Manufacturing process of chemical foaming fluorine material

Abstract

The invention discloses a manufacturing process of a chemical foaming fluorine material. The manufacturing process comprises the following steps: 1, selecting a fluorine material with good physical properties and chemical properties, and weighing for later use; 2, selecting foaming powder suitable for chemical foaming production, and weighing for later use; 3, performing master batch treatment onthe foaming powder by using molding equipment, taking EVA or low-density polyethylene as a carrier, preparing 5-10% of foaming master batch, and performing extrusion treatment at a decomposition temperature; 4, adding the foaming master batch into the fluorine material according to 0.3-3% of the addition amount of the foaming powder, and fully stirring and mixing by using stirring equipment to obtain a mixture I; and 5, aging the mixture I at 95-100 DEG C for 6-12 hours, and directly extruding the mixture I by using the molding equipment to prepare the chemical foaming fluorine material. By improving the fluorine material and the production process, the production efficiency of the foaming fluorine material is improved while various properties of the fluorine material are retained.

Description

technical field [0001] The invention relates to the technical field of material manufacturing, in particular to a manufacturing process of chemical foaming fluorine material. Background technique [0002] In today's life, fluorine materials have gradually become the favor of various cable industries and are respected, because their dielectric constant can reach between 2.0-2.1; the melting point is higher than other plastics, and the processability is extensive; cold resistance, resistance The thermal performance is excellent, suitable for cable signal transmission tasks at high temperature and low temperature. However, with the continuous progress and development of the information society, people have a deeper understanding of the information transmission speed of the communication industry, and tend to increase the speed and frequency of electronic information, and then people have a better understanding of the dielectric properties of fluorine materials. Higher requirem...

AI Technical Summary

Problems solved by technology

[0003] At present, most of the foamed fluorine materials in my country are physical foamed fluorine materials, and most of them have a skin-foam-skin coating structure. This structure will deteriorate the adhesion between the skin and the conductor over time, resulting in the required various In addition, the processing process of physical foaming fluorine materials is cumbersome and requires precise control of the air intake, which is easy to generate bubbles to "line up" and "become larger", and the production speed is slow; for chemical foaming fluorine materials, now Most of the technology is to compress the foaming system and powdery fluorine material into "masterbatch" for extrusion and foaming, which is expensive and relies too much on molding equipment