Effects of poly(vinyl pivalate)-based stabiliser architecture on CO2-solubility and stabilising ability in dispersion polymerisation of N-vinyl pyrrolidone

文献信息

发布日期 2013-05-16

DOI 10.1039/C3PY00275F

影响因子 5.582

作者

Natasha A. Birkin, Oliver J. Wildig, Steven M. Howdle

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摘要

We report the comparison of block and statistical copolymers of poly(vinyl pivalate) (PVPi), synthesised via RAFT polymerisation, as hydrocarbon stabilisers for use in dispersion polymerisations in CO2. Block copolymer stabilisers are synthesised, and their relative effectiveness in terms of solubility and stabilising ability is compared to statistical copolymer equivalents. The effect of stabiliser molecular weight on dispersion polymerisation of poly(N-vinyl pyrrolidone) PNVP in scCO2 is also explored. Finally, the RAFT end-group incorporated into the stabiliser is completely removed using radical-induced reduction to produce a hydrogen-capped stabiliser in order to investigate the significance of the xanthate in the final stabiliser structure, and whether this component plays a key role in anchoring to the growing polymer particles in scCO2.

期刊推荐

Cellular Polymers

Heterocycles

Chemical Papers

Journal of Analytical Atomic Spectrometry

Natural Product Reports

Composite Structures

Ceramics International

Organometallics

Chemical Society Reviews

Fire Safety Journal

来源期刊

Polymer Chemistry

CiteScore: 8.6

自引率: 7.3%

年发文量: 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.

Effects of poly(vinyl pivalate)-based stabiliser architecture on CO2-solubility and stabilising ability in dispersion polymerisation of N-vinyl pyrrolidone

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来源期刊

Polymer Chemistry

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