Pressure-induced phase transition of micelle-forming thermoresponsive PMMA-b-PNIPAM diblock copolymers in aqueous solution
Amphiphilic diblock copolymers from a hydrophobic block and a thermoresponsive block have a phase transition where the shell collapses and the collapsed micelles aggregate. The degree of dehydration of the shell can be tuned by applying pressure. We wish to continue our previous experiments by carrying out pressure jumps in the low-pressure and the high-pressure regime, i.e. under strong and weak dehydration conditions. Jumps will start at the same pressure in the one-phase region, just next to the coexistence line, and the target pressure will be varied in both cases. As a reference, a jump will be carried out in the one-phase regime as well. This time, the temperature shall be kept constant, so temperature as a parameter is ruled out.
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PAPADAKIS Christine; ALLWANG Johannes; Pablo Alvarez; Leonardo Chiappisi; JUNG Florian; KO Chia-Hsin; LASCHEWSKY Andre; LI Yanan; MICHALSKA Joanna; Geethu P. Meledam; SCHULTE Alfons; YAZDANSHENAS Bahar and ZHENG Feifei. (2020). Pressure-induced phase transition of micelle-forming thermoresponsive PMMA-b-PNIPAM diblock copolymers in aqueous solution. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1646
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