Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Preparation method of a superhydrophobic anti-corrosion self-assembled three-dimensional nanomaterial

A three-dimensional nano, self-assembly technology, applied in the direction of anti-corrosion coatings, bulk chemical production, coatings, etc., can solve problems affecting reduction performance and achieve excellent reduction activity, improve permeability resistance, and increase fluidity.

Active Publication Date: 2020-04-17
上海利物盛纳米科技有限公司
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Nano-zinc has excellent chemical activity and good anti-ultraviolet performance, which is conducive to the production of high-quality anti-corrosion coatings; however, nano-zinc alone is prone to surface oxidation, which affects its reduction performance

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
  • Preparation method of a superhydrophobic anti-corrosion self-assembled three-dimensional nanomaterial
  • Preparation method of a superhydrophobic anti-corrosion self-assembled three-dimensional nanomaterial
  • Preparation method of a superhydrophobic anti-corrosion self-assembled three-dimensional nanomaterial

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The arc discharge method uses a graphite rod as the anode, the deposition atmosphere is 50kPa argon, and the DC arc discharge current is 120A; figure 1 As shown, the prepared "Dahlia-shaped" carbon nanohorn particle size is 80nm. The carbon nanohorns prepared above were subjected to instantaneous oxidation treatment, the oxidation atmosphere was 80kPa oxygen, the oxidation temperature was 800°C, and the oxidation time was 5min; figure 2 As shown, the prepared open-pore carbon nanohorn particle size is 70nm. Prepare carbon nanohorn-nano zinc mixed ethanol slurry, wherein the solid content of carbon nanohorn is 1%, the solid content of nano zinc is 0.5%, and the particle size of nano zinc is 50nm. The above mixed ethanol slurry is subjected to supercritical fluid treatment at a temperature of 300 °C, a pressure of 8 MPa, and a treatment time of 1 h; image 3 As shown, the particle size of the prepared carbon nanohorn-nano-zinc composite material is 80nm.

Embodiment 2

[0022] The arc discharge method uses a graphite rod as the anode, the deposition atmosphere is 70kPa argon, and the DC arc discharge current is 200A; the obtained "Dahlia-shaped" carbon nanohorns have a particle size of 100nm. The carbon nanohorns prepared above were subjected to instantaneous oxidation treatment, the oxidation atmosphere was 100 kPa oxygen, the oxidation temperature was 900° C., and the oxidation time was 5 minutes; the particle size of the prepared open-pore carbon nanohorns was 80 nm. Prepare carbon nanohorn-nano zinc mixed ethanol slurry, wherein the solid content of carbon nanohorn is 3%, the solid content of nano zinc is 2%, and the particle size of nano zinc is 50nm. The mixed ethanol slurry was subjected to supercritical fluid treatment at a temperature of 350° C., a pressure of 35 MPa, and a treatment time of 5 hours; the particle size of the prepared carbon nanohorn-nano-zinc composite material was 100 nm.

Embodiment 3

[0024] The arc discharge method uses a graphite rod as the anode, the deposition atmosphere is 70kPa nitrogen, and the DC arc discharge current is 200A; the obtained "Dahlia-shaped" carbon nanohorns have a particle size of 100nm. The carbon nanohorns prepared above were subjected to instantaneous oxidation treatment, the oxidation atmosphere was 100 kPa oxygen, the oxidation temperature was 850° C., and the oxidation time was 5 minutes; the particle size of the prepared open-pore carbon nanohorns was 80 nm. Prepare carbon nanohorn-nano zinc mixed ethanol slurry, wherein the solid content of carbon nanohorn is 3%, the solid content of nano zinc is 1%, and the particle size of nano zinc is 50nm. The above mixed ethanol slurry was subjected to supercritical fluid treatment at a temperature of 270° C., a pressure of 12 MPa, and a treatment time of 2.5 hours; the particle size of the prepared carbon nanohorn-nano-zinc composite material was 100 nm.

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 diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention discloses a preparation method of a super-hydrophobic anti-corrosion self-assembled three-dimensional nano-horn material. Firstly, an arc discharge method is used to prepare a dahlia-shaped carbon nano-horn, and then it is subjected to instantaneous oxidation treatment to obtain an open-pore carbon nano-horn material. Then, after fully mixing the nano-zinc ethanol slurry with the carbon nano-horn material, the supercritical fluid method is used to self-assemble the carbon nano-horn and nano-zinc into a three-dimensional pearl clam-like structure material; the carbon nano-horn- The nano-zinc composite material has a simple process. The super-hydrophobic structure of carbon nanohorns and the anti-corrosion performance of nano-zinc in the coating system can not only physically block the metal surface from reacting with active media, but also effectively protect elemental zinc from liquid corrosion and air oxidation. , can greatly improve zinc utilization rate and anti-corrosion efficiency, and can be widely used in the fields of architectural coatings and industrial anti-corrosion coatings to improve the compactness, barrier properties, mechanical properties and anti-corrosion properties of the film layer.

Description

technical field [0001] The invention relates to a preparation method of a superhydrophobic anti-corrosion self-assembled three-dimensional nanomaterial, belonging to the technical field of preparation and application of nanocomposite materials. Background technique [0002] Nano-zinc has excellent chemical activity and good anti-ultraviolet performance, which is beneficial to the production of high-quality anti-corrosion coatings; however, nano-zinc alone is prone to surface oxidation, which affects its reduction performance. Carbon nanohorn is a new type of nano-carbon material. The shape of a single carbon nanohorn is a short-sized single-walled carbon nanotube with a closed tapered end at one end, and due to the van der Waals force between the tubes, many carbon nanohorns are aggregated. Together, they form a first-order spherical assembly, and the "dahlia" shape is one of the aggregates. Due to the characteristics of high specific surface area, hydrophobic structure, an...

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): C09D5/10
CPCC09D5/106Y02P20/54
Inventor 张燕萍杨信刚赵志国吴万桃
Owner 上海利物盛纳米科技有限公司
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
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