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Heat-resistant PVC (poly vinyl chloride) cable

A cable and heat-resistant technology, applied in the direction of plastic/resin/wax insulators, organic insulators, etc., can solve the problems of susceptibility to photooxidative toughness, poor thermal stability, and non-aging resistance, so as to improve light stability and thermal stability. Improves brittleness and increases flexibility

Inactive Publication Date: 2019-05-21
NANTONG YIXUAN IND DESIGN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing PVC cables are not anti-aging, susceptible to photooxidation, low toughness, poor thermal stability, and poor flame retardancy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A heat-resistant PVC cable, comprising the following materials by weight:

[0043] 65 parts by weight of polyvinyl chloride;

[0044] 12 parts by weight of polyethylene terephthalate;

[0045] 1 part by weight of triphenyl phosphite;

[0046] 1.8 parts by weight of barium succinate;

[0047] 4.2 parts by weight of N-tert-alkylbenzotriazole;

[0048] 2.4 parts by weight of silicon nitride;

[0049] 0.6 parts by weight of barium sulfate;

[0050] 1 part by weight of sodium zinc EDTA;

[0051] 2 parts by weight of 1,2-cyclohexane-diisopropyl dicarboxylate;

[0052] 3 parts by weight of tetrafluoroethylene-perfluoro(vinylpolyalkoxysulfonic acid) ether copolymer;

[0053] Polyethylene glycol 600 0.5 parts by weight.

[0054] The number-average molecular weight of polyvinyl chloride is 50,000 g / mol; the number-average molecular weight of polyethylene terephthalate is 3,500 g / mol.

Embodiment 2

[0056] A heat-resistant PVC cable, comprising the following materials by weight:

[0057] 68 parts by weight of polyvinyl chloride;

[0058] 13 parts by weight of polyethylene terephthalate;

[0059] 2 parts by weight of molybdenum dialkyldithiophosphate;

[0060] 2.45 parts by weight of barium succinate;

[0061] 4.55 parts by weight of N-tertiary alkyl benzotriazole;

[0062] 3.4 parts by weight of silicon nitride;

[0063] 0.6 parts by weight of barium sulfate;

[0064] 2 parts by weight of zinc sodium EDTA;

[0065] 3 parts by weight of 1,2-cyclohexane-diisopropyl dicarboxylate;

[0066] 4 parts by weight of tetrafluoroethylene-perfluoro(vinyl polyalkoxysulfonic acid) ether copolymer;

[0067] Polyethylene glycol 600 0.7 parts by weight.

[0068] The number-average molecular weight of polyvinyl chloride is 51,000 g / mol; the number-average molecular weight of polyethylene terephthalate is 3,600 g / mol.

Embodiment 3

[0070] A heat-resistant PVC cable, comprising the following materials by weight:

[0071] 70 parts by weight of polyvinyl chloride;

[0072] 14 parts by weight of polyethylene terephthalate;

[0073] 3 parts by weight of zinc dialkyldithiophosphate;

[0074] 3.2 parts by weight of barium succinate;

[0075] 4.8 parts by weight of N-tert-alkylbenzotriazole;

[0076] 4.5 parts by weight of silicon nitride;

[0077] 0.5 parts by weight of barium sulfate;

[0078] 3 parts by weight of sodium zinc EDTA;

[0079] 4 parts by weight of 1,2-cyclohexane-diisopropyl dicarboxylate;

[0080] 5 parts by weight of tetrafluoroethylene-perfluoro(vinyl polyalkoxysulfonic acid) ether copolymer;

[0081] 600 parts by weight of polyethylene glycol.

[0082] The number-average molecular weight of polyvinyl chloride is 52,000 g / mol; the number-average molecular weight of polyethylene terephthalate is 3,700 g / mol.

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Abstract

The invention discloses a heat-resistant PVC (poly vinyl chloride) cable which is prepared from the following materials in parts by weight: 65 to 70 parts of polyvinyl chloride, 12 to 14 parts of polyethylene terephthalate, 6 to 8 parts of a thermal stabilizer, 3 to 5 parts of a filler and 1 to 3 parts of an antioxidant. According to the heat-resistant PVC cable disclosed by the invention, the internal structure of PVC plastic is improved in the microscopic degree by optimizing chemical components of the heat-resistant PVC cable, and the heat-resistant PVC cable has excellent strength, toughness and heat resistance.

Description

technical field [0001] The invention relates to a cable, in particular to a heat-resistant PVC cable. Background technique [0002] Polyvinyl chloride material has good rigidity, high strength, flame retardant, corrosion resistance, good electrical insulation; and good processing performance, low price, so it has a wide range of applications in the cable material industry. Usually automobile wires are usually made of polyvinyl chloride resin as the base material, adding plasticizers, stabilizers and processing aids, and processed by special mixing equipment. Different from ordinary wires and cables, automobile wires and cables are specially designed for the needs of automobiles. Because the inside of the car is a very complex small environment, there are various complex conditions such as vibration, friction, oil pollution, high heat, cold and electromagnetic radiation, so the car wire is required to have various functions such as heat resistance, wear resistance, odorless ...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L67/02C08L27/18C08K13/02C08K5/098C08K5/3475C08K3/34C08K3/30C08K5/526C08K5/17C08K5/12H01B3/44
Inventor 戴世元
Owner NANTONG YIXUAN IND DESIGN CO LTD
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