Self-dispersion water-based electric heating slurry and preparation method thereof

A self-dispersing, water-based technology, applied in the direction of electric heating devices, conductive coatings, heating element materials, etc., can solve problems such as difficult to disperse, difficult to obtain high volume filling rate, and easy agglomeration of carbon materials

Active Publication Date: 2020-10-30
佛山(华南)新材料研究院
View PDF11 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention proposes a self-dispersing water-based electric heating slurry and its preparation method to solve the problem that carbon materials are easy to agglomerate and difficult to dispe

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
  • Self-dispersion water-based electric heating slurry and preparation method thereof
  • Self-dispersion water-based electric heating slurry and preparation method thereof
  • Self-dispersion water-based electric heating slurry and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] This embodiment provides a self-dispersing water-based electric heating slurry, which includes the following components by weight: 35% water-based auxiliary dispersion resin, 5% conductive nano-carbon black, 20% conductive graphite, 6% graphene, 10% film-forming agent , 0.1% defoamer, 0.1% leveling agent, 23.8% deionized water.

[0040] In a preferred embodiment, the water-based dispersing aid resin is one or more of non-ionic polyether-polyurethane resin, methacrylic-terminated polyether-polyurethane comb polymer, and polyether-polyurethane-terminated polymer The purpose is to introduce anchor groups and hydrophilic groups in the molecular chain, where the anchor groups are mainly hydrocarbon chains and aryl groups, and the hydrophilic groups are mainly hydroxyl groups and ether chains. In addition, in the present embodiment, It can effectively introduce hydroxyl groups and ether chains into the system. The introduction of hydroxyl groups enables resin molecules to for...

Embodiment 2

[0060] A self-dispersing water-based electric heating slurry, which includes the following components by weight percentage: 20% water-based auxiliary dispersion resin, 25% conductive nano-carbon black, 10% conductive graphite, 2% graphene, 5% film-forming agent, 0.2% disinfectant Foaming agent, 0.8% leveling agent, 47% deionized water.

[0061] In a preferred embodiment, the water-based dispersing aid resin is one or more of non-ionic polyether-polyurethane resin, methacrylic-terminated polyether-polyurethane comb polymer, and polyether-polyurethane-terminated polymer The purpose is to introduce anchor groups and hydrophilic groups in the molecular chain, where the anchor groups are mainly hydrocarbon chains and aryl groups, and the hydrophilic groups are mainly hydroxyl groups and ether chains. In addition, in the present embodiment, It can effectively introduce hydroxyl groups and ether chains into the system. The introduction of hydroxyl groups enables resin molecules to fo...

Embodiment 3

[0081] A self-dispersing water-based electric heating slurry, which includes the following components in weight percentage: 30% water-based auxiliary dispersion resin, 10% conductive nano-carbon black, 12% conductive graphite, 3% graphene, 5% film-forming agent, 1% disinfectant Foaming agent, 0.7% leveling agent, 38.3% deionized water.

[0082] In a preferred embodiment, the water-based dispersing aid resin is one or more of non-ionic polyether-polyurethane resin, methacrylic-terminated polyether-polyurethane comb polymer, and polyether-polyurethane-terminated polymer The purpose is to introduce anchor groups and hydrophilic groups in the molecular chain, where the anchor groups are mainly hydrocarbon chains and aryl groups, and the hydrophilic groups are mainly hydroxyl groups and ether chains. In addition, in the present embodiment, It can effectively introduce hydroxyl groups and ether chains into the system. The introduction of hydroxyl groups enables resin molecules to fo...

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
Particle sizeaaaaaaaaaa
Particle sizeaaaaaaaaaa
Login to view more

Abstract

The invention provides self-dispersion water-based electric heating slurry and a preparation method thereof. The electric heating slurry is prepared from water-based dispersion-assisting resin, conductive nano carbon black, conductive graphite, graphene, a film-forming agent, an antifoaming agent, a leveling agent and deionized water. Anchoring groups and hydrophilic groups are introduced in the preparation process, so that the dispersion degree of the carbon material can be effectively increased, the water-based electric heating slurry which is uniformly dispersed and high in filling rate canbe obtained without additionally adding a dispersing agent, and due to the fact that a stable water-based system is formed, the slurry does not have the risks of layering, sedimentation, flocculationand the like in the subsequent storage process, the viscosity can be adjusted by adding water, the proportion and the effect of the dispersing agent do not need to be considered again, and the methodhas the advantages of being high in convenience and operability. The problems that a carbon material is prone to agglomeration and difficult to disperse in water-based slurry, high volume filling rate is difficult to obtain, and consequently conductivity is poor are generally solved, and the problem that preparation is complex due to the fact that a dispersing agent needs to be added is solved.

Description

technical field [0001] The invention relates to the field of material preparation, in particular to a self-dispersing water-based electric heating slurry and a preparation method thereof. Background technique [0002] Conductive heating paste, also known as electrothermal paste, is a new type of functional paste with excellent electrothermal properties developed on the basis of conductive paste. At present, most electrothermal pastes use the method of filling high emissivity and high thermal conductivity inorganic materials in the basic bonding resin to obtain pastes with both high emissivity and high thermal conductivity. Most of the inorganic materials used are some Carbon nanomaterials, such as carbon nanotubes, graphene, nanocarbon spheres, nanoconductive carbon black, etc. However, these nano-carbon materials are easy to agglomerate and difficult to disperse in the slurry, especially in the water-based system, it is difficult to obtain a high volume filling rate, so it...

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): C09D175/08C09D5/24C09D7/61C09D7/20H05B3/14
CPCC08K2201/001C08K2201/011C08K2201/014C09D5/24C09D175/08C09D7/20C09D7/61H05B3/145C08K3/04C08K3/042C08K13/02
Inventor 刘耀春樊小军
Owner 佛山(华南)新材料研究院
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap