1. 陕西科技大学陕西省轻化工助剂重点实验室,陕西 西安 710021
2. 渭南师范学院化学与材料学院,陕西 渭南 714099
张光华(1962—),男,博士,教授,zhanggh@sust.edu.cn
唐进霞(1995—),女,硕士研究生,tg571520@163.com
收稿:2019-07-02,
修回:2019-09-29,
网络首发:2020-06-09,
纸质出版:2019-12-05
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张光华, 唐进霞, 郭明媛, 刘丹, 倪美乐, 王帆. 造纸用纳米粒子复合香豆素荧光乳液的制备及性能[J]. 化工学报, 2019, 70(12): 4889-4897
ZHANG Guanghua, TANG Jinxia, GUO Mingyuan, LIU Dan, NI Meile, WANG Fan. Preparation and properties of nanoparticle composite coumarin fluorescent emulsion for papermaking[J]. CIESC Journal, 2019, 70(12): 4889-4897
张光华, 唐进霞, 郭明媛, 刘丹, 倪美乐, 王帆. 造纸用纳米粒子复合香豆素荧光乳液的制备及性能[J]. 化工学报, 2019, 70(12): 4889-4897 DOI: 10.11949/0438-1157.20190752.
ZHANG Guanghua, TANG Jinxia, GUO Mingyuan, LIU Dan, NI Meile, WANG Fan. Preparation and properties of nanoparticle composite coumarin fluorescent emulsion for papermaking[J]. CIESC Journal, 2019, 70(12): 4889-4897 DOI: 10.11949/0438-1157.20190752.
以7-羟基-4-甲基香豆素为母核与丙烯酰氯反应,得到香豆素荧光单体。在乳化剂聚氧乙烯辛基苯酚醚-10(OP-10)与引发剂过硫酸铵的作用下,将其与丙烯酰胺、苯乙烯和改性纳米粒子经乳液聚合制备得到荧光乳液。采用红外光谱、核磁共振氢谱、粒径分析、紫外光谱、荧光光谱及紫外加速老化试验等对产物进行结构表征,光学性能研究及应用性能考察。结果表明,复合纳米粒子的荧光乳液粒径分布更加均匀,性质更稳定,且具有良好的光学性能, 涂覆于纸张表面,发现纸张白度得到改善,纸张强度和抗水性均大幅提高,且经过紫外老化后,发现目标产物有更好的抑制纸张返黄的作用。
7-Hydroxy-4-methylcoumarin was used as the core to react with acryloyl chloride to obtain a fluorescent monomer. Under the action of emulsifier polyoxyethylene octylphenol ether-10 (OP-10) and initiator ammonium persulfate
it was prepared by emulsion polymerization with acrylamide
styrene and modified nanoparticles to obtain a fluorescent emulsion. The products were characterized by infrared spectroscopy
nuclear magnetic resonance spectroscopy
particle size analysis
ultraviolet spectroscopy
fluorescence spectroscopy and ultraviolet accelerated aging test. The optical properties and application properties were investigated. The particle size distribution of the fluorescent emulsion of the composite nanoparticles is more uniform and the properties are more stable. When applied to the surface of the paper
it was found that the initial whiteness of the paper was improved
and the paper strength and water resistance were greatly improved. After UV aging
it was found that the target product has a better effect of inhibiting the yellowing of the paper.
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