The effects of salts and ionic surfactants on the micellar structure of tri-block copolymer PEO-PPO-PEO in aqueous solution
The micelles of two poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) (PEO-PPO-PEO) block copolymers, P123 and F127 (same mol wt of PPO but different % PEO) in aqueous solution in the absence and presence of salts as well as ionic surfactants were mainly examined by dynamic light scattering (DLS). The study is further supported by cloud point and viscosity measurements. The change in cloud point (CP), as well as the size of micelles in aqueous solution in presence of salts obeys...[Show more]
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|Source:||Journal of Dispersion Science and Technology|
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