在金属有机框架中合成具有可转换侧链的双链乙烯基聚合物

IF 2.3 4区 化学 Q3 POLYMER SCIENCE Polymer Journal Pub Date : 2024-10-03 DOI:10.1038/s41428-024-00970-1
Yuki Kametani, Masahiro Abe, Tomohito Mori, Takashi Uemura
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引用次数: 0

摘要

通过活性酯化学进行聚合后改性(PPM)是在不改变主链拓扑结构的情况下调节侧链结构的一种有价值的方法。在此,我们通过在金属有机骨架(MOF)的纳米通道内通过交联自由基聚合合成了一种具有活性酯的双链乙烯基聚合物,其孔径与双链聚合物相当。得到的双链聚(1,1,1,3,3,3-六氟丙烯酸异丙酯)(DPHFIPA)很容易转化为丙烯酸酯和丙烯酰胺,其侧链来源于PPM中使用的亲核试剂。这种方法为创建具有重复单元的双链乙烯基聚合物提供了一条途径,否则很难合成,即使使用mof模板聚合。双链聚合物由于其优美的结构和其拓扑结构所产生的潜在性能而受到人们的关注。在这项工作中,我们在金属有机框架(MOF)的纳米通道内进行了活性丙烯酸酯单体的交联聚合。MOF中的空间约束有利于聚合物双相的形成。随后,可以在不改变双链拓扑结构的情况下实现侧链的转化,从而提供各种功能的乙烯基聚合物双链物。
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Double-stranded vinyl polymer with transformable side chains synthesized in a metal‒organic framework
Post-polymerization modification (PPM) via active ester chemistry is a valuable method for modulating side-chain structures without altering their main-chain topology. Herein, we synthesized a double-stranded vinyl polymer with an active ester by crosslinking radical polymerization within the nanochannels of a metal‒organic framework (MOF) with a pore diameter comparable to that of the duplex. The resulting double-stranded poly(1,1,1,3,3,3-hexafluoroisopropyl acrylate) (DPHFIPA) was readily converted into acrylates and acrylamides with side chains derived from the nucleophile used in the PPM. This approach offers a pathway for creating double-stranded vinyl polymers with repeating units that are otherwise difficult to synthesize, even when MOF-templated polymerization is used. Double-stranded polymers have attracted attention due to their elegant structures and potential properties arising from their topology. In this work, we performed cross-linking polymerization of an active ester acrylate monomer within the nanochannels of a metal‒organic framework (MOF). The spatial constraints in the MOF facilitated the formation of a polymer duplex. Subsequently, transformation of the side chains could be achieved without altering the double-stranded topology, providing a variety of functional vinyl polymer duplexes.
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来源期刊
Polymer Journal
Polymer Journal 化学-高分子科学
CiteScore
5.60
自引率
7.10%
发文量
131
审稿时长
2.5 months
期刊介绍: Polymer Journal promotes research from all aspects of polymer science from anywhere in the world and aims to provide an integrated platform for scientific communication that assists the advancement of polymer science and related fields. The journal publishes Original Articles, Notes, Short Communications and Reviews. Subject areas and topics of particular interest within the journal''s scope include, but are not limited to, those listed below: Polymer synthesis and reactions Polymer structures Physical properties of polymers Polymer surface and interfaces Functional polymers Supramolecular polymers Self-assembled materials Biopolymers and bio-related polymer materials Polymer engineering.
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