Abstract

Electron microscopy and small angle X-ray scattering were used to investigate the structure of copolymers of methacrylic acid and a hexa-functional crosslinking agent of 1,3,5-hexahydrotriariacryloyltriazine (analogues of “Biocarb” cation exchange resin) and their sorption properties evaluated in relation to proteins of different molecular weights. It was shown that the structural heterogeneity of copolymers increases with an increase in the content of crosslinking agent, which determined interaction with solvents, electrochemical and sorption properties of copolymers. The selectivity of sorption of proteins is proportional to the concentration of functional groups of the copolymer and only shows indirect dependence on the content of crosslinking agent.

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