Composites Based on Polyvinyl Alcohol and WO3: Preparation and Photochromic Characteristics

A. V. Evdokimova; Евдокимова А. В.; V. D. Shibaeva; Шибаева В. Д.; N. A. Sirotkin; Сироткин Н. А.; A. V. Khlyustova; Хлюстова А. В.

doi:10.31857/S0044453723120075

Composites Based on Polyvinyl Alcohol and WO3: Preparation and Photochromic Characteristics

Authors: Evdokimova A.V.¹, Shibaeva V.D.¹, Sirotkin N.A.¹, Khlyustova A.V.¹
Affiliations:
1. Krestov Institute of Solution Chemistry, Russian Academy of Sciences
Issue: Vol 97, No 12 (2023)
Pages: 1801-1805
Section: ФОТОХИМИЯ, МАГНЕТОХИМИЯ, МЕХАНОХИМИЯ
Submitted: 27.02.2025
Published: 01.12.2023
URL: https://ruspoj.com/0044-4537/article/view/669146
DOI: https://doi.org/10.31857/S0044453723120075
EDN: https://elibrary.ru/GCYAQD
ID: 669146

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Abstract

A comparative analysis of the photochromic properties of composites based on polyvinyl alcohol and WO3 nanoparticles stabilized with polyvinylpyrrolidone with different molecular weights has been performed. The composites possess reversible photochromicity. The results of electron absorption spectroscopy, thermal analysis, and mechanical tests showed that under the action of UV light, crosslinking of the polymer can occur depending on the molecular weight of the stabilizer and the polymer matrix.

Keywords

tungsten oxide, polyvinyl alcohol, polyvinylpyrrolidone, photochromic properties, water resistance

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