Amphiphilic diblock copolymers with adhesive properties: I. Structure and swelling with water

Abstract : We study asymmetric block copolymers with the simple diblock AB architecture, in the case where the longer block A is both hydrophobic and "soft", whereas the shorter block B is hydrophilic and "hard". Materials with such a particular combination of physico-chemical and mechanical properties have distinctive advantages, in particular for designing water-compatible adhesive materials. The phase diagram is established, combining NMR and SAXS characterisations of the materials. The swelling with water is monitored through gravimetry and "time-resolved" SAXS. Indications of maintained adhesive properties in a wet environment are given.
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Submitted on : Tuesday, March 17, 2009 - 4:45:26 PM
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S. Poivet, P. Fabre, Frédéric Nallet, K. Schierholz, G. Abraham, et al.. Amphiphilic diblock copolymers with adhesive properties: I. Structure and swelling with water. European Physical Journal E: Soft matter and biological physics, EDP Sciences: EPJ, 2006, 20 (3), pp.273-287. ⟨10.1140/epje/i2005-10130-7⟩. ⟨hal-00368814⟩

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