High heat resistance, high gloss, low volatility and rapid prototyping polybutylene terephthalate and preparation method thereof

Abstract

The invention relates to a high heat resistance, high gloss, low volatility and rapid prototyping polybutylene terephthalate engineering plastic and a preparation method thereof, which solves the problem that no high heat resistance, high gloss, low volatility and rapid prototyping polybutylene terephthalate engineering plastic exists at present. The high heat resistance, high gloss, low volatility and rapid prototyping polybutylene terephthalate engineering plastic and the preparation method thereof are characterized in that the engineering plastic includes, by weight, 100 parts of the polybutylene terephthalate, 0.1-1.5 parts of main antioxygen, 0.1-1.5 parts of auxiliary antioxygen, 0.3-1.5 parts of a lubricant, 1-9 parts of flexibilizer, 0.2-1.5 parts of a nucleating agent, 0.2-1.5 parts of a crystallization accelerating agent and 0.5-3 parts of padding. The high heat resistance, high gloss, low volatility and rapid prototyping polybutylene terephthalate engineering plastic and the preparation method thereof have the advantages of simple formula, easiness in preparation and performances of high heat resistance, high gloss, low volatility and rapid prototyping.

Description

technical field [0001] The invention relates to a polybutylene terephthalate engineering plastic and a preparation method thereof, in particular to a polybutylene terephthalate engineering plastic with high heat resistance, high gloss, low volatility and rapid prototyping The invention relates to a plastic and a preparation method thereof. The engineering plastic is mainly suitable for auto parts such as car lamp trim rings, electrical connectors, connectors and other products, and belongs to the field of polymer material composite materials. Background technique [0002] Polybutylene terephthalate, also known as polytetramethylene terephthalate, English name: Polybutylene Terephthalate, referred to as PBT. Because the molecular structure of PBT resin contains benzene rings, ester chains and ester groups connecting the two, the PBT resin chips have high mechanical strength, chemical resistance, heat resistance and excellent electrical properties. However, as PBT engineering...

AI Technical Summary

Problems solved by technology

This makes the polybutylene terephthalate engineering plastics in the present invention have high heat resistance, high gloss, low volatility and rapid prototyping performance, and solves the heat resistance and stability of PBT engineering plastics through the compounding of antioxidants The selection of additives with good heat resistance and compatibility with PBT resin and the introduction of fillers with certain absorption properties for low-molecular substances in PBT resin ensure the low volatility and nucleation of PBT engineering plastics under high temperature conditions. The combination of additives, crystallization accelerators and lubricants makes PBT engineering plastics have high gloss and rapid prototyping performance