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Flame-retardant cable protective cover and preparation method thereof

A technology for flame-retardant cables and protective sleeves, applied in the direction of plastic/resin/wax insulators, organic insulators, etc., can solve problems such as unstable performance, poor flame-retardant performance, and poor weather resistance, and achieve excellent performance, good flame-retardant performance, Smooth and delicate surface effect

Inactive Publication Date: 2018-07-13
HEFEI SHANGQIANG ELECTRIC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The cable protective sheath in the prior art has poor flame retardancy, poor weather resistance, and unstable performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] This embodiment relates to a flame-retardant cable protective sheath, which includes the following raw materials in parts by weight: 20 parts of polyvinyl chloride resin, 15 parts of polypropylene resin, 12 parts of neoprene rubber, 8 parts of natural rubber, 7 parts of activated calcium carbonate, three 2 parts of antimony oxide, 3 parts of zinc oxide, 3 parts of paraffin, 1 part of stearic acid, 2 parts of antioxidant, 2 parts of plasticizer, 6 parts of modified montmorillonite, 4 parts of high wear-resistant carbon black.

[0028] Wherein, the plasticizer is dioctyl terephthalate.

[0029] Wherein, the antioxidant is tetrakis[methyl-β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester.

[0030] Wherein, the modified montmorillonite is prepared by the following method:

[0031] (1) Soak montmorillonite with 13% hydrochloric acid for 3 hours, wash with deionized water, then soak with 11% sodium hydroxide solution for 3 hours, then wash with deionized ...

Embodiment 2

[0041] This embodiment relates to a flame retardant cable protective sheath, comprising the following raw materials in parts by weight: 30 parts of polyvinyl chloride resin, 26 parts of polypropylene resin, 19 parts of neoprene rubber, 13 parts of natural rubber, 14 parts of activated calcium carbonate, three 6 parts of antimony oxide, 5 parts of zinc oxide, 7 parts of paraffin, 3 parts of stearic acid, 4 parts of antioxidant, 5 parts of plasticizer, 12 parts of modified montmorillonite, and 8 parts of high wear-resistant carbon black.

[0042] Wherein, the plasticizer is dioctyl terephthalate.

[0043] Wherein, the antioxidant is tetrakis[methyl-β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester.

[0044] Wherein, the modified montmorillonite is prepared by the following method:

[0045] (1) Soak montmorillonite with 13% hydrochloric acid for 3 hours, wash with deionized water, then soak with 11% sodium hydroxide solution for 3 hours, then wash with deioni...

Embodiment 3

[0055] This embodiment relates to a flame retardant cable protective sheath, comprising the following raw materials in parts by weight: 23 parts of polyvinyl chloride resin, 18 parts of polypropylene resin, 15 parts of neoprene rubber, 10 parts of natural rubber, 9 parts of activated calcium carbonate, three 3 parts of antimony oxide, 3.6 parts of zinc oxide, 4 parts of paraffin, 1.3 parts of stearic acid, 2.5 parts of antioxidant, 3 parts of plasticizer, 8 parts of modified montmorillonite, and 5 parts of high wear-resistant carbon black.

[0056] Wherein, the plasticizer is dioctyl terephthalate.

[0057] Wherein, the antioxidant is tetrakis[methyl-β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester.

[0058] Wherein, the modified montmorillonite is prepared by the following method:

[0059] (1) Soak montmorillonite with 13% hydrochloric acid for 3 hours, wash with deionized water, then soak with 11% sodium hydroxide solution for 3 hours, then wash with de...

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PUM

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Abstract

The invention discloses a flame-retardant cable protective cover. The flame-retardant cable protective cover is prepared from the following raw materials in part by weight: 20-30 parts of polyvinyl chloride resin, 15-26 parts of polypropylene resin, 12-19 parts of chloroprene rubber, 8-13 parts of natural rubber, 7-14 parts of active calcium carbonate, 2-6 parts of antimonous oxide, 3-5 parts of zinc oxide, 3-7 parts of paraffin, 1-3 parts of stearic acid, 2-4 parts of antioxidant, 2-5 parts of plasticizing agent, 6-12 parts of modified montmorillonoid, and 4-8 parts of high-abrasive carbon black. The flame-retardant cable protective cover disclosed by the invention is good in flame retardance, good in weather resistance and mechanical property, and good in stability.

Description

technical field [0001] The invention belongs to the technical field of cables, and in particular relates to a flame-retardant cable protective cover and a preparation method thereof. Background technique [0002] With the rapid development of the economy, wires and cables are widely used in various industries and fields. The cable sheath material is located outside the cable core material. The cable sheath material and the conductive core material inside the cable together constitute the cable, which improves the flexibility and strength of the cable sheath material and is conducive to the long-term use of the cable material in electrical engineering. [0003] The cable protective sheath in the prior art has poor flame retardancy, poor weather resistance and unstable performance. Contents of the invention [0004] The invention provides a flame-retardant cable protective sheath and a preparation method thereof, which solves the problems in the above-mentioned background t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L23/12C08L11/00C08L7/00C08L91/06C08K13/06C08K9/02C08K9/04C08K3/34C08K3/04C08K5/12C08K5/134C08K5/09C08K3/22C08K3/26H01B3/44
CPCC08L27/06C08K2003/2296C08K2003/265C08L2201/02C08L2203/202C08L2205/035H01B3/441H01B3/443C08L23/12C08L11/00C08L7/00C08L91/06C08K13/06C08K9/02C08K9/04C08K3/346C08K3/04C08K5/12C08K5/1345C08K5/09C08K3/22C08K3/2279C08K3/26
Inventor 程劲松
Owner HEFEI SHANGQIANG ELECTRIC TECH CO LTD
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