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Structure and Performance of Photocatalytic Silk Mask Paper
  
DOI：10.11980/j.issn.0254-508X.2011.04.008
Key Words:nano-TiO2  photocatalysis  silk mask paper  filtration performance  bacteriostasis
Author NameAffiliation
沙力争1,2 1.浙江科技学院轻工学院，浙江杭州， 310023；2.天津科技大学天津市制浆造纸重点实验室，天津，300457 
赵会芳1 1.浙江科技学院轻工学院，浙江杭州， 310023；2.天津科技大学天津市制浆造纸重点实验室，天津，300457 
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Abstract:In order to obtain mask materials with filtering - photocatalytic synergistic effect, photocatalytic silk mask paper was made by loading nano-TiO2 photocatalyst on silk-base mask paper, and the effects of the beating degree and fiber length of the silk pulp as well as the basis weight of silk paper on the pore structure and filtration performance of the photocatalytic silk mask paper were discussed. Meanwhile, the surface topography and nano-TiO2 distribution of silk mask paper were observed by Field Emission Scanning Electron Microscopy (FESEM) and the bacteriostasis of silk mask paper was also measured. Results indicated that silk mask paper has higher filtering efficiency and desirable filtering resistance when the basis weight of silk paper is 45 g/m2 and the beating degree of silk pulp is in the range of 82°SR and 91°SR in this experiment. Furthermore, the loading of nano-TiO2 photocatalyst on silk paper effectively improves the antibacterial ability of the mask paper.
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