In this study, copolymers were synthesized using methyl methacrylate (MMA) and 2-allyloxymethyl-1-methylimidazole (AOMMI) monomers at various ratios. For this purpose, hydroxyl end-functionalized imidazole was initially prepared with 1-methylimidazole and then it was used to prepare allyl-derived imidazole monomers. Finally, the synthesis of copolymers (poly(MMA-co-AOMMI)) was carried out using different proportions of commercial MMA and AOMMI monomers. Photopolymerization method was preferred as polymerization technique. The polymerization was carried out in solvent-free medium and benzophenone was used as the initiator. Fourier transform infrared spectroscopy (FTIR), nuclear magnetic resonance spectroscopy (¹H NMR and ¹³C NMR) and elemental analysis were used for the structural characterization of the obtained copolymers. Molecular weights and the thermal behaviour of the synthesized copolymers were analysed with gel permeation chromatography (GPC) and thermogravimetry (TG) techniques, respectively. The surface of the products was tried to be illuminated using scanning electron microscopy (SEM). According to the obtained FTIR, NMR and elemental analysis results, the copolymers were successfully synthesized. A number average molecular weights of poly(MMA-co-AOMMI) samples were found 13,500 (MMA:2/AOMMI:1), 16,600 (MMA:1/AOMMI:2) and 17,300 (MMA:1/AOMMI:1) according to the mixing ratios. When the thermal stabilities of the synthesized copolymers were observed, it has been seen that those containing imidazole had higher stability than the neat PMMA.

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新型咪唑基单体的合成及与甲基丙烯酸甲酯的共聚研究

在这项研究中，使用甲基丙烯酸甲酯（MMA）和2-烯丙氧基甲基-1-甲基咪唑（AOMMI）单体以各种比例合成了共聚物。为此，首先用1-甲基咪唑制备羟基末端官能化的咪唑，然后将其用于制备烯丙基衍生的咪唑单体。最后，使用不同比例的商业MMA和AOMMI单体进行共聚物（聚（MMA- co- AOMMI））的合成。作为聚合技术，优选光聚合法。聚合在无溶剂介质中进行，二苯甲酮用作引发剂。傅里叶变换红外光谱（FTIR），核磁共振光谱（¹ H NMR和¹³NMR和元素分析用于获得的共聚物的结构表征。分别通过凝胶渗透色谱法（GPC）和热重分析（TG）技术分析了合成共聚物的分子量和热行为。尝试使用扫描电子显微镜（SEM）对产品表面进行照明。根据获得的FTIR，NMR和元素分析结果，成功合成了共聚物。聚（MMA- co的数均分子量-AOMMI）样品根据混合比例被发现为13,500（MMA：2 / AOMMI：1），16,600（MMA：1 / AOMMI：2）和17,300（MMA：1 / AOMMI：1）。当观察到合成共聚物的热稳定性时，已经发现含有咪唑的共聚物比纯PMMA具有更高的稳定性。