Evaporation-Induced Crystallization of Pluronic F127 Studied in Situ by Time-Resolved Infrared Spectroscopy
作者： Plinio Innocenzi , Luca Malfatti , Massimo Piccinini , Augusto Marcelli
DOI: 10.1021/JP908162Z
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摘要: Rapid scan time-resolved infrared spectroscopy has been used to study in situ the crystallization induced by evaporation an aqueous solution of a triblock copolymer, Pluronic F127. A droplet was cast on silicon substrate and followed microscope transmission mode. The rate water, last stage process, shown be correlated changes block copolymer; four different stages can distinguished. copolymer passes from amorphous micellar state water partially crystallized phase well-defined evaporation; complete change crystalline F127 is observed only after all evaporated.
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