Environmental-friendly ultraviolet-resistant sheath material and cable

A technology of UV resistance and sheath material, which is applied in the field of sheath material and cables, can solve the problems of unsatisfactory UV resistance and achieve the effects of sun protection, good insulation performance, and good forming and processing performance

Inactive Publication Date: 2014-09-03
广东金胜电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] And, the polyvinyl chloride sheathing material in

Method used

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  • Environmental-friendly ultraviolet-resistant sheath material and cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0020] Each raw material was weighed according to the data corresponding to Examples 1-5 in Table 1. The raw materials are mixed on a high-speed mixer for 8 minutes, and then plasticized and granulated on a two-stage screw extruder with an extrusion temperature of 150°C to obtain the environmentally friendly UV-resistant sheath material of the present invention.

[0021] Then the environment-friendly UV-resistant sheath material was molded on a press at 170°C for 15 minutes to make test pieces for experimentation.

[0022] Table 1: Formula table of environmental protection UV resistant sheathing material Unit: kg

[0023]

Embodiment 6

[0025] The cable is prepared by a general method in the field, and the environmental protection UV-resistant sheath material of Examples 1-5 is prepared as the sheath of the cable.

[0026] Specifically, coaxial cables can be prepared. The coaxial cable is composed of an inner conductor, an insulating layer, an outer conductor, and an environment-friendly UV-resistant sheath made of the materials of Examples 1-5 from the inside to the outside.

Embodiment 2

[0028] The sheath material of embodiment 2, oxygen index 36%, volume resistivity 3.1 * 10 13 Ω.m.

[0029] The sheath materials of Examples 1-5 all passed the heat aging test at 145°C×168h. The sheath material of Comparative Example 1 failed the heat aging test at 145°C×168h.

[0030] It can be seen that the environment-friendly UV-resistant sheathing material of the present invention is environmentally friendly and resistant to sunlight in the use environment.

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Abstract

The invention discloses an environmental-friendly ultraviolet-resistant sheath material and a cable. The sheath material comprises following raw materials by weight: 50 parts of PVC resin, 6-10 parts of dioctyl phthalate, 4-10 parts of trioctyl trimellitate, 4-6 parts of dioctyl sebacate, 2-4 parts of calcium stearate, 2-4 parts of zinc stearate, 0.5-2.5 parts of epoxy soybean oil, 0.2-0.8 part of an anti-oxidant, 4-10 parts of calcium carbonate, 1-3 parts of antimony oxide, 4-8 parts of magnesium hydroxide, 8-10 parts of titanium dioxide, 0.1-0.3 part of 2,4-dihydroxybenzophenone and 0.1-0.3 part of 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-phenol. The sheath material has characteristics of good solarization resistance, good insulation properties and good shaping and processing properties.

Description

technical field [0001] The invention relates to a sheath material and a cable, in particular to an environment-friendly ultraviolet-resistant sheath material and a cable. Background technique [0002] PVC sheath material is based on polyvinyl chloride resin, adding stabilizers, dioctyl phthalate, diisodecyl phthalate, dioctyl terephthalate, trioctyl trimellitate Plasticizers such as esters, inorganic fillers such as calcium carbonate, additives such as additives and lubricants, particles prepared by mixing, kneading and extruding. [0003] The traditional PVC wire sheathing material has become an important factor restricting the application of wire and cable in electrical equipment, infrastructure, infrastructure and other occasions due to the presence of a certain amount of harmful substances such as heavy metal elements. In order to protect human health, maintain the ecological environment, reduce threats and pollution to the social environment, and realize sustainable de...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08K13/02C08K5/12C08K5/11C08K3/26C08K3/22C08K5/098C08K5/1545C08K5/1565C08K5/20
Inventor 黄毅
Owner 广东金胜电缆有限公司
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