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Toughened and reinforced ABS material and preparation thereof

An ABS material and a toughening technology are applied in the field of toughening and reinforcing ABS materials and their preparation, which can solve the problems of low impact strength and poor toughness, and achieve the effects of improving toughness, impact strength and toughness.

Inactive Publication Date: 2008-11-12
SHENZHEN KEJU NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the defects of poor toughness and low impact strength of traditional glass fiber reinforced ABS materials, to provide a toughened and reinforced ABS material with high impact strength and good toughness, and to provide this kind of toughened ABS material at the same time. Preparation method of reinforced ABS material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Its acrylonitrile-butadiene-styrene copolymer (ABS) weight ratio of resin is: 55%; Toughener weight ratio is: 10%; Strengthening agent glass fiber weight ratio is: 30%; Compatibilizer (SMA ) weight ratio: 3.0%; coupling agent (KH-550) weight ratio: 0.5%; antioxidant (1010) weight ratio: 0.4%; antioxidant 168 weight ratio: 0.4%; The weight ratio of exposure agent (TAF) is: 0.7%. Mix for 4 minutes in a high-speed mixer;

[0035] The uniformly mixed components are placed in a twin-screw extruder, melted, mixed, extruded and granulated;

[0036] The temperature of the first zone of the twin-screw extruder: 170~180℃, the temperature of the second zone: 180~190℃, the temperature of the third zone: 200~210℃, the temperature of the fourth zone: 210~220℃, the temperature of the fifth zone: 200~210℃ , Six-zone temperature: 190-200°C, residence time 1-2 minutes, host speed: 300-350rpm.

Embodiment 2

[0038] Its acrylonitrile-butadiene-styrene copolymer (ABS) weight ratio of resin is: 50%; Toughener weight ratio is: 15%; Strengthening agent glass fiber weight ratio is: 30%; Compatibilizer (SMA ) weight ratio: 4.0%; coupling agent (KH-550) weight ratio: 0.3%; antioxidant (1010) weight ratio: 0.05%; antioxidant 168 weight ratio: 0.05%; The weight ratio of exposure agent (TAF) is: 0.6%. Mix for 4 minutes in a high-speed mixer;

[0039] Put the homogeneously mixed components in a twin-screw extruder, melt, mix, extrude and granulate;

[0040] The temperature of the first zone of the twin-screw extruder: 170~180℃, the temperature of the second zone: 180~190℃, the temperature of the third zone: 200~210℃, the temperature of the fourth zone: 210~220℃, the temperature of the fifth zone: 200~210℃ , Six-zone temperature: 190-200°C, residence time 1-2 minutes, host speed: 300-350rpm.

Embodiment 3

[0042]The weight ratio of tree acrylonitrile-butadiene-styrene copolymer (ABS) is: 65%; the weight ratio of toughening agent is: 8%; the weight ratio of reinforcing agent glass fiber is: 20%; compatibilizer (SMA) Weight ratio: 5.0%; coupling agent (KH-550) weight ratio: 0.4%; antioxidant (1010) weight ratio: 0.5%; antioxidant 168 weight ratio: 0.5%; glass fiber exposure prevention The weight ratio of agent (TAF) is: 0.6%; the above percentages are percentages by weight. Mix for 4 minutes in a high-speed mixer;

[0043] The uniformly mixed raw materials are placed in a twin-screw extruder, melted, mixed, extruded and granulated;

[0044] The temperature of the first zone of the twin-screw extruder: 170~180℃, the temperature of the second zone: 180~190℃, the temperature of the third zone: 200~210℃, the temperature of the fourth zone: 210~220℃, the temperature of the fifth zone: 200~210℃ , Six-zone temperature: 190-200°C, residence time 1-2 minutes, host speed: 300-350rpm.

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Abstract

The invention discloses a toughened and reinforced ABS material and a method for preparing the same. The toughened and reinforced ABS material is prepared by the following compositions by weight percentage: 55 to 75 percent of acrylonitrile-butadiene-styrene copolymers, 5 to 15 percent of toughening agent, 10 to 30 percent of reinforcing agent, 3.0 to 7.0 percent of compatilizer, 0.3 to 0.5 percent of coupling agent, 0.1 to 1.0 percent of antioxidant and 0.3 to 0.7 percent of glass-fiber exposure resistant agent. The method effectively improves the impact strength and the toughness of a whole system through addition of the toughening agent into an ABS and GF system. During the process of fusing and extruding the toughened and reinforced ABS, the toughening agent is uniformly distributed in ABS resins; when the material or a molded piece is impacted, the toughening agent which is uniformly dispersed in the ABS resins can effectively absorb the impact energy in time so as to improve the toughness of the reinforced ABS and make the molded piece achieve the effect that the molded piece can not be cracked when a self-tapping screw is tightened.

Description

[technical field] [0001] The invention relates to the technical field of polymer materials, in particular to a toughened and reinforced ABS material and a preparation method thereof. This kind of alloy can be used in electronic and electrical components, office equipment parts and shells, laptop and notebook computer shells, and other parts that require a certain strength and self-tapping screws. [Background technique] [0002] Acrylonitrile-butadiene-styrene copolymer (ABS) is an increasingly widely used engineering plastic. ABS has good rigidity, high impact strength, low temperature resistance, chemical resistance, mechanical strength and electrical properties, and heat resistance. , High surface hardness, easy to process, good dimensional stability and surface gloss, easy to make glass fiber reinforced products, easy to paint and color, and can also be used for secondary processing such as metal spraying, electroplating, welding and bonding. However, some of its shortco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08K13/04C08K7/14B29B9/14B29C47/92B29C48/92
CPCB29C47/92
Inventor 徐东贺永徐建辉
Owner SHENZHEN KEJU NEW MATERIAL
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