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A kind of non-metallic barrier explosion-proof material and preparation method thereof

It is a technology for blocking explosion-proof materials and non-metals. It is used in textiles, papermaking, packaging, large containers, etc. It can solve the problems that stability and mechanical properties cannot be coordinated and are prone to failure, so as to improve explosion suppression performance and service life. , to avoid the effect of failure

Active Publication Date: 2019-05-28
赖尚辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main technical problem to be solved by the present invention is: Aiming at the problem that the stability of physical and chemical properties and mechanical properties of traditional non-metallic barrier explosion-proof materials cannot be coordinated and unified, and failures are prone to occur during use, a non-metallic barrier explosion-proof material and its preparation are provided method

Method used

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  • A kind of non-metallic barrier explosion-proof material and preparation method thereof

Examples

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Effect test

example 1

[0023]In parts by weight, pour 4 parts of polyvinyl alcohol, 6 parts of chitosan, 10 parts of gluten, and 0.1 part of sodium alginate into a beaker filled with 100 parts of water at a temperature of 20°C, and stir with a glass rod After swelling for 30 minutes, move the beaker into a water bath, heat and stir for 20 minutes at a temperature of 85°C, and wait for natural cooling to room temperature to obtain a spinning solution, which is then transferred to a high-voltage electrostatic spinning machine for spinning The filament voltage is 20kV, the temperature is 32°C, the propulsion speed is 0.3mm / s, and the receiving distance is 8cm, and the composite fiber is obtained by electrospinning, and the obtained composite fiber is mixed with a mass fraction of 80% ethanol solution according to the mass ratio of 1:20 mixing, ultrasonic dispersion at 40kHz frequency for 20min, then dropwise adding tetraethyl orthosilicate 0.8 times the weight of the composite fiber into the ethanol sol...

example 2

[0025] In parts by weight, pour 6 parts of polyvinyl alcohol, 8 parts of chitosan, 20 parts of gluten, and 0.3 parts of sodium alginate into a beaker filled with 120 parts of water at a temperature of 25 ° C, and stir with a glass rod After swelling for 45 minutes, move the beaker into a water bath, heat and stir for 40 minutes at a temperature of 90°C, and wait for natural cooling to room temperature to obtain a spinning solution, which is then transferred to a high-voltage electrostatic spinning machine for spinning The filament voltage is 22kV, the temperature is 38°C, the propulsion speed is 0.5mm / s, and the receiving distance is 10cm, and the composite fiber is obtained by electrospinning, and the obtained composite fiber is mixed with a mass fraction of 85% ethanol solution according to the mass ratio of 1:40 mixing, ultrasonic dispersion at 40kHz frequency for 40min, then dropwise adding tetraethyl orthosilicate which is 1.0 times the weight of the composite fiber to the...

example 3（ comparative example 1

[0027] Commercially available spherical non-metallic barrier explosion-proof materials are used

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Abstract

The invention discloses a nonmetal barrier anti-explosion material and a preparation method thereof, and belongs to the technical field of preparation of explosion suppression materials. The preparation method includes the steps that carbonaceous sol-gel is sprayed on the surfaces of hollow spiral fiber and a modified glass fiber sequentially, and natural drying is conducted; net-turing treatment is conducted on an expanded material to be processed into a honeycomb core body, the outer surface of the honeycomb core body is sequentially wound by the modified glass fiber which is sprayed with the carbonaceous sol-gel and the hollow spiral fiber which is sprayed with the carbonaceous sol gel, and a coating core body is formed; finally the coating core body is moved into a mold, the outer surface of the coating core body is coated by the expanded material to form a coating layer, and the nonmetal barrier anti-explosion material is obtained after being shaped. The obtained product by adopting the preparation method is excellent in explosion suppression effect and stable in physicochemical property, the mechanical property is improved greatly compared with a common product, and the nonmetal barrier anti-explosion material and the preparation method thereof have wide application prospects.

Description

technical field [0001] The invention discloses a non-metallic barrier explosion-proof material and a preparation method thereof, belonging to the technical field of explosion-suppression material preparation. Background technique [0002] In the process of transportation, storage and use, flammable, explosive and dangerous chemicals such as fuel are extremely vulnerable to static electricity, gunshots, collisions and other external energy to cause combustion and explosion, which often cause heavy property losses and casualties. Its safety during storage, transportation and use has always been a major subject of explosion suppression research. Explosion suppression materials divide the space into several "chambers" or "cavities", which can effectively contain the spread of flames and rapidly attenuate the explosion pressure wave, while the high specific surface area of ​​the material can absorb and conduct a large amount of heat energy, destroying the explosion conditions of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D90/22D01F9/14
CPCB65D90/22D01F9/14
Inventor 孙建忠许蘅
Owner 赖尚辉
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