Contrast variation SANS experiments to the study of detergent-induced micellization of block copolymers |
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| Authors: | V K Aswal J Kohlbrecher |
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| Institution: | (1) Solid State Physics Division, Bhabha Atomic Research Centre, 400 085 Mumbai, India;(2) Spallation Neutron Source Division, Paul Scherrer Institute, CH-5232 PSI Villigen, Switzerland |
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| Abstract: | PEO—PPO—PEO triblock copolymer P85 (EO)26(PO)39(EO)26] dissolves as unimers and detergent sodium dodecyl sulfate (SDS) forms micelles in aqueous solution at 20°C. The mixing of
detergent with triblock copolymer induces the micellization of triblock copolymers. Contrast variation small-angle neutron
scattering measurements show that triblock copolymer forms mixed micelles with detergent and the mixing of two components
in the mixed micelles is uniform. |
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| Keywords: | Small-angle neutron scattering micelle block copolymer |
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