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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 10/2012

01.07.2012 | Original Contribution

Experimental research and DPD simulation on the interaction between an ethoxy-modified trisiloxane and F127

verfasst von: Jinyu Pang, Guiying Xu, Yebang Tan

Erschienen in: Colloid and Polymer Science | Ausgabe 10/2012

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Abstract

The interactions between surfactants and polymers are widely investigated due to favorable changes on properties in their mixtures. Silicone surfactants and pluronic copolymers, both having low toxicity, are used in the detergent, cosmetics, medical, and pharmaceutical fields. Their mixture may gain better performance in their further applications. Therefore, we investigated the interaction between an ethoxy-modified trisiloxane (a silicone surfactant named Ag-64) and a block polyether F127 in this paper. From aggregation behavior of Ag-64 and F127, the formation mechanism and conformation of the aggregates were proposed based on experiments and dissipative particle dynamics (DPD) simulation. The surface activity and aggregation behavior of Ag-64 are affected by F127 in aqueous solutions. As the amounts of added Ag-64 increase, two types of aggregates (Ag-64/F127 aggregate with F127 as skeleton and the “pearl- necklace” aggregate in which Ag-64 micelles are strung along F127 chain) form successively. At higher polymer concentration, F127 twists together to form a coil/cluster aggregate with Ag-64. The results of DPD simulation approve that two main factors, the hydrophobic association and twist of F127 coil, contribute to the formation of different aggregates of Ag-64 and F127.
Vorheriger Artikel Composition-dependent sintering behaviour of chemically synthesised CuNi nanoparticles and their application in aerosol printing for preparation of conductive microstructures
Nächster Artikel Photo-controlled/living radical polymerization of 2-(dimethylamino)ethyl methacrylate using 4-methoxy-2,2,6,6-tetramethylpiperidine-1-oxyl as a mediator

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Metadaten
Titel
Experimental research and DPD simulation on the interaction between an ethoxy-modified trisiloxane and F127
verfasst von
Jinyu Pang
Guiying Xu
Yebang Tan
Publikationsdatum
01.07.2012
Verlag
Springer-Verlag
Erschienen in
Colloid and Polymer Science / Ausgabe 10/2012
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-012-2615-0

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