Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for preparing polyaniline/carbon nanotube conductive composite material through inverse emulsion method

A conductive composite material and carbon nanotube technology, which is applied in the field of preparing polyaniline/carbon nanotube conductive composite materials by an inverse emulsion method, can solve the problems of poor thermal stability, low conductivity of polyaniline/inorganic nanocomposite materials, etc. The effect of improving conductivity, shortening polymerization time, and increasing polymerization rate

Inactive Publication Date: 2016-07-20
CHONGQING GOIUTE NEW MATERIAL TECH CO LTD
View PDF5 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a method for preparing polyaniline / carbon nanotube conductive composite material by inverse emulsion method. The technical problem to be solved is that the polyaniline / inorganic nanocomposite material obtained by the existing synthesis technology has low electrical conductivity and thermal stability. poor sex problem

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The invention provides a method for preparing a polyaniline / carbon nanotube conductive composite material by an inverse emulsion method, comprising the following steps:

[0024] (1) Preparation of carbon nanotube slurry: mixing carbon nanotube powder with distilled water to prepare carbon nanotube slurry with a mass concentration of 5%;

[0025] (2) Formation of inverse emulsion system: Dodecylbenzenesulfonic acid, toluene, water and aniline are mixed in a reactor at a molar ratio of 1:80:10:0.5, and ultrasonically dispersed to form an inverse emulsion of stable emulsion particles. phase emulsion system;

[0026] (3) Initiate polymerization: add the carbon nanotube slurry into the inverse emulsion system, and disperse uniformly by ultrasonic; reduce the system temperature to 0-5°C, add ammonium persulfate solution; control the system temperature at 0-25°C ℃, polymerize carbon nanotube powder and aniline under ultrasonic environment; the color of the system changes from...

Embodiment 2

[0033] The invention provides a method for preparing a polyaniline / carbon nanotube conductive composite material by an inverse emulsion method, comprising the following steps:

[0034] (1) Preparation of carbon nanotube slurry: mixing carbon nanotube powder with distilled water to prepare carbon nanotube slurry with a mass concentration of 8%;

[0035] (2) Formation of inverse emulsion system: Dodecylbenzenesulfonic acid, toluene, water and aniline are mixed in a reactor at a molar ratio of 1: 120: 15: 1, and ultrasonically dispersed to form a reverse emulsion of stable emulsion particles. phase emulsion system;

[0036] (3) Initiate polymerization: add the carbon nanotube slurry into the inverse emulsion system, and disperse uniformly by ultrasonic; reduce the system temperature to 0-5°C, add ammonium persulfate solution; control the system temperature at 0-25°C ℃, polymerize carbon nanotube powder and aniline under ultrasonic environment; the color of the system changes fro...

Embodiment 3

[0043] The invention provides a method for preparing a polyaniline / carbon nanotube conductive composite material by an inverse emulsion method, comprising the following steps:

[0044] (1) Preparation of carbon nanotube slurry: mixing carbon nanotube powder with distilled water to prepare a carbon nanotube slurry with a mass concentration of 10%;

[0045](2) Formation of inverse emulsion system: Dodecylbenzenesulfonic acid, toluene, water and aniline are mixed in a reactor at a molar ratio of 1:150:25:1, and ultrasonically dispersed to form a reverse emulsion of stable emulsion particles. phase emulsion system;

[0046] (3) Initiate polymerization: add the carbon nanotube slurry into the inverse emulsion system, and disperse uniformly by ultrasonic; reduce the system temperature to 0-5°C, add ammonium persulfate solution; control the system temperature at 0-25°C ℃, polymerize carbon nanotube powder and aniline under ultrasonic environment; the color of the system changes from...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Resistivityaaaaaaaaaa
Resistivityaaaaaaaaaa
Resistivityaaaaaaaaaa
Login to View More

Abstract

The invention relates to a method for preparing a polyaniline / carbon nanotube conductive composite material through an inverse emulsion method. The method comprises the five major steps of preparation of carbon nanotube sizing agent, formation of an inverse emulsion system, initiated polymerization, system demulsification and post-treatment. By adopting the method for preparing the polyaniline / carbon nanotube conductive composite material through the inverse emulsion method, the electric conductivity and thermal stability of the composite material are enhanced, the polymerization rate is increased effectively, the polymerization time is shortened, and the polymerization cost is lowered.

Description

technical field [0001] The invention relates to the field of polymer conductive materials, in particular to a method for preparing a polyaniline / carbon nanotube conductive composite material by an inverse emulsion method. Background technique [0002] Among many conductive polymer materials, polyaniline has high electrical conductivity, structural diversity, unique doping mechanism, good thermal stability, chemical stability and electrochemical reversibility, and excellent electromagnetic wave absorption performance. , Potential solution and melt processing properties, coupled with easy-to-obtain raw materials, simple synthesis methods, and broad technical application prospects, it has become one of the fastest-growing conductive polymer materials. However, due to the strong conjugation of polyaniline molecular chains, it becomes an insoluble and infusible polymer, and its comprehensive mechanical properties and rheological properties are poor, which limits its large-scale a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C08G73/02C08K7/24
CPCC08G73/0266C08K7/24C08K2201/001
Inventor 刘通苑建涛
Owner CHONGQING GOIUTE NEW MATERIAL TECH CO LTD