Key Laboratory of Bio-based Materials Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, PR China.
Key Laboratory of Bio-based Materials Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, PR China.
Carbohydr Polym. 2020 Feb 15;230:115660. doi: 10.1016/j.carbpol.2019.115660. Epub 2019 Nov 23.
Novel cellulose fibers-based composite consisted of zirconium oxyhydroxide and phytic acid doped polyaniline was prepared via a two-step method of simple chemical precipitation and followed by in situ polymerization process. Cellulose fibers were firstly modified with zirconium oxyhydroxide to enhance the binding of phytic acid doped polyaniline to the surface. A compact coating of phytic doped polyaniline was developed on zirconium oxyhydroxide modified cellulose fibers through the chelating of zirconium ions to phytic acid. The resulting composite possessed a controllable mass loading of polyaniline, which could significantly improve the conductivity, flame retardancy and electrochemical stability. Therefore, the expected chelating between zirconium ions on cellulose fibers and phytic acid doped in polyaniline supported the excellent properties of the composite paper. Notably, the developed strategy is efficient, low-cost and environmental friendly, and the work opens up new doors to the development of other cellulose fibers-related interface enhancement applications.
通过简单的化学沉淀和原位聚合两步法制备了新型纤维素纤维基复合材料，该复合材料由氧化锆水合物和植酸掺杂聚苯胺组成。首先用氧化锆水合物对纤维素纤维进行改性，以增强植酸掺杂聚苯胺与表面的结合力。通过锆离子与植酸的螯合作用，在氧化锆水合物改性的纤维素纤维上形成了紧密的植酸掺杂聚苯胺涂层。所得复合材料具有可控的聚苯胺质量负载量，可显著提高导电性、阻燃性和电化学稳定性。因此，预期纤维素纤维上的锆离子与聚苯胺中掺杂的植酸之间的螯合作用支撑了复合纸的优异性能。值得注意的是，所开发的策略高效、低成本且环保，这项工作为开发其他与纤维素纤维相关的界面增强应用开辟了新途径。
