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Simulation of the degradation of cyclic ketene acetal and vinyl based copolymers synthesized via a radical process : influence of the reactivity ratios on the degradability properties

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Abstract
The radical copolymerization of vinyl and cyclic ketene acetal (CKA) monomers is a promising way to prepare degradable vinyl polymers. The reactivity of the comonomer pair is known to be dependent of the vinyl monomer structure that requires to play with experimental conditions (feed ratio, overall monomer conversion, etc.) to target a desired cumulative (average) copolymer composition. Even if the materials are completely degradable, there is no information about the homogeneity of the degraded products. This theoretical study, using kinetic Monte Carlo simulations, allows simulating degradation at the molecular level. It is shown that disparate reactivity ratios (styrene/CKA, etc.) and also a composition drift at high conversion can lead to an inhomogeneous degraded product compared to systems with similar reactivity ratios (vinyl ether/CKA, etc.). The use of reversible deactivation radical polymerization techniques does not influence the final degraded products and is only useful for the design of advanced macromolecular architectures before degradation.

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Chicago
Gigmes , Didier, Paul Van Steenberge, Didier Siri, Dagmar D’hooge, Yohann Guillaneuf, and Catherine Lefay. 2018. “Simulation of the Degradation of Cyclic Ketene Acetal and Vinyl Based Copolymers Synthesized via a Radical Process : Influence of the Reactivity Ratios on the Degradability Properties.” Macromolecular Rapid Communications 1–7.
APA
Gigmes , D., Van Steenberge, P., Siri, D., D’hooge, D., Guillaneuf, Y., & Lefay, C. (2018). Simulation of the degradation of cyclic ketene acetal and vinyl based copolymers synthesized via a radical process : influence of the reactivity ratios on the degradability properties. MACROMOLECULAR RAPID COMMUNICATIONS , 1–7.
Vancouver
1.
Gigmes D, Van Steenberge P, Siri D, D’hooge D, Guillaneuf Y, Lefay C. Simulation of the degradation of cyclic ketene acetal and vinyl based copolymers synthesized via a radical process : influence of the reactivity ratios on the degradability properties. MACROMOLECULAR RAPID COMMUNICATIONS . 2018;1–7.
MLA
Gigmes , Didier, Paul Van Steenberge, Didier Siri, et al. “Simulation of the Degradation of Cyclic Ketene Acetal and Vinyl Based Copolymers Synthesized via a Radical Process : Influence of the Reactivity Ratios on the Degradability Properties.” MACROMOLECULAR RAPID COMMUNICATIONS (2018): 1–7. Print.
@article{8569508,
  abstract     = {The radical copolymerization of vinyl and cyclic ketene acetal (CKA)
monomers is a promising way to prepare degradable vinyl polymers. The
reactivity of the comonomer pair is known to be dependent of the vinyl
monomer structure that requires to play with experimental conditions
(feed ratio, overall monomer conversion, etc.) to target a desired cumulative
(average) copolymer composition. Even if the materials are completely
degradable, there is no information about the homogeneity of the degraded
products. This theoretical study, using kinetic Monte Carlo simulations,
allows simulating degradation at the molecular level. It is shown that
disparate reactivity ratios (styrene/CKA, etc.) and also a composition drift at
high conversion can lead to an inhomogeneous degraded product compared
to systems with similar reactivity ratios (vinyl ether/CKA, etc.). The use of
reversible deactivation radical polymerization techniques does not influence
the final degraded products and is only useful for the design of advanced
macromolecular architectures before degradation.},
  author       = {Gigmes , Didier and Van Steenberge, Paul and Siri, Didier and D'hooge, Dagmar and  Guillaneuf, Yohann and Lefay, Catherine},
  issn         = {1022-1336},
  journal      = {MACROMOLECULAR RAPID COMMUNICATIONS },
  language     = {eng},
  pages        = {1--7},
  title        = {Simulation of the degradation of cyclic ketene acetal and vinyl based copolymers synthesized via a radical process : influence of the reactivity ratios on the degradability properties},
  url          = {http://dx.doi.org/10.1002/marc.201800193},
  year         = {2018},
}

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