Transparent film masterbatch and its preparing method

Abstract

The invention discloses a transparent film mother material and preparing method, which comprises the following parts: 75-85% talcum powder, 5-16% low-density polyethylene, 5-8% ethane-octanolefin copolymer, 0.5-1% alpha-methyl phenylethene polymer, 0.5-2% zinc stearate, 0.5-2% polyethylene wax, 0.5-2% monoglyester, 0.5-2% phosphite ester coupler, 0.5-2% rare earth coupler and 0.5-2% white oil. The making method comprises the following steps: cladding surface of talcum powder through phosphite ester coupler and rare earth coupler in the high-speed blender; cladding talcum powder through ethane-octanolefin copolymer; cladding talcum powder through low-density polyethylene, alpha-methyl phenylethene polymer, zinc stearate, polyethylene wax and monoglyester; adding white oil to stir 2min; placing composite materials into twin-screw extruder; plastifying; graining; heating to cut; winding to obtain the particle-shaped mother material.

Description

1. Technical field: [0001] The invention relates to a masterbatch and a preparation method thereof, in particular to a transparent film masterbatch and a preparation method thereof. 2. Background technology: [0002] In China's plastic processing industry, the plastic packaging industry and the agricultural plastic industry are the industries with the largest output. Among them, various and varied plastic films such as packaging films, agricultural land films, and greenhouse films, whether blow-molded or tape-cast, and extended products of films, such as composite films and geocomposites, use a large amount of resin , mainly high-density polyethylene, low-density polyethylene and linear low-density polyethylene. [0003] In the context of rising oil prices, the price of resin has soared, but the price of products cannot be increased, which makes plastic processing enterprises fall into a very difficult situation. How to face the price increase of plastic raw materials, man...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that not only the mechanical properties of the plastic film decrease after using the filler masterbatch, especially the light transmittance, but also the transparency. Good light transmittance, high transparency, and can greatly reduce costs

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