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Study on the Strengthening Effect of Plant Fiber on Glass Fiber Filter Paper
Received:August 23, 2022  
DOI：10.11980/j.issn.0254-508X.2023.06.002
Key Words:glass fiber filter paper  plant fiber  tensile strength  filtration performance
Fund Project:制浆造纸工程国家重点实验室开放基金资助项目（202207）。
Author NameAffiliationPostcode
LI Xikun State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
YANG Rendang State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
WANG Yang State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
SHENG Jie* State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640
School of Environmental and Chemical Engineering， Foshan University， Foshan， Guangdong Province， 528000 		528000
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Abstract:In this study， plant fiber was added to the glass fiber composed of chopped glass fiber and fine glass wool， and plant fiber reinforced glass fiber filter paper was prepared by dispersing， molding， dipping， drying， and other processes. The effects of plant fiber type， fiber proportion， and fiber beating degree on the tensile strength， filtration performance， and formation of filter paper were investigated. The results showed that the addition of plant fiber effectively improved the tensile strength of glass fiber filter paper， but had an adverse effect on its filtration performance and formation. The optimal process conditions for preparing plant fiber reinforced glass fiber filter paper were as follows： the proportion of hardwood fiber was 5%， and beating degree 40 °SR. Under these conditions， the tensile index of glass fiber filter paper was 25.3% higher than that of the blank sample， and the quality factor was maintained at a high level of 0.0220 Pa-1.
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