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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 Name | Affiliation | Postcode | | 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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