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High-fire-retardant and corrosion-resistant rubber sleeve for cable and preparation method of rubber sleeve

A high flame-retardant and corrosion-resistant technology, applied in the field of high flame-retardant and corrosion-resistant rubber sleeve for cables and its preparation, can solve the problems of harsh processing requirements and complex processing technology, and achieve high flame-retardant performance and corrosion-resistant performance. , to avoid the complex effect of the operation process

Inactive Publication Date: 2015-07-01
WUHU HANGTIAN SPECIAL CABLE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned prior art, the purpose of the present invention is to overcome the problems in the prior art that the processing technology of rubber sleeves with good performance such as high elasticity and flexibility is complex and the processing requirements are harsh, so as to provide a rubber sleeve that is easy to process and has good performance after processing. , a high flame-retardant and corrosion-resistant rubber sleeve for cables with good oil resistance, high elasticity, softness, high flame retardancy and corrosion resistance and preparation method thereof

Method used

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  • High-fire-retardant and corrosion-resistant rubber sleeve for cable and preparation method of rubber sleeve

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preparation example Construction

[0015] The invention provides a method for preparing a high flame-retardant and corrosion-resistant rubber sheath for cables, wherein the preparation method comprises:

[0016] (1) mixing and melting chlorosulfonated polyethylene and epoxy resin to obtain a mixture M1;

[0017] (2) After adding zinc oxide, magnesium oxide, stearic acid, anti-aging agent and accelerator to the mixture M1, smelting is carried out to obtain the mixture M2;

[0018] (3) extruding the mixture M2 to obtain the prototype of the rubber sleeve;

[0019] (4) irradiating the prototype of the rubber sleeve to obtain a high flame-retardant and corrosion-resistant rubber sleeve for cables; wherein,

[0020] Relative to 100 parts by weight of the chlorosulfonated polyethylene, the amount of the epoxy resin is 5-40 parts by weight, the amount of zinc oxide is 5-20 parts by weight, and the amount of magnesium oxide is 3-40 parts by weight. 15 parts by weight, the amount of the stearic acid is 1-10 parts by w...

Embodiment 1

[0033] Mix 100g of chlorosulfonated polyethylene and 15g of epoxy resin and put it in an environment with a temperature of 150°C for melting to obtain a mixture M1; add 10g of zinc oxide, 8g of magnesium oxide, 3g of stearic acid, and 1g of anti-aging agent to the mixture M1 After mixing with 1g of accelerator, put it in an environment with a temperature of 180°C for melting to obtain the mixture M2; extrude the mixture M2 to obtain the prototype of the rubber sleeve; irradiate the prototype of the rubber sleeve with β-rays to obtain a high flame-retardant cable. Corrosion-resistant rubber sleeve A1.

Embodiment 2

[0035] Mix 100g of chlorosulfonated polyethylene and 25g of epoxy resin and put it in an environment with a temperature of 350°C for melting to obtain a mixture M1; add 15g of zinc oxide, 12g of magnesium oxide, 7g of stearic acid, and 3g of anti-aging agent to the mixture M1 After mixing with 3g of accelerator, put it in the environment with a temperature of 400°C for melting to obtain the mixture M2; extrude the mixture M2 to obtain the prototype of the rubber sleeve; irradiate the prototype of the rubber sleeve with β-rays to obtain a high flame-retardant cable. Corrosion-resistant rubber sleeve A2.

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Abstract

The invention discloses a high-fire-retardant and corrosion-resistant rubber sleeve for a cable and a preparation method of the rubber sleeve. The method comprises the following steps: mixing and smelting chlorosulfonated polyethylene and epoxy resin to obtain a mixture M1; adding zinc oxide, magnesium oxide, stearic acid, an antiager and an accelerant to the mixture M1; smelting to obtain a mixture M2; extruding the mixture M2 to form a primary shape of the rubber sleeve; and radiating the primary shape of the rubber sleeve to obtain the high-fire-retardant and corrosion-resistant rubber sleeve for the cable, wherein the materials added in parts by weight according to 100 parts by weight of chlorosulfonated polyethylene include 5 to 40 parts of epoxy resin, 5 to 20 parts of zinc oxide, 3 to 15 parts of magnesium oxide, 1 to 10 parts of stearic acid, 0.1 to 5 parts of antiager, and 0.1 to 5 parts of accelerant. According to the design, the rubber sleeve gains the performances of oil resistance, high elasticity, softness, high fire retardant performance and corrosion resistance; in addition, complex operation process is avoided; the simple, convenient and easy operation effect is achieved.

Description

technical field [0001] The invention relates to the field of manufacturing rubber sheaths for cables, in particular to a high flame-retardant and corrosion-resistant rubber sheath for cables and a preparation method thereof. Background technique [0002] Because of its good flexibility and elasticity, rubber-like materials are widely used in cable sheaths, and rubber-like materials can also adjust their performance according to actual conditions. However, because most of them are extruded and vulcanized, the vulcanization process is complicated and the equipment takes up a lot of space. Generally, manufacturers do not have this production capacity, especially this kind of process has strict requirements on the internal insulating materials. , when the vulcanization is carried out after the rubber sleeve is extruded, due to the high temperature during vulcanization and the long pipeline, it is very easy to cause the insulation layer to melt and stick, and then lose the insula...

Claims

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Application Information

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IPC IPC(8): C08L23/34C08L63/00C08K13/02C08K3/22C08K5/09C08J7/12H01B7/17
CPCC08L23/34B29C35/08C08L2201/02C08L2203/202H01B3/443H01B7/18H01B7/295
Inventor 杨趁芬龚世余何成龙吴天凤张先祥
Owner WUHU HANGTIAN SPECIAL CABLE FACTORY
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