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Electric-conducting polyphenyl ether/polyamide 66 composition and preparation method thereof

A technology of polyamide and polyphenylene ether, applied in the field of conductive polyphenylene ether/polyamide 66 composition and preparation thereof, can solve the problems of difficult dispersion of polymers, flexibility and low mass density aspect ratio, etc., and improve compatibility , The effect of inhibiting thermal oxygen discoloration and improving interfacial adhesion

Active Publication Date: 2020-01-07
GUANGDONG ALDEX NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Carbon nanotubes (CNTs) have high flexibility, low mass density and large aspect ratio, and conductive carbon nanotube polymer composites can be obtained by using highly conductive carbon nanotubes as fillers, but carbon nanotubes During the blending process, nanotubes are easily entangled due to van der Waals force, making it difficult to disperse in polymers

Method used

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  • Electric-conducting polyphenyl ether/polyamide 66 composition and preparation method thereof
  • Electric-conducting polyphenyl ether/polyamide 66 composition and preparation method thereof
  • Electric-conducting polyphenyl ether/polyamide 66 composition and preparation method thereof

Examples

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Embodiment 1

[0073] In this embodiment, a conductive polyphenylene ether / polyamide 66 composition is prepared from the following raw materials in parts by weight:

[0074]

[0075] The preparation method of above-mentioned conductive polyphenylene ether / polyamide 66 composition, comprises the following steps:

[0076] (1) After drying the high-viscosity polyphenylene ether resin and the low-viscosity polyphenylene ether resin at a temperature of 80°C for 8 hours, and drying the low-viscosity polyamide 66 resin at a temperature of 110°C for 8 hours , cooling, the cooled high-viscosity polyphenylene ether resin, low-viscosity polyphenylene ether resin, low-viscosity polyamide 66 resin, and the N,N'-bis(2,2,6,6-tetramethyl- 4-piperidinyl)-1,3-benzenedicarboxamide, bis(2,6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphate and pentaerythritol zinc were added to the high-speed mixer (the speed was 1000 rpm / min) for mixing;

[0077] (2) the styrene and glycidyl methacrylate copolyme...

Embodiment 2

[0081] In this embodiment, a conductive polyphenylene ether / polyamide 66 composition is prepared from the following raw materials in parts by weight:

[0082]

[0083] The preparation method of above-mentioned conductive polyphenylene ether / polyamide 66 composition, comprises the following steps:

[0084] (1) After drying the high-viscosity polyphenylene ether resin and the low-viscosity polyphenylene ether resin at a temperature of 110°C for 4 hours, and drying the low-viscosity polyamide 66 resin at a temperature of 140°C for 4 hours , cooling, the cooled high-viscosity polyphenylene ether resin, low-viscosity polyphenylene ether resin, low-viscosity polyamide 66 resin, and the N,N'-bis(2,2,6,6-tetramethyl- 4-piperidinyl)-1,3-benzenedicarboxamide, bis(2,6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphate and pentaerythritol zinc were added to the high-speed mixer (the speed was 1000 rpm / min) for mixing;

[0085] (2) the styrene and glycidyl methacrylate copolym...

Embodiment 3

[0089] In this embodiment, a conductive polyphenylene ether / polyamide 66 composition is prepared from the following raw materials in parts by weight:

[0090]

[0091] The preparation method of above-mentioned conductive polyphenylene ether / polyamide 66 composition, comprises the following steps:

[0092] (1) After drying the high-viscosity polyphenylene ether resin and the low-viscosity polyphenylene ether resin at a temperature of 90°C for 6 hours, and drying the low-viscosity polyamide 66 resin at a temperature of 120°C for 6 hours , cooling, the cooled high-viscosity polyphenylene ether resin, low-viscosity polyphenylene ether resin, low-viscosity polyamide 66 resin, and the N,N'-bis(2,2,6,6-tetramethyl- 4-piperidinyl)-1,3-benzenedicarboxamide, bis(2,6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphate and pentaerythritol zinc were added to the high-speed mixer (the speed was 1000 rpm / min) for mixing;

[0093] (2) the styrene and glycidyl methacrylate copolyme...

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Abstract

The invention relates to an electric-conducting polyphenyl ether / polyamide 66 composition and a preparation method thereof, wherein the electric-conducting polyphenyl ether / polyamide 66 compositionisprepared from the following raw materials: a high-viscosity polyphenyl ether resin, a low-viscosity polyphenyl ether resin, a low-viscosity polyamide 66 resin, a styrene and glycidyl methacrylate copolymer, toluene diisocynate, hydrogenated styrene-isoprene copolymer grafted maleic anhydride, N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)-1,3-phthalamide, bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol diphosphate, pentaerythritol zinc, a graphene-carbon nano-tube nanometer composite material and a silane coupling agent. The electric-conducting polyphenyl ether / polyamide 66 composition of theinvention has excellent mechanical properties, excellent processability and excellent conductivity, and can be used in the fields of automobiles such as automobile fenders, automobile refueling coverplates and the like.

Description

technical field [0001] The invention relates to the field of materials, in particular to a conductive polyphenylene ether / polyamide 66 composition and a preparation method thereof. Background technique [0002] Polyphenylene oxide (PPO) has good mechanical properties, heat resistance and chemical stability, and can be used continuously in the temperature range of -160 to 190 ° C. It is the material with the best creep resistance among thermoplastic engineering plastics. Polyamide 66 (PA66) is a crystalline resin with excellent chemical resistance and processability, but its high water absorption leads to a decrease in its mechanical properties and poor dimensional stability. In order to improve the processability and solvent resistance of PPO, polyphenylene ether and polyamide 66 can be blended to prepare PPO / PA66 composition. However, due to the thermodynamic incompatibility of amorphous PPO and crystalline PA66, the blend dispersed phase domain size is too large, the phas...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08L71/12C08L25/14C08L51/00C08K13/04C08K7/24C08K3/04C08K5/29C08K5/3435C08K5/523
CPCC08L77/06C08L71/123C08L2205/025C08L2201/04C08L2205/035C08K2201/011C08L2205/08C08L2201/08C08K2201/001C08L25/14C08L51/006C08K13/02C08K3/042C08K3/041C08K5/29C08K5/3435C08K5/523
Inventor 王忠强卢健体蓝承东
Owner GUANGDONG ALDEX NEW MATERIAL CO LTD
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