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Preparation and Properties Study of Photocatalytic Composite Fiber and Photocatalytic Paper
Received:January 20, 2022  
DOI：10.11980/j.issn.0254-508X.2022.09.007
Key Words:photocatalyst  cellulose  electrospinning  composite fiber  photocatalytic paper
Fund Project:省级大学生创新创业训练项目（201910225239）。
Author NameAffiliationPostcode
LI Jian* School of Materials Science and Engineering， Northeast Forestry University， Harbin， Heilongjiang Province， 150040 150040
GUAN Junyue School of Materials Science and Engineering， Northeast Forestry University， Harbin， Heilongjiang Province， 150040 150040
SONG Yao School of Materials Science and Engineering， Northeast Forestry University， Harbin， Heilongjiang Province， 150040 150040
HU Jie School of Materials Science and Engineering， Northeast Forestry University， Harbin， Heilongjiang Province， 150040 150040
SONG Yang School of Materials Science and Engineering， Northeast Forestry University， Harbin， Heilongjiang Province， 150040 150040
NING Yuping School of Materials Science and Engineering， Northeast Forestry University， Harbin， Heilongjiang Province， 150040 150040
LIU Wenbo School of Materials Science and Engineering， Northeast Forestry University， Harbin， Heilongjiang Province， 150040 150040
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Abstract:With urea as the N source， the N-TiO2 was prepared by doping and modifying TiO2. Firstly， cellulose solution and N-TiO2 were mixed， and then the photocatalytic composite fibers were prepared by electrospinning. Finally， the photocatalytic composite fibers were mixed with pulp fibers to prepare photocatalytic paper for degrading formaldehyde. The results showed that the prepared photocatalyst N-TiO2 had small particles， could be uniformly dispersed in pulp fibers， and easily spun into photocatalytic composite fibers with cellulose solution. The prepared photocatalytic paper had the degradation rate for formaldehyde of 53.8%， the tensile index >41.9 N·m/g and burst index >2.03 kPa·m2/g， with good strength properties.
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