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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 Name | Affiliation | Postcode | | 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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