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Water-vapor-resisting inflaming retarding PVC protecting sleeve material

A sheath material, water vapor technology, applied in the direction of plastic/resin/wax insulators, organic insulators, conductors, etc., can solve the problems of unqualified thermal deformation, rising costs, and difficulty in meeting product performance requirements, and achieve stable electrical performance. The effect of improving compactness and improving hydrophobicity

Inactive Publication Date: 2015-09-30
SUZHOU HENGLI COMM MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to find the existing technology from the literature, but generally using high-quality plasticizers, reducing or not using fillers, the product index performance is still difficult to meet the requirements, and it is easy to cause thermal deformation and other indicators to fail, and the cost rises and other problems

Method used

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  • Water-vapor-resisting inflaming retarding PVC protecting sleeve material
  • Water-vapor-resisting inflaming retarding PVC protecting sleeve material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1~3

[0027] Embodiments 1 to 3: A water vapor-resistant flame-retardant PVC sheath material, the flame-retardant PVC sheath material is composed of the following components by weight as shown in Table 1:

[0028] Table 1

[0029]

[0030] All the above are parts by weight.

[0031] The above-mentioned silane coupling agent is vinyl tris(β-methoxyethoxy) silane, vinyl trimethoxy silane or γ-glycidyl etheroxypropyl trimethoxy silane.

[0032] The above-mentioned silane coupling agent is vinyl tris (β-methoxyethoxy) silane, vinyl trimethoxy silane and γ-glycidyl etheroxypropyl trimethoxy silane mixed in a ratio of 10:5:3 by weight .

[0033] Above-mentioned lubricant embodiment 1 is polyethylene wax, lubricant embodiment 2 is stearic acid, lubricant embodiment 3 is the compound of polyethylene wax and stearic acid.

[0034] The above antioxidant embodiment 1 is tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester, embo...

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Abstract

The invention provides a waterproof and antiflaming PVC (polyvinyl chloride) cable material and a preparation technology thereof. The waterproof and antiflaming PVC cable material comprises the following components in parts by weight: 55-65 parts of PVC of degree of polymerization of 590-720, 35-45 parts of PVC of degree of polymerization of 1110-1340, 20-30 parts of trioctyl trimellitate, 15-25 parts of didecyl phthalate,5-10 parts of environmental protection calcium and zinc compound stabilizer, 5-10 parts of compound rare earth stabilizer, 4-8 parts of antimonous oxide, 0.3-1 parts of lubricant, 0.1-0.5 parts of antioxygen, 3.5-7 parts of nano barium sulfate, 2.6-5.2 parts of calcined kaolin, 3.5-7 parts of nano silica, and 0.18-0.36 parts of silane coupling agent, wherein the silane coupling agent is vinyl (beta-methoxy-ethoxy) silane, vinyl trimethoxy silane or gamma-glycidyl ether oxygen propyl three methoxy-silane. The hydroscopicity of a cable jacket is greatly lowered, when the cable material is used in wet or soaking environment, the stable property of electric is further improved and does not change generally, and the compact of the product is improved and the micropores of the material are removed.

Description

technical field [0001] The invention relates to a PVC cable material and a preparation process thereof, in particular to a moisture-resistant and flame-retardant PVC sheath material. Background technique [0002] PVC cable material is currently a common cable insulation material used in the cable industry. It has excellent mechanical properties, good electrical properties, good oxidation resistance, light resistance and corrosion resistance. With the widespread application of PVC cable materials in the fields of high-rise buildings, electronic components, automobiles and aerospace industries, the requirements for the flame retardancy of cable materials are also getting higher and higher. Due to its good mechanical and physical properties, electrical properties, simple processing technology, excellent processing performance and low price, PVC cable material has always been in the forefront of the cable material industry and is widely used. PVC cable materials are generally u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08K13/06C08K9/06C08K9/00C08K5/12C08K3/22C08K3/30C08K3/34C08K3/36H01B3/44H01B7/17
CPCC08K2201/011C08L27/06C08L2201/02C08L2203/202C08L2205/025C08L2205/03H01B3/443H01B7/17H01B7/18C08K13/06C08K9/06C08K9/00C08K5/12C08K3/2279C08K2003/3045C08K3/346C08K3/36C08L23/06C08K5/09
Inventor 程晓松于德宝孙玉萍
Owner SUZHOU HENGLI COMM MATERIAL
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