Reversible thermal gelation in soft spheres

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

doi:10.1103/PhysRevLett.85.4072

Reversible thermal gelation in soft spheres

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

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

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 language	English
Journal	Physical Review Letters
Volume	85
Issue number	19
Pages (from-to)	4072-4075
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.85.4072
Publication status	Published - 2000

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title = "Reversible thermal gelation in soft spheres",

abstract = "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. ",

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AU - Kapnistos, M.

AU - Vlassopoulos, D.

AU - Fytas, G.

AU - Mortensen, K.

AU - Fleischer, G.

AU - Roovers, J.

PY - 2000

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AB - 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.

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U2 - 10.1103/PhysRevLett.85.4072

DO - 10.1103/PhysRevLett.85.4072

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JO - Physical Review Letters

JF - Physical Review Letters

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Reversible thermal gelation in soft spheres

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