Method for preparing insulating material for wires and cables

A technology for insulating materials, wires and cables, applied in the direction of rubber insulators, organic insulators, plastic/resin/wax insulators, etc., can solve the problems of embrittlement, inconvenience, and performance defects in long-term use, and is suitable for large-scale industrialization Application, good application prospect, good insulation effect

Inactive Publication Date: 2017-06-13
SUZHOU XUANLANG PLASTIC PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although there are many types of wires and cables and a large amount of products, they still have certain defects in terms of performance. If these problems are not handled properly, they will cause considerable safety hazards.
[0003] Due to the particularity of the wire and cable use environment, more stringent and diverse requirements are put forward for the wire and cable materials, which should have good insulation, flexibility, wear resistance, temperature resistance, flame retardancy, etc., otherwise it will cause wire and cable The performance of the cable material will change in one way or another, and even lose its use value
However, traditional wire and cable materials have problems such as poor wear resistance and aging resistance. When wires and cables are dragged on the road, swayed on buildings or in mines, they are prone to friction damage, and they are prone to aging phenomena such as embrittlement during long-term use. Practical application brings a lot of inconvenience

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) Mix 15 parts of high wear-resistant carbon black, 12 parts of zinc borate, and 8 parts of silicon carbide, put them into a planetary ball mill and mill until uniform, then add 500 mL of 80% glycerin solution and mix and stir, and then add Granulate in a granulator to make particles with a particle size of 0.7 μm;

[0026] (2) 10 parts of ethylene-propylene rubber, 6 parts of polyetherimide, and 5 parts of phenylglycidyl ether are vacuum dehydrated under the stirring condition of 150rpm, then 5 parts of ethyl salicylate are added, and heated to 120°C, react for 3 hours, then raise the temperature to 150°C, maintain for 2 hours, then evacuate to 0.01MPa, and maintain for 27 minutes to obtain the vacuum reactant;

[0027] (3) Add 10 parts of the granules obtained in step (1) and epoxy resin into a banbury mixer, mix evenly, and banbury at a temperature of 110° C. for 10 minutes to obtain a banbury product;

[0028] (4) Mix the banburying product obtained in step (3) w...

Embodiment 2

[0036] (1) Mix 15 parts of high wear-resistant carbon black, 12 parts of zinc borate, and 8 parts of silicon carbide, put them into a planetary ball mill and mill until uniform, then add 500 mL of 80% glycerin solution and mix and stir, and then add Granulate in a granulator to make particles with a particle size of 0.7 μm;

[0037] (2) 10 parts of ethylene-propylene rubber, 6 parts of polyetherimide, and 5 parts of phenylglycidyl ether are vacuum dehydrated under the stirring condition of 150rpm, then 5 parts of ethyl salicylate are added, and heated to 120°C, heat up to 150°C after 4 hours of reaction, maintain for 2.5 hours, then vacuumize to 0.02MPa, and maintain for 27 minutes to obtain a vacuum reactant;

[0038] (3) Add 10 parts of the granules obtained in step (1) and epoxy resin into a banbury mixer, mix evenly, and banbury at a temperature of 115° C. for 13 minutes to obtain a banbury product;

[0039](4) Mix the banburying product obtained in step (3) with 20 parts...

Embodiment 3

[0047] (1) Mix 15 parts of high wear-resistant carbon black, 12 parts of zinc borate, and 8 parts of silicon carbide, put them into a planetary ball mill and mill until uniform, then add 500 mL of 80% glycerin solution and mix and stir, and then add Granulate in a granulator to make particles with a particle size of 0.7 μm;

[0048] (2) 10 parts of ethylene-propylene rubber, 6 parts of polyetherimide, and 5 parts of phenylglycidyl ether are vacuum dehydrated under the stirring condition of 150rpm, then 5 parts of ethyl salicylate are added, and heated to 120°C, react for 5 hours, then raise the temperature to 150°C, maintain for 3 hours, vacuumize to 0.03MPa, and maintain for 27min to obtain the vacuum reactant;

[0049] (3) Add 10 parts of granules and epoxy resin obtained in step (1) into a banbury mixer, mix evenly, and banbury at a temperature of 120° C. for 15 minutes to obtain a banbury product;

[0050] (4) Mix the banburying product obtained in step (3) with 20 parts ...

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Abstract

The invention discloses a method for preparing an insulating material for wires and cables. The method comprises the following steps: performing ball milling and granulating on high abrasion furnace carbon black, zinc borate and silicon carbide, and smelting with an epoxy resin together; adding tetrahydrofuran for stirring in vacuum, adding polyamide wax micro powder and a vacuum reactant obtained by performing dehydration, heating and vacuum reaction on ethylene propylene rubber, polyetherimide and phenyl glycidyl ether, performing a series of specific processes such as plastifying, feeding, ultrasonic treatment, reduction vaporization, screw extrusion, high pressure reaction, secondary plastifying, compression molding, dicing and the like, thereby obtaining the finished product. The prepared insulating material is abrasion-resistant, ageing-resistant and excellent in insulating effect and has excellent application prospects. Meanwhile, the invention further discloses application of the insulating material prepared by the preparation process in the power industry.

Description

technical field [0001] The invention relates to the technical field of insulating materials, in particular to a method for preparing insulating materials for wires and cables. Background technique [0002] Wire and cable are mainly used to transmit electric energy, magnetic energy, electric signal and realize the conversion of electromagnetic energy. It is the main carrier of power transmission and is widely used in electrical equipment, lighting lines, household appliances and other fields. Cables usually consist of a core for transmitting power or electrical signals and a sheath for protection and insulation. The quality of wire and cable directly affects the quality of the project, the daily life of consumers and even the safety of life and property of the majority of residents. However, although there are many types of wires and cables and a large amount of products, they still have certain defects in terms of performance. If these problems are not handled properly, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L63/00C08L79/08C08L77/00C08K13/02C08K3/04C08K3/38C08K3/34C08K5/11B29C47/92H01B3/28H01B3/40B29C48/92
CPCC08L23/16B29C48/92B29C2948/92704C08L63/00C08L2203/202C08L2205/035H01B3/28H01B3/40C08L79/08C08L77/00C08K13/02C08K3/04C08K2003/387C08K3/34C08K5/11
Inventor 屠志豪
Owner SUZHOU XUANLANG PLASTIC PROD CO LTD
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