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High-light ABS alloy and method for producing the same

An alloy and high-gloss technology is applied in the field of high-gloss ABS alloy and its preparation, which can solve the problems of increasing the total cost of the alloy, high amount of PMMA, low alloy surface hardness, etc., and achieves the effects of low cost, simple preparation process and high impact strength.

Inactive Publication Date: 2009-08-19
徐东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing PMMA / ABS alloy formula, the amount of PMMA is high, which increases the total cost of the alloy, and at the same time, the surface hardness of the prepared alloy is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] ABS (about 20% rubber content, about 40% styrene content, about 10% acrylonitrile content) weight ratio is 30% (the following are weight ratio), PMMA 30%, AS 25%, toughening agent high rubber powder HR-181 12.5%, black mother UN606 2%, lubricant 0.5%. The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each heating zone of the screw are as follows: first zone temperature: 185°C; second zone: 195°C; third zone: 200°C; fourth zone: 210°C; fifth zone temperature 210°C; Zone temperature 215°C; machine head: 220°C; residence time 2-3min. The pressure is 15MPa.

Embodiment 2

[0032] ABS (about 26% rubber content, about 45% styrene content, about 15% acrylonitrile content) weight ratio is 40% (the following are weight ratio), PMMA 25%, AS 25%, toughening agent high rubber powder HR-181 7.5%, black masterbatch 2%, lubricant 0.5%. The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each heating zone of the screw are as follows: first zone temperature: 185°C; second zone: 195°C; third zone: 200°C; fourth zone: 210°C; fifth zone temperature 210°C; Zone temperature 215°C; machine head: 220°C; residence time 2-3min. The pressure is 15MPa.

Embodiment 3

[0034] ABS (about 20% rubber content, about 50% styrene content, about 15% acrylonitrile content) weight ratio is 45% (the following are weight ratio), PMMA 20%, AS 25%, toughening agent high rubber powder HR-181 7.5%, black mother UN606 2%, lubricant 0.5%. The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each heating zone of the screw are as follows: first zone temperature: 185°C; second zone: 195°C; third zone: 200°C; fourth zone: 210°C; fifth zone temperature 210°C; Zone temperature 215°C; machine head: 220°C; residence time 2-3min. The pressure is 15MPa.

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PUM

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Abstract

The invention discloses a high light ABS alloy and a preparation method thereof. The high light ABS alloy comprises the components with the weight percentage as follows: 30-60 percent of ABS, 20-30 percent of PMMA, 10-25 percent of AS, 1-15 percent of toughener, 1-3 percent of black master and 0.3-0.6 percent of lubricant. The material has high impact strength, high modulus, high rigidity, high surface glossiness and good surface scratch-resistance, preserves the good processability and toughness of ABS and also has the advantages of the excellent weatherability, surface rigidity, and glossiness and the like of PMMA and AS, so the ABS alloy has the weatherability, the surface scratch-resistance and the glossiness far better than the ordinary ABS material. The high light ABS alloy has the low content of the PMMA and can reduce the production cost. The preparation method comprises the technical steps as follows: firstly, the raw materials are mixed in proportion as above and then are put into a plastic extruder to be granulated at the temperature controlled within 185 DEG C to 220 DEG C; and the high light ABS alloy is obtained.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a high-gloss ABS alloy and a preparation method thereof. [Background technique] [0002] ABS (acrylonitrile-butadiene-styrene) is a graft copolymer of acrylonitrile (Acrylonitrile), 1,3-butadiene (Butadiene) and styrene (Styrene). It has high strength and toughness. Good, easy to process the advantages of molding. But the weather resistance is poor. [0003] PMMA (polymethyl methacrylate), also known as plexiglass, has good optical transparency. It not only has a high light transmittance (about 92%), but also has the characteristics of high mechanical strength, light weight, resistance to ultraviolet rays and outdoor aging, and excellent electrical properties. But toughness is poor. [0004] The alloy prepared by adding part of PMMA resin to ABS resin has good surface gloss, good toughness and high hardness at the same time. An appropriate amount of AS is added to ...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L33/12C08L25/12C08K5/20B29B9/00B29C47/92B29C48/40B29C48/92
CPCB29C48/92B29C2948/92704B29C48/04B29C48/40B29C48/9185B29C2948/92514B29C2948/92561B29C2948/92895
Inventor 徐东贺永张博
Owner 徐东
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