Eutectic Strategy for the Solvent-Free Synthesis of Hydrophobic Cellulosic Cross-Linked Networks with Broad Multifunctional Applications.

IF 5.1 Q1 POLYMER SCIENCE

ACS Macro Letters Pub Date : 2024-11-19 Epub Date: 2024-11-01 DOI:10.1021/acsmacrolett.4c00573

Huanhuan Wu, Kaili Zhang, Hanyu Jiang, Ren'ai Li

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Abstract

Cellulose-based functional materials play a crucial role in sustainable social development. However, during the material synthesis process, there is typically significant reliance on various solvent systems for macroscopic- or molecular-scale functionalization modifications. In this study, an innovative hydrophobic eutectic solvent (HES) was developed using ethyl cellulose (EC) and thymol (Thy) without any external solvents. Utilizing this homogeneous system, it is convenient to chemically modify the components without any catalyst. Furthermore, a hydrophobic cellulosic cross-linked network (HCCN) can be successfully prepared through in situ photopolymerization. The HCCN film exhibits high transparency, excellent mechanical properties, chemical stability, and durability. The EC/Thy prepolymer system also demonstrates favorable processability for the preparation of various polymeric materials. Additionally, the applicability of other biomasses and derivatives based on the eutectic strategy has been verified. The methodology proposed in this study offers novel insights into the green and solvent-free preparation of biomass functional materials.

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无溶剂合成具有广泛多功能应用的疏水性纤维素交联网络的共晶策略。

纤维素功能材料在社会可持续发展中发挥着至关重要的作用。然而，在材料合成过程中，通常需要大量依赖各种溶剂系统进行宏观或分子尺度的功能化改性。本研究利用乙基纤维素（EC）和百里酚（Thy）开发了一种创新的疏水共晶溶剂（HES），无需任何外加溶剂。利用这种均相体系，可以在不使用任何催化剂的情况下方便地对成分进行化学改性。此外，还可以通过原位光聚合反应成功制备疏水性纤维素交联网络（HCCN）。HCCN 薄膜具有高透明度、优异的机械性能、化学稳定性和耐久性。EC/Thy 预聚物体系还具有良好的加工性，可用于制备各种聚合物材料。此外，基于共晶策略的其他生物质和衍生物的适用性也得到了验证。本研究提出的方法为绿色无溶剂制备生物质功能材料提供了新的思路。

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来源期刊

ACS Macro Letters 化学-

CiteScore

10.40

自引率

3.40%

发文量

209

审稿时长

1 months

期刊介绍： ACS Macro Letters publishes research in all areas of contemporary soft matter science in which macromolecules play a key role, including nanotechnology, self-assembly, supramolecular chemistry, biomaterials, energy generation and storage, and renewable/sustainable materials. Submissions to ACS Macro Letters should justify clearly the rapid disclosure of the key elements of the study. The scope of the journal includes high-impact research of broad interest in all areas of polymer science and engineering, including cross-disciplinary research that interfaces with polymer science. With the launch of ACS Macro Letters, all Communications that were formerly published in Macromolecules and Biomacromolecules will be published as Letters in ACS Macro Letters.