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

MXene composite foam constructed based on polyurethane foaming principle and preparation method of MXene composite foam

A composite foam and polyurethane technology, which is applied in the field of preparation of new low-dimensional materials, can solve the problems of complex airgel technology and the inability to obtain large-size and high-quality airgel, and achieve excellent mechanical properties, enhanced stability, and shape avoidance collapse effect

Active Publication Date: 2021-02-02
吉林省一一科技有限公司
View PDF4 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing two-dimensional transition metal carbonitride MXenes aerogel technology is complex and cannot obtain large-size and high-quality aerogels at low cost, and to provide a polyurethane-based Building MXene Composite Foam Based on Bubble Principle and Its Preparation 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
  • MXene composite foam constructed based on polyurethane foaming principle and preparation method of MXene composite foam
  • MXene composite foam constructed based on polyurethane foaming principle and preparation method of MXene composite foam
  • MXene composite foam constructed based on polyurethane foaming principle and preparation method of MXene composite foam

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0033] A kind of preparation method that builds MXene composite foam based on polyurethane foaming principle, such as figure 1 As shown, the method specifically includes the following steps:

[0034] Step 1: Mix two-dimensional transition metal carbonitride MXenes and isocyanate evenly to obtain a solution;

[0035] The two-dimensional transition metal carbonitride MXenes is preferably Ti 3 C 2 T x 、Ti 2 N, Ti 2 CT x 、Ti 3 CN, V 4 C 3 , V 2 C. Nb 4 C 3 、Mo 2 TiC, Mo 2 C. Ta 4 C 3 or Ta 2 C; the isocyanate is preferably phenylene diisocyanate (TDI), isophorone diisocyanate (IPDI), diphenylmethane diisocyanate (MDI), dicyclohexylmethane diisocyanate (HMDI), hexamethylene diisocyanate (HMDI), Isocyanate (HDI) or lysine diisocyanate (LDI); The mass g of the two-dimensional transition metal carbonitride MXenes: the volume mL of isocyanate is preferably (0.5-20): (2-400); Mix uniformly by stirring, and the stirring method can be used: 1. After the configuration, th...

Embodiment 1

[0043] Ti 3 C 2 T x The preparation of MXene and carbon nanotube composite foam, the method comprises the steps:

[0044] (1) Take Ti 3 C 2 T x MXene few-layer powder 0.5g and phenylene diisocyanate (TDI) (polyurethane foam A component) 2mL; using a glass rod, manually stirred for 10 minutes to obtain a solution;

[0045] (2) Mix 0.5 g of carbon nanotubes with 2 mL of propylene glycol block polyether (component B of polyurethane foam), stir at a constant speed for 10 minutes with a glass stirring rod, and the ambient temperature is 25° C. to obtain solution B;

[0046] (3) Put the two solutions of A and B obtained in step (1) and (2) into the mixing tank at the same time according to the ratio of 1:1, and stir quickly with a glass stirring rod. After 5 minutes, a colloid with certain fluidity is formed. solution.

[0047] (4) Quickly transfer the colloidal solution obtained in step (3) to a glass beaker at an ambient temperature of 35 degrees Celsius, stand still for ...

Embodiment 2

[0052] Ti 2 CT x The preparation of MXene and graphene composite foam, the method comprises the steps:

[0053] (1) Take Ti 2 CT x MXene few-layer powder 5g; and isophorone diisocyanate (IPDI) (polyurethane foaming component A) 50mL; use a glass rod, mechanically stir for 60 minutes, the ambient temperature is 25 ° C, to obtain a solution;

[0054] (2) Mix 4 g of graphene with 40 mL of propylene glycol block polyether (polyurethane foaming component B), and stir it mechanically for 10 minutes at an ambient temperature of 25° C. to obtain solution B;

[0055] (3) Put the two solutions of A and B obtained in step (1) and (2) into the mixing tank at the same time according to the ratio of 1:1, and stir quickly with a glass stirring rod. After 10 minutes, a colloid with certain fluidity is formed. solution.

[0056] (4) Quickly transfer the colloidal solution obtained in step (3) to a vacuum barrel at an ambient temperature of 35 degrees Celsius, fill the metal mold, and st...

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
concentrationaaaaaaaaaa
electrical resistanceaaaaaaaaaa
Login to View More

Abstract

The invention provides MXene composite foam constructed based on a polyurethane foaming principle and a preparation method of the MXene composite foam, and belongs to the technical field of preparation of novel low-dimensional materials. The method comprises the following steps: uniformly mixing two-dimensional transition metal carbonitrides MXenes with isocyanate to obtain a solution A, then mixing the combined polyether with a material pre-compounded with MXene to obtain a solution B, stirring and mixing the solution A and the solution B to obtain a colloidal solution, finally, transferringthe obtained colloidal solution into a metal mold, standing, foaming the colloidal solution, filling the metal mold, and aging to obtain the MXene composite foam constructed on the basis of the polyurethane foaming principle. The invention also provides the MXene composite foam constructed based on the polyurethane foaming principle and obtained by the preparation method. The MXene composite foamformed in the invention has an obvious three-dimensional network structure, the conductivity of the MXene composite foam can reach 10<-6> to 10<-12>s / m, and the MXene composite foam can absorb electromagnetic waves at 10-18GHz and has excellent mechanical properties.

Description

technical field [0001] The invention relates to the technical field of preparation of novel low-dimensional materials, in particular to a construction of MXene composite foam based on the principle of polyurethane foaming and a preparation method thereof. Background technique [0002] Two-dimensional transition metal carbonitrides MXenes have shown potential applications in the fields of electrochemical energy storage, catalysis, and water purification. The aerogels prepared based on two-dimensional transition metal carbonitride MXenes have been mainly prepared by freeze-drying technology, and it is difficult to obtain large-area two-dimensional transition metal carbonitride MXenes aerogels at low cost. [0003] For a long time, the preparation technology of two-dimensional transition metal carbonitride MXenes airgel has limited its further research and application development. How to break through the preparation technology of two-dimensional transition metal carbonitride M...

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 Applications(China)
IPC IPC(8): C08G18/76C08G18/75C08G18/48C08K3/14C08K3/04C08G101/00
CPCC08G18/7614C08G18/755C08G18/4825C08K3/041C08K3/14C08K3/042C08K2201/011C08G2101/00
Inventor 魏超赵洪亮邹海健于向阳李东旭
Owner 吉林省一一科技有限公司
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