Experimental research and DPD simulation on the interaction between an ethoxy-modified trisiloxane and F127
作者： Jinyu Pang , Guiying Xu , Yebang Tan
DOI: 10.1007/S00396-012-2615-0
关键词:
摘要: The interactions between surfactants and polymers are widely investigated due to favorable changes on properties in their mixtures. Silicone pluronic copolymers, both having low toxicity, used the detergent, cosmetics, medical, pharmaceutical fields. Their mixture may gain better performance further applications. Therefore, we interaction an ethoxy-modified trisiloxane (a silicone surfactant named Ag-64) a block polyether F127 this paper. From aggregation behavior of Ag-64 F127, formation mechanism conformation aggregates were proposed based experiments dissipative particle dynamics (DPD) simulation. surface activity affected by aqueous solutions. As amounts added increase, two types (Ag-64/F127 aggregate with as skeleton “pearl- necklace” which micelles strung along chain) form successively. At higher polymer concentration, twists together coil/cluster Ag-64. results DPD simulation approve that main factors, hydrophobic association twist coil, contribute different F127.
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