Low-Dose Hydrate Formation Inhibitors Derived from Copolymers of Maleic Anhydride and Isopropylacrylamide Amidated by Dibutylaminopropylamine

A study was carried out on the effect of copolymers derived from maleic anhydride and isopropylacrylamide on the formation of the methane-propane hydrate. The polymerization was carried out in petroleum ether and dimethylformamide. The maleic anhydride ring was then opened by dibutylaminopropylamine...

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Bibliographic Details
Published in:Chemistry and technology of fuels and oils 2024-09, Vol.60 (4), p.878-885
Main Authors: Kazakova, P. Yu, Pavelyev, R. S., Gnezdilov, D. O., Chirkova, Yu. F., Son, E. R., Varfolomeev, M. A.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Copolymers
Dimethylformamide
Geotechnical Engineering & Applied Earth Sciences
Industrial Chemistry/Chemical Engineering
Inhibitors
Isopropylacrylamide
Maleic anhydride
Mineral Resources
Supercooling
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Summary:A study was carried out on the effect of copolymers derived from maleic anhydride and isopropylacrylamide on the formation of the methane-propane hydrate. The polymerization was carried out in petroleum ether and dimethylformamide. The maleic anhydride ring was then opened by dibutylaminopropylamine. Some of the resultant polymers at concentration 0.5 mass % demonstrated a reduction in the temperature for the onset hydrate formation and in the conversion of gas into hydrate resembling commercial kinetic hydrate formation inhibitors Luvicap EG and PNIPAM. The best supercooling results were found for the sample with an enhanced content of isopropylacrylamide fragments. The least conversion of gas to hydrate was observed for the system containing maleic anhydride homopolymer modified with dibutylaminopropylamine.
ISSN:0009-3092
1573-8310
DOI:10.1007/s10553-024-01749-z