Ni-P共掺杂超交联聚合物的制备及催化还原4-硝基苯酚

doi:10.11944/j.issn.1000-0518.2019.07.180346

摘要/Abstract

摘要：

以双-(三苯基膦)氯化镍(BTP-Ni)为合成单元采用交联法原位构建Ni-P共掺杂聚合物HCP-(BTP-Ni),并实现了对HCP-(BTP-Ni)比表面积的控制合成。 N₂吸附-脱附测试(BET)、扫描电子显微镜(SEM)、X射线光电子能谱(XPS)等表征测试结果显示HCP-(BTP-Ni)比表面积能够达到733.8 m²/g,室温下,反应8 min,催化4-硝基苯酚(4-NP)的转化率能够达到99%,转化频率(TOF)达到820 h^-1。同时Ni-P共掺杂的骨架结构显著地促进了催化剂的稳定性,能够重复使用8次依然保持较高的产率。该合成方法为探索制备低成本高活性的工业用4-NP还原催化剂提供了思路。

关键词: Ni-P共掺杂, 超交联聚合物, 硝基苯酚还原, 原位合成

Abstract:

Ni-P co-doped hyper-cross-linked polymer(HCP-(BTP-Ni)) was constructed in situ via cross-linking with bis(triphenylphosphine)nickel chloride(BTP-Ni). The specific surface area of HCP-(BTP-Ni) was controlled in the synthesis. The characterization results of nitrogen absorption and desorption(BET), scanning electron microscope(SEM), X-ray photoelectron spectroscopy(XPS), and others showed that the specific surface areas of HCP-(BTP-Ni) could reach 733.8 m²/g, and the conversion rate of 4-nitrophenol at room temperature could reach 99% within 8 min. The turnover frequency(TOF) could reach more than 820 h^-1. At the same time, Ni-P co-doped skeleton structure greatly promoted the stability of the catalyst. The catalyst HCP-(BTP-Ni) could be reused for 8 times with a high yield.

Key words: Ni-P co-doped, hyper-crosslinked polymer, reduction of 4-nitrophenol, in situ synthesis

唐成,邹志娟,宋昆鹏. Ni-P共掺杂超交联聚合物的制备及催化还原4-硝基苯酚[J]. 应用化学, 2019, 36(7): 782-789.

Cheng TANG,Zhijuan ZOU,Kunpeng SONG. Preparation of Ni-P Co-doped Hyper-Crosslinked Polymer and Used for Reduction of 4-Nitrophenol[J]. Chinese Journal of Applied Chemistry, 2019, 36(7): 782-789.

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