Polymorphism and polymerisation of acrylic and methacrylic acid at high pressure

Iain D. H. Oswald, Andrew J. Urquhart

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    Abstract

    The polymorphism and polymerisation of two related acids have been investigated under high pressure conditions. Acrylic acid crystallises as a new polymorph at 0.65 GPa whilst methacrylic acid crystallises in a new polymorph at a higher pressure of 1.5 GPa. Both these new polymorphs exhibit similar hydrogen bonding motifs to the low temperature phases, however, the molecular packing differs significantly.
    Original languageEnglish
    JournalCrystEngComm
    Volume13
    Issue number14
    Pages (from-to)4503-4507
    ISSN1466-8033
    DOIs
    Publication statusPublished - 2011

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