Halogen-free environmentally-friendly high temperature nylon

Abstract

The invention relates to an organic polymer composite material, specifically speaking, relates to a halogen-free environmentally-friendly high temperature nylon. The halogen-free environmentally-friendly high temperature nylon comprises the following raw materials by weight ratio: 35.5-75% of high temperature nylon, 5-25% of halogen-free alkali-free glass fiber, 0.1-8% of filler, 0.1-3.0% of heat stabilizer, 0.1-3.0% of glass fiber processing agent, 0.2-2.5% of lubricant, 0.1-0.5% of other auxiliary agents and 1-5% of active carbon. The halogen-free environmentally-friendly high temperature nylon has the beneficial effects of using a halogen-free environmentally-friendly technology, reducing the halogen in plastic and generating no toxic gas during burning, and has advantages of no pollution on human body and environment as well as environmental protection.

Description

technical field [0001] The invention relates to an organic polymer composite material, more specifically, relates to a halogen-free environment-friendly high-temperature nylon. Background technique [0002] At present, there are many kinds of flame retardants that can be used for nylon, brominated flame retardants such as decabromodiphenyl ether, decabromodiphenylethane, etc., phosphorus flame retardants such as red phosphorus, melamine, cyanurate (MCA) , Solid flame retardants such as antimony trioxide, zinc borate, etc., the synergistic effect between some flame retardants. [0003] From the perspective of use effect and dosage, among the nylon flame retardant systems, the halogen-containing flame retardant system is the most widely used. Among the halogen-containing flame retardant systems, polybrominated styrene is widely used abroad. It is a homopolymer of dibromostyrene, which has excellent thermal stability and good miscibility with nylon. It has good fluidity, but ...

AI Technical Summary

Problems solved by technology

[0007] The preparation method of the halogen-free environment-friendly high-temperature nylon of the present invention comprises the following steps: making high-temperature nylon into an aqueous solution of about 30%, adding it to the reaction kettle, controlling the temperature in the reaction kettle at 55-70° C. While stirring, slowly add a certain proportion of halogen-free and alkali-free glass fibers, fillers, heat stabilizers, glass fiber treatment agents, lubricants, and other additives. The addition of these agents can improve the original plastic Some existing problems, such as poor wear resistance, mechanical properties, and poor lubricating properties, after the reaction is completed, use activated carbon to purify and remove impurities and filter to obtain a 50% high-temperature nylon salt solution