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Influence of PET Fibers’ Cross-sectional Shape on Structure and Properties of Filter Paper
  
DOI：10.11980/j.issn.0254-508X.2018.06.001
Key Words:fibers′ cross-sectional shape  filter paper  structure  performance
Fund Project:广东省省级科技计划项目（2015B090925003）。
Author NameAffiliation
HAO Qing-qing State Key Lab of Pulp and Paper， South China University of Technology， Filtration and Wet Nonwoven Composite Engineering Research Center， Guangzhou， Guangdong Province， 510640 
LIANG Yun* State Key Lab of Pulp and Paper， South China University of Technology， Filtration and Wet Nonwoven Composite Engineering Research Center， Guangzhou， Guangdong Province， 510640 
PAN Zheng-yuan State Key Lab of Pulp and Paper， South China University of Technology， Filtration and Wet Nonwoven Composite Engineering Research Center， Guangzhou， Guangdong Province， 510640 
ZENG Jing-shan State Key Lab of Pulp and Paper， South China University of Technology， Filtration and Wet Nonwoven Composite Engineering Research Center， Guangzhou， Guangdong Province， 510640 
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Abstract:In this paper， the influence of PET fibers’cross-sectional shape on structure and properties of filter paper was extensively studied by preparing handsheets using cellulose fibers and PET fibers with different cross-sectional shapes. The result showed that compared with the same amount of the round fiber，the triangular，trilobal， cruciform and “丰” fibers had no significant effect on the filtration efficiency of the filter paper. However， the dust holding capacity of the paper increased to some extent. When the PET fibers content was 40%， the dust holding capacity of filter paper containing triangular， trilobal， cruciform and “丰” fibers increased by 8.2 g/m2， 11.7 g/m2， 9.9 g/m2 and 13.8 g/m2 respectively. Furthermore， the trilobal and “丰” fibers had a greater impact on the thickness and dust holding capacity of the papers. The “丰” fiber had more significant influence on the pore size and air permeability of the papers than the triangular， trilobal and cruciform fibers．
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