Polymer-Analogous Transformations in Triblock Copolymers Containing Polyacrylamide and Poly(ethylene oxide)

Larisa Kunitskaya; Tatyata Zheltonozhskaya

doi:10.17721/fujcV3I2P140-145

Authors

Larisa Kunitskaya Taras Shevchenko National University of Kiev
Tatyata Zheltonozhskaya Taras Shevchenko National University of Kiev

DOI:

https://doi.org/10.17721/fujcV3I2P140-145

Keywords:

polyacrylamide, polyethylenoxide, aminomethylation, potentiometric titration

Abstract

The polymer-analogous conversion of triblock copolymers (TBC) PAAm-b-PEO-b-PAAm by the aminomethylation reaction in PAAm blocks under the effect of dimethylamine and formaldehyde (Mannich’s reaction) was studied. Kinetic investigations of the Mannich’s reaction in TBC as compared to that in pure PAAm were performed by potentiometric titration. The existence of two competitive polymer-analogous transformations in PAAm chains of all the (co)polymers such as aminomethylation and alkaline hydrolysis of amide groups was established and discussed.

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