Ring Expansion Alkyne Metathesis Polymerization

Beauchamp, Andrew M.; Chakraborty, Jhonti; Ghiviriga, Ion; Abboud, Khalil A.; Lester, Daniel W.; Veige, Adam S.

doi:10.1021/jacs.3c08717

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2024

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Cited by 6 publications

References 64 publications

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Alkyne Metathesis

Koohgard,

Tamm

2024

Reference Module in Chemistry, Molecular Sciences and Chemical Engineering

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Alkyne Metathesis

Koohgard,

Tamm

2024

Reference Module in Chemistry, Molecular Sciences and Chemical Engineering

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Vanadacyclobuta-(2,3)-diene rearrangement into a vanadium imido monoazabutadieneallenyl complex

Russell,

Smith,

Gau

et al. 2024

Polyhedron

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Synthesis of Heterografted Amphiphilic Cyclic Polymers via the Self-Folding Cyclization Technique and Their Application as Oil-in-Water Emulsion Stabilizers

Zha,

Wang,

Cheng

et al. 2024

Macromolecules

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Heterografted amphiphilic cyclic homopolymers were prepared by the self-folding cyclization technique. The reversible addition−fragmentation chain transfer (RAFT) polymerization of amphiphilic N,N′-disubstituted acrylamide with oligo(ethylene glycol) (OEG) and octyl groups (OEGOAM) was performed to afford linear POEGOAM homopolymers with two terminal anthryl groups. After self-folding in water, single-chain polymeric nanoparticles (SCPNs) were produced from the linear precursors via hydrophobic interaction. By irradiating the aqueous solution of SCPNs with 365 nm UV light, heterografted amphiphilic cyclic polymers were synthesized via intramolecular coupling of terminal anthryl groups. Due to the presence of hydrophobic alkyl and hydrophilic OEG side chains, both cyclic and linear POEGOAM homopolymers can be employed as emulsifiers to stabilize oil-inwater emulsions. Compared with the emulsion stabilized by linear POEGOAM, that using cyclic POEGOAM as the emulsifier exhibited higher long-term and hightemperature stabilities. The result could be attributed to the more compact conformation of cyclic polymers compared to linear polymers, which can provide higher stability of the newly created oil−water interface. This work not only enriches the monomer scope of the self-folding cyclization technique but also expands the application fields of cyclic polymers, as well as providing a novel insight for the design of efficient emulsifiers.

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Ring Expansion Alkyne Metathesis Polymerization

Cited by 6 publications

References 64 publications

Alkyne Metathesis

Alkyne Metathesis

Vanadacyclobuta-(2,3)-diene rearrangement into a vanadium imido monoazabutadieneallenyl complex

Synthesis of Heterografted Amphiphilic Cyclic Polymers via the Self-Folding Cyclization Technique and Their Application as Oil-in-Water Emulsion Stabilizers

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