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Modified polyvinyl chloride cable material and preparation method thereof

A technology of polyvinyl chloride cable and polyvinyl chloride resin, which is applied to plastic/resin/wax insulators, organic insulators, etc., can solve the problems such as the lack of matte matte on the rubber surface, unfavorable extrusion molding, complicated process, etc. Achieve the effect of improving mechanical physical and chemical properties, good matte effect, and simple preparation method

Inactive Publication Date: 2014-03-26
苏州德亮材料科技有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

However, only by mixing PVC and nitrile rubber, the extrusion temperature of the modified material is too high, which is not conducive to extrusion molding, and the surface of the modified material is bright, which cannot achieve the matte effect of the rubber surface.
In order to achieve the matting effect, it is usually necessary to use a sanding process to imitate the matte state of the rubber appearance, and the follow-up process is complicated; there is also a large amount of matting agent used to matte, but the method of increasing the matting agent alone can reduce the brightness. But it will lead to loose material, poor connection between mixed materials, low strength, and difficult extrusion molding

Method used

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  • Modified polyvinyl chloride cable material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1-6

[0019] Prepare materials under the implementation of 1-6 items in Table 1, and operate as follows:

[0020] In the kneader, add each raw material component, control the temperature at 90~100°C, stir evenly, send it into the extruder, control the temperature at 140~170°C, plasticize and extrude, granulate, and make a modified PVC cable Materials products, packaging.

[0021] Table 1 Example raw material formula (unit: kg)

[0022]

[0023] The modified polyvinyl chloride cable material sample of the present invention is tested according to the requirements of H-70 in the GB / T 8815-2008 standard, and the test results are shown in the following table:

[0024] .

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Abstract

The invention belongs to the field of cable materials and particularly relates to a modified polyvinyl chloride cable material mainly prepared from the following raw materials in parts by weight: 100 parts of polyvinyl chloride resin, 20-25 parts of powdery acrylonitrile-butadiene rubber, 35-45 parts of plasticizer, 0.1-0.5 part of antiager, 40-50 parts of filler and 15-20 parts of modifier. The modified polyvinyl chloride cable material provided by the invention is modified by using the powdery acrylonitrile-butadiene rubber, and an anti-aging system and the modifier are added, so that the modified material has the double performances of plastics and rubber, is not needed to be vulcanized, can be extruded and molded by using a common plastic extruder and is simple in preparation method.

Description

technical field [0001] The invention belongs to the field of cable materials, and in particular relates to a modified polyvinyl chloride cable material and a preparation method thereof. Background technique [0002] Ordinary polyvinyl chloride (PVC) sheaths are simple to form, but PVC is relatively hard and not wear-resistant enough, so it is usually only used as wire, cable insulation and / or sheath for fixed non-moving occasions. Ordinary rubber cable material is soft and wear-resistant, so it is widely used as wire, cable insulation and / or sheath in mobile applications. However, rubber insulation and / or sheath molding requires high equipment, high equipment investment costs, complex molding process control, and ordinary rubber cable materials are not resistant to oil, acid, and alkali. In order to combine the advantages of both rubber and polyvinyl chloride, it is proposed to mix and modify the two. For example, P101 of "China Plastic Products Formula Encyclopedia" is dis...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L9/02C08L23/08C08K13/02C08K5/12C08K3/26C08K5/134C08K5/32H01B3/44
Inventor 吴宏图曹亮方雅欣
Owner 苏州德亮材料科技有限公司
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