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| Preparation of Polystyrene Fluorescence Emulsion and Its Inhibiting Effect on Yellowing of High yield Pulp |
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| DOI：10.11981/j.issn.1000-6842.2018.03.20 |
| Key Words:yellowing inhibitor; fluorescent polymer emulsion; naphthalimide; hydrophobicity |
| Fund Project:国家自然科学基金项目（31670596）。 |
| Author Name | Affiliation | | ZHANG Guang-hua | College of Chemistry and Chemical Engineering， Key Lab of Auxiliary Chemistry ＆ Technology for Chemical Industry，Ministry of Education， Shaanxi University of Science ＆ Technology， Xi’an, Shaanxi Province, 710021 | | LYu Tong* | College of Chemistry and Chemical Engineering， Key Lab of Auxiliary Chemistry ＆ Technology for Chemical Industry，Ministry of Education， Shaanxi University of Science ＆ Technology， Xi’an, Shaanxi Province, 710021 | | GUO Ming-yuan | College of Chemistry and Chemical Engineering， Key Lab of Auxiliary Chemistry ＆ Technology for Chemical Industry，Ministry of Education， Shaanxi University of Science ＆ Technology， Xi’an, Shaanxi Province, 710021 |
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| Abstract: |
| Polystyrene fluorescent emulsion was prepared by emulsion polymerization,and its synthesis conditions were optimized. Its structure was determined by FT-IR and gel permeation chromatography(GPC).The optical properties were measured by UV and fluorescence spectra. The contact angle of the paper coated the emulsion was 20° larger than the blank paper, and its whiteness increased by 15.6%. After UV light irradiation for 48 h, compared with the blank paper and the paper coated with micromolecule fluorescent whitening agent, the whiteness reduction of the paper coated with the polymer decreased by 8.79 and 8.08 percentage points, respectively. |
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