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Method for preparing defoaming, dehumidifying and drying mother stock for ABS(acrylonitrile- butadiene-styrene copolymer) plastic processing

A technology of styrene copolymer and butadiene, applied in coating and other directions, can solve the problems of rare practical application and difficult development, and achieve the effects of increasing labor insurance expenses, saving electric energy and improving production efficiency

Active Publication Date: 2008-02-06
SHANGHAI LINDA PLASTIC CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the particularity of the composition and structure of ABS resin, unlike polyolefin plastics, it is difficult to develop a defoaming, dehumidifying and drying masterbatch specially used for ABS plastics, and its practical application is even rarer.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] ABS plastic defoaming dehumidification and drying masterbatch, the preparation method steps are as follows:

[0025] (1), get 75 kilograms of calcium oxides in parts by weight, 17 kilograms of ABS resins, 1.5 kilograms of calcium stearate, 1.5 kilograms of aluminate coupling agents, 5 kilograms of random copolymerized polypropylenes;

[0026] (2) Put the above-mentioned raw materials in the ratio of parts by weight into a stirring mixer, and when the temperature of the raw materials is stirred to 100°C, it becomes a premix, and then put the premix into a pill making machine and knead it into a 5 mm diameter The bead-shaped particles can be made into ABS plastic defoaming dehumidification and drying masterbatch.

Embodiment 2

[0028] ABS plastic defoaming dehumidification and drying masterbatch, the preparation method steps are as follows:

[0029] (1), get 70 kilograms of calcium oxide in parts by weight, 20 kilograms of ABS resin, 2 kilograms of zinc stearate, 2 kilograms of titanate coupling agent, 6 kilograms of EPDM rubber;

[0030] (2) Put the above-mentioned raw materials in the ratio of parts by weight into a stirring mixer, and when the temperature of the raw materials is stirred to 100°C, it becomes a premix, and then put the premix into a pill making machine and knead it into a 5 mm diameter The bead-shaped particles can be made into ABS plastic defoaming dehumidification and drying masterbatch.

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PUM

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Abstract

The related preparation method for defoaming and dehumidifying masterbatch used in ABS plastic process comrpises: using CaO as the defoaming and dehumidifying agent, stearate as disperser for CaO, and both random copolymeric polypropylene and EPT rubber as surface modifier; blending, dispersing, and preparing the bead-shaped particles. This invention eliminates heat and dehumidification to reduce opposite investment and consumption even the comprehensive process cost greatly, and has bright application future in ABS process field.

Description

1. Technical field [0001] The invention relates to a method for preparing a masterbatch, in particular to a method for preparing a defoaming, dehumidifying and drying masterbatch for ABS (acrylonitrile-butadiene-styrene copolymer) plastic processing. 2. Background technology [0002] ABS resin is formed by the copolymerization of three monomers of acrylonitrile, butadiene and styrene. ABS resin combines the rigidity, surface hardness and high chemical stability of polyacrylonitrile, the good processability and gloss of polystyrene, and the impact resistance, toughness and elasticity of polybutadiene. It is used as a general-purpose thermoplastic engineering plastic. Widely used in automobile manufacturing industry and electronic and electrical industry. [0003] The mechanical properties of ABS plastic products directly affect the quality of ABS plastic products, and the factors affecting the mechanical properties of ABS plastic products include the properties of ABS plasti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L55/02C08J3/20B29B15/10
Inventor 王梓刚
Owner SHANGHAI LINDA PLASTIC CHEM CO LTD