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Preparation method of PPO-PA66 synthetic plastic

A technology of PPO-PA66 and plastics, which is applied in the field of preparation of PPO-PA66 synthetic plastics, can solve the problems of high material density, insufficient strength improvement, and no antistatic effect, etc., and achieve high strength and good quality effects

Inactive Publication Date: 2014-10-01
周开雄
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

At present, the vast majority of reinforced PPO / PA66 synthetic plastics are reinforced with glass fibers, and the resulting materials have high density, insufficient strength improvement, and no antistatic effect.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A preparation method of PPO-PA66 synthetic plastics, comprising: taking 35 parts by weight of polyphenylene ether, 10 parts by weight of nylon 6610, 6 parts by weight of carbon black, 11 parts by weight of PE-g-ST, styrene-butadiene thermoplastic elastomer 7 parts by weight, 12 parts by weight of additives, mixed to prepare a mixture, and the mixture was processed at 250° C. with a screw extruder with a length-to-diameter ratio of 40 to obtain PPO / PA66 synthetic plastics. In this extrusion treatment step, Add 17 parts by weight of carbon fiber. The auxiliary agent includes trioctyl ester, silicone oil and benzoate, and the mass ratio is 1:2.2.

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PUM

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Abstract

The invention relates to a preparation method of PPO-PA66 synthetic plastic. The preparation method of the PPO-PA66 synthetic plastic comprises the following steps: mixing 25-35 parts by weight of polyphenyl ether, 2-10 parts by weight of polyamide 66, 2-10 parts by weight of carbon black, 2-19 parts by weight of PE-g-ST 2-19, 5-10 parts by weight of styrene-butadiene thermoplastic elastomer and 2-13 parts by weight of auxiliaries to obtain a mixture, and extruding the mixture by adopting a screw extruder with length-diameter ratio of 25-40 at the temperature of 230-250 DEG C, so that PPO / PA66 synthetic plastic is obtained, wherein 10-20 parts by weight of carbon fiber is added in the extrusion treatment step. The synthesized plastic is high in strength and good in quality.

Description

technical field [0001] The invention relates to a preparation method of PPO-PA66 synthetic plastic, which belongs to the field of chemical synthesis. Background technique [0002] PPO (polyphenylene ether) resin and PA66 (nylon 66) resin are one of the widely used engineering plastics. PPO has high heat resistance, stable size and good electrical insulation, but its processing fluidity is poor and it is not resistant to organic solvents. PA66 is a crystalline material with good fluidity and resistance to organic solvents, but it is easy to absorb water and has poor dimensional stability. [0003] PPO / PA66 synthetic plastic combines the properties of PPO and PA66, and is widely used for its excellent heat resistance, good processability, and sprayability. At present, the vast majority of reinforced PPO / PA66 synthetic plastics are reinforced with glass fibers, and the resulting materials have high density, insufficient strength improvement, and no antistatic effect. Conten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L71/12C08L77/06C08L51/06C08L9/06C08K13/04C08K7/06C08K3/04C08K5/098C08K5/12
Inventor 周开雄
Owner 周开雄
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