可回收纳米零价铁(nZVI)-催化剂介导甲基丙烯酸缩水甘油酯在离子液体中的持续光聚合及其功能共聚物。

IF 4.2 3区化学 Q2 POLYMER SCIENCE

Macromolecular Rapid Communications Pub Date : 2025-01-21 DOI:10.1002/marc.202400971

Amul Jain, Bhanendra Sahu, Nishikanta Singh, Sanjib Banerjee

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引用次数: 0

摘要

利用可重复使用的催化剂和反应介质最近成为设计可持续方法的一个感兴趣的领域。有趣的是，用可重复使用和可磁性分离的纳米零价铁（nZVI）实现了甲基丙烯酸甘油酯（GMA）的光诱导可逆失活自由基聚合（photoRDRP）。这导致定义良好的聚甲基丙烯酸缩水甘油酯（PGMA）（高达22700克摩尔-1）具有低分散性（Đ≤1.20）。使用离子液体和简单的低成本技术，生产了三种不同的共聚物：聚（甲基丙烯酸缩水甘油酯-随机-甲基丙烯酸二甲基氨基乙酯）聚（GMA-r-DMAEMA），聚（甲基丙烯酸缩水甘油酯-随机-甲基丙烯酸甲酯）聚（GMA-r-MMA）和聚（甲基丙烯酸缩水甘油酯-随机-苯乙烯）聚（GMA-r-St），所有这些都不需要传统的光引发剂。评价了聚（GMA-r-DMAEMA）对pH变化的响应。

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Recyclable Nano Zero-Valent Iron (nZVI)-Catalyst-Mediated Sustainable Photopolymerization of Glycidyl Methacrylate in Ionic Liquid and Functional Copolymers Thereof.

Utilization of reusable catalysts and reaction media has recently been an area of interest to devise a sustainable approach. Interestingly, photoinduced reversible deactivation radical polymerization (photoRDRP) of glycidyl methacrylate (GMA) is achieved with reusable and magnetically separable nano zero-valent Iron (nZVI). This resulted in well-defined poly(glycidyl methacrylate) (PGMA) (upto 22700 g mol^-1) with a low dispersity (Đ ≤ 1.20). Using an ionic liquid and a straightforward low-cost technique, three different copolymers: poly(glycidyl methacrylate-random-dimethyl amino ethyl methacrylate) poly(GMA-r-DMAEMA), poly(glycidyl methacrylate-random-methyl methacrylate) poly(GMA-r-MMA) and poly(glycidyl methacrylate-random-styrene) poly(GMA-r-St) are produced, all without the need for traditional photoinitiators. The response of the poly(GMA-r-DMAEMA) to pH variations is evaluated.

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来源期刊

Macromolecular Rapid Communications 工程技术-高分子科学

CiteScore

7.70

自引率

6.50%

发文量

477

审稿时长

1.4 months

期刊介绍： Macromolecular Rapid Communications publishes original research in polymer science, ranging from chemistry and physics of polymers to polymers in materials science and life sciences.