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Application of Mechanical Treated Corn Stover Fines in Recycled Paper
  
DOI:10.11980/j.issn.0254-508X.2018.06.005
Key Words:corn stover  fines  mechanical treatment  recycled fiber
Fund Project:天津市自然科学基金(重点项目)(16JCZDJC39700);大学生创新创业训练计划项目(201710057151)。
Author NameAffiliation
HAN Xiao-yu Tianjin Key Lab of Pulp and Paper Tianjin University of Science & Technology Tianjin 300457 
WANG Gao-sheng* Tianjin Key Lab of Pulp and Paper Tianjin University of Science & Technology Tianjin 300457 
ZHANG Chen-xia Tianjin Key Lab of Pulp and Paper Tianjin University of Science & Technology Tianjin 300457 
LUO Ya-dan Tianjin Key Lab of Pulp and Paper Tianjin University of Science & Technology Tianjin 300457 
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Abstract:Fines frationated from corn stover high yield pulp were funther treated using mechanical action, and effect of the treated fines on strength of recycled paper was studied in the paper. The fines mainly contained non-fibrous cells, such as parenchyma cells and vessels, et al. The non-fibrous cells were broken into fibrilla and smaller particles after mechanical treatment with high shear emulsification machine or high pressure homogenizer. It was proved that the enhancement effects of mechanically treated fines with a certain amount addition on recycled paper were more significant than untreated fines. When 10% homogenized fines was added into recycled paper, tensile index increased by 38.1%, ring crush index increased by 20.3% and burst index increased by 44.4% compared with the control. The reason of effectively improving the papers strength was that the fibrous fines could be more evenly filled in between the fibers and increased the binding area between the fibers.
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