Preparation method of quaternary ammonium salt polyvinyl alcohol-cellulose-graphene oxide composite membrane
A compound technology of salinized polyvinyl alcohol and graphene, which is applied in the field of polymer materials, can solve the problems of small molecule antibacterial agents such as easy volatilization, difficult processing, and poor chemical stability, and achieve excellent antibacterial activity and improve water resistance.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0023] Example 1
[0024] (1) Preparation of CNC and GO composite dispersion (CNC / GO): mix CNC and GO aqueous dispersion according to the mass ratio of CNC and GO at 1:2, stir at room temperature for 10 minutes, and adjust the CNC / GO composite with deionized water The concentration is 0.005g / mL, and then it is ultrasonically dispersed in a 100W ultrasonic cleaning machine for 30 minutes to obtain a CNC / GO composite dispersion;
[0025] (2) Preparation of PVA / CNC / GO composite membrane: Dissolve 2g of PVA in 25mL of deionized water under stirring at 90℃ to obtain a uniform PVA aqueous solution; add the CNC / GO composite dispersion obtained in step (1) above In the PVA aqueous solution, control the CNC / GO composite nanoparticles to be 3% of the mass of the PVA, and stir at 50℃~60℃ for 20min to obtain the PVA / CNC / GO composite liquid; after the PVA / CNC / GO mixture is allowed to stand for defoaming Pour it into a glass mold, let it stand at room temperature for 12 hours, then dry at 40°C ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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