Water-soluble copolymers. I. Synthesis of model dextran-g-polyacrylamides by Fe(II)/H/sub 2/O/sub 2/ initiation and characterization by aqueous size exclusion chromatography. [For use as viscosity modifiers for enhanced oil recovery]
Journal Article
·
· J. Appl. Polym. Sci.; (United States)
Model graft copolymers were synthesized by grafting acrylamide onto dextram (anti M/sub w/ = 500,000) utilizing the Fe(II)/H/sub 2/O/sub 2/ initiation system. Aqueous size exclusion chromatography (SEC) was used to determine the effects of changing reaction parameters on hydrodynamic dimensions of the resulting graft copolymers. It was also possible to optimize reaction conditions yielding the highest viscosity graft copolymer with the least amount of homopolyacrylamide and unreacted substrate. The molecular structures of the graft copolymers were determined by elemental analysis, SEC, and solution viscometry. Selective hydrolysis of the dextran backbone allowed determination of average molecular weight of acrylamide grafts, number of grafting sites, and average molecular weight of the graft copolymers. Rheological studies indicated viscosity and pseudoplastic behavior were largely related to the graft length of the polyacrylamide side chains.
- Research Organization:
- Univ. of Southern Mississippi, Hattiesburg
- OSTI ID:
- 6525934
- Journal Information:
- J. Appl. Polym. Sci.; (United States), Journal Name: J. Appl. Polym. Sci.; (United States) Vol. 26:5; ISSN JAPNA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Synthesis, characterization, and rheological studies of model water-soluble graft copolymers for application in enhanced oil recovery
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Tue Nov 30 23:00:00 EST 1982
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OSTI ID:5810296
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Thu Aug 28 00:00:00 EDT 2008
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Sun Dec 31 23:00:00 EST 1978
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
36 MATERIALS SCIENCE
360401 -- Polymers & Plastics-- Preparation & Fabrication-- (-1987)
ACRYLAMIDE
AMIDES
BLOOD SUBSTITUTES
CARBOHYDRATES
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CHROMATOGRAPHY
COPOLYMERS
DECOMPOSITION
DEXTRAN
DRUGS
ENHANCED RECOVERY
GRAFT POLYMERS
HEMATOLOGIC AGENTS
HYDROGEN COMPOUNDS
HYDROGEN PEROXIDE
HYDROLYSIS
IRON COMPOUNDS
LYSIS
MOLECULAR STRUCTURE
MOLECULAR WEIGHT
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
OXYGEN COMPOUNDS
PEROXIDES
POLYMERS
POLYSACCHARIDES
RECOVERY
RHEOLOGY
SACCHARIDES
SEPARATION PROCESSES
SOLUBILITY
SOLVOLYSIS
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
VISCOSITY
WATER
WELLS
020300* -- Petroleum-- Drilling & Production
36 MATERIALS SCIENCE
360401 -- Polymers & Plastics-- Preparation & Fabrication-- (-1987)
ACRYLAMIDE
AMIDES
BLOOD SUBSTITUTES
CARBOHYDRATES
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CHROMATOGRAPHY
COPOLYMERS
DECOMPOSITION
DEXTRAN
DRUGS
ENHANCED RECOVERY
GRAFT POLYMERS
HEMATOLOGIC AGENTS
HYDROGEN COMPOUNDS
HYDROGEN PEROXIDE
HYDROLYSIS
IRON COMPOUNDS
LYSIS
MOLECULAR STRUCTURE
MOLECULAR WEIGHT
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
OXYGEN COMPOUNDS
PEROXIDES
POLYMERS
POLYSACCHARIDES
RECOVERY
RHEOLOGY
SACCHARIDES
SEPARATION PROCESSES
SOLUBILITY
SOLVOLYSIS
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
VISCOSITY
WATER
WELLS