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Cable blocking material and preparation method thereof

A technology for plugging materials and cables, used in rubber insulators, organic insulators, etc., can solve the problems of fire blocking material strength, poor toughness, easy to produce cracks and other problems, achieve excellent anti-aging performance, enhance mechanical strength, and be conducive to material properties Effect

Active Publication Date: 2018-12-21
国网河南省电力公司镇平县供电公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the strength and toughness of the patented fireproof blockage are still poor, and cracks are likely to occur when the line vibrates

Method used

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  • Cable blocking material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A cable plugging material, made of the following parts by weight:

[0022] 30 parts of methyl vinyl silicone rubber, 0.5 parts of light calcium carbonate, 3 parts of white carbon black VN-3, 3 parts of mullite fiber, 0.6 parts of hydroxy silicone oil, 1 part of naphthenic oil, 10 parts of aluminum hydroxide, 0.2 part of potassium sulfide, 1 part of di-dipenta vulcanizing agent and 0.5 part of triallyl isocyanurate.

[0023] The vulcanizing agent is 2,5-dimethyl-2,5-di(tert-butylperoxy) hexane, that is, di-dipenta vulcanizing agent.

[0024] The method for preparing the cable plugging material includes the following steps:

[0025] (1) Mix methyl vinyl silicone rubber, light calcium carbonate, white carbon black VN-3, mullite fiber, hydroxy silicone oil, naphthenic oil and aluminum hydroxide at 30°C for 5 minutes, and then add 60 Stir a portion of the toluene solution for 20 minutes, and finally put it into an ultrasonic reactor, ultrasonic treatment for 10 minutes, the ultraso...

Embodiment 2

[0028] A cable plugging material, made of the following parts by weight:

[0029] 32 parts of methyl vinyl silicone rubber, 0.6 parts of light calcium carbonate, 3.5 parts of white carbon black VN-3, 4 parts of alumina fiber, 0.8 parts of hydroxy silicone oil, 1.2 parts of naphthenic oil, 11 parts of aluminum hydroxide, overvulcanization 0.25 parts of potassium, 1.1 parts of di-dipenta vulcanizing agent and 0.6 parts of triallyl isocyanurate.

[0030] The method for preparing the cable plugging material includes the following steps:

[0031] (1) Mix methyl vinyl silicone rubber, light calcium carbonate, white carbon black VN-3, alumina fiber, hydroxy silicone oil, naphthenic oil and aluminum hydroxide at 32°C for 6 minutes, and then add 50 parts The toluene solution was stirred for 25 minutes, and finally put into an ultrasonic reactor, ultrasonic treatment was performed for 6 minutes, and the ultrasonic power was 500W;

[0032] (2) Add potassium persulfide, bis-pentasulfide vulcaniz...

Embodiment 3

[0034] A cable plugging material, made of the following parts by weight:

[0035] 35 parts of methyl vinyl silicone rubber, 0.6 parts of light calcium carbonate, 4 parts of white carbon black VN-3, 4.3 parts of mullite fiber, 1.0 part of hydroxy silicone oil, 1.5 parts of naphthenic oil, 12 parts of aluminum hydroxide, 0.3 parts of potassium sulfide, 1.3 parts of di-dipenta vulcanizing agent and 0.6 parts of triallyl isocyanurate.

[0036] The method for preparing the cable plugging material includes the following steps:

[0037] (1) Mix methyl vinyl silicone rubber, light calcium carbonate, white carbon black VN-3, mullite fiber, hydroxy silicone oil, naphthenic oil and aluminum hydroxide at 35°C for 10 minutes, and then add 70 Part of the toluene solution was stirred for 30 minutes, and finally put into the ultrasonic reactor, ultrasonic treatment for 15 minutes, the ultrasonic power was 600W;

[0038] (2) Add potassium persulfide, bis-dipenta vulcanizing agent and triallyl isocyan...

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Abstract

The invention discloses a cable blocking material and a preparation method thereof. The cable blocking material is prepared from the following raw materials in parts by weight: 30-45 parts of methyl vinyl silicone rubber, 0.5-1 part of light calcium carbonate, 3-6 parts of white carbon black VN-3, 3-8 parts of refractory fiber, 0.6-1.5 parts of hydroxyl silicone oil, 1-2 parts of naphthenic oil, 10-15 parts of aluminum hydroxide, 0.2-0.5 part of potassium sulfide, 1-3 parts of vulcanizing agent and 0.5-1.0 part of triallyl isocyanurate. The raw materials in the invention have a synergistic effect; the acquired material has moderate hardness, high mechanical strength, excellent ageing resistance, excellent elasticity and excellent flame retardant property; when the cable blocking material is used for blocking gaps between cables and pipelines, walls or cabinets, the cable blocking material is difficult to crack or fall off.

Description

Technical field [0001] The invention belongs to the technical field of polymer materials, and specifically relates to a cable blocking material and a preparation method thereof. Background technique [0002] At present, in the electric power industry, most of the cable blocking materials use organic fire-proof blocking materials. Organic fire-proof blocking materials are easily affected by external ultraviolet temperature and pollution factors. As the use time increases, the performance will further decrease, and it will protect against rodents. The capacity is also limited, and it cannot form a long-term tough and effective seal between cables and pipes, walls or cabinets. [0003] The publication number is CN105949747A. The Chinese patent application discloses an electrical cabinet sealing structure. The bottom surface of the electrical cabinet is a composite fireproof board, and the bottom of the composite fireproof board is a cable well. The composite fireproof board is provid...

Claims

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Application Information

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IPC IPC(8): C08L83/07C08L83/04C08L91/00C08K13/04C08K3/36C08K3/22C08K5/14C08K7/26H01B3/28
CPCC08K2003/2227C08L83/04C08L2201/02C08L2203/202C08L2205/025C08L2205/03H01B3/28C08L91/00C08K13/04C08K3/36C08K3/22C08K5/14C08K7/26
Inventor 张娜吕丽芳
Owner 国网河南省电力公司镇平县供电公司
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