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| Research on Enhancing the Strength and Waterproof Performance of Lignocellulosic Films by Hot Pressing Process |
| Received:June 07, 2025 Revised:June 27, 2025 |
| DOI：10.11980/j.issn.0254-508X.2025.10.002 |
| Key Words:deep eutectic solvents cellulose high yield pulp hot pressing waterproof |
| Author Name | Affiliation | Postcode | | XIA Ji* | Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 | | WANG Yufeng | Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 | | ZHANG Mingliang | Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 | | CHEN Jianbin | Zhengjiang Winbon New Materials Co., Ltd., Quzhou, Zhengjiang Province, 324400 | 324400 | | WANG Haiping* | Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023
Zhengjiang Winbon New Materials Co., Ltd., Quzhou, Zhengjiang Province, 324400 | 324400 |
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| Abstract:This study employed deep eutectic solvents (DES, choline chloride/oxalic acid) to treat high yield pulp (HYP). Following vacuum filtration, ultrasonication, and hot pressing, high-performance lignocellulosic films (HYP/DES/HP films) were prepared. The effects of hot-pressing conditions on the mechanical strength and hydrophobicity of the HYP/DES/HP films were investigated. The results showed that under optimum hot pressing conditions (140 ℃, 8 MPa, and 9 min), the mechanical strength and water contact angle of the HYP/DES/HP film reached 16.24 MPa and 87.9°， respectively， representing increased of 88.2% and 74.4% compared to the lignocellulosic film without hot pressing. |
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