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Investigation on properties of re-dispersible cationic
作者:Liandong Deng, Yinglei Zhai, Xiaona Lin, Fengmin Jin, Xiaohua He, Anjie Dong
关键字:Cationic hydrogel; Nanoparticles; Environment-sensitive; Distillation–dispersion copolymerization
论文来源:期刊

P(DMAEMA-g-EG) cationic hydrogel nanoparticles (CHNPs) were prepared by distillation–dispersion copolymerization
of poly(ethylene glycol) methyl ether methacrylate (MPEGMA) and N,N-dimethylaminoethyl methacrylate (DMAEMA)
using acetonitrile (AN) as dispersion medium. The results of FTIR spectra indicate that the composition of
P(DMAEMA-g-EG) CHNPs is consistent with the designed structure. The TEM image shows that P(DMAEMAg-
EG) CHNPs are of spherical morphology before and after swelling. The investigations on the properties of
P(DMAEMA-g-EG) CHNPs indicate that P(DMAEMA-g-EG) CHNPs have pH-, ionic strength- and thermo-sensitive
characters. This type of P(DMAEMA-g-EG) CHNP is very promising as environment-sensitive drug carriers.