Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Resin graphene composite material, preparation method and application thereof

A composite material and graphene technology, applied in anti-corrosion coatings, conductive coatings, conductive/anti-static filament manufacturing, etc., can solve the difficulty of combining thermoplastic resins with graphene materials, poor electrical conductivity of resins, and difficulties with graphene materials, etc. problem, to achieve the effect of good thermal conductivity, good electrical conductivity, and good commercial value

Inactive Publication Date: 2018-07-27
北京北方国能科技有限公司
View PDF3 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Thermoplastic resins mainly use small molecular organic substances as raw materials to produce large molecular chain linear organic resin materials through polymerization. This type of resin has poor electrical conductivity, strong interaction between molecules, and acid and alkali resistance. It has good performance, but it has not been effectively developed and utilized in the fields of special functions such as electric conduction and heat conduction.
[0003] In addition, graphene materials are difficult to dissolve and melt, there are wrinkles or stacked agglomerations, and its planar huge π-π conjugated system lacks controlled chemical bonds and weak interaction with polymers. Thermoplastic resins and graphene The combination of materials is a difficult point

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Resin graphene composite material, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0033] figure 1 Process flow chart of the preparation method of the resin-graphene composite material provided by the present invention. see figure 1 , a kind of preparation method of resin graphene composite material, comprises the steps:

[0034] (1) Mix and stir the metal additive, graphene material and water to obtain a slurry, so that the graphene material and the metal additive undergo complexation and chelation reactions to increase the graphene surface active sites.

[0035] Preferably, the mass ratio of the metal additive to the graphene material is 1:3-10; the stirring is carried out at a temperature of 80-90° C. for 4-8 hours, and the viscosity of the slurry is 200-300 cp.

[0036] That is, put metal additives and graphene materials in a mass ratio of 1:3-10, add them into a stirred reactor filled with deionized water for stirring, and keep the viscosity of the slurry at 200-300cp, and raise the temperature under normal pressure To 80-90 ℃ constant temperature re...

Embodiment 1

[0059] A kind of preparation method of resin graphene composite material, comprises the steps:

[0060] (1), metal additives, graphene material and water are mixed and stirred to obtain slurry;

[0061] (2), drying slurry obtains metal-based graphene;

[0062] (3) Obtained by heating metal-based graphene and thermoplastic resin to 200° C. in an inert gas atmosphere.

Embodiment 2

[0064] (1) Put metal additives and graphene materials in a mass ratio of 1:3, add them into a stirred reactor filled with deionized water for stirring, and keep the viscosity of the slurry at 200 cp, and heat up to 80 cp under normal pressure. The reaction was carried out at constant temperature at ℃ for 4 h to obtain a slurry.

[0065] (2) The slurry is subjected to spray granulation and drying to obtain a metal-based graphene rich in a large number of active sites with a particle size of about 10 μm.

[0066] (3), first add the metal-based graphene into the high-temperature reaction kettle filled with the reaction carrier, stir evenly, then add thermoplastic resin to continue stirring (the mass ratio of metal-based graphene to thermoplastic resin is 1:5), and stir After uniformity, add 500ppm of surfactant, and react for 4 hours under the conditions of keeping the reaction pressure at 50kpa and the reaction temperature at 295±5°C in an inert gas atmosphere to obtain the resi...

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
Particle sizeaaaaaaaaaa
Viscosityaaaaaaaaaa
Particle sizeaaaaaaaaaa
Login to View More

Abstract

The invention provides a resin graphene composite material, a preparation method and an application thereof, which belong to the technical field of the graphene composite material. The preparation method comprises the following steps: 1) mixing a metal auxiliary agent, a graphene material and water and stirring a mixture to obtain a slurry; 2) drying the slurry to obtain metal graphene; and 3) heating the metal graphene and thermoplastic resin and heating the materials under inert gas atmosphere to the temperature of 50-300 DEG C for a reaction. The preparation method composites the graphene material and the thermoplastic resin, through a Pi bond electron cloud of the graphene material, free electron transmission is carried out, the obtained resin graphene composite material has good conductivity and thermal conductivity, and can be used as a novel electric conduction and heat conduction composite material.

Description

technical field [0001] The invention relates to the technical field of graphene composite materials, in particular to a resin graphene composite material, its preparation method and its application. Background technique [0002] Thermoplastic resins mainly use small molecular organic substances as raw materials to produce large molecular chain linear organic resin materials through polymerization. This type of resin has poor electrical conductivity, strong interaction between molecules, and acid and alkali resistance. It has good performance, but it has not been effectively developed and utilized in the fields of special functions such as electric conduction and heat conduction. [0003] In addition, graphene materials are difficult to dissolve and melt, and there are wrinkles or stacked agglomerations. Its planar huge π-π conjugated system lacks controlled chemical bonds, and the interaction with polymers is weak. The combination of materials is a difficult point. Conten...

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): C08K9/04C08K9/02C08K3/04C08L23/06C08L27/06C08L25/06C08L77/00C08L59/00C08L69/00C08L67/02C08L71/12C08L81/06C08L21/00C08J5/18D01F1/10D01F1/09C09D5/08C09D5/24
Inventor 董前程孙久铭曾云张朋王君梦赵芬
Owner 北京北方国能科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com