Styrene Polymerization in the Presence of Cyclic Trithiocarbonate
Abstract
The cyclic trithiocarbonate 1,5-dihydrobenzo[ e ][1,3]diehiepine-3-thione was synthesized by two different methods: dialkylation of trithiocarbonate anion with alkyl halides in a two-phase system using an onium salt as a phase-transfer agent and reaction between carbon disulfide and alkyl halides using a commercially available hydroxide form of an anion-exchange resin. Styrene polymerization was carried out in the presence of cyclic trithiocarbonate. The molecular weights of polymers before and after treatment with diamine were quite different, and they increased linearly with the polymerization time, while the molecular weight distribution of all polymers obtained with the cyclic trithiocarbonate were broad as compared with the current RAFT agent. It is proposed that polystyrenes prepared in the presence of the cyclic trithiocarbonate have multiblock structure with more than one trithiocarbonate function per chain, and the cyclic trithiocarbonate functions rather than comonomer since it keeps the merit of the RAFT agent.
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The rROP approach requires delicate design of the cyclic monomer to achieve high reactivity and to control the ratio of ring-opened and cyclic structures.
“However, the rROP approach requires delicate design of the cyclic monomer to achieve high reactivity and to control the ratio of ring-opened and cyclic structures.”
From Direct Radical Copolymerizations of Thioamides To Generate Vinyl Polymers with Degradable Thioether Bonds in the Backbones (2023) · cites this paper as [30]
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- Authors
- Hong, J., Wang, Q., Lin, Y., & Fan, Z.
- Affiliations
- Zhejiang University (CN)
- Corresponding author
- Wang, Qi
- Venue
- Macromolecules
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-02-22
- Volume
- 38
- Issue
- 7
- Pages
- 2691-2695
- ISSN
- 0024-9297 (ISSN-L)
- 1520-5835
- OpenAlex
- W1970354824
- Cited by
- 59
- References
- 8
- Citations by year
- 2026: 3 · 2024: 4 · 2023: 1 · 2022: 2 · 2019: 2 · 2018: 3 · 2017: 4 · 2016: 2 · 2015: 2 · 2013: 4 · 2012: 5
- FWCI
- 3.39
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Macromolecules (publishedVersion)
- Topics
- Physical Sciences › Chemistry › Organic Chemistry › Advanced Polymer Synthesis and Characterization
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer Synthesis and Characterization
- Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
- Keywords
- styrene polymerization, RAFT agents, phase-transfer catalysis, onium salts, carbon disulfide, alkyl halides, anion exchange resin, molecular weight distribution, polymerization kinetics
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