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The formation of photodegradable nitrophenylene polymers via ring-opening metathesis polymerization
Polymer Chemistry ( IF 4.1 ) Pub Date : 2022-09-12 , DOI: 10.1039/d2py00684g
Bonwoo Koo 1 , Dopil Kim 1 , Da Yong Song 1 , Woo Joo Han 1 , Dongwook Kim 2 , Jae Woo Park 1 , Min Kim 1 , Cheoljae Kim 1
Affiliation  

A photodegradable nitrophenylene polymer was prepared via ring-opening metathesis polymerization (ROMP). Newly designed macrocyclic monomers bearing an ortho-nitrobenzyl ester were successfully polymerized by using a Grubbs-type catalyst within 30 minutes. The DFT calculated Gibbs free energies of ring-opening reactions support polymerization reactivities from macrocyclic monomers with low ring strain. The resulting polymers were cleaved in the presence of UVA light without any chemical additives within 1 hour.

中文翻译:

开环复分解聚合制备可光降解硝基苯聚合物

通过开环复分解聚合(ROMP)制备可光降解的硝基苯聚合物。新设计的带有硝基苄酯的大环单体通过使用 Grubbs 型催化剂在 30 分钟内成功聚合。DFT 计算的开环反应的吉布斯自由能支持来自具有低环应变的大环单体的聚合反应性。所得聚合物在没有任何化学添加剂的 UVA 光存在下在 1 小时内裂解。
更新日期:2022-09-12
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