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Self-organization in aqueous solutions of thermosensitive statistical copolymers based on N-(dimethylamino)ethyl methacrylate

Maria A. SimonovaInstitute of Macromolecular Compounds of Russian Academy of Sciences, Saint Petersburg, Russia; Correspondence[email protected]

http://orcid.org/0000-0001-5186-7876

Andrey R. KhayrullinInstitute of Macromolecular Compounds of Russian Academy of Sciences, Saint Petersburg, Russia;

http://orcid.org/0000-0003-3820-4992

Valerija O. TurinaHigher School of Technology and Energy, Saint Petersburg, Russia;

Sofija I. KamorinaNizhny Novgorod State Technical University n.a. R.E. Alekseev, Nizhny Novgorod, Russia;

http://orcid.org/0000-0002-4184-2314

Denis M. KamorinNizhny Novgorod State Technical University n.a. R.E. Alekseev, Nizhny Novgorod, Russia; ;Department of Organic Chemistry, Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia

http://orcid.org/0000-0002-8712-5062

Anton Yu SadikovNizhny Novgorod State Technical University n.a. R.E. Alekseev, Nizhny Novgorod, Russia; ;Department of Organic Chemistry, Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia

http://orcid.org/0000-0002-9301-2910

Alexander P. FilippovInstitute of Macromolecular Compounds of Russian Academy of Sciences, Saint Petersburg, Russia;

http://orcid.org/0000-0002-8729-6275

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Abstract

Thermo- and pH-responsive statistical copolymers of N-(dimethylamino)ethyl methacrylate and lauryl methacrylate were synthesized by free radical copolymerization. Obtained samples differed in content of hydrophobic components (3 and 6 mol. %). Their molar masses were close to 30,000 g/mol. Self-organization in buffer solutions of copolymers were studied using light scattering and turbidimetry. It was found that copolymers as well as of poly(N-(dimethylamino)ethyl methacrylate) were thermosensitive at pH > 7. Phase separation temperatures of investigated solutions decreased with dilution and pH increasing. Growth of lauryl methacrylate content in copolymers caused the decrease in phase separation temperatures.

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No potential conflict of interest was reported by the authors.

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Self-organization in aqueous solutions of thermosensitive statistical copolymers based on N-(dimethylamino)ethyl methacrylate

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Self-organization in aqueous solutions of thermosensitive statistical copolymers based on N-(dimethylamino)ethyl methacrylate

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