Novel CO{sub 2}-thickeners for improved mobility control
The objective of this study was to design, synthesize, and characterize thickening agents for dense carbon dioxide and to evaluate their solubility and viscosity-enhancing potential in CO{sub 2}. Previously, fluoroacrylate homopolymers and fluorinated telechelic ionomers were shown to increase the viscosity of carbon dioxide by a factor of 3--4 at concentrations of 2--3 at concentrations of 4--5 wt%. This report details the findings for several new types of carbon dioxide thickening candidates. Hydrocarbon-fluorocarbon random copolymers, sulfonated hydrocarbon-fluorocarbon random copolymers, semifluorinated trialkyltin fluorides and small hydrogen-bounding compounds were evaluated.
- Research Organization:
- National Energy Technology Lab. (NETL), Tulsa, OK (United States). National Petroleum Technology Office (NPTO)
- Sponsoring Organization:
- USDOE Office of Fossil Energy (FE) (US)
- DOE Contract Number:
- AC26-98BC15108
- OSTI ID:
- 750874
- Report Number(s):
- DOE/BC/15108-2; TRN: AH200017%%43
- Resource Relation:
- Other Information: PBD: 2 Feb 2000
- Country of Publication:
- United States
- Language:
- English
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