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

A kind of conductive microcapsule and graphene conductive ink and its preparation method and application, graphene conductive film and self-healing method thereof

A technology of conductive ink and graphene, which is applied in microcapsule preparation, microsphere preparation, ink and other directions, can solve the problems of short service life and decreased electrical performance of conductive film, and achieves extended service life, not easy to decline in electrical performance, good performance The effect of conductive self-healing function

Active Publication Date: 2021-12-07
厦门捌斗新材料科技有限公司
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the short service life of the conductive film formed by the existing graphene conductive ink and the defects that the electrical properties are prone to decline, and provide a conductive microcapsule and Graphene conductive ink and its preparation method and application, graphene conductive film and its self-healing method

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
  • A kind of conductive microcapsule and graphene conductive ink and its preparation method and application, graphene conductive film and self-healing method thereof
  • A kind of conductive microcapsule and graphene conductive ink and its preparation method and application, graphene conductive film and self-healing method thereof
  • A kind of conductive microcapsule and graphene conductive ink and its preparation method and application, graphene conductive film and self-healing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] (1) Preparation of conductive microcapsules

[0039] S1. Mix 0.1 part of graphene with 1.5 parts of low-melting polyurethane pellets (melting point 50-60°C, the same below), feed them into an internal mixer and melt blend for 5 hours at 80°C to obtain graphene and low-melting point Composite materials of polyurethane;

[0040] S2. Add 1 part of melamine, 2 parts of formaldehyde and 20 parts of water into the reaction vessel, adjust the pH value of the solution to 8-9 with triethanolamine, and stir at 600r / min at a constant temperature of 70°C until the solution is transparent Obtain prepolymer solution;

[0041] S3. Add the composite material of graphene and low-melting polyurethane in step S1 and 0.1 part of PE-6200 into the reaction vessel, stir at a constant temperature of 70°C for 0.5h, then add 40 parts of water, and use an emulsifier at 15,000r / Stir and emulsify at min speed for 10 minutes to obtain a stable oil-in-water emulsion;

[0042] S4. Use acetic acid ...

Embodiment 2

[0047] (1) Preparation of conductive microcapsules: same as in Example 1.

[0048] (2) Preparation of graphene conductive ink: Add 2 parts of dispersant, 5 parts of graphene, and 0.3 part of defoamer to 48.7 parts of water in turn, mix and wet grind for 2 hours with a nano-sand mill to prepare a uniform graphene slurry The obtained graphene slurry and 3 parts of conductive microcapsules were sequentially added to 40 parts of water-based polyurethane resin, stirred and blended at a low speed of 600r / min for 10min, and then 1 part of thickener was added to adjust the viscosity of the system to 10,000-50,000cP. Filtration discharge obtains graphene conductive ink.

Embodiment 3

[0050] (1) Preparation of conductive microcapsules: same as in Example 1.

[0051] (2) Preparation of graphene conductive ink: Add 2 parts of dispersant, 5 parts of graphene, and 0.3 part of defoamer to 46.7 parts of water in turn and mix them with a nano-sand mill for 2 hours to prepare a uniform graphene slurry The obtained graphene slurry and 5 parts of conductive microcapsules were sequentially added to 40 parts of water-based polyurethane resin, stirred and blended at a low speed of 600r / min for 10min, and then 1 part of thickener was added to adjust the viscosity of the system to 10,000-50,000cP. Filtration discharge obtains graphene conductive ink.

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
melting pointaaaaaaaaaa
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention belongs to the technical field of new graphene materials and inks, and discloses a conductive microcapsule, a graphene conductive ink, a preparation method and application thereof, a graphene conductive film and a self-repairing method thereof. The graphene conductive ink is prepared from various raw material components with the following mass ratio: 30-60% of water-based resin, 2-20% of graphene, 1-5% of conductive microcapsule, 2-8% of dispersant, disinfectant Foaming agent 0.1-0.5%, thickener 0.5-2%, water 30-55%, conductive microcapsules use graphene and low melting point polyurethane composite material as core material, amino resin as wall material and conductive metal deposited on the surface For the particles, the melting point of the low melting point polyurethane is 50-60°C. The conductive microcapsules and graphene conductive ink have a good conductive self-repair function, can repair the microcracks of the graphene conductive film, solve the problem of the decline in the electrical performance of the graphene conductive film, prolong the service life of the material, and have great industrial application prospects.

Description

technical field [0001] The invention belongs to the technical field of new graphene materials and inks, and specifically discloses a conductive microcapsule, a graphene conductive ink, a preparation method and application thereof, a graphene conductive film and a self-repairing method thereof. Background technique [0002] As a key printing material, conductive ink plays a vital role in the manufacture of printed electronic products, and its development level is an important manifestation of the high technology of a country's printed electronic materials. In recent years, with the rapid development of new graphene materials and the high-speed industrialization of printing technology, the development of graphene conductive inks using graphene's excellent electrical conductivity, stable physical properties, non-toxic and environmental protection has become a research topic in the field of printing materials technology at home and abroad. hotspot. Graphene conductive ink has t...

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
Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/52C09D11/102C09D11/107B01J13/02
Inventor 许超王祥钟善钦洪一中
Owner 厦门捌斗新材料科技有限公司
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