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Preparation and Properties of Oil-proof Paper by Coating TEMPO-oxidized Cellulose Nanofibril/Chitosan
Received:August 29, 2022  
DOI：10.11980/j.issn.0254-508X.2022.11.007
Key Words:TEMPO-oxidized  cellulose nanofibril  chitosan  oil-proof paper  coating
Author NameAffiliationPostcode
XU Yan* College of Light Industry Science and Engineering，Tianjin Key Lab of Pulp and Paper，Tianjin University of Science and Technology， Tianjin， 300457） cn 300457
YANG Bowen College of Light Industry Science and Engineering，Tianjin Key Lab of Pulp and Paper，Tianjin University of Science and Technology， Tianjin， 300457） cn 300457
YANG Weihong College of Light Industry Science and Engineering，Tianjin Key Lab of Pulp and Paper，Tianjin University of Science and Technology， Tianjin， 300457） cn 300457
ZHAO Zhiqiang College of Light Industry Science and Engineering，Tianjin Key Lab of Pulp and Paper，Tianjin University of Science and Technology， Tianjin， 300457） cn 300457
LIU Haitang College of Light Industry Science and Engineering，Tianjin Key Lab of Pulp and Paper，Tianjin University of Science and Technology， Tianjin， 300457） cn 300457
LIU Zhong College of Light Industry Science and Engineering，Tianjin Key Lab of Pulp and Paper，Tianjin University of Science and Technology， Tianjin， 300457） cn 300457
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Abstract:In this study， unbleached hardwood pulp as raw material， oil-proof base paper with 60 g/m2 was prepared under the circumstance of optimal beating degree （70 °SR）. The oil-proof performance of the paper was improved by coating TEMPO-oxidized cellulose nanofibril （TCNF） and chitosan （CTS）. The effects on different amount of coating with oil-proof grade， hot oil resistance， solvent resistance and physical properties were also explored. The results showed that when the amount of coating of TCNF and CTS were 2.5 g/m2 and 1.4 g/m2 respectively， the oil-proof grade of paper reached the peak （grade 12） and the paper had excellent hot oil resistance， solvent resistance. Air permeability and thickness of paper was 0.003 μm/(Pa·s) and 106 μm, respectively.
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