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Stabilizing co-continuous polymer blend morphologies with ABC block copolymers |
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| Authors: | GH Fredrickson FS Bates |
| Institution: | (1) Departments of Chemical Engineering and Materials, University of California, Santa Barbara, CA 93106, USA, US;(2) Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, USA, US |
| Abstract: | We suggest that ABC triblock copolymers provide a convenient and effective route to emulsifying blends of A and C homopolymers into co-continuous morphologies over a wide range of compositions. Direct transitions between disordered tricontinuous phases (“ABC microemulsions”) and spatially-periodic tricontinuous phases (e.g. gyroid or double-diamond cubic phases) should be possible in appropriately formulated alloys. We envision a broad range of potential applications to thermoplastic and thermoset polymeric materials. Received: 4 June 1997 / Revised: 17 September 1997 / Accepted: 13 October 1997 |
| Keywords: | PACS 61 12 Ex Neutron scattering techniques (including small-angle scattering) - 64 60 Fr Equilibrium properties near critical points critical exponents - 64 60 Kw Multicritical points |
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