Novel outdoor power cable sheath material preventing moths and mildew and preparing method thereof

A technology for power cables and sheathing materials, which is used in insulated cables, cables, circuits, etc., can solve the problems of thick smoke, toxic gases, and high prices, and achieve the advantages of convenient process, reduced heat release rate, and increased carbon formation. Effect

Inactive Publication Date: 2015-12-16
ANHUI HUININGELECTRIC INSTR & APPLIANCE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The oxygen index of polyether polyurethane material is only 18%, which is a flammable material, and it has thick smoke accompanied by toxic gas and severe molten droplets when burned, and the price of polyurethane i

Method used

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Examples

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Example Embodiment

[0014] A novel insect-proof and mildew-proof outdoor power cable sheathing material is prepared from the following raw materials in parts by weight (kg): polyether polyurethane 100, aluminum diethylphosphinate 20, melamine cyanurate 17, aluminum titanate 4.3, PVC50, crosslinking agent TAIC1.6, calcium stearate 6, acetyl tributyl citrate 20, capsaicin 0.5, imidacloprid 0.2, methyltrimethoxysilane 1, liquid silica gel 2, zeolite molecular sieve 9, OBPA Mildew agent 1.5, methyl silicone oil 3, high wear-resistant carbon black 6.

[0015] The novel anti-insect and mildew-proof outdoor power cable sheathing material is prepared by the following specific steps:

[0016] (1) Put aluminum diethylphosphinate, melamine cyanurate, aluminum titanate, and half of calcium stearate into a high-speed mixer, stir at a speed of 1000 rpm for 10 minutes at room temperature, and then heat to 80°C, stirring at 1200 rpm for 15 minutes to obtain a uniformly dispersed compound flame retardant; place ...

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Abstract

The invention discloses a novel outdoor power cable sheath material preventing moths and mildew. The material is characterized by being prepared from, by weight, 100-102 parts of polyether urethane, 20-21.5 parts of aluminum diethylphosphinate, 17-18 parts of melamine cyanurate, 4.3-4.5 parts of aluminum titanate, 50-52 parts of PVC, 1.6-1.8 parts of cross-linking agent TAIC, 6-7 parts of calcium stearate, 20-22 parts of acetyl tributyl citrate, 0.5-0.6 part of capsaicine, 0.2-0.3 part of imidacloprid, 1-1.2 parts of methyltrimethoxysilane, 2-3 parts of liquid silicone rubber, 9-11 parts of zeolite molecular sieves, 1.5-2 parts of OBPA mildew preventing agents, 3-4 parts of methyl silicone oil and 6-7 parts of high-abrasion-resistance carbon black. The prepared material has excellent flame-retardant performance and is excellent in moth preventing property, mildew preventing property and mechanical property, the technology can be controlled conveniently in an industrialized mode, and the material is suitable for outdoor cables.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a novel insect-proof and mildew-proof outdoor power cable sheath material and a preparation method thereof. Background technique [0002] Thermoplastic polyurethane is an elastomer material polymerized by diisocyanate, polyol and chain extender. It has the characteristics of high strength, high elasticity, wear resistance, oil resistance, weather resistance, low temperature resistance, softness, etc. It is a combination of any rubber and plastic. Not fully available. According to the molecular structure, it can be divided into two categories: polyether type and polyester type. Due to the complex use environment of cables, the required service life is more than 10 years, while polyester polyurethane has poor high temperature hydrolysis resistance and low temperature flexibility. The performance is not as good as that of polyether type, so polyether type polyurethane mat...

Claims

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Application Information

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IPC IPC(8): C08L75/08C08L27/06C08K13/06C08K9/12C08K5/5313C08K5/3492C08K5/10C08K5/098C08K5/11C08J3/22H01B3/30H01B7/17H01B7/295
Inventor 张元船赵欣泰杨茂明华齐东
Owner ANHUI HUININGELECTRIC INSTR & APPLIANCE GRP
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