带有羧基的微小均匀磁性聚合物微球

IF 2.2 4区化学 Q3 CHEMISTRY, PHYSICAL Colloid and Polymer Science Pub Date : 2024-01-19 DOI:10.1007/s00396-023-05219-6

Daria O. Shestakova, Natalya N. Sankova, Ekaterina V. Parkhomchuk

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引用次数: 0

摘要

介绍了一种分两步生产带有羧基的均匀磁性聚合物微球的合成方法。所采用的方法是用磁性纳米粒子对聚合物微球进行改性，因此可以扩大磁性聚合物微球的尺寸、形状和表面基团浓度范围。合成的磁性聚合物微粒大小为 5.2 微米，羧基浓度为 350 微摩尔/克，能对磁场产生反应，只需将其暴露在永久磁铁上 4 分钟，就能轻松地从溶液中提取出来。通过研究膨胀剂浓度、种子颗粒数量和大小、抑制剂浓度和引发剂类型的影响，我们获得了所需的聚合物颗粒大小和形态。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Microsized uniform magnetic polymer microspheres with carboxyl groups

A two-step synthetic method has been described to produce uniform magnetic polymer microspheres with carboxyl groups. The approach used proposes modification of polymer microspheres with magnetic nanoparticles, therefore allowing to expand range of sizes, shapes and surface group concentration of the resulting magnetic polymer microspheres. Synthesized magnetic polymer particles of 5.2 µm in size and carboxyl group concentration of 350 µmol/g react to magnetic fields, allowing them to be easily pulled from the solution after only 4 min of exposure to a permanent magnet. The desired size and morphology of the polymer particles were achieved by studying the influence of the swelling agent concentration, seed particle amount and size, inhibitor concentration, and initiator type.

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来源期刊

Colloid and Polymer Science 化学-高分子科学

CiteScore

4.60

自引率

4.20%

发文量

111

审稿时长

2.2 months

期刊介绍： Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.