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SYNTHESIS,SELF-ASSEMBLY AND RESPONSIVE PROPERTIES OF PEG-b-PDMAEMA-b-PMMAzo TRIBLOCK COPOLYMERS 被引量:7
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作者 Yao-hui Xing 林绍梁 +1 位作者 林嘉平 Xiao-hua He 《Chinese Journal of Polymer Science》 SCIE CAS CSCD 2013年第5期833-840,共8页
A novel amphiphilic copolymer poly(ethylene glycol)-block-poly(N,N-dimethylamino-2-ethylmethacrylate)-block- poly[6-(4-methoxy-azobenzene-4'-oxy) hexyl methacrylate] (PEG-b-PDMAEMA-b-PMMAzo) was prepared by A... A novel amphiphilic copolymer poly(ethylene glycol)-block-poly(N,N-dimethylamino-2-ethylmethacrylate)-block- poly[6-(4-methoxy-azobenzene-4'-oxy) hexyl methacrylate] (PEG-b-PDMAEMA-b-PMMAzo) was prepared by ATRP polymerization. The self-assembly and responsive behaviors were investigated by SEM, TEM, LLS and UV-Vis spectra. The results indicated that the copolymers can self-assemble into spherical structures in aqueous media. The aggregate size can be tuned by pH and temperature. The trans-cis isomerization behavior of the formed aggregates was also examined. Upon irradiation with a linear polarized light, the elongation degree of the aggregates was increased with the irradiation time. 展开更多
关键词 zobenezene COPOLYMER SELF-ASSEMBLE Responsive.
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