath material for cables and preparation method thereof

A polyvinyl chloride sheath, high-impact technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of sheath rupture, poor toughness, poor impact resistance, etc., to prolong service life, improve toughness, and good softness sexual effect

Inactive Publication Date: 2014-02-12
WUHU HANGTIAN SPECIAL CABLE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in practical applications, due to the shortcomings of poor toughness and poor impact resistance, the phenomenon of sheath rupture also occurs from time to time. Therefore, the toughness and impact resistance of conventional PVC sheaths need to be improved to meet the application requirements of harsh environments.

Method used

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  • High-impact-resistance PVC (polyvinyl chloride) sheath material for cables and preparation method thereof

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Embodiment Construction

[0010] A high-impact polyvinyl chloride sheath material for cables, which is made of the following raw materials (kg): SG-5 type PVC resin 100, MABS resin 15, BOVC resin 10, di-n-octyltin dilaurate 3, hard Calcium fatty acid 1, zinc stearate 2, oxidized polyethylene wax 4, barium sulfate 15, carbon black N22025, white oil 5, bis(dioctyloxypyrophosphate) ethylene titanate 1.5, epoxy hard Butyl fatty acid 6, triphenyl phosphite 8, tricresyl phosphate 6, asbestos powder 10, calcium sulfate whisker 5, composite filler 4;

[0011] The preparation method of the composite filler is as follows: a. Take bentonite, barite, and monazite in a weight ratio of 4:3:2, then add 2% coal powder and 1% activated carbon by weight of bentonite, and mix them uniformly at 560 ° C. Calcined for 3 hours, cooled to room temperature, crushed to a particle size below 15 μm, then added water to make a slurry with a concentration of 50%, added hydrochloric acid solution with a concentration of 10% to adjus...

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Abstract

The invention discloses a high-impact-resistance PVC (polyvinyl chloride) sheath material for cables and a preparation method thereof. The high-impact-resistance PVC sheath material is prepared from the following raw materials in parts by weight: 80-100 parts of SG-5 PVC resin, 10-15 parts of MABS (methyl methacrylate-acrylonitrile-butadiene-styrene) resin, 5-10 parts of BOVC, 2-3 parts of dioctyltin dilaurate, 1-2 parts of calcium stearate, 1-2 parts of zinc stearate, 3-5 parts of oxidized polyethylene wax, 10-15 parts of barium sulfate, 15-25 parts of carbon black N220, 3-6 parts of white oil, 1-2 parts of bis(P,P-bis-ethylhexyl diphosphato)ethanediolato titanate, 4-8 parts of butyl epoxy stearate, 5-10 parts of triphenyl phosphite, 3-6 parts of tritolyl phosphate, 8-12 parts of pulverized asbestos, 4-6 parts of calcium sulfate whisker and 3-5 parts of composite filler. On the premise of keeping higher strength and favorable flexibility, the toughness of the sheath material disclosed by the invention is enhanced, and the sheath material with excellent toughness enhances the impact resistance and environmental stress crack resistance of the sheath, can effectively resist impact effect of external force so as not to deform or rupture, and prolongs the service life of the sheath.

Description

technical field [0001] The invention relates to a high-impact polyvinyl chloride sheath material for cables and a preparation method thereof, in particular to a high-impact polyvinyl chloride sheath material for cables and a preparation method thereof. Background technique [0002] The cable sheath is an indispensable intermediate structural part of the cable, which plays the role of protecting the cable, ensuring the safety of the cable, and isolating the copper wire from water, air and other media to avoid leakage. PVC sheath is widely used in cable sheathing due to its soft texture, corrosion resistance, flame retardant, good oil resistance, and low price. However, in practical applications, due to the shortcomings of poor toughness and poor impact resistance, the phenomenon of sheath rupture also occurs from time to time. Therefore, the toughness and impact resistance of conventional PVC sheaths need to be improved to meet the application requirements of harsh environmen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06H01B3/44H01B7/17C08K13/04C08K7/12C08K7/08C08K5/57C08K5/098C08K3/30C08K3/04C08K5/1515C08K5/526C08K5/523B29B9/06B29C47/92B29C48/92
CPCB29C48/92B29C2948/92704B29C2948/92923
Inventor 何成龙何源
Owner WUHU HANGTIAN SPECIAL CABLE FACTORY
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