Structural analysis of polymers via solid-state dynamic nuclear polarization (DNP)-NMR

IF 2.3 4区 化学 Q3 POLYMER SCIENCE Polymer Journal Pub Date : 2024-09-11 DOI:10.1038/s41428-024-00965-y
Shinji Tanaka
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Abstract

Solid-state NMR is one of the most powerful analytical methods for the structural characterization and dynamics of polymers. Owing to its intrinsically low signal sensitivity, however, analysis of trace chemical species supported on polymers remains challenging. Solid-state NMR with dynamic nuclear polarization (DNP-NMR) has recently attracted attention as a highly sensitive NMR measurement method for analyzing polymers. We recently investigated DNP-NMR for insoluble polymers, particularly cross-linked polymers, engineering plastics, and polymer-supported catalysts, and achieved high NMR signal sensitivity at a routinely accessible level. In this focus review, we present case studies on DNP-NMR measurements for a wide range of polymers.

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通过固态动态核偏振(DNP)-核磁共振分析聚合物结构
固态核磁共振是用于聚合物结构表征和动态分析的最强大分析方法之一。然而,由于其固有的低信号灵敏度,对聚合物上支持的痕量化学物质进行分析仍然具有挑战性。动态核偏振固态核磁共振(DNP-NMR)作为一种分析聚合物的高灵敏度核磁共振测量方法,最近引起了人们的关注。我们最近研究了用于不溶性聚合物(尤其是交联聚合物、工程塑料和聚合物支撑的催化剂)的 DNP-NMR,并在常规可用水平上实现了高 NMR 信号灵敏度。在本重点综述中,我们将介绍针对各种聚合物进行 DNP-NMR 测量的案例研究。
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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.
期刊最新文献
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