PVC cable insulating material and preparation method thereof
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A cable insulation, PVC resin technology, applied in the direction of organic insulators, plastic/resin/wax insulators, etc., can solve the problems of human health hazards, heavy smoke, soil and water pollution, etc., and achieve the elimination and elimination of tension and tension headaches. The effect of nausea, excellent low temperature/high temperature performance
Inactive Publication Date: 2011-08-17
WUXI MINGZHU CABLE
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Abstract
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Problems solved by technology
Conventional PVC insulated wires and cables have quite serious pollution—a large amount of harmful substances such as dioxin, hydrochloric acid, and lead are produced during manufacture, use, and disposal.
When PVC insulation materials are burned, there will be a lot of smoke and harmful HCL gas; and most PVC insulation materials contain Pb (lead), Cd (cadmium) and other harmful heavy metals (used as cable stabilizers), It will cause certain harm to human health; after incineration or burial, it will cause pollution to soil and water sources
Method used
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Embodiment 1
[0019] The components in the formula: 100 parts of PVC resin, 10 parts of plasticizer DOS, 25 parts of plasticizer chlorinated paraffin, 6 parts of composite stabilizer, 40 parts of activated calcium carbonate, 30 parts of kaolin, 10 parts of aluminum hydroxide, three 6 parts of antimony oxide, 5 parts of zinc borate, 0.5 parts of fragrance.
[0020] The preparation steps are: according to the mass parts of the formula, add PVC resin, plasticizer, composite stabilizer, active calcium carbonate, kaolin, aluminum hydroxide, antimony trioxide, zinc borate, aromatic agent, etc. in a high-speed kneader at 800 Knead the components evenly at the speed of rev / min, and finally pass through the Φ75-Φ180 two-stage granulator at a temperature of 135-165°C to granulate, then cool, screen, weigh, pack and store, and complete the PVC insulating material. preparation.
Embodiment 2
[0022] The components in the formula: 100 parts of PVC resin, 14 parts of plasticizer DOS, 35 parts of plasticizer chlorinated paraffin, 3 parts of composite stabilizer, 40 parts of activated calcium carbonate, 45 parts of kaolin, 15 parts of aluminum hydroxide, three 6 parts of antimony oxide, 5 parts of zinc borate, 1 part of fragrance.
[0023] The preparation steps are the same as above.
Embodiment 3
[0025] The components in the formula: 100 parts of PVC resin, 9 parts of plasticizer DOS, 22.5 parts of plasticizer chlorinated paraffin, 7 parts of composite stabilizer, 20 parts of activated calcium carbonate, 20 parts of kaolin, 5 parts of aluminum hydroxide, three 3 parts of antimony oxide, 3 parts of zinc borate, 1.5 parts of fragrance.
[0026] The preparation steps are the same as above.
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Abstract
The invention discloses a polyvinyl chloride (PVC) cable insulating material and a preparation method thereof. The PVC cable insulating material comprises 100 parts of PVC resin, 30 to 50 parts of plasticizer, 3 to 7 parts of composite stabilizer, 20 to 40 parts of active calcium carbonate, 15 to 45 parts of kaolin, 5 to 15 parts of aluminum hydroxide, 3 to 6 parts of antimonous oxide, 3 to 5 parts of zinc borate, and 0.5 to 1.5 parts of aromatizing agent. By optimized matching of the aluminum hydroxide, the antimonous oxide and the zinc borate, the charcoal forming amount can be increased by nearly 50 percent. During combustion over open fire, the smoke generating amount is reduced by 30 to 50 percent, and the limited oxygen index (LOI) is improved to 33. By using the proper plasticizer, the material has excellent low-temperature / high-temperature resistance, and the using temperature of the material is 30 DEG C below zero and 90 DEG C; and because 0.5 to 1.5 parts of mint essence serving as the aromatizing agent is added into the material, the material has aroma, and plays a role in eliminating nausea, tension and tension headache and removing mosquitoes.
Description
[0001] Technical field [0002] The present invention involves the field of polymer materials in power cables, especially a PVC insulating material and its preparation method. It has achieved environmental protection, flame retardant, non -dripping, and superior low temperature resistance through the optimization of each component, and has the high -resistance to high temperature resistance, and has the high temperature resistance, and has the high temperature resistance and high temperature.The aroma smell can be used to prepare the insulation of wires and cables, especially for environmentally friendly wire and cable products that are supported by domestic appliances. Background technique [0003] A large number of fire reports confirmed that the culprit caused by death was cigarettes and toxic gases generated when plastic burning.Especially for high -rise buildings, the situation is more obvious.According to statistics, 80 % of the deaths in the fire were caused by the asphyx...
Claims
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Application Information
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