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Preparation and Properties of Stilbene-type Fluorescent Molecule-Hydrotalcite Composite Light Stabilizer
Received:May 26, 2023  
DOI：10.11980/j.issn.0254-508X.2023.09.006
Key Words:composite light stabilizer  stilbene  fluorescent brightener  layered double hydroxide  high yield pulp
Fund Project:陕西省教育厅重点实验室项目（20JS048）；陕西省高校科协青年人才托举计划项目（20200611）；陕西省科技厅自然科学基础研究计划项目（2021JQ-826）；渭南师范学院人才项目（20RC+9）；渭南师范学院校级教育教学改革研究项目（JG202156）。
Author NameAffiliationPostcode
GUO Mingyuan* College of Chemistry and Materials Science， Weinan Normal University， Weinan， Shaanxi Province， 714099 714099
ZHANG Guanghua Key Lab of Auxiliary Chemistry ＆ Technology for Chemical Industry， Ministry of Education， Shaanxi University of Science ＆ Technology， Xi’an， Shaanxi Province，710021 710021
GUO Mingzhe Xi’an Outer Ring Branch of Shaanxi Transportation Holding Group Co.， Ltd.， Xi’an， Shaanxi Province，710018 710018
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Abstract:In this study， a highly stable bis-triazine stilbene-type fluorescent molecule （FBs） intercalated layered double hydroxide （LDHs） composite light stabilizer （FBs-LDHs） was prepared via co-precipitation method， and its brightening performance and light-induced yellowing inhibition of paper prepared from high yield pulp were evaluated. The results showed that the LDHs could effectively inhibit the photo-isomerization of FBs and improve the fluorescence performance of FBs-LDHs. After 48 h of UV aging， the PC value of FBs-LDHs coated paper was 3.9 lower than that of uncoated paper， and 3.0 lower than that of FBs coated paper， indicating that FBs-LDHs could better inhibit the photo-return of yellowing of highyield pulp paper.
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