Kinetic Studies of Photopolymerization of Monomer‐Containing Deep Eutectic Solvents,Macromolecular Chemistry and Physics

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Kinetic Studies of Photopolymerization of Monomer‐Containing Deep Eutectic Solvents
Macromolecular Chemistry and Physics ( IF 2.5 ) Pub Date : 2020-02-25 , DOI: 10.1002/macp.201900511
Kylee F. Fazende ₁ , Daniel P. Gary ₁ , Josué D. Mota‐Morales ₂ , John A. Pojman ₁

Affiliation

The kinetics of photopolymerization in deep eutectic solvents (DESs) is investigated through real‐time Fourier transform‐infrared spectrometry (RT‐FTIR). The systems of this study are choline chloride (ChCl) DESs made of acrylic acid and methacrylic acid (DES monomers) and a nonreactive analog isobutyric acid (IBA). The DES consisting of the analog also contains the monomer methyl methacrylate (MMA). Analysis of the evolution of conversion indicates dramatic increase in polymerization rate when comparing the polymerization of the DES monomers to pure monomer polymerization. A significant increase in polymerization rate is also seen in the systems that include a methyl ester derivative of the hydrogen bond donor monomer (e.g., MMA) in a nonpolymerizable DES (e.g., IBA−ChCl). It is proposed that the increased solvent viscosity, preorganization due to hydrogen bonding, and the polarity of the DES around the monomers play a role in the enhancement of the polymerization rate.

中文翻译：

含单体的深共晶溶剂的光聚合动力学研究

通过实时傅里叶变换红外光谱（RT-FTIR）研究了深共熔溶剂（DES）中的光聚合动力学。这项研究的系统是由丙烯酸和甲基丙烯酸（DES单体）和非反应性异丁酸（IBA）制成的氯化胆碱（ChCl）DES。由类似物组成的DES还包含甲基丙烯酸甲酯（MMA）单体。当将DES单体的聚合与纯单体聚合进行比较时，转化率的分析表明聚合速率显着增加。在包含氢键供体单体（例如MMA）的不可聚合DES（例如IBA-ChCl）中包含甲酯衍生物的体系中，聚合速率也显着提高。建议增加溶剂粘度，

更新日期：2020-02-25

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