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纳米TiO₂晶型配比对涂布纸性能的影响

Effect of the Ratio of Nano TiO₂ Crystals on the Properties of Coated Paper

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【Author】 Li Bin1,2 Li Youming1,2 Yang Wenliang1,2 Chen Mingjie1 He Jingru1 (1.National Engineering Research Center of Papermaking and Pollution Control,South China University of Technology,Guangzhou 510640,Guangdong,China;2.State Key Lab of Pulp and Paper Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China)

【机构】华南理工大学造纸与污染控制国家工程研究中心；华南理工大学制浆造纸工程国家重点实验室；

【摘要】本实验研究了纳米TiO2晶型配比对涂布纸性能的影响。研究发现,涂料中纳米锐钛矿与纳米金红石的配比为1/1时,涂布纸具有较优的光学性能和印刷性能,且由于光在两种晶型纳米TiO2界面间的协同效应使涂布纸具有较高的白度;此时,较优的荧光增白剂用量为0.25%。更多还原

【Abstract】 In this work,effect of the ratio of nano TiO2 crystals on the properties of coated paper was investigated.The results of the characterization of coated paper showed that better optical properties and printability could be achieved when the coatings contained a one-to-one mixture of anatase and rutile.Meanwhile,because of the synergistic effect between the interface of anatase and rutile,higher brightness could be got.In addition,the optimal dosage of fluorescent whitening agent was 0.25% when the ratio of anatase and rutile was 1∶1.更多还原