Antistatic ABS (acrylonitrile-butadiene-styrene) modified material and preparation method thereof

A modified material and antistatic technology, applied in the field of ABS materials, can solve the problems of limiting the application range of ABS resin, poor antistatic performance, poor resin processing performance, etc., to achieve good dimensional stability, improve toughness and impact resistance. , the effect of increasing the heat distortion temperature

Active Publication Date: 2015-04-08
广东省天行健新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the antistatic performance of ABS is poor. If the antistatic performance of ABS can be improved, the application of ABS resin in automobiles, aviation, office machines, electronics and other fields will be further developed.
[0003] For some ABS antistatic products on the market, the upper limit of antistatic is only 9-10 orders of magnitude; some manufacturers improve the

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] An antistatic ABS modified material comprises the following raw materials in parts by weight:

[0054] ABS resin 62 parts

[0055] Antistatic agent 8 parts

[0056] Toughener 8 parts

[0057] Zinc stearate 0.8 parts

[0058] PETS 0.05 parts

[0059] PMI 0.3 parts

[0060] Diffuser 0.3 parts

[0061] Antioxidant 0.1 part;

[0062] The antistatic agent is a mixture of carbon black and carbon fiber in a weight ratio of 1:0.8.

[0063] The ABS resin is an acrylonitrile-butadiene-styrene copolymer with a density of 1.26, a melting point of 260°C, a molecular weight of 100,000, and a particle size of 5 μm. In the acrylonitrile-butadiene-styrene copolymer, propylene The weight percentage of the nitrile monomer is 20%, the weight percentage of the butadiene monomer is 20%, and the weight percentage of the styrene monomer is 60%.

[0064] Described carbon black is specific surface area at 80m 3 / g, particle diameter at the carbon black of 8nm; Described carbon fiber is ...

Embodiment 2

[0077] An antistatic ABS modified material comprises the following raw materials in parts by weight:

[0078] ABS resin 70 parts

[0079] Antistatic agent 9 parts

[0080] Toughener 9 parts

[0081] 1 part zinc stearate

[0082] PETS 0.07 parts

[0083] PMI 0.4 parts

[0084] Diffuser 0.4 parts

[0085] Antioxidant 0.2 parts;

[0086] The antistatic agent is a mixture of carbon black and carbon fiber in a weight ratio of 1:0.9.

[0087] The ABS resin is an acrylonitrile-butadiene-styrene copolymer with a density of 1.26, a melting point of 265°C, a molecular weight of 150,000, and a particle size of 7 μm. In the acrylonitrile-butadiene-styrene copolymer, propylene The weight percentage of the nitrile monomer is 22%, the weight percentage of the butadiene monomer is 22%, and the weight percentage of the styrene monomer is 56%.

[0088] Described carbon black is specific surface area at 95m 3 / g, particle diameter at the carbon black of 9nm; Described carbon fiber is th...

Embodiment 3

[0101] An antistatic ABS modified material comprises the following raw materials in parts by weight:

[0102] ABS resin 78 parts

[0103] Antistatic agent 10 parts

[0104] Toughener 10 parts

[0105] Zinc stearate 1.2 parts

[0106] PETS 0.1 part

[0107] PMI 0.5

[0108] Diffuser 0.5 parts

[0109] Antioxidant 0.3 part;

[0110] The antistatic agent is a mixture of carbon black and carbon fiber in a weight ratio of 1:1.

[0111] The ABS resin is an acrylonitrile-butadiene-styrene copolymer with a density of 1.27, a melting point of 270°C, a molecular weight of 200,000, and a particle size of 10 μm. In the acrylonitrile-butadiene-styrene copolymer, propylene The weight percentage of the nitrile monomer is 25%, the weight percentage of the butadiene monomer is 25%, and the weight percentage of the styrene monomer is 50%.

[0112] Described carbon black is specific surface area at 110m 3 / g, particle diameter at the carbon black of 10nm; Described carbon fiber is the c...

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Abstract

The invention relates to the technical field of ABS (acrylonitrile-butadiene-styrene) materials, and in particular relates to an antistatic ABS modified material and a preparation method thereof. The modified material comprises the following raw materials in parts by weight: 62-94 parts of ABS resin, 8-12 parts of an antistatic agent, 8-12 parts of a toughening agent, 0.8-1.6 parts of zinc stearate, 0.05-0.15 part of PETS, 0.3-0.7 part of PMI, 0.3-0.7 part of a diffusant and 0.1-0.6 part of an antioxidant, wherein the antistatic agent is a mixture consisting of carbon black and carbon fiber in a weight ratio of 1:(0.8-1.2). According to the preparation method provided by the invention, the antistatic property, processability and shock resistance of the modified material are improved by adding the antistatic agent, the toughening agent, the PETS and the PMI to perform co-blending modification, so that the surface resistivity of the modified material reaches 5-7 orders of magnitude, and is significantly improved in comparison with that of the existing antistatic ABS material.

Description

technical field [0001] The invention relates to the technical field of ABS materials, in particular to an antistatic ABS modified material and a preparation method thereof. Background technique [0002] ABS is an acrylonitrile-butadiene-styrene copolymer. It is an engineering plastic with good comprehensive properties. It has good dimensional stability, outstanding impact resistance, heat resistance, dielectric properties, and wear resistance. Good surface gloss, easy painting and coloring and other advantages. ABS resin has been widely used in household appliances, construction, automobiles, office supplies and other industries. However, the antistatic performance of ABS is poor. If the antistatic performance of ABS can be improved, the application of ABS resin in the fields of automobiles, aviation, office machines, and electronics will be further developed. [0003] For some ABS antistatic products on the market, the upper limit of antistatic is only 9-10 orders of magn...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08K13/04C08K7/06C08K3/04C08K5/134C08K5/526C08K5/3415C08K5/098C08K5/103B29C47/92B29C48/92
Inventor 刘福军
Owner 广东省天行健新材料股份有限公司
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