High-gloss ABS (acrylonitrile-butadiene-styrene) alloy and method for preparing same from matte ABS

An alloy, high-gloss technology, applied in the field of high-gloss ABS alloy and its preparation, can solve the problems of poor fluidity and poor colorability, and achieve the effects of reduced cost, excellent gloss and simple process

Active Publication Date: 2013-04-17
SHANDONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Matte ABS is cheap and has excellent impact resistance. However, due to its poor fluidity and poor colorability, there is still no use of matt ABS base materials. It is suitable for rapid thermal cycle high-gloss injection molding technology through physical modification. A report on high-performance high-gloss ABS alloy and its preparation method

Method used

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  • High-gloss ABS (acrylonitrile-butadiene-styrene) alloy and method for preparing same from matte ABS
  • High-gloss ABS (acrylonitrile-butadiene-styrene) alloy and method for preparing same from matte ABS
  • High-gloss ABS (acrylonitrile-butadiene-styrene) alloy and method for preparing same from matte ABS

Examples

Experimental program
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Effect test

Embodiment 1

[0034] For the high-gloss ABS alloy, the weight composition of its raw materials is shown in Table 1.

[0035] The matt ABS resin is selected from acrylonitrile-styrene-butadiene graft copolymer (Shanghai Gaoqiao ABS275), with a melt flow rate of 8g / 10min (10Kg, 220°C) and high impact resistance (notched impact strength). is 270J / m);

[0036] The selected permeability AS is Taiwan Taihua NF2200, which has high hardness, high transparency and high melt flow rate, and the melt index is 35g / 10min;

[0037] The selected black masterbatch is ABS-based high-precision color masterbatch, such as bright pigment masterbatch 2016C;

[0038] The selected processing aid is a combination of lubricant, white mineral oil and brightener, wherein the weight ratio is 1 part of lubricant, 0.2 part of white mineral oil, and 0.5 part of brightener.

[0039] The selected light stabilizers are Irganox1010 and Irganox168 of Ciba Corporation.

[0040] Dry the matt ABS resin, AS (SAN), black masterbatc...

Embodiment 2

[0044] For the high-gloss ABS alloy, the weight composition of its raw materials is shown in Table 1, and the preparation method is the same as that in Example 1.

Embodiment 3

[0046] For the high-gloss ABS alloy, the weight composition of its raw materials is shown in Table 1, and the preparation method is the same as that in Example 1.

[0047] Table 1 embodiment proportioning

[0048]

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Abstract

The invention relates to a high-gloss ABS (acrylonitrile-butadiene-styrene) alloy and a method for preparing the same from matte ABS, which comprises the following steps: preparing matte ABS resin, permeable AS (acrylonitrile-styrene), black color master batch, photostabilizer and processing assistant in a weight ratio of (40-80):(20-60):(3-7):(0.2-2):(0.1-5), respectively drying, thoroughly mixing in a high-speed mixer, sending the mixture into a double screw extruder, compounding, extruding, drawing, cooling, granulating and drying to obtain the injection molding finished product. By material selection, advantage complementation of different component materials, combination of preparation technique quick thermal circulation injection molding technique and other measures, the invention greatly lowers the raw material cost on the premise of ensuring excellent performance indexes, and especially overcomes the defects of low gloss, poor permeability, poor density and poor flowing property of the matte material, thereby implementing application in the high-end field and obviously lowering the material cost.

Description

technical field [0001] The invention relates to a high-gloss ABS alloy and its preparation, which is mainly used in a rapid thermal cycle injection molding process, and uses matte ABS to produce shell-like appearance injection molding with high requirements for appearance (including gloss, weld line, flow mark, color, etc.). components (such as display front shell, etc.), low production cost, excellent comprehensive performance, and has broad market prospects. Background technique [0002] The development of a new type of spray-free high-gloss ABS alloy and its preparation technology is an important development direction for the plastic shell materials of medium and high-end electrical appliances. Through the design of polymer materials and the cooperation of the rapid thermal cycle injection molding process and the high-gloss mold, the green injection molding effect of energy saving, environmental protection, high-gloss and spray-free can be achieved. [0003] Rapid Heatin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L51/00C08L25/12B29B9/06B29C47/92B29C45/78B29C48/92
CPCB29C48/0022B29C48/04B29C48/40B29C48/911
Inventor 赵国群王伟华高民王成功管延锦王小新
Owner SHANDONG UNIV
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