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

A kind of antibacterial coating and preparation method and application thereof

A technology of antibacterial coating and chitosan, applied in the field of antibacterial coating and its preparation, can solve the problems of limited application, unsatisfactory film-forming property and the like, and achieve the effect of good adhesion

Active Publication Date: 2022-08-02
PANJIN HAIXING FINE CHEM TECH
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the rigid benzene ring structure contained in the tannic acid molecule, the film-forming property is not ideal when used alone, which limits its application in coatings.

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 antibacterial coating and preparation method and application thereof
  • A kind of antibacterial coating and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] An embodiment of the antibacterial coating of the present invention, the antibacterial coating of this embodiment is made of the following components by weight: 95 parts of beta-1,4-poly-glucosamine, 5 parts of tannic acid, zinc 0.5 parts of nanoparticles, 0.5 parts of copper nanoparticles, 0.5 parts of sodium cellulose sulfate, 10 parts of ethanol; the preparation method is as follows:

[0037] (1) weigh β-1,4-poly-glucosamine, tannic acid, copper nanoparticles and zinc nanoparticles by mass ratio, put each raw material component into a high-speed mixer for dry mixing, and the mixed The technical parameters of the refining are: the rotating speed is 800r / min, and the time is 4min;

[0038] (2) Weigh sodium cellulose sulfate and n-heptane by mass ratio and add them to the mixer, stir for 20 min at a rotating speed of 600 r / min, then add the material that was uniformly mixed in step (1), and continue at a rotating speed of 400 r / min Stir for 50min to obtain antibacteria...

Embodiment 2

[0041] An embodiment of the antibacterial coating of the present invention, the antibacterial coating of this embodiment is made of the following components by weight: 85 parts of carboxymethyl chitosan, 15 parts of tannic acid, and 1 part of zinc nanoparticles , 1 part of copper nanoparticles, 1.5 parts of sodium cellulose sulfate, 15 parts of n-butanol; its preparation method is as follows:

[0042] (1) weigh carboxymethyl chitosan, tannic acid, copper nanoparticles and zinc nanoparticles by mass ratio, put each raw material component into a high-speed mixer for dry mixing, and the process parameters of the mixing is: the speed is 850r / min, and the time is 5min;

[0043] (2) Weigh sodium cellulose sulfate and n-heptane according to the mass ratio and add them to the mixer, stir for 22 min at a rotating speed of 650 r / min, then add the uniformly mixed material in step (1), and continue at a rotating speed of 450 r / min Stir for 52min to obtain antibacterial coating;

[0044]...

Embodiment 3

[0046] An embodiment of the antibacterial coating of the present invention, the antibacterial coating of this embodiment is made of the following components by weight: 75 parts of β-1,4-poly-glucosamine, 25 parts of tannic acid, zinc 1.5 parts of nanoparticles, 1.5 parts of copper nanoparticles, 2 parts of sodium cellulose sulfate, and 20 parts of phthalates; the preparation method is as follows:

[0047] (1) Weigh β-1,4-poly-glucosamine, tannic acid, copper nanoparticles and zinc nanoparticles by mass ratio, put each raw material component into a high-speed mixer for dry mixing, and the mixed The technical parameters of the refining are: the rotating speed is 900r / min, and the time is 6min;

[0048] (2) weigh sodium cellulose sulfate and n-heptane according to the mass ratio and add them to the mixer, stir for 24min at a rotating speed of 700r / min, then add the material mixed in step (1), continue at a rotating speed of 500r / min Stir for 54min to obtain antibacterial coating...

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
densityaaaaaaaaaa
particle sizeaaaaaaaaaa
Login to View More

Abstract

The invention discloses an antibacterial coating, a preparation method and application thereof, and relates to the technical field of antibacterial coatings. The antibacterial coating of the present invention comprises the following components: chitosan, tannic acid, zinc nanoparticles, copper nanoparticles, tackifier and organic solvent; the mass ratio of chitosan to tannic acid is 50-95 : 5-50; based on the total mass of chitosan and tannic acid, the total mass fraction of the zinc nanoparticles and copper nanoparticles is 1-5%; the mass fraction of the tackifier is 0.5-3% ; The mass fraction of the organic solvent is 10-30%. The antibacterial coating of the present invention has good antibacterial performance, and at the same time, the coating has high stability and can be lasting antibacterial.

Description

technical field [0001] The invention relates to the technical field of antibacterial coatings, in particular to an antibacterial coating and a preparation method and application thereof. Background technique [0002] With the large-scale application of plastic products, consumers have higher and higher requirements for the antibacterial properties of plastic products, and the application of antibacterial materials has gradually become a new trend in the use of household products. It is of great practical significance to design effective methods to construct surface coatings with antibacterial functions. [0003] Antibacterial coating refers to a type of coating material that can inhibit the growth of bacteria on the surface or directly kill germs by modifying the surface of the material without changing the properties of the material itself. Antibacterial coatings can be divided into four categories according to different mechanisms of action: contact antibacterial coatings...

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): C09D105/08C09D5/14C09D7/65
CPCC09D105/08C09D5/14C09D7/65C08K2201/011C08K2003/0893C08K2003/085C08L1/16C08K3/08C08K5/1545
Inventor 姚春生
Owner PANJIN HAIXING FINE CHEM TECH
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