Reversible thermal gelation in soft spheres

M. Kapnistos, D. Vlassopoulos, G. Fytas, K. Mortensen, G. Fleischer, J. Roovers

    Research output: Contribution to journalJournal articleResearchpeer-review


    Upon heating, concentrated solutions of star polymers and block copolymer micelles in a good solvent, representing soft spheres, undergo a reversible gelation. This phenomenon is attributed to the formation of clusters causing a partial dynamic arrest of the swollen interpenetrating spheres at high temperatures. A phase diagram analogous to that of sterically stabilized colloids is proposed.
    Original languageEnglish
    JournalPhysical Review Letters
    Issue number19
    Pages (from-to)4072-4075
    Publication statusPublished - 2000


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