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| Preparation and Thermal Conductivity Study of Cationized Pulp/Modified Boron Nitride Nanosheet Composite Paper |
| Received:December 09, 2024 |
| DOI：10.11980/j.issn.0254-508X.2025.04.007 |
| Key Words:cationized pulp 3-chloro-2-hydroxypropyl trimethylammonium chloride boron nitride nanosheets composite paper |
| Fund Project:陕西科技大学自然科学前沿研究基金（2020XSGG-07）；陕西省重点研发计划（2022GY-278）；陕西省自然科学基础研究计划（2023-JC-YB-104）；广西清洁化制浆造纸与污染控制重点实验室开放基金（2023GXZZKF36）。 |
| Author Name | Affiliation | Postcode | | LI Mingqin* | School of Light Industry Science and Engineering, Shaanxi University of Science and Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | TIAN Xiuzhi* | School of Light Industry Science and Engineering, Shaanxi University of Science and Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | JIANG Bing | Jiangsu Golden Morning Knitting Co., Ltd., Suzhou, Jiangsu Province, 215500 | 215500 | | BAI Haozhe | Tiger Surface Technology New Materials （Suzhou） Co., Ltd., Suzhou, Jiangsu Province, 215400 | 215400 | | GAO Xinyu | Tiger Surface Technology New Materials （Suzhou） Co., Ltd., Suzhou, Jiangsu Province, 215400 | 215400 | | LIU Peiting | School of Light Industry Science and Engineering, Shaanxi University of Science and Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | LIU Liu | School of Light Industry Science and Engineering, Shaanxi University of Science and Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | JIANG Xue* | School of Light Industry Science and Engineering, Shaanxi University of Science and Technology, Xi’an, Shaanxi Province, 710021 | 710021 |
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| Abstract:Cationized pulp （CMCF） was prepared by reacting softwood fibers with 3-chloro-2-hydroxypropyl trimethylammonium chloride， while chitosan oligosaccharide-modified boron nitride nanosheets （COSBNNSs） were obtained via ball milling of hexagonal boron nitride with chitosan oligosaccharide as an auxiliary agent. The results showed that COSBNNSs were retained in the CMCF matrix through electrostatic adsorption， hydrogen bond， and other interactions. The introduction of COSBNNSs facilitated the formation of thermal conduction pathways. When the COSBNNSs content reached 30%， the resulting thermal conducting composite paper CMCF/COSBNNSs exhibited a maximum thermal conductivity of 2.07 W/(m·K) and a max strain of 33.66 MPa， demonstrating both high mechanical strength and thermal conductivity， making it a promising candidate for thermal management applications. |
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