Abstract

Hydrophilic, hydrophobic, and amphiphilic graft polymer brushes are synthesized by grafting polyacrylic acid and or polymethyl meth-acrylate onto gelatin granules crosslinked with glutaraldehyde. The ability of these brushes to selectively imbibe a solvent from immiscible pairs of solvents is demonstrated. The enhanced solvent mopping ability of the lipophilic and amphiphilic brushes from mixed solvent systems is interpreted through modified solvent interaction parameters.

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