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Low-cost flame-retardant photovoltaic cable with good thermal stability

A thermal stability, photovoltaic cable technology, applied in rubber insulators, organic insulators, etc., can solve the problems of high cost, unsuitable for large-scale production and quantification, and achieve the effects of short time, excellent aging resistance, and not easy to break

Inactive Publication Date: 2018-02-09
安徽伙伴电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the photovoltaic cable industry, cable materials that can pass the standard 250°C thermal extension test have high costs and are not suitable for mass production and quantification

Method used

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  • Low-cost flame-retardant photovoltaic cable with good thermal stability

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A low-cost, flame-retardant and thermally stable photovoltaic cable, including a cable core and a sheath layer coated on the outside of the cable core. The raw materials of the sheath layer include by weight: 110 parts of base material, 0.18 parts of maleic anhydride, two 0.4 parts of butyltin dilaurate, 2.5 parts of crosslinking agent, 1 part of glycerin, 0.8 parts of 4-methyl-2-pentanol, 1 part of pentaerythritol, 50 parts of modified bamboo powder, 28 parts of microencapsulated red phosphorus, 18 parts of magnesium hydroxide, 2 parts of zinc borate, 8 parts of talcum powder, and 3 parts of medical stone powder.

Embodiment 2

[0016] A low-cost, flame-retardant and thermally stable photovoltaic cable, including a cable core and a sheath layer coated on the outside of the cable core. The raw materials of the sheath layer include by weight: 130 parts of base material, 0.1 part of maleic anhydride, two 1 part of butyl tin dilaurate, 1.5 parts of crosslinking agent, 2 parts of glycerin, 0.2 parts of 4-methyl-2-pentanol, 2 parts of pentaerythritol, 30 parts of modified bamboo powder, 40 parts of microencapsulated red phosphorus, Magnesium hydroxide 15 parts, zinc borate 4 parts, talcum powder 3 parts, medical stone powder 6 parts.

[0017] The modified bamboo powder is prepared by the following process: sodium methoxide, polyethylene glycol 200, and methyl palmitate are heated up, stirred in a vacuum, added with bamboo powder and water, stirred, filtered, washed, added with titanium sulfate, urea, and water, and mixed evenly. Put it into a hydrothermal reaction kettle and seal it, heat up to carry out hy...

Embodiment 3

[0019] A low-cost, flame-retardant and thermally stable photovoltaic cable, including a cable core and a sheath layer coated on the outside of the cable core. The raw materials of the sheath layer include by weight: 115 parts of base material, 0.16 parts of maleic anhydride, di 0.6 parts of butyltin dilaurate, 2.2 parts of crosslinking agent, 1.2 parts of glycerin, 0.6 parts of 4-methyl-2-pentanol, 1.2 parts of pentaerythritol, 45 parts of modified bamboo powder, 30 parts of microencapsulated red phosphorus, Magnesium hydroxide 17 parts, zinc borate 2.5 parts, talcum powder 6 parts, medical stone powder 4 parts.

[0020] The base material includes by weight: 30 parts of nitrile silicone rubber, 40 parts of polyurethane rubber, and 15 parts of styrene-butadiene rubber. The crosslinking agent comprises by weight: 1 part of dibenzoyl peroxide, and 0.1 part of accelerator TMTD.

[0021] The modified bamboo powder is prepared by the following process: sodium methoxide, polyethylen...

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PUM

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Abstract

The invention discloses a low-cost flame-retardant photovoltaic cable with good thermal stability. The cable comprises a cable core and a sheath layer coating the outer side of the cable core, whereinthe sheath layer is prepared from the raw materials in parts by weight: 110-130 parts of substrate, 0.1-0.18 part of maleic anhydride, 0.4-1 part of tin dibutyl dilaurate, 1.5-2.5 parts of cross-linker, 1-2 parts of glycerine, 0.2-0.8 part of 4-methyl-2-pentanol, 1-2 parts of pentaerythritol, 30-50 parts of modified bamboo powder, 28-40 parts of micro-capsulated red phosphorus, 15-18 parts of magnesium hydroxide, 2-4 parts of zinc borate, 3-8 parts of talcum powder and 3-6 parts of maifanite powder. The modified bamboo powder is prepared through the following processes: subjecting sodium methylate, polyethylene glycol 200 and methyl palmitate to heating and vacuum stirring, adding bamboo powder and water into the mixture, carrying out stirring, carrying out filtering, carrying out washing, adding titanium sulfate, urea and water, carrying out uniform mixing, feeding the mixture into a hydrothermal reactor, carrying out sealing, carrying out heating, carrying out a hydrothermal reaction, carrying out cooling, carrying out filtering, carrying out washing, and carrying out drying.

Description

technical field [0001] The invention relates to the technical field of photovoltaic cables, in particular to a low-cost, flame-retardant and thermally stable photovoltaic cable. Background technique [0002] With the rapid development of the wire and cable industry, the performance requirements for cable products are also getting higher and higher. Especially in the photovoltaic cable industry that has developed rapidly in recent years, the environment in which photovoltaic cables are used is relatively harsh, and they are often exposed to high and low temperature, chemical corrosion, ultraviolet radiation and other environments. In the photovoltaic cable industry, cable materials that can pass the standard 250°C thermal extension test have high costs and are not suitable for mass production and quantification. How to prepare a photovoltaic cable with low cost and excellent flame retardancy is an urgent task. Contents of the invention [0003] Based on the technical prob...

Claims

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Application Information

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IPC IPC(8): C08L75/04C08L83/08C08L9/06C08L97/02C08K13/06C08K9/10C08K3/02C08K3/22C08K3/34C08K5/053C08K3/38H01B3/28
CPCC08K2003/026C08K2003/2224C08K2003/387C08K2201/014C08L75/04C08L83/08C08L2201/02C08L2201/08C08L2203/202C08L2205/035C08L2205/16H01B3/28C08L9/06C08L97/02C08K13/06C08K9/10C08K3/02C08K3/22C08K3/346C08K5/053C08K3/34C08K3/38
Inventor 童茜黄海琴邵立忠
Owner 安徽伙伴电气有限公司
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