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Environment-friendly ethanol migration resistance elastomer sheathing compound and preparation method thereof

A technology of ethanol resistance and sheath material, which is applied in the direction of conductors, insulated conductors, plastic/resin/wax insulators, etc., can solve the problems of poor ethanol migration resistance, hard sheath material, and poor processability, and achieve excellent ethanol resistance Migration performance, dry effect of discharged powder

Inactive Publication Date: 2013-10-09
JIANGSU DEWEI ADVANCED MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no matter the environment-friendly PVC cable sheathing materials reported by CN101638499A or CN102634127A, their processability is relatively poor, especially when the amount of plasticizer is large, the mixture is not easy to process; in addition, the existing environmental protection The anti-ethanol migration performance of type PVC cable sheathing material is not good, when soaked in ethanol for a period of time, the sheathing material becomes very hard

Method used

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  • Environment-friendly ethanol migration resistance elastomer sheathing compound and preparation method thereof
  • Environment-friendly ethanol migration resistance elastomer sheathing compound and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] This example provides a kind of environment-friendly type anti-ethanol migration resistant elastomeric sheath material, its raw material formula sees Table 1, wherein: plasticizer is polyester plasticizer and epoxidized soybean oil by weight ratio 1.6:1 composition; Stabilizer is Calcium-zinc composite stabilizer; composite lubricant is composed of paraffin wax and oxidized polyethylene wax in a weight ratio of 1:1.2; filler is activated calcium carbonate; antioxidant is phenolic antioxidant; polyvinyl chloride processing aid is ACR-201 .

[0031] The preparation method of the environment-friendly alcohol migration-resistant elastomer sheath material is as follows:

[0032] (1) Add the high-polymerization degree polyvinyl chloride resin powder, the stabilizer, the antioxidant, and the plasticizer of 1 / 2 the formula into the low-speed kneader in sequence, and control the temperature as follows: At about 20±2°C, the stirring speed is 20 rpm, and the stirring speed is con...

Embodiment 2

[0036] This example provides an environment-friendly ethanol migration-resistant elastomer sheath material, and its raw material formula is shown in Table 1, wherein: the plasticizer is composed of polyester plasticizer and epoxy soybean oil in a weight ratio of 5:1; the stabilizer is Calcium-zinc composite stabilizer; composite lubricant is composed of paraffin wax and oxidized polyethylene wax in a weight ratio of 1:0.8; filler is talc powder; antioxidant is amine antioxidant; polyvinyl chloride processing aid is ACR-401.

[0037] The preparation method of the environment-friendly alcohol migration-resistant elastomer sheath material is as follows:

[0038] (1) Add the high-polymerization degree polyvinyl chloride resin powder, the stabilizer, the antioxidant, and 1 / 3 of the plasticizer into the low-speed kneader in sequence, and control the temperature at Between 20°C and 30°C, stir at a speed of 30 rpm, and stir at a constant speed for about 5 minutes to obtain a mixture; ...

Embodiment 3

[0042] This example provides an environmentally friendly ethanol migration-resistant elastomer sheath material. The raw material formula is shown in Table 1, wherein: the plasticizer is composed of polyester plasticizer and DOS in a weight ratio of 10:1; the stabilizer is calcium-zinc composite Stabilizer; composite lubricant is composed of paraffin wax and polyethylene wax in a weight ratio of 1:2; filler is talc powder; antioxidant is amine antioxidant; polyvinyl chloride processing aid is ACR-401.

[0043] The preparation method of the environment-friendly alcohol migration-resistant elastomer sheath material is as follows:

[0044] (1) Add the high-polymerization degree polyvinyl chloride resin powder, the stabilizer, the antioxidant, and 1 / 3 of the plasticizer into the low-speed kneader in sequence, and control the temperature at Between 20°C and 30°C, the stirring speed is 25 rpm, and the stirring speed is constant for about 5 minutes to obtain the mixture;

[0045] (2)...

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Abstract

The invention relates to an environment-friendly ethanol migration resistance elastomer sheathing compound and a preparation method thereof. The environment-friendly ethanol migration resistance elastomer sheathing compound comprises polyvinyl chloride resin, a plasticizer, a stabilizer, a lubricating agent and packing which serve as raw materials, wherein the polyvinyl chloride resin comprises low-polymerization-degree polyvinyl chloride resin powder with the polymerization degree of 1200-1400 and high-polymerization-degree polyvinyl chloride resin powder with the polymerization degree of 2500-3000 according to a weight ratio of 1: (0.8-1.2), and the plasticizer comprises a polyester plasticizer and one or several of trimellitic acid phosphate ester, epoxy soybean oil, dioctyl sebacate, dioctyl phthalate and di-isodecyl phthalate according to a weight ratio of (1.5-15): 1; and the preparation method of the sheathing compound comprises the following steps of: firstly carrying out low-speed kneading, then carrying out high-speed kneading and finally mixing and pelleting. The preparation method can be used for ensuring that the sheathing compound has excellent ethanol migration resistance under the condition of ensuring that the sheathing compound has good mechanical and physical properties and good machining property.

Description

technical field [0001] The invention relates to an environment-friendly cable sheath material and a preparation method thereof. Background technique [0002] In the field of cable sheathing materials, environmentally friendly PVC cable sheathing materials not only have excellent mechanical properties, but also are inexpensive and environmentally friendly, and have become the general trend. Existing environment-friendly polyvinyl chloride cable sheath material, such as the environmental protection polyvinyl chloride cable sheath material disclosed in CN101638499A, consists of 40-45 parts of polyvinyl chloride resin, 5-7 parts of trioctyl trimellitate, 4-6 parts of dioctyl sebacate, 8-10 parts of acetyl tributyl citrate, 5-7 parts of DX-360, 4-6 parts of calcium zinc composite stabilizer, 1-1.5 parts of epoxy soybean oil, trioxide 1-1.5 parts of diantimony, 10-13 parts of magnesium hydroxide, and 10-13 parts of fine calcium carbonate are prepared by batching, mixing and extru...

Claims

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Application Information

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IPC IPC(8): C08L27/06H01B3/44H01B7/17C08K13/02C08K5/521C08K5/1515C08K5/11C08K5/12
Inventor 王兴宁栾珊珊戴红兵张丽本顾金云陈敏李小刚邓之俊
Owner JIANGSU DEWEI ADVANCED MATERIALS
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