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Formula and processing technology of mine cable sheath

A sheath and formula technology, applied in the field of cable sheath preparation, can solve the problems of no preparation of mine cable sheath, no research on mixed formula, etc., and achieve the effect of easy processing, satisfying use requirements, and high-strength flame-retardant processing.

Pending Publication Date: 2020-12-25
WUHAN RUIQI SPECIAL CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, there is no special research on the mixed formula of neoprene and rubber-plastic alloy, let alone the preparation of mining cable sheaths after mixing the two.

Method used

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  • Formula and processing technology of mine cable sheath
  • Formula and processing technology of mine cable sheath
  • Formula and processing technology of mine cable sheath

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Embodiment 2

[0033]Embodiment 2 is aimed at the production process of the yellow mine cable sheath. The sheath formula in Embodiment 2 specifically includes the following raw materials in parts by mass: 75 parts of neoprene rubber, 28 parts of special aluminum hydroxide, 4 parts of antimony trioxide, rubber 25 parts of plastic alloy, 30 parts of white carbon black, 13 parts of 300# paraffin oil, 6 parts of dioctyl phthalate, 3 parts of benzidine yellow, 1 part of HS-911 anti-aging agent, 8.5 parts of zinc oxide as the vulcanizing agent, 0.5 parts of DCP, 1 part of TMTD, 1.3 parts of vulcanization accelerator DM, 1.3 parts of vulcanization accelerator NA-22, 1 part of silane coupling agent Si-69, 1 part of stearic acid, 0.5 parts of zinc stearate;

[0034] The specific processing technology is as follows:

[0035] (1) convert the mass parts according to the formula into the production formula, and strictly proportion by weight; the neoprene rubber of this embodiment adopts CR322, and the ru...

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PUM

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Abstract

The invention provides a formula and processing technology of a mine cable sheath. The mine cable sheath comprises chloroprene rubber, a flame retardant, a rubber-plastic alloy, a reinforcing agent, asoftening agent, an anti-aging agent, a vulcanizing agent, a vulcanization accelerator, a coupling agent and a processing aid. The preparation method comprises the following steps of: adding the chloroprene rubber, rubber-plastic alloy, vulcanization accelerator, anti-aging agent, processing aid and pigment into mixing equipment, and controlling the temperature to be 45-55 DEG C for mixing the added materials; adding all the flame retardant and 1 / 2 of reinforcing agent, controlling the temperature to be 55-65 DEG C for performing mixing; adding all the softening agent and the rest 1 / 2 reinforcing agent, controlling the temperature to be 70-80 DEG C for performing mixing; adding all the vulcanizing agent and the coupling agent, and continuously performing mixing, discharging a product at the temperature of 80-85 DEG C; preparing the product into a rubber sheet at the temperature of 45-55 DEG C by using an open mill; extruding a vulcanized ore cable sheath finished product on a continuous vulcanization production line. The rubber-plastic alloy and the chloroprene rubber are blended to replace part of the chloroprene rubber to be used in the formula of the mine cable sheath, so thatthe high-performance cable sheath is produced, the processing technology is improved, and the product cost is reduced.

Description

technical field [0001] The invention relates to a preparation method of a cable sheath, in particular to a formula of a mine cable sheath and a processing technology thereof. Background technique [0002] Neoprene has been chosen as the main material in the formulation of mining cable sheaths for a long time. Neoprene has excellent performance and cannot be replaced by other rubber types. Glue burning, high storage temperature or long storage time of the mixed finished rubber will cause glue burning, resulting in difficulties in subsequent processing or losses caused by scrapping the rubber. A mine cable sheath formulation of the present invention solves the above problems well through the combination of rubber-plastic alloy and chloroprene rubber and the mine cable sheath formulation and processing technology. The rubber-plastic alloy is a nitrile-polyvinyl chloride compound (NBR / PVC), which is obtained by blending nitrile rubber with 30%-50% polyvinyl chloride resin, and ...

Claims

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Application Information

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IPC IPC(8): C08L11/00C08L9/02C08L27/06C08L91/06C08K13/04C08K3/22C08K7/26C08K3/04C08K5/14C08K5/09C08K5/098C08K5/47C08K5/12C08K5/40
CPCC08L11/00C08L2201/02C08L2203/202C08L2205/035C08K2003/2296C08K2003/2227C08L9/02C08L27/06C08L91/06C08K13/04C08K3/22C08K3/2279C08K7/26C08K3/04C08K5/14C08K5/09C08K5/098C08K5/47C08K5/12C08K5/40
Inventor 武现军周勇华周华范香雪
Owner WUHAN RUIQI SPECIAL CABLE
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