Synthesis and application of new CO2-soluble vinyl pivalate hydrocarbon stabilisers viaRAFT polymerisation

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发布日期 2011-04-20

DOI 10.1039/C1PY00062D

影响因子 5.582

作者

Natasha A. Birkin, Nicholas J. Arrowsmith, Eun Ju Park, Alexandre P. Richez, Steven M. Howdle

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摘要

We describe the synthesis of novel, highly CO2-soluble stabilisers that overcome the current limitation requiring use of fluorinated or siloxane based materials for synthesis and processing. A series of homopolymers and copolymers with targeted molecular weight (∼10 kg mol−1) of vinyl pivalate and vinyl acetate were prepared by xanthate mediated RAFT polymerisation and a range of comonomer ratios have been characterised by GPC, NMR and DSC. In addition, detailed phase behaviour studies using a variable volume view cell were used to determine the relative solubility in scCO2. The stabilisers were applied to scCO2 dispersion polymerisations to determine their efficacy and SEM was primarily used to gauge the stabiliser effect upon the microparticle morphology of the polymer product.

期刊推荐

Cement and Concrete Composites

Advanced Materials

Advanced Powder Technology

Advanced Composite Materials

Chemistry of Materials

Bio-Medical Materials and Engineering

Heterocyclic Communications

Chirality

Current Medicinal Chemistry

Journal of Computer-Aided Molecular Design

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.

Synthesis and application of new CO2-soluble vinyl pivalate hydrocarbon stabilisers viaRAFT polymerisation

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