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Room Temperature One-Step Conversion from Elemental Sulfur to Functional Polythioureas through Catalyst-Free Multicomponent Polymerizations
Abstract
The utilization of sulfur is a global concern, considering the abundant and cheap source of sulfur from nature and petroleum industry, its limited consumption, and the safety/environmental problems caused during storage. The economic and efficient transformation of sulfur remains to be a great challenge for both academia and industry. Herein, a room temperature conversion from sulfur to functional polythioureas was reported through a catalyst-free multicomponent polymerization of sulfur, aliphatic diamines, and diisocyanides in air with 100% atom economy. The polymerization enjoys quick reaction and wide monomer scope, which affords 16 polythioureas with well-defined structures, high molecular weights ( M w s up to 242 500 g/mol), and excellent yields (up to 95%). The polythioureas can be utilized to detect mercury pollution with high sensitivity ( K sv = 224 900 L/mol) and high selectivity, clean Hg 2+ with high removal efficiency (>99.99%) to achieve drinking water standard, and monitor the real-time removal process by fluorescence.
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Cited by
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Metadata
- Authors
- Tian, T., Hu, R., & Tang, B. Z.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-04-23
- Volume
- 140
- Issue
- 19
- Pages
- 6156-6163
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2801416352
- Cited by
- 294
- References
- 23
- FWCI
- 10.94
- Type
- journal article
- Language
- en
- Open access
- closed
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