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陕西科技大学 教育部轻化工助剂化学与技术重点实验室, 陕西 西安 710021
纸质出版日期:2018-4-5,
网络出版日期:2017-10-25,
收稿日期:2017-8-15,
修回日期:2017-10-12,
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吕彤, 张光华, 郭明媛. 聚苯乙烯荧光乳液的制备及其性能研究[J]. 发光学报, 2018,39(4): 466-474
LYU Tong, ZHANG Guang-hua, GUO Ming-yuan. Preparation of Polystyrene Fluorescent Emulsion and Its Properties[J]. Chinese Journal of Luminescence, 2018,39(4): 466-474
吕彤, 张光华, 郭明媛. 聚苯乙烯荧光乳液的制备及其性能研究[J]. 发光学报, 2018,39(4): 466-474 DOI: 10.3788/fgxb20183904.0466.
LYU Tong, ZHANG Guang-hua, GUO Ming-yuan. Preparation of Polystyrene Fluorescent Emulsion and Its Properties[J]. Chinese Journal of Luminescence, 2018,39(4): 466-474 DOI: 10.3788/fgxb20183904.0466.
为了实现萘酰亚胺水性化以及提高与纸张的结合性,通过乳液聚合法制备了聚苯乙烯荧光乳液,并对其合成条件进行了优化。通过红外、凝胶渗透色谱法确定其结构;利用紫外、荧光光谱测定其光学性能;采用扫描电镜和透射电镜对其形貌进行了观测。通过计算得出其荧光量子产率为78.57%。聚合物涂布于纸张表面后,初始白度增大了8.19%(ISO)。在紫外老化箱老化48 h后,涂有聚合物的纸张的白度分别比空白纸和涂有小分子荧光增白剂的纸张下降了3.68%(ISO)和3.16%(ISO),说明所制得的聚合物乳液与纸张结合性好,具有一定的增白及返黄抑制作用。
In order to improve the water solubility of naphthalimide and the combination with the paper
the polystyrene fluorescent emulsion was prepared by emulsion polymerization
and its synthesis conditions were optimized. The structure was determined by FT-IR and gel permeation chromatography(GPC). The optical properties were measured by UV and fluorescence spectra. Its morphology was observed by scanning electron microscopy and transmission electron microscopy. The fluorescence quantum yield is 78.57%. After polymer coats on the surface of the paper
its initial whiteness increases by 8.19%(ISO). After 48 h UV light irradiation
compared with that of the blank paper and the paper which coats the micromolecule fluorescent whitening agent
the whiteness of the paper which coats the polymer decreases by 3.68%(ISO) and 3.16%(ISO)
respectively. The results show that the prepared polymer emulsion and paper adhesion are good
with whitening and yellowing inhibition.
荧光增白剂萘酰亚胺苯乙烯聚合物乳液稳定性
yellowing inhibitornaphthalimidestyrenestability of polymer emulsion
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