A New Approach to Development of Photochromic Composites Based on Hydrated Tungsten(VI) Oxide Particles and Cellulose Matrix

—The synthesis strategy for the photochromic material containing the ultrafine dispersions of orthotungstic acid embedded in a hydrated cellulose matrix was proposed. The composite was obtained from solution of cellulose in Schweizer’s reagent with addition of a tungstate containing agent (sodium tu...

Full description

Saved in:
Bibliographic Details
Published in:Inorganic materials : applied research 2019, Vol.10 (5), p.1023-1032
Main Authors: Prokopovich, P. F., Kirillova, E. S., Gurtov, V. A.
Format: Article
Language:English
Subjects:
Bleaching
Cellulose
Chemistry
Chemistry and Materials Science
Dehydration
Dependence
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Phase composition
Photochromism
Physicochemical Principles of Creating Materials and Technologies
Reagents
Regeneration
Screen printing
Sodium tungstate
Synthesis
Tungsten
Ultrafines
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:—The synthesis strategy for the photochromic material containing the ultrafine dispersions of orthotungstic acid embedded in a hydrated cellulose matrix was proposed. The composite was obtained from solution of cellulose in Schweizer’s reagent with addition of a tungstate containing agent (sodium tungstate dehydrate) by acid regeneration of cellulose and hydrated tungstic(VI). The structure and phase composition were determined for substances obtained in the course of synthesis. In addition, the photochromic properties were investigated by the screen printing technique of the coating: spectral dependences of the reflection factor for the chromatic and bleached states, kinetics of the photochromic transformations, and the dependence of the coloration efficiency on the length of the radiation mode.
ISSN:2075-1133
2075-115X
DOI:10.1134/S2075113319050265