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Metal-imitated high-gloss ABS (Acrylonitrile Butadiene Styrene) alloy and preparation method thereof

A high-gloss, metal-like technology, applied in the field of polymer materials, can solve the problems of large market and no high-gloss ABS alloy, and achieve consistent performance, uniform color, and environmental friendliness

Inactive Publication Date: 2011-02-16
SHENZHEN KEJU NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] High-gloss ABS materials are mainly used in spray-free home appliance parts, and the market is huge; but the existing technology is mainly high-gloss black or colored materials, and there is no high-gloss ABS alloy that imitates the metal surface

Method used

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  • Metal-imitated high-gloss ABS (Acrylonitrile Butadiene Styrene) alloy and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0027] A method for preparing the above-mentioned high-gloss ABS alloy includes:

[0028] Step 1: The content of polyacrylonitrile-butadiene-styrene 50-80%, polyacrylonitrile-styrene 14-43.5%, toughening agent 1-5%, aluminum silver paste 1-3%, Lubricant 0.5~2% Weigh each component;

[0029] Step 2: Add the components weighed in step 1 to a low-speed mixer and mix;

[0030] Step 3: Add the mixture material obtained in step 2 to a twin-screw extruder, melt and extrude, and pelletize; the process conditions are: temperature in the first zone is 185℃~190℃; temperature in the second zone is 190℃~195℃; temperature in the third zone 200℃~205℃; four zone temperature 200℃~210℃; five zone temperature 205℃~210℃; six zone temperature 200℃~215℃; seven zone temperature 210℃~215℃; machine head temperature 215℃~225℃ ; The residence time is 2 to 3 minutes, the pressure is 10 to 15 MPa, the screw speed is 280 to 350 revolutions per minute, the feeding frequency is 20 to 30 Hz, and the vacuum degree ...

Embodiment 1

[0034] The metal-like high-gloss ABS alloy in this embodiment is composed of the following components by weight percentage: ABS 50%, SAN 43.5%, toughening agent 5%, aluminum silver paste 1%, and lubricant 0.5%;

[0035] The preparation method is as follows:

[0036] Weigh the above weight percentages of each component, and add them to a low-speed mixer to mix, add the mixed materials to the hopper of the twin-screw extruder, melt and blend, extrude and granulate into ABS alloy; The conditions are: temperature in zone one is 185℃; temperature in zone two is 195℃; temperature in zone three is 200℃; temperature in zone four is 210℃; temperature in zone five is 210℃; temperature in zone six is ​​215℃; temperature in zone seven is 215℃; machine head temperature is 220℃ ; The residence time is 2min, the pressure is 15MPa, the screw speed is 280 rpm, the feeding frequency is 20Hz, and the vacuum degree is -0.05MPa.

Embodiment 2

[0038] The metal-like high-gloss ABS alloy in this embodiment is composed of the following components by weight percentage: ABS 60%, SAN 33.7%, toughening agent 4%, aluminum silver paste 1.5%, lubricant 0.8%;

[0039] The preparation method is as follows:

[0040] Weigh the above weight percentages of each component, and add them to a low-speed mixer to mix, add the mixed materials to the hopper of the twin-screw extruder, melt and blend, extrude and granulate into ABS alloy; The conditions are: temperature in zone one is 185℃; temperature in zone two is 200℃; temperature in zone three is 200℃; temperature in zone four is 210℃; temperature in zone five is 205℃; temperature in zone six is ​​215℃; temperature in zone seven is 215℃; machine head temperature is 220℃ ; The residence time is 3min, the pressure is 10MPa, the screw speed is 350 rpm, the feeding frequency is 30Hz, and the vacuum degree is -0.03MPa.

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Abstract

The invention discloses an metal-imitated high-gloss ABS (Acrylonitrile Butadiene Styrene) alloy and a preparation method thereof. The imitation metal high-gloss ABS alloy comprises the following components in percentage by weight: 50-80 percent of polyacrylonitrile-butadiene-styrene, 14-43.5 percent of polyacrylonitrile-styrene, 1-5 percent of toughener, 1-3 percent of aluminum paste and 0.5-2 percent of lubricant. In the method, an imitation metal surface ABS alloy is obtained by adopting an aluminum paste coloring technology; moreover, a low-speed mixer is used for mixing the aluminum paste and other components together; a double screw extruder is used for fusing and pelleting; and based on the dispersing function of the double screw extruder, when mixed particles are pelleted by double screws, the aluminum paste and relevant addition agents are dispersed in plastic particles evenly so as to obtain the high-gloss ABS alloy which has homogeneous color, attractive appearance and consistent performance. The metal-imitated high-gloss ABS alloy can be directly injected and is environment-friendly.

Description

Technical field [0001] The invention relates to the technical field of polymer materials, in particular to a metal-imitating high-gloss ABS alloy and a preparation method thereof. Background technique [0002] ABS resin is a kind of thermoplastic polymer material with high strength, good toughness and easy processing and molding, and it is widely used in the market. Due to different requirements, engineers also modify it from different aspects, including flame-retardant, heat-resistant, enhanced, and high-gloss types. [0003] High-gloss ABS materials are mainly used for spray-free home appliance parts, and the market is huge; however, the existing technology is mainly high-gloss black or color materials, and there is no high-gloss ABS alloy that imitates metal surfaces. Summary of the invention [0004] The invention provides a high-gloss ABS alloy imitating metal and a preparation method thereof. The high-gloss ABS alloy imitates a metal surface, has bright appearance and uniform...

Claims

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Application Information

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IPC IPC(8): C08L51/00C08K5/20C08L55/02C08L25/12C08K3/08
Inventor 徐东徐永占光平
Owner SHENZHEN KEJU NEW MATERIAL
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