Reinforced high heat resistance and conductivity polyphenyl ether nylon alloy and preparation method thereof

A polyphenylene ether, high heat-resistance technology is applied in the field of reinforced high-heat-resistance conductive polyphenylene ether nylon alloy and its preparation, and achieves the effects of good dimensional stability, optimized processing performance, and excellent electrical conductivity.

Inactive Publication Date: 2013-03-13
SHANGHAI SUNNY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004]The materials prepared in the above studies are all non-fiber reinforced materials, but there is no information about

Method used

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  • Reinforced high heat resistance and conductivity polyphenyl ether nylon alloy and preparation method thereof
  • Reinforced high heat resistance and conductivity polyphenyl ether nylon alloy and preparation method thereof

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preparation example Construction

[0043] The preparation method comprises the following steps:

[0044] (1) Weigh raw materials according to weight ratio: polyphenylene ether 10-50%, nylon 10-40%, compatibilizer 5-15%, toughening agent 2-20%, dispersant 0.2-2%, antioxidant Add 0.2-0.6% of the agent, put it into the high mixer and mix for 2-5 minutes, and then add it from the first section of the twin-screw extruder;

[0045] (2) Add glass fiber with a weight ratio of 10-40% from the fourth section of the twin-screw extruder;

[0046] (3) The conductive agent with a weight ratio of 5-30% is added from the seventh barrel of the twin-screw extruder through side feeding;

[0047] (4) The above-mentioned materials are extruded and granulated by a twin-screw extruder, the rotation speed of the screw machine is 180-600 rpm, and the temperature is 245-275°C.

[0048] It should be noted that the specific viscosity of the polyphenylene ether (PPO) resin in chloroform at 25°C is 0.2-0.6 dl / g, preferably PPO LXR035 and ...

Embodiment 1

[0057] (1) Weigh raw materials according to weight ratio: PPO LXR045: 15%, PA66: 40%, polyphenylene ether-nylon compatibilizer (CMG-W-01): 5%, Karton G1651: 8.6%, dispersant: 1.0%, antioxidant: 0.4%, put into the high-mixer and mix for 5 minutes, then add from the first section of the cylinder of the twin-screw extruder;

[0058] (2) Add glass fiber with a weight ratio of 15% from the fourth barrel of the twin-screw extruder;

[0059] (3) Carbon black with a weight ratio of 15% is added from the seventh barrel of the twin-screw extruder through side feeding;

[0060] (4) The above-mentioned materials are extruded and granulated by a twin-screw extruder, the rotation speed of the screw machine is 500 rpm, and the temperature is 265°C.

Embodiment 2

[0062] (1) Weigh raw materials according to weight ratio: polyphenylene ether: 10%, PA1010: 33%, polyphenylene ether-nylon compatibilizer (CMG-W-01): 10%, Karton G1650: 10.7%, dispersant : 0.8%, Antioxidant: 0.5%, put it into the high mixer and mix for 5 minutes, and then add it from the first section of the twin-screw extruder;

[0063] (2) Add glass fiber with a weight ratio of 20% from the fourth section of the twin-screw extruder;

[0064] (3) Carbon black with a weight ratio of 15% is added from the seventh barrel of the twin-screw extruder through side feeding;

[0065] (4) The above-mentioned materials are extruded and granulated by a twin-screw extruder, the rotation speed of the screw machine is 600 rpm, and the temperature is 265°C.

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Abstract

The invention relates to a reinforced high heat resistance and conductivity polyphenyl ether nylon alloy. The nylon alloy is prepared from the following raw materials in percentage by weight: 10-50% of polyphenyl ether, 10-40 parts of nylon, 5-30% of conductive agents, 10-40% of reinforced fiber, 5-15% of compatilizers, 2-20% of toughening agents, 0.2-2% of dispersing agents and 0.2-0.6% of antioxidant. The invention also provides a preparation method of the alloy. The nylon alloy has the advantages that as the appropriate compatilizers are adopted, the compatibility between polyphenyl ether and nylon and the glass fiber is improved and the processability of the alloy is optimized; and the polyphenyl ether alloy has the advantages of excellent conductivity, mechanical property, heat resistance, easiness in processing and the like, simultaneously has lower water absorption than the pure nylons and has better dimensional stability, higher strength and more excellent chemical resistance, so the polyphenyl ether alloy has better application prospect.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a reinforced high heat-resistant conductive polyphenylene ether nylon alloy and a preparation method thereof. Background technique [0002] Polyphenylene oxide (PPO) has good mechanical properties, chemical stability, dielectric properties, heat resistance and flame retardancy, and is a high-performance thermoplastic engineering plastic. However, the molecular chain of PPO is relatively rigid and is very sensitive to notch impact. At the same time, due to its high melt viscosity, it cannot be injection molded, which greatly limits its application. PPO is rarely used alone, and more than 90% of commercial products are blended with other polymers or chemically modified. As one of the toughest thermoplastic engineering plastics with excellent performance and widely used, nylon has good processing fluidity and is easy to process and shape; due to the amide bond in its molecular stru...

Claims

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Application Information

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IPC IPC(8): C08L71/12C08L77/02C08L77/06C08K13/04C08K7/06C08K3/04C08K3/08H01B1/22H01B1/24B29C47/92B29C48/92
CPCB29B7/46B29B7/72B29B7/7461B29B7/90B29B9/06B29B9/12B29B9/14B29C48/04B29C48/40B29C48/92B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895
Inventor 王尹杰郭建鹏张强金幸王瑞元苏吉英
Owner SHANGHAI SUNNY
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