Photochromic and photo-luminescent nano microsphere with core-shell structure and preparation method thereof
A photochromic and nano-microsphere technology, which is applied in the direction of color-changing fluorescent materials, luminescent materials, chemical instruments and methods, etc., can solve the problems of insufficient thermal stability and poor photostability, and achieve rich colors, good thermal stability, Good dispersion effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0034] The nano microspheres of the present invention include an inner core and an outer shell, the inner core is an organic rare earth complex, the luminescent center of the organic rare earth complex is Tb and Eu, and the first ligand is a benzoic acid compound, which includes benzoic acid, p-methoxy Benzoic acid and p-toluic acid, the second ligand is o-phenanthroline, the outer shell is covered with a layer of SiO2, and a layer of polymer color-changing material is grafted on the surface of SiO2, wherein the polymer main chain of the polymer color-changing material is vinyl Polymers include polymethyl methacrylate, polyacrylic acid and polymethacrylic acid, and the color-changing units on the branches of the polymer color-changing material are spiropyran photochromic units, forming a composite multilayer core-shell structure.
[0035] Its preparation method is as follows:
[0036] Step 1: Core-shell structure luminescent material @SiO 2 preparation of
[0037] Add tetrae...
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, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com