Ultra-light functional masterbatch, plastic product based on the masterbatch and method for preparing the plastic product by rotational molding

Abstract

The invention discloses a super-light functional master batch, which is prepared from the following components in ratio: 20-70 parts of resin, 10-50 parts of fillers, 5-20 parts of a viscosity adjusting auxiliary, 5-50 parts of a functional auxiliary, 0.1-1 part of a processing thermal stabilizer and 0.1-2 parts of a processing lubricant, wherein the resin is PP, ABS or PA; the fillers are hollow glass beads or phenolic beads; the invention further discloses a plastic product prepared from 40-60 parts of matrix plastic and 20-30 parts of super-light functional master batch; the invention further discloses a method for preparing the functional plastic through rotational molding after the matrix plastic and the functional master batch are heated to a molten / half molten state. According to the invention, after the matrix plastic and the functional master batch are heated to a certain temperature and the rotational molding is carried out, and under the effect of the centrifugal force, the matrix plastic moves towards an outer layer, so that the selective distribution of the functional auxiliary is achieved; the dosage of the functional auxiliary can be reduced and the performance of the products is improved.

Description

technical field [0001] The invention belongs to the field of organic polymer materials and relates to an ultra-light functional masterbatch, a plastic product based on the masterbatch and a method for preparing the plastic product by rotational molding. Background technique [0002] Chemically synthesized resin is limited by its own performance, and its strength, stability, processability, and functionality cannot meet the requirements of use, and cannot be directly used to produce plastic products. At present, it is generally used to add fillers or functional additives to improve its performance. performance. Various additives in the plastic products obtained by conventional injection molding technology are evenly dispersed in the matrix, in order to obtain plastic products with certain functions (such as flame retardant, antistatic, conductive, wear-resistant, weather-resistant, thermally conductive, luminescent or corrosion-resistant) Performance), a large amount of func...

AI Technical Summary

Problems solved by technology

Masterbatch is one of the most important forms of plastic additives in the world today. It has the advantages of simple process, convenient use, easy production automation, improved labor productivity, and avoiding environmental pollution. However, if too much masterbatch is added, it will not only cause The cost rises, and it leads to an increase in processing difficulty and a decrease in material performance

Images