Clickable Stars by Combination of AROP and Aqueous AGET ATRP
作者： Weipu Zhu , Mingjiang Zhong , Wenwen Li , Hongchen Dong , Krzysztof Matyjaszewski
DOI: 10.1021/MA102704G
关键词:
摘要: A series of star-shaped poly(ethylene oxide) (PEO) with azide groups at the end each arm were synthesized by combination anionic ring-opening polymerization (AROP) and aqueous activators generated electron transfer for atom radical (AGET ATRP). First, α-azido, ω-hydroxy heterofunctional PEOs prepared AROP ethylene oxide (EO) using tetrabutylammonium as initiator triisobutylaluminum catalyst. Then, a clickable PEO ATRP macroinitiator, ω-bromoisobutyryl PEO, was an esterification group 2-bromoisobutyryl bromide. Finally, AGET glycol diacrylate (EGDA) carried out in water macroinitiator surfactant. The absolute molecular weights products characterized static laser light scattering water. Azide stars Mw = 6.58 × 106 average 309 arms obtained macroi...
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