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Mueller, Alexander, Puetz, Yvonne, Oberhoffer, Roland, Becker, Nils, Strey, Reinhard, Wiedenmann, Albrecht and Sottmann, Thomas (2014). Kinetics of pressure induced structural changes in super- or near-critical CO2-microemulsions. Phys. Chem. Chem. Phys., 16 (34). S. 18092 - 18098. CAMBRIDGE: ROYAL SOC CHEMISTRY. ISSN 1463-9084

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Abstract

CO2-microemulsions show strong pressure dependent properties. Using time-resolved SANS to investigate the kinetics of structural changes upon periodic pressure jumps of adjustable amplitude, we found that the compression-induced formation of cylinders occurs on a timescale of one second, whereas the expansion-induced disintegration into CO2 swollen spherical micelles is much faster.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Mueller, Alexander UNSPECIFIED UNSPECIFIED UNSPECIFIED Puetz, Yvonne UNSPECIFIED UNSPECIFIED UNSPECIFIED Oberhoffer, Roland UNSPECIFIED UNSPECIFIED UNSPECIFIED Becker, Nils UNSPECIFIED UNSPECIFIED UNSPECIFIED Strey, Reinhard UNSPECIFIED UNSPECIFIED UNSPECIFIED Wiedenmann, Albrecht UNSPECIFIED UNSPECIFIED UNSPECIFIED Sottmann, Thomas UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-428731
DOI:	10.1039/c3cp53790k
Journal or Publication Title:	Phys. Chem. Chem. Phys.
Volume:	16
Number:	34
Page Range:	S. 18092 - 18098
Date:	2014
Publisher:	ROYAL SOC CHEMISTRY
Place of Publication:	CAMBRIDGE
ISSN:	1463-9084
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SUPERCRITICAL CARBON-DIOXIDE; ANGLE NEUTRON-SCATTERING; WATER-IN-CO2 MICROEMULSIONS; REVERSE MICELLES; PHASE-BEHAVIOR; SURFACTANTS; DYNAMICS; FOAMS; SANS; FLUOROSURFACTANT Multiple languages Chemistry, Physical; Physics, Atomic, Molecular & Chemical Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/42873