Material special for flame-retardant antistatic plastic flange and preparation method thereof

Abstract

The invention relates to the field of organic plastic, in particular to a material special for a flame-retardant antistatic plastic flange and a preparation method thereof. The material consists of the following components in part by weight: 40 to 60 parts of polyphenylene sulfide resin, 10 to 40 parts of carbon fiber, 20 to 40 parts of glass fiber, 0.1 to 1 part of processing thermal stabilizer and 0.1 to 2 parts of processing lubricant. The preparation method thereof comprises the following steps of: uniformly mixing the polyphenylene sulfide resin, the processing thermal stabilizer and the processing lubricant; then adding the carbon fiber and the glass fiber into the mixture and melting and blending the mixture by using an extruder; and finally bracing, water-cooling, pelletizing and drying the obtained material so as to obtain the material special for the flame-retardant antistatic plastic flange. The plastic flange made of the material of the invention overcomes the defect of easy corrosion of a traditional metal flange, has permanent flame resistance, antistatic performance and high mechanical strength, and is suitable for connection of non-metal pipelines underground coal mine and in other combustible and explosive environments.

Description

technical field [0001] The invention relates to the field of organic plastics, in particular to special materials for flame-retardant and antistatic plastic flanges and a preparation method thereof. Background technique [0002] Mine flange is a common device for coal mine underground pipeline connection. Traditional mining flanges are mostly made of metal, including steel flanges and cast iron flanges. However, metal flanges have poor corrosion resistance, high production costs and are not easy to transport. There are also a small number of patent documents published for flanges made of non-metallic materials, such as: [0003] The Chinese patent application with application number 03126362.3 discloses a non-metallic flange made of high-density polyethylene, glass fiber, butyl acetate cellulose or propyl acetate cellulose and steel mesh; application number 200820192112.1 A Chinese patent application discloses a flange made of carbon fiber composite material. [0004] Ho...

AI Technical Summary

Problems solved by technology

[0004] However, the technical solutions disclosed in the above-mentioned patent application cannot meet the standard requirements for flame retardancy, antistatic performance and tensile strength in coal mines or other flammable and explosive environments, and the toxic gas released during combustion will give Great difficulty in escaping