Waterproof chemical-corrosion-resistant heat tracing cable sheath material and preparation method thereof
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A technology for chemical-resistant and heat-tracing cables, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of poor water resistance and chemical corrosion resistance, and easy damage to the sheath layer, and achieve excellent mechanical damage resistance and waterproof Strong performance and good chemical corrosion resistance
Inactive Publication Date: 2015-04-01
ANHUI ANNENG CABLE
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At present, the sheath material of heat tracing cables on the market has the disadvantages of poor water resistance and chemical corrosion resistance, and the sheath layer is easily damaged when working under water, acid, alkali, and salt medium for a long time
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[0013] A waterproof and chemical-resistant heat tracing cable sheathing material, made of the following raw materials in weight (kg): high-density polyethylene 45, polyethylene terephthalate-1,4-cyclohexane dimethanol ester 28. Random copolymer polypropylene 22, silica fume powder 16, alum powder 12, tribasic calcium phosphate 4.5, zinc hydroxystannate 6, polymethyltriethoxysilane 2.5, basalt fiber powder 18, barium naphthenate 2. Calcium rosinate 3.5, dioctyl terephthalate 12, strontium hydroxide 8, N-hydroxymethyl stearamide 4, tricresyl phosphate 10, calcium borate 12, 4-chloro-N-(stearyl) Amidomethyl) pyridine 1.5, auxiliary 3.5;
[0014] The preparation method of the auxiliary agent is as follows: (1) Take the following raw materials by weight (kg): thiourea dioxide 2, calcium sulfite 5, chloro bridge acid anhydride 3, flue ash 10, ethylhexyl palmitate 2, succinic acid Diethyl ester 4, aluminum titanate 6, chromium chloride methacrylate complex 2, sucrose benzoate 3,...
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Abstract
The invention discloses a waterproof chemical-corrosion-resistant heat tracing cable sheath material and a preparation method thereof, the waterproof chemical-corrosion-resistant heat tracing cable sheath material comprises the following raw materials by weight: 38-56 parts of high density polyethylene, 22-34 parts of polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol ester, 18-26 parts of polypropylene random copolymer, 15-20 parts of wollastonite powder, 10-15 parts of alum powder, 3-7 parts of calcium phosphate tribasic, 4-8 parts of zinc hydroxystannate, 2-3 parts of polymethyl triethoxy silane, 16-22 parts of basalt fiber powder, 1.5-2.5 parts of barium naphthenate, 3-4 parts of calcium rosinate, 10-15 parts of dioctyl terephthalate, 5-10 parts of strontium hydroxide, 3-5 parts of N-hydroxymethyl stearamide, 8-12 parts of tricresyl phosphate, 10-15 parts of calcium borate, 1-2 parts of 4-chloro-N-(stearamide methyl) pyridine, and 2.5-4.5 parts of additives. The cable sheath material has good chemical corrosion resistance, strong waterproofness, also has high mechanical strength, good flexibility, heat aging resistance, excellent mechanical damage resistance and other characteristics, long service life, low cost, no environmental pollution, and wide application prospect.
Description
technical field [0001] The invention relates to a waterproof and chemical-resistant heat tracing cable sheath material and a preparation method thereof, belonging to the field of cable sheath materials. Background technique [0002] The heat tracing cable is composed of conductive polymer and two parallel metal wires, insulating layer, outer sheath layer and other structures. It has high thermal efficiency, energy saving, simple design, convenient construction and installation, no pollution, long service life, and can achieve With the advantages of remote control and automatic control, it can be widely used in the heat tracing, heat preservation, antifreeze and anticondensation of pipelines, pumps, valves, tanks and tank volumes in the petroleum, chemical, electric power, medicine, machinery, food, ship and other industries. It is the most advanced and effective method for maintaining process temperature in infusion pipelines and liquid storage medium tanks. Due to the limi...
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