Linear poly(ethylenimine)-graft-poly(ethylene glycol) copolymers: Their micellization and secondary assembly
作者： Huanbing Wang , Xuesi Chen , Caiyuan Pan
DOI: 10.1016/J.JCIS.2007.11.051
关键词:
摘要: Linear poly(ethylenimine)-graft-poly(ethylene glycol)s (LPEI-g-PEG) with various degrees of grafting and molecular weights were synthesized by Michael addition reaction LPEI methoxy poly(ethylene glycol) acrylate. The graft copolymers display pH-sensitive behaviors, pH variation the copolymer solution induced aggregation copolymers, forming micelles different sizes. dynamic light scattering method was used to study effects ionic strength, chain composition on hydrodynamic radius. With solvent evaporation solution, morphologies formed.
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