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231224s2013 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1021/la304806d
|2 doi
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|a pubmed24n0746.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Ji, Xiang
|e verfasserin
|4 aut
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|a Synthesis of anisotropic polymer/inorganic particles via asymmetric swelling-dissolving process
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 08.07.2013
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|a Date Revised 29.01.2013
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a In this work, an asymmetric swelling-dissolving process of original submicrometer-sized decentered sulfonated polystyrene/silica (SPS/silica) particles in a ternary mixed solvent (water/ethanol/heptane) was first reported. Actinia-like and porous snowman-like SPS/silica composite particles are fabricated through tuning the composition of the ternary mixed solvent. Actinia-like particles, with a silica core embedded in a "blooming" SPS matrix, are obtained when the composition of the mixed solvent is 5 g/5 g/0.1 g (water/ethanol/heptane). If the amount of heptane in the mixed solvent is doubled, then porous snowman-like particles are produced. The TEM and SEM images show that silica particles are exposed in these two anisotropic SPS/silica composite particles compared with the original decentered SPS/silica particles. Considering the particles morphology and the swelling and dissolving performance of SPS in different solvents, the formation of the new-shaped anisotropic SPS/silica composite particles should be attributed to an asymmetric swelling-dissolving process; that is, the swelling-dissolving rate of SPS coating around the protruding silica part is faster than the other part of the composite particles. The anisotropic swelling-dissolving property of polymer/inorganic composite particles inspires a facile way to the fabrication of new composite particles
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|a Journal Article
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| 700 |
1 |
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|a Wang, Mozhen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ge, Xuewu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Huarong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 29(2013), 4 vom: 29. Jan., Seite 1010-6
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:29
|g year:2013
|g number:4
|g day:29
|g month:01
|g pages:1010-6
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| 856 |
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|u http://dx.doi.org/10.1021/la304806d
|3 Volltext
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