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A flame-retardant ABS resin-based barrier explosion-proof material suitable for metal coating and preparation method thereof

A technology for blocking explosion-proof materials and ABS resin, applied in the direction of coating, etc., to achieve reliable performance, simple molding industry, and avoid combustion or explosion accidents

Active Publication Date: 2020-04-28
军事科学院系统工程研究院军事新能源技术研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the technical problems of existing barrier and explosion-proof material technology and the change of material and fuel performance caused by containing highly polar fuel during storage, the present invention provides a flame-retardant ABS resin-based barrier and explosion-proof material suitable for metal coating and its preparation The method obtains a thermoplastic resin-based barrier explosion-proof material coated with metal nickel or chromium on the surface. The barrier explosion-proof material has good mechanical properties, chemical stability, explosion-proof effect and excellent electrical conductivity, and can overcome the defects of existing barrier explosion-proof materials.

Method used

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  • A flame-retardant ABS resin-based barrier explosion-proof material suitable for metal coating and preparation method thereof
  • A flame-retardant ABS resin-based barrier explosion-proof material suitable for metal coating and preparation method thereof
  • A flame-retardant ABS resin-based barrier explosion-proof material suitable for metal coating and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0023] A flame-retardant ABS resin-based barrier explosion-proof material suitable for metal coating, said flame-retardant ABS resin-based barrier explosion-proof material suitable for metal coating comprises ABS resin, flame retardant system, lubricant and antiaging agent, by weight In terms of parts, 100 parts of ABS resin, 25-45 parts of flame retardant system, 0-5.0 parts of lubricant, and 0.2-0.6 parts of antioxidant.

[0024] The molar ratio of butadiene in the ABS resin is 15-25%, and the melting index of the ABS is 1.5-35g / 10min. The flame retardant system is classified into a halogen-free flame retardant system or a halogenated flame retardant system. The lubricant is silicone powder, the mass fraction of silicon and silicon compounds contained in the silicone powder is not less than 95%, and the average particle size of the silicone powder is not more than 20 μm. The antioxidant is β-(3,5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate, and the purity of the ant...

Embodiment 2

[0028] A method for preparing a flame-retardant ABS resin-based barrier explosion-proof material suitable for metal coating, comprising the steps of:

[0029] (1) First dry the ABS resin particles at 75-85°C for 2 hours; (2) In terms of parts by mass, 100 parts of ABS resin, 25-45 parts of flame retardant system, 0-5.0 parts of lubricant, Add 0.2 to 0.6 parts of oxidant into the mixer, and after uniform mixing, melt and blend through a twin-screw extruder, control the extrusion temperature not higher than 240°C, and obtain flame-retardant modified ABS resin particles; (3) flame-retardant modified ABS resin particles are prepared by injection molding to obtain the barrier explosion-proof material; (4) the surface of the barrier explosion-proof material prepared by injection molding is covered with a layer of nickel and chromium metal by plastic electroplating or chemical plating process.

Embodiment 3

[0031] The flame-retardant ABS resin-based barrier explosion-proof material component suitable for metal coating includes the following components, in parts by weight:

[0032]

[0033] Weigh each component according to the above weight, place it in a high-speed mixer and mix for 2 minutes, and then put the uniformly mixed components into a twin-screw extruder for granulation. The twin-screw is produced by Nanjing Jieent Electromechanical Co., Ltd. The SHF-30 type. The speed of the screw machine is 400 rpm, and the temperature control of each section of the extruder is as follows: the barrel temperature is 160°C in the first zone, 1650°C in the second zone, 170°C in the third zone, 175°C in the fourth zone, 180°C in the fifth zone, and 190°C in the head After extrusion and granulation, the prepared flame-retardant ABS resin particles are injection-molded into the required skeleton-shaped thin-walled spherical barrier explosion-proof material, and finally the barrier explosi...

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Abstract

The invention discloses a flame-retardant ABS resin-based barrier explosion-proof material suitable for metal plating and belongs to the technical field of barrier explosion prevention. The flame-retardant ABS resin comprises 100 parts by weight of ABS resin, 25 to 45 parts by weight of a flame retardant system, 0 to 5.0 parts by weight of a lubricating agent and 0.2 to 0.6 part by weight of an antioxidant. The preparation method comprises the following steps: mixing the ABS resin, the flame retardant, the lubricating agent and the antioxidant uniformly, melting, blending and granulating the mixture by a double-screw extruding machine, performing injection molding on the flame-retardant ABS resin granules to prepare the barrier explosion-proof material with a specific structure, and coating the surface of the barrier explosion-proof material prepared by a plastic electroplating or chemical plating process with one layer of meta such as nickel and chromium to obtain flame-retardant ABSresin-based barrier explosion-proof material with the metal plating on the surface. The surface of the existing injection molded barrier explosion-proof material is coated with one metal layer with high corrosion resistance, so the flame-retardant ABS resin-based barrier explosion-proof material has excellent explosion-proof property and is more suitable for a fuel system containing strongly polarliquid.

Description

technical field [0001] The invention relates to a flame-retardant ABS resin-based barrier explosion-proof material suitable for metal coating and a preparation method thereof, which can be applied to the explosion-proof field of various alcohols and alcohol fuels, petrochemical products, natural gas, and other liquid and gaseous dangerous chemicals . Background technique [0002] Fuel is one of the essential sources of energy in modern society, and its safety during storage, transportation, and use has always been the focus of attention. Fossil fuels will remain an important source of energy for a long time to come. Gasoline, diesel, liquefied petroleum gas, natural gas and other liquid and gaseous fuels, as well as other liquid and gaseous hazardous chemicals (such as methane, benzene and other chemical raw materials) are very vulnerable to static electricity, gunshots, collisions and other external energy during storage, transportation and use. The explosion caused a lar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L55/02C08L83/04C08K5/134C08K9/10C08K3/02C08K7/24C08K3/34C08K13/06C08K5/03C08K3/22C08K3/38C08K13/02C08J7/06
CPCC08J7/06C08J2355/02C08K2003/026C08K2003/387C08L55/02C08L2201/02C08L83/04C08K5/1345C08K9/10C08K3/02C08K7/24C08K3/346C08K13/06C08K5/03C08K3/2279C08K3/38C08K13/02
Inventor 鲁长波安高军
Owner 军事科学院系统工程研究院军事新能源技术研究所
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