季戊四醇
醛
共价键
动态共价化学
聚合
胺气处理
硫醇
聚合物
高分子化学
材料科学
苯甲醛
产量(工程)
甲醛
化学
有机化学
分子
复合材料
催化作用
阻燃剂
超分子化学
作者
Kexiang Chen,Chenhui Cui,Zhen Li,Zhe Song,Qiang Zhang,Youshen Wu,Zhishen Ge,Yilong Cheng,Yanfeng Zhang
出处
期刊:ACS Macro Letters
[American Chemical Society]
日期:2023-04-11
卷期号:12 (5): 543-548
被引量:3
标识
DOI:10.1021/acsmacrolett.3c00165
摘要
Multicomponent polymerization (MCP) has the advantages of high efficiency, mild reaction conditions, and high yield and has been widely used to synthesize multifunctional polymers. In this report, we develop novel covalent adaptable networks (CANs) with dynamic thioaminal covalent bonds via a simple one-pot thiol-aldehyde-amine MCP. The dynamic behaviors of the thioaminal group are demonstrated. The obtained thioaminal CANs show the tensile strength of as high as 45 MPa via MCP of pentaerythritol tetra(3-mercaptopropionate), the mixture of formaldehyde and benzaldehyde, and 4,4'-methylenedianiline. Moreover, the CANs exhibit reprocessability, recyclability, and reconfigurable shape memory behaviors. Thus, the thiol-aldehyde-amine MCP represents a simple and efficient strategy for the preparation of versatile thioaminal CANs.
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