One-step synthesis of poly(methyl methacrylate-b-ε-caprolactone) block copolymer by simultaneous ATRP and ROP

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Journal of Chemical Sciences Pub Date : 2024-09-16 DOI:10.1007/s12039-024-02309-y

Temel Öztürk, Gözde Şenay Demir

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Abstract

In this study, the simultaneous synthesis of poly(methyl methacrylate-b-ε-caprolactone) block copolymer was fulfilled by atom transfer radical polymerization of methyl methacrylate and ring-opening polymerization of ε-caprolactone. The synthesis of poly(methyl methacrylate-b-ε-caprolactone) block copolymer was carried out by varying the amount of ε-caprolactone monomer, the amount of methyl methacrylate monomer, the amount of 2-(2-chloroethoxy) ethanol initiator, the amount of toluene solvent, and the polymerization time. The effects of these parameters on the reaction conditions were investigated. Fourier transform infrared spectroscopy, proton nuclear magnetic resonance spectroscopy, and static light scattering methods were used for the characterization of the synthesized block copolymer. The surface images of the block copolymer were photographed with a scanning electron microscope instrument. In addition, thermal analysis of the synthesized block copolymer was performed using a thermogravimetric analyzer. These analyses prove the formation of the block copolymer structure.

Graphical abstract

The simultaneous synthesis of poly(methyl methacrylate-b-ε-caprolactone) block copolymer was fulfilled by the atom transfer radical polymerization of methyl methacrylate and ring-opening polymerization of ε-caprolactone. The effects of the parameters on the polymerization reaction conditions were investigated. Thermal and spectroscopic measurements prove the formation of the block copolymer structure.

Abstract Image

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通过同时进行 ATRP 和 ROP 一步法合成聚（甲基丙烯酸甲酯-b-ε-己内酯）嵌段共聚物

本研究通过甲基丙烯酸甲酯的原子转移自由基聚合和ε-己内酯的开环聚合，实现了聚(甲基丙烯酸甲酯-b-ε-己内酯)嵌段共聚物的同时合成。通过改变ε-己内酯单体的用量、甲基丙烯酸甲酯单体的用量、2-（2-氯乙氧基）乙醇引发剂的用量、甲苯溶剂的用量和聚合时间，合成了聚（甲基丙烯酸甲酯-b-ε-己内酯）嵌段共聚物。研究了这些参数对反应条件的影响。傅立叶变换红外光谱法、质子核磁共振光谱法和静态光散射法用于表征合成的嵌段共聚物。用扫描电子显微镜拍摄了嵌段共聚物的表面图像。此外，还使用热重分析仪对合成的嵌段共聚物进行了热分析。图解摘要通过甲基丙烯酸甲酯的原子转移自由基聚合和ε-己内酯的开环聚合，实现了聚甲基丙烯酸甲酯-b-ε-己内酯嵌段共聚物的同时合成。研究了参数对聚合反应条件的影响。热学和光谱测量证明了嵌段共聚物结构的形成。

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来源期刊

Journal of Chemical Sciences CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

3.10

自引率

5.90%

发文量

107

审稿时长

1 months

期刊介绍： Journal of Chemical Sciences is a monthly journal published by the Indian Academy of Sciences. It formed part of the original Proceedings of the Indian Academy of Sciences – Part A, started by the Nobel Laureate Prof C V Raman in 1934, that was split in 1978 into three separate journals. It was renamed as Journal of Chemical Sciences in 2004. The journal publishes original research articles and rapid communications, covering all areas of chemical sciences. A significant feature of the journal is its special issues, brought out from time to time, devoted to conference symposia/proceedings in frontier areas of the subject, held not only in India but also in other countries.