%0 Journal Article %T Solubility and Self-Assembly of Amphiphilic Gradient and Block Copolymers in Supercritical CO2 %+ Institut de Chimie Séparative de Marcoule (ICSM - UMR 5257) %+ Laboratoire Charles Coulomb (L2C) %+ Laboratoire Léon Brillouin (LLB - UMR 12) %+ Laboratoire des Fluides Supercritiques et des Membranes (LFSM) %+ Institut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier (ICGM ICMMM) %A Ribaut, Tiphaine %A Oberdisse, Julian %A Annighofer, Burkhard %A Fournel, Bruno %A Sarrade, Stéphane %A Haller, Heike %A Lacroix-Desmazes, Patrick %< avec comité de lecture %Z L2C:11-174 %@ 1520-6106 %J Journal of Physical Chemistry B %I American Chemical Society %V 115 %N 5 %P 836-843 %8 2011 %D 2011 %R 10.1021/jp108888x %Z Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft]Journal articles %X This work aims at demonstrating the interest of gradient copolymers in supercritical CO2 in comparison with block copolymers. Gradient copolymers exhibit a better solubility in supercritical CO2 than block copolymers, as attested by cloud point data. The self-assembly of gradient and block copolymers in dense CO2 has been characterized by Small-Angle Neutron Scattering (SANS) and it is shown that it is not fundamentally modified when changing from block copolymers to gradient copolymers. Therefore, gradient copolymers are advantageous thanks to their easier synthesis and their solubility at lower pressure while maintaining a good ability for self-organization in dense CO2. %G English %L hal-00630034 %U https://hal.science/hal-00630034 %~ CEA %~ CNRS %~ UNIV-MONTP1 %~ UNIV-MONTP2 %~ ENSC-MONTPELLIER %~ ICG %~ ICSM %~ L2C %~ DEN %~ INC-CNRS %~ IRAMIS-LLB %~ MIPS %~ CHIMIE %~ UNIV-MONTPELLIER %~ DEN-MARCO %~ IRAMIS %~ GS-PHYSIQUE %~ UM1-UM2 %~ UM-2015-2021 %~ TEST2-HALCNRS