Mechanochromophore-Linked Polymeric Materials with Visible Color Changes

被引：21

作者：

Qiu, Wenlian ^{[1
,2
]}

Scofield, Joel M. P. ^{[1
]}

Gurr, Paul A. ^{[1
]}

Qiao, Greg G. ^{[1
]}

机构：

[1] Univ Melbourne, Dept Chem Engn, Parkville, Vic 3010, Australia

[2] Chinese Univ Hong Kong, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R China

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2022年 / 43卷 / 10期

关键词：

mechanical stimuli; mechanochromophores; polymers; visible colors; CARBON-CENTERED RADICALS; CROSS-LINKING POINTS; MECHANOPHORE ACTIVATION; COVALENT BONDS; INDUCED MECHANOFLUORESCENCE; MECHANOCHEMICAL ACTIVATION; SPIROPYRAN MECHANOPHORES; NEGATIVE PHOTOCHROMISM; MECHANICAL ACTIVATION; MOLECULAR-WEIGHT;

D O I：

10.1002/marc.202100866

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Mechanical force as a type of stimuli for smart materials has obtained much attention in the past decade. Color-changing materials in response to mechanical stimuli have shown great potential in the applications such as sensors and displays. Mechanochromophore-linked polymeric materials, which are a growing sub-class of these materials, are discussed in detail in this review. Two main types of mechanochromophores which exhibit visible color change, summarized herein, involve either isomerization or radical generation mechanisms. This review focuses on their synthesis and incorporation into polymer matrices, the type of mechanical force used, factors affecting the mechanochromic properties, and their applications.

引用

页数：35

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