Rosin polymer�grafted lignin composites were prepared via �grafting from� atom transfer radical polymerization (ATRP). Kinetic studies indicated controlled and �living� characteristics of all monomer polymerizations.The grafting of rosin polymers significantly enhanced hydrophobicity of lignin. The impartation of hydrophobicity of rosin into lignin provided excellent water resistance of this class of renewable polymers, as all rosin-modified lignin composites showed water uptake below 1.0wt%.

Hydrophobic renewable rosin-lignin composites by atom transfer radical polymerization

243rd National Meeting (2012)

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