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Polymerized gold-silicon insulator material with tracking and erosion resistant grade being 1A4.5 or higher, and preparation method and application thereof

A technology of resistance to tracking and electric corrosion, which is applied in the direction of organic insulators, plastic/resin/wax insulators, etc., can solve the problems of poor electric corrosion resistance of silicone rubber composite insulators, improve working conditions and reduce compounding agents Loss, the effect of reducing labor intensity

Inactive Publication Date: 2017-04-26
JIANGSU JINSANLI POWER EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a polymer gold-silicon insulator material with a tracking and electric corrosion resistance rating of 1A4.5 and above and its preparation method and application, so as to solve the technical problem of poor electrical corrosion resistance of silicone rubber composite insulators

Method used

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  • Polymerized gold-silicon insulator material with tracking and erosion resistant grade being 1A4.5 or higher, and preparation method and application thereof
  • Polymerized gold-silicon insulator material with tracking and erosion resistant grade being 1A4.5 or higher, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Preheat the internal mixer to 150°C, add 2.0kg of polypropylene with a molecular weight of 100,000 and 1.3kg of methyl silicone rubber with a molecular weight of 500,000, lower the top bolt, banbury at 0.5MPa and 150°C for 115s, and then Add 6.5kg of polyethylene with a molecular weight of 100,000, banbury at 0.5MPa and 150°C for 120s, raise the top bolt, and refine at 150°C for 115s. Adjust the roller distance of the open mill to 3.8mm, turn on the power switch, make the open mill run, open the circulating water valve, and then put the rubber discharged from the internal mixer into the upper roller of the open mixer, and wait for the temperature of the rubber to drop. When the temperature is below 110°C, add 0.2kg of aluminum hydroxide powder with a particle size of 8000-10000 mesh, cut the left and right knives twice, wait until the aluminum hydroxide powder is completely eaten, and the surface of the rubber material is relatively smooth, then cut off the rubber materi...

Embodiment 2

[0030] Preheat the internal mixer to 160°C, add 1.5kg of polypropylene with a molecular weight of 150,000 and 1.35kg of methyl silicone rubber with a molecular weight of 550,000, lower the top bolt, banbury at 0.6MPa and 160°C for 115s, and then Add 7.0kg of polyethylene with a molecular weight of 150,000 and banbury at 0.6MPa and 160°C for 115s, raise the top bolt, and refine at 160°C for 115s. Adjust the roller distance of the open mill to 3.8mm, turn on the power switch, make the open mill run, open the circulating water valve, and then put the rubber discharged from the internal mixer into the upper roller of the open mixer, and wait for the temperature of the rubber to drop. When the temperature is below 110°C, add 0.15 kg of aluminum hydroxide powder with a particle size of 8,000 to 10,000 meshes, cut the left and right knives twice, wait until the aluminum hydroxide powder is completely eaten, and the surface of the rubber is relatively smooth, then cut off the rubber. ...

Embodiment 3

[0032] Preheat the internal mixer to 150°C, add 1.0kg of polypropylene with a molecular weight of 200,000 and 1.38kg of methyl silicone rubber with a molecular weight of 600,000, lower the top bolt, banbury at 0.5MPa and 150°C for 120s, and then Add 7.5kg of polyethylene with a molecular weight of 200,000, banbury at 0.5MPa and 150°C for 110s, raise the top bolt, and refine at 150°C for 120s. Adjust the roller distance of the open mill to 3.8mm, turn on the power switch, make the open mill run, open the circulating water valve, and then put the rubber discharged from the internal mixer into the upper roller of the open mixer, and wait for the temperature of the rubber to drop. When the temperature is below 110°C, add 0.12 kg of aluminum hydroxide powder with a particle size of 8,000 to 10,000 meshes, cut the left and right knives twice, wait until the aluminum hydroxide powder is completely eaten in, and the surface of the rubber is relatively smooth, then cut off the rubber. ...

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Abstract

The invention discloses a polymerized gold-silicon insulator material with the tracking and erosion resistant grade being 1A4.5 or higher, and a preparation method and application thereof. The polymerized gold-silicon insulator material is prepared from raw materials including polyethylene, polypropylene, methyl silicone rubber and aluminum hydroxide powder. The preparation method comprises the following steps of preheating a banburying machine to 150 to 160 DEG C; adding the polypropylene and the methyl silicone rubber; then, descending an upper top bolt; performing banburying for 115 to 120s at 0.5 to 0.6 MPa and 150 to 160 DEG C; adding the polyethylene, and performing the banburying for 115 to 120s at 0.5 to 0.6 MPa and 150 to 160 DEG C; regulating the roller distance to be 3.8mm; switching on a power supply switch so that a mixing mill operates; opening a circulation water valve; then, feeding rubber materials discharged out from the banburying machine onto a mixing mill for roll covering; after the temperature of the rubber material is lowered to a value below 110 DEG C, adding the aluminum hydroxide powder; respectively performing left and right cutter cutting twice at each of the left side and the right side; after the aluminum hydroxide powder is uniformly mixed, performing material cutting, cooling and granulation; and obtaining the material. The material can be used for manufacturing an insulator; the requirements on the insulator electric characteristics and mechanical properties of the insulator and the requirements on the service life can be met; the tracking and erosion resistant grade is 1A6 grade; and the maximum erosion depth is smaller than 2mm.

Description

technical field [0001] The invention belongs to the technical field of insulators, and in particular relates to a polymer gold-silicon insulator material with a tracking resistance rating of 1A4.5 and above, a preparation method and an application thereof. Background technique [0002] With the development of the economy, the construction of power grids and power facilities is also accelerating, and the amount of insulators is increasing. However, traditional porcelain insulators have many shortcomings: production needs to mine a large amount of clay, and traditional kiln sintering in the production process is both It consumes a lot of energy and emits a lot of smoke and dust pollution, which seriously damages the ecological environment; the production cycle is long, there are many processes, it is difficult to realize mechanization and automatic production, and it is greatly affected by the quality fluctuation of raw materials, especially mineral raw materials; the product w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/12C08L83/04C08K3/22H01B3/44
CPCC08L23/06C08L2205/03H01B3/441C08L23/12C08L83/04C08K2003/2227
Inventor 严维逊严姗芝
Owner JIANGSU JINSANLI POWER EQUIP
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