Preparation technology for high-temperature-resistant plastic particles

Abstract

The invention relates to high-temperature-resistant plastic particles. The high-temperature-resistant plastic particles are prepared from the following components in parts by weight: 60-85 parts of filler, 20-50 parts of lac resin, 5-8 parts of methyl vinyl silicone oil, 0.3-0.6 part of potassium stearate, 10-20 parts of glass fiber powder, 17-22 parts of titanium dioxide, 0.9-1.4 parts of boron phosphide and 0.6-1.1 parts of praseodymium oxide. A preparation technology thereof comprises the following steps that the filler is taken according to the weight parts, is crushed and passes through a250-300-mesh sieve so as to obtain filler powder; the rest raw materials are added into the filler powder, uniform mixing is carried out, and then heating and frying are carried out for 50-60 minutes, wherein the temperature is 130-160 DEG C; and heating is continuously carried out to reach 200-300 DEG C through a granulator, blocks are extruded through a grinding head, and then crushing is carried out so as to obtain the high-temperature-resistant plastic particles. According to the high-temperature-resistant plastic particles and the preparation technology thereof, under a high-temperaturecondition, the obtained plastic particles can still keep high mechanical performance, corrosion resistance and stress cracking resistance, the size is stable, the heat deflection temperature is higherthan 203 DEG C, and the plastic particles and the preparation technology thereof are suitable for manufacturing lamp shells, heat dissipation elements, circuit boards and the like.

Description

technical field [0001] The invention relates to the field of plastic particles, more specifically, to a manufacturing process of high-temperature-resistant plastic particles. Background technique [0002] Compared with metal, stone, and wood, plastic products have the advantages of low cost and strong plasticity, and are widely used in the national economy. The plastics industry occupies an extremely important position in the world today. Over the years, the production of plastic products has developed at a high speed all over the world. . my country's output of plastic products has always been at the forefront of the world rankings, and the output of many plastic products has already ranked first in the world. my country has become a major producer of plastic products in the world. However, compared with traditional materials such as metals, ceramics, and glass, one of the disadvantages of plastics is their low heat resistance, which often limits their use in high-temperat...

AI Technical Summary

Problems solved by technology

However, compared with traditional materials such as metals, ceramics, and glass, one of the disadvantages of plastics is that their heat resistance is not high, which often limits their use in high-temperature applications