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Technology for processing silicane crosslinked ethylene-propylene rubber for cable

An ethylene-propylene rubber and silane cross-linking technology is applied in the field of production technology of silane-cross-linked ethylene-propylene rubber materials, which can solve the problems of high cable length requirements, difficulty in improving work efficiency, complicated processes, etc., and achieves convenient and fast processing, The effect of reducing equipment investment and advanced and simple process

Inactive Publication Date: 2005-11-23
BAOSHENG SCI & TECH INNOVATION
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

This processing technology requires special production equipment, and the process is complex, difficult to control, and requires a high length of cable, so it is difficult to improve work efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] 1. Add 3kg of CT / 1 catalyst masterbatch to 97kg of grafted ethylene-propylene rubber material (referred to as grafting material, used up within 2 to 3 hours after opening the bag), mix it evenly in time, and extrude it with an extruder , to control the temperature of the sections of the extruder: the first zone is 120°C, the second zone is 125°C, the third zone is 130°C, the flange is 150°C, and the head is 155°C. The extruded ethylene-propylene rubber material Immerse in hot water at 60°C to 70°C and cross-link for 3 hours to obtain ethylene-propylene rubber. It is also possible to expose the extruded ethylene-propylene rubber material to low-pressure water vapor for 3 hours of cross-linking, or store it in air at a temperature of 20°C to 25°C and a humidity of 50-70% for five days to obtain Ethylene Propylene Rubber. Propylene rubber.

[0011] 2. Add 2kg of CT / 1 catalyst masterbatch to 96kg of grafted ethylene-propylene rubber material (referred to as grafting materi...

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PUM

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Abstract

The invention relates to a technology for processing silicane crosslinked ethylene-propylene rubber for cables, which comprises charging CT / 1 catalyst agglomerate, CT / 3 black agglomerate, PE color masterbatch into grafted ethylen-propylene rubber material, mixing homogeneously, squeezing with extrusion molding machine, controlling temperature of the extrusion molding machine sections, carrying out silicane lukewarm water cross-linking to the squeezed ethylen-propylene rubber material. The invention can realize the extrusion of ethylen-propylene rubber on the common PVC extrusion molding machines.

Description

technical field [0001] The invention relates to a production method of rubber insulated flexible cable production technology, in particular to a production process method of silane crosslinked ethylene-propylene rubber material, belonging to the industrial technical field of rubber insulated flexible cable production. Background technique [0002] Rubber insulated wires and cables have excellent electrical insulation performance, chemical stability, especially the incomparable flexibility of other types of wires and cables, so they are widely used. Rubber insulated wires and cables are mostly used in mobile occasions, such as ships, mining areas, underground mines, rolling stock, etc. With the development of the rubber industry, various types of synthetic rubber have been continuously developed, such as neoprene, styrene-butadiene rubber, and ethylene-propylene rubber, which are commonly used in wire and cable. The traditional rubber production process used for wire and cab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16
Inventor 房权生庞玉春计初喜俞长生
Owner BAOSHENG SCI & TECH INNOVATION
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