Tuning the molecular weight distributions of vinylketone-based polymers using RAFT photopolymerization and UV photodegradation

文献情報

出版日 2021-11-05

DOI 10.1039/D1PY01129D

インパクトファクター 5.582

著者

Tochukwu Nwoko, Nethmi De Alwis Watuthanthrige, Bryan Parnitzke, Kevin Yehl, Dominik Konkolewicz

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要旨

The choice of chain transfer agent in reversible addition/fragmentation chain transfer polymerization has proven to be instrumental in modulating the dispersity of a certain polyphenyl vinyl ketone (PVK). The monomer, PVK, which can self-initiate when exposed to blue light, was used to synthesize homopolymers, block copolymers by extending with a different monomer and gradient polymers. Regardless of the polymer architecture or degree of polymerization, a consistent trend in polymer dispersity was quantified, with higher loadings of the less active chain transfer agent xanthate leading to higher dispersities. The dispersity could be further modulated by photodegradation of vinyl ketone polymers under UV irradiation.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

Tuning the molecular weight distributions of vinylketone-based polymers using RAFT photopolymerization and UV photodegradation

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