Environmental-friendly termite-resistant cable sheath insulating material and method for preparing same
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A technology of cable sheathing and insulating materials, applied in the direction of insulated conductors, insulated cables, rubber insulators, etc., can solve compatibility, low temperature resistance, compression set resistance, heat aging performance reduction, low tear resistance, water resistance low shrinkage, excellent physical properties, and good compactness
Inactive Publication Date: 2013-03-27
安徽文峰电子科技集团有限公司
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With the increase of chlorine content, the compatibility of plasticizer, low temperature resistance, compression set resistance, thermal aging performance, etc. decrease, and the water resistance is poor. When the temperature is relatively low, the material itself is relatively hard, low in elasticity and brittle. Large, low tear resistance
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Embodiment 1
[0017] An environmentally friendly and termite-proof cable sheath insulation material, which is composed of the following raw materials in parts by weight (kg):
[0019] The preparation method of the modified calcium carbonate is as follows: mix quicklime and boiled water at a mass ratio of 1:10, digest for 5 hours, filter and remove slag through a 180 μm resonance sieve, and then further remove slag through a hydrocyclone to obtain Ca(OH) 2 Suspension, in Ca(O...
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Abstract
The invention discloses an environmentally-friendly termite-resistant cable sheath insulating material and a preparation method thereof. The material is prepared from the following raw materials in parts by weight: 90-97 parts of chloroprene rubber (CR) 121, 15-21 parts of chlorinated polyethylene, 15-22 parts of semi-reinforcing purpose furnace black N774, 2-3 parts of magnesium oxide, 2-5 parts of glass powder, 30-35 parts of barite powder, 1-2 of anti-aging agent MB, 1-2 of N-(beta-aminoethyl)-gamma-3-aminopropyltrimethoxysilane, 0.9-1.4 of poly(1, 2-propylene glycol adipate, 5-77 parts of dioctyl maleate, 1-2 parts of accelerator DM, 0.8-1 part of dibasic lead phosphite, 12-18.4 parts of hydrotalcite, 1-3 parts of 4, 4'-oxybis(benzenesulfonyl hydrazide), 2-4 parts of antioxidant DSTP, 4-6 parts of glass powder, 0.8-1 part of zinc oxide, 2-3 parts of modified calcium carbonate, 5-6 parts of antimony oxide, 3-5 parts of ethylene thiourea and 0.8-1 part of modified bentonite. The produced environmentally-friendly termite-resistant cable sheath insulating material has excellent physical performance, stable dimensions and low shrinkage factor, and the tensile strength, tear resistance and elastic force performance of a product are all greatly improved.
Description
technical field [0001] The invention mainly relates to a rubber sheath material and a preparation method thereof, in particular to an environment-friendly termite-proof cable sheath insulation material and a preparation method thereof. Background technique [0002] At present, the main materials commonly used in China as cable sheaths are neoprene, chlorosulfonated polyethylene rubber, etc., and the structural components of each material are different and their properties are also different. Chlorinated polyethylene compound is a kind of saturated chlorine-containing rubber, which partially retains the properties of polyethylene, and its elasticity and thermal stability decrease, and the substance becomes a semi-rigid material and loses its elasticity. With the increase of chlorine content, the compatibility of plasticizer, low temperature resistance, compression set resistance, thermal aging performance, etc. decrease, and the water resistance is poor. When the temperature ...
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