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Novel antistatic ABS composite material and preparation method thereof

A composite material and antistatic technology, which is applied in the field of antistatic ABS composite materials and its preparation, can solve the problems of difficult formation of conductive paths, easy generation of stress concentration areas, and decline in mechanical properties, and achieve good mechanical strength, good conductivity, The effect of superior performance

Active Publication Date: 2019-12-27
CHANGCHUN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In practical applications, antistatic agents and ABS resins have disadvantages such as poor compatibility, easy agglomeration, and easy stress concentration areas, which make it difficult to form a conductive path inside the resin and lead to a significant decline in its mechanical properties.

Method used

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  • Novel antistatic ABS composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] In parts by weight, weigh 23 parts of ABS powder, 70 parts of SAN resin, 5 parts of compatibilizer 1, 2 parts of antistatic agent, and 0.1 part of antioxidant.

[0029] The manufacturing method of the above-mentioned embodiment: weigh the above raw materials according to the proportion by weight, put them into an oven to dehumidify and dry, then add the raw materials to a mixer and stir them evenly, and extrude them in a twin-screw extruder. Each temperature zone of the extruder The range is 200-220°C and the screw speed is 150-450rpm. The extruded strands are cooled and hardened in a circulating water tank, and then cut and granulated by a pelletizer to obtain finished products of small particles. The ABS composite material is injected through an injection molding machine to obtain a sample for performance testing.

Embodiment 2

[0031] In parts by weight, 23 parts of ABS powder, 70 parts of SAN resin, 5 parts of compatibilizer 2, 2 parts of antistatic agent and 0.2 part of antioxidant were weighed respectively.

[0032] The manufacturing method of the above-mentioned embodiment: weigh the above raw materials according to the proportion by weight, put them into an oven to dehumidify and dry, then add the raw materials to the mixer and stir them evenly, and extrude them in a twin-screw extruder. The range is 200-220°C and the screw speed is 150-450rpm. The extruded strands are cooled and hardened in a circulating water tank, and then cut and granulated by a pelletizer to obtain finished products of small particles. The ABS composite material is injected through an injection molding machine to obtain a sample for performance testing.

Embodiment 3

[0034] In parts by weight, weigh 23 parts of ABS powder, 70 parts of SAN resin, 5 parts of compatibilizer 3, 2 parts of antistatic agent, and 0.3 parts of antioxidant.

[0035] The manufacturing method of the above-mentioned embodiment: weigh the above raw materials according to the proportion by weight, put them into an oven to dehumidify and dry, then add the raw materials to the mixer and stir them evenly, and extrude them in a twin-screw extruder. The range is 200-220°C and the screw speed is 150-450rpm. The extruded strands are cooled and hardened in a circulating water tank, and then cut and granulated by a pelletizer to obtain finished products of small particles. The ABS composite material is injected through an injection molding machine to obtain a sample for performance testing.

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Abstract

The invention relates to the field of high polymer materials, and discloses an antistatic ABS composite material and a preparation method thereof. The antistatic ABS composite material is prepared from the following components in parts by weight: 22 to 25 parts of ABS powder, 65 to 75 parts of SAN resin, 5 to 10 parts of compatilizer, 2 to 5 parts of antistatic agent and 0.1 to 0.3 part of antioxidant. According to the invention, ABS is used as matrix resin, and carbon nanotubes are used as an anti-static agent; meanwhile, the ionic liquid is introduced as a compatilizer of the ABS resin and the carbon nanotubes, so that the carbon nanotubes can be well dispersed in the ABS resin and form a conductive path, the ABS composite material has excellent antistatic property, impact resistance andflowability, and the resistivity of the ABS composite material is reduced from 10<16> ohms to 10<5> ohms. The composite material can be widely applied to the fields of instrument equipment, medical equipment and the like with higher requirements on the antistatic property of the material.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to an antistatic ABS composite material and a preparation method thereof. Background technique [0002] ABS resin is a thermoplastic polymer material with superior performance, which has excellent properties such as high impact resistance, high rigidity, chemical resistance and low temperature resistance. ABS processing has stable dimensions, good surface gloss, and is easy for secondary processing such as painting, coloring, metal spraying, and electroplating. It can be widely used in various fields such as machinery industry, automobile industry, electronic appliance industry, and instrument industry. The development trend of ABS is to develop high-performance and multi-functional special resins, in order to improve the added value and market competitiveness of products. The volume resistivity of general-purpose ABS resin is generally 5×10 16 Ω, the static charge inside it is ea...

Claims

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Application Information

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IPC IPC(8): C08L25/12C08L55/02C08K3/04C08K5/3445
CPCC08L25/12C08L2201/04C08K2201/017C08K2201/011C08K2201/003C08K2201/004C08K2201/006C08L55/02C08K3/041C08K5/3445
Inventor 孙树林赵雪悠陆书来孙春福宋振彪
Owner CHANGCHUN UNIV OF TECH
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