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Title
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Polymer micelles as building blocks for layer-by-layer assembly of multilayers under a high-gravity field
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Sub-Title |
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Subject |
Layer-by-layer, Multilayers, Polymer micelles, High-gravity fields
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Author |
Saleem Iqbal, Yajun Zhang , Yuting Liu, Raheel Akr
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Publish Year |
2016 |
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Diss#. |
https://doi.org/10.1016/j.cej.2016.02.096 |
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Pages |
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Text Language |
English |
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Accession |
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Library Section |
Research Article |
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Abstract |
Construction of layer-by-layer (LbL) self-assembled multilayers is fundamental to various research fields.
But most conventional processes for LbL are time consuming, which restricts its further applications.
There has been a general demand for shortening the construction time without affecting the multilayer
structures. High-gravity (HG) technique is a well-established chemical engineering process which can
strongly intensify mass and heat transfer. In this study, we introduced the HG technique into construction
of multilayers through LbL self-assembly concerned with polymer micelles as building blocks. By
using a model system of poly(diallyldimethyl ammonium chloride) (PDDA)/polystyrene-poly(acrylic
acid) (PS-PAA) polymer micelle multilayers, the LbL process was examined under both conventional dipping
conditions and a HG field. Ultraviolet–visible spectra and atomic force microscopy results showed
that the time for LbL under a HG field has been shortened 6 times compared with dippin
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