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Conductive PPO material and preparation method thereof

A technology of conductive carbon black and weight percentage, applied in the field of engineering plastics, can solve the problems of poor temperature resistance and antistatic ability, poor mechanical properties, temperature resistance and antistatic ability, and high production cost, and achieves good temperature resistance, The effect of excellent processing performance and high toughness

Active Publication Date: 2014-10-29
DONGGUAN DECHENG PLASTIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can improve the flow properties of the PPO / PS system, the impact resistance of the alloy is poor and the production cost is high
[0008] CN103172997A discloses a low-density polyphenylene ether / polystyrene blended alloy material and its preparation method. The alloy material uses glass microspheres added to the PPO / PS plastic alloy, although the product’s compression resistance and impact resistance have been improved. , but the antistatic ability of the alloy has not been improved
[0009] CN102311634A discloses a PPO composite material, its preparation method and application. 5-tolylphenyl) acrylate, dilauryl thiodipropionate, tris(nonylphenyl phosphite), zinc oxide, anti-ultraviolet agent and carbon black, etc., make PPO composites have excellent mechanical properties, excellent Anti-aging, anti-ultraviolet, and hydrolysis resistance, but its temperature resistance and antistatic ability are poor
[0012] However, in the above-mentioned literature related to PPO alloys, there are generally defects in mechanical properties, temperature resistance and antistatic ability.

Method used

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  • Conductive PPO material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] (1) Prepare raw materials according to the following percentages by weight:

[0044] PPO50%, GPPS13%, SMA3%, SEBS-MA2%, conductive carbon black 30%, surfactant 1%, lubricant 0.5%, antioxidant 0.5%; the sum of the above components is 100%;

[0045]The PPO is LXR045 of Blue Star; the GPPS is PG-383 of Chimei; the SMA is SMA-700 of Shanghai Huawen Electronic New Materials Co., Ltd.; the SEBS-MA is FG1901GT of Kraton; Conductive carbon black is Cabot conductive carbon black; Described tensio-active agent is ethylene bis stearamide (EBS); Described lubricant is Clariant wax powder PE520; Described antioxidant is BASF antioxidant 168;

[0046] (2) Carbon black pretreatment: Put the carbon black into a high-speed mixer, preheat at a low speed of 300r / min for 10min at 100°C, remove moisture, and then add surfactants, lubricants and antioxidants in proportion, at a high speed of 1500r / min for 15min.

[0047] (3) Mix the treated carbon black with PPO, GPPS, SMA, and SEBS-MA in...

Embodiment 2

[0049] (1) Prepare raw materials according to the following percentages by weight:

[0050] PPO52%, GPPS15%, SMA6%, SEBS-MA2.5%, conductive carbon black 21%, surfactant 1.5%, lubricant 1.5%, antioxidant 0.5%; the sum of the above components is 100%;

[0051] The PPO is LXR040 of Bluestar; the GPPS is GP5500 of Taihua; the SMA is SMA-700 of Shanghai Huawen Electronic New Materials Co., Ltd.; Carbon black is Evonik Degussa conductive carbon black; The surfactant is a silane coupling agent; The lubricant is Honeywell6A wax; The antioxidant is BASF antioxidant 1010;

[0052] (2) Carbon black pretreatment: Put the carbon black into a high-speed mixer, preheat at a low speed of 300r / min for 10min at 100°C, remove moisture, and then add surfactants, lubricants and antioxidants in proportion, at a high speed of 1500r / min processing 18min.

[0053] (3) Mix the treated carbon black with PPO, GPPS, SMA, and SEBS-MA in proportion, and then use a twin-screw extruder to granulate.

Embodiment 3

[0055] (1) Prepare raw materials according to the following percentages by weight:

[0056] PPO55%, GPPS10%, SMA8%, SEBS-MA3.5%, conductive carbon black 20%, surfactant 1.8%, lubricant 1.2%, antioxidant 0.5%; the sum of the above components is 100%;

[0057] The PPO is LXR050 of Bluestar; the GPPS is PG-383 of Chimei; the SMA is SMA-700 of Shanghai Huawen Electronic New Materials Co., Ltd.; the SEBS-MA is FG1901GT of Kraton; The conductive carbon black is Kejen EC-300J; the surfactant is an aluminate coupling agent; the lubricant is Clariant wax powder PE520; the antioxidant is BASF antioxidant 168;

[0058] (2) Carbon black pretreatment: Put the carbon black into a high-speed mixer, preheat at a low speed of 300r / min for 10min at 100°C, remove moisture, and then add surfactants, lubricants and antioxidants in proportion, at a high speed of 1500r / min for 20min.

[0059] (3) Mix the treated carbon black with PPO, GPPS, SMA, and SEBS-MA in proportion, and then use a twin-scre...

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Abstract

The invention relates to a conductive PPO material and a preparation method thereof. The conductive PPO material comprises the following components in percentage by weight: 50 to 60% of PPO, 10 to 15% of GPPS, 2 to 8% of SMA, 2 to 5% of SEBS-MA, 15 to 30% of conductive carbon black, 1 to 3% of surfactant, 0.5 to 2% of lubricant, and 0.3 to 0.5% of antioxidant, wherein the sum of the weight percentage of the components mentioned above is 100%. The preparation method comprises the following steps (1) carrying out pretreatment on carbon black; (2) mixing the pretreated carbon black with PPO, GPPS, SMA, and SEBS-MA according to the ratio mentioned above, and finally granulating the mixture by a double-screw extruding machine. The surface resistance and volume resistance of the obtained conductive PPO material are small, and the conductive PPO material has the advantages of excellent processing performance, high rigidity, high roughness, and excellent temperature tolerant performance.

Description

technical field [0001] The invention relates to the technical field of engineering plastics, in particular to a PPO and a preparation method thereof, in particular to a conductive PPO material and a preparation method thereof. Background technique [0002] Polyphenylene ether is a high-strength engineering plastic developed in the 1960s. Its chemical name is poly 2,6-dimethyl-1,4-phenylene ether, referred to as PPO (Polyphenylene Oxide) or PPE (Polypheylene ether), also known as It is polyphenylene oxide or polyphenylene ether. [0003] Unmodified polyphenylene ether (PPO) resin has poor solvent resistance, the product is prone to stress cracking, low notched impact strength, high melt viscosity, and extremely poor processability, so pure PPO resin cannot be molded by injection method, so greatly limited its application. [0004] In order to overcome these shortcomings of unmodified polyphenylene ether, various modifications have been made to PPO. Modification methods inc...

Claims

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Application Information

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IPC IPC(8): C08L71/12C08L25/06C08L51/00C08L35/06C08K3/04
Inventor 王玉庭邹全亮
Owner DONGGUAN DECHENG PLASTIC TECH