

FOLLOWUS
a.State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
b.Shenzhen Institute of Aggregate Science and Technology, School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen 518172, China
c.AIE Institute, Guangzhou 510530, China
msrrhu@scut.edu.cn
Received:07 May 2023,
Revised:2023-6-4,
Accepted:05 June 2023,
Online First:26 July 2023,
Published:01 October 2023
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Zhang, J.; Ye, F.; Huo, J. L.; Peng, J. W.; Hu, R. R.; Tang, B. Z. Diamines, CS2 and monoisocyanide-participated polymerizations for large-scale synthesis of polythioureas and thioformamide. Chinese J. Polym. Sci. 2023, 41, 1563–1576 DOI: 10.1007/s10118-023-3019-y.
Jie Zhang, Fan Ye, Jin-Lei Huo, et al. Diamines, CS2 and Monoisocyanide-participated Polymerizations for Large-scale Synthesis of Polythioureas and Thioformamide[J]. Chinese Journal of Polymer Science, 2023, 41(10): 1563-1576. DOI: 10.1007/s10118-023-3019-y.
Zhang, J.; Ye, F.; Huo, J. L.; Peng, J. W.; Hu, R. R.; Tang, B. Z. Diamines, CS2 and monoisocyanide-participated polymerizations for large-scale synthesis of polythioureas and thioformamide. Chinese J. Polym. Sci. 2023, 41, 1563–1576 DOI: 10.1007/s10118-023-3019-y. DOI:
Jie Zhang, Fan Ye, Jin-Lei Huo, et al. Diamines, CS2 and Monoisocyanide-participated Polymerizations for Large-scale Synthesis of Polythioureas and Thioformamide[J]. Chinese Journal of Polymer Science, 2023, 41(10): 1563-1576. DOI: 10.1007/s10118-023-3019-y. DOI:
This work designed a new type of multicomponent reactions
namely 3-component 2-product (3C2P) reactions
and further developed the corresponding polymerizations
which could simultaneously generate polythioureas and thioformamide in equal equivalent. Furthermore
the cheap scale-up synthesis of sequence-controlled polythioureas was achieved and the obtained functional polythiourea materials possessed tunable properties.
Multicomponent polymerizations (MCPs) are powerful tools to synthesize functional polymers with great structural diversity
low cost and high efficiency
which usually generate single polymer product. Herein
a robust one-pot diamines
CS
2
and monoisocyanide-participated catalyst-free polymerization was developed at room temperature to produce polythiourea and thioformamide simultaneously in equal equivalent
which was featured with cheap monomers
simple operation and mild condition
affording various polythioureas with high
M
w
s of up to 4.75×10
4
g/mol in high yields of up to 98%. Polythioureas with varied chain composition and sequence-controlled structure could be synthesized in 62 g-scale from copolymerization or multicomponent tandem polymerization
enabling facile tuning of thermal property
crystallinity
mechanical property
and fluorescence. The abundant irregular hydrogen bonds endowed the polythioureas excellent glassy state self-healing property at room temperature or below 0 °C. This polymerization provided an efficient and economic approach to access functional polythioureas.
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