Janus Nanosheets of Polymer–Inorganic Layered Composites

Janus nanosheets of polymer–inorganic layered composites are fabricated by crushing the corresponding Janus composite hollow spheres, which are synthesized by materialization of an amphiphilic emulsion interface with self-organized sol–gel process and subsequent polymer grafting onto the lipophilic...

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Bibliographic Details
Published in:Macromolecules 2012-02, Vol.45 (3), p.1460-1467
Main Authors: Chen, Ying, Liang, Fuxin, Yang, Haili, Zhang, Chengliang, Wang, Qian, Qu, Xiaozhong, Li, Jiaoli, Cai, Yuanli, Qiu, Dong, Yang, Zhenzhong
Format: Article
Language:English
Subjects:
Applied sciences
Chemistry
Colloidal state and disperse state
Composites
Emulsions. Microemulsions. Foams
Exact sciences and technology
Forms of application and semi-finished materials
General and physical chemistry
Polymer industry, paints, wood
Technology of polymers
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Summary:Janus nanosheets of polymer–inorganic layered composites are fabricated by crushing the corresponding Janus composite hollow spheres, which are synthesized by materialization of an amphiphilic emulsion interface with self-organized sol–gel process and subsequent polymer grafting onto the lipophilic side. The Janus composite nanosheets serve as solid surfactants to stabilize emulsion droplets, which are tolerant against solvents. Janus balance of the composite nanosheets is tunable crossing from more lipophilic to hydrophilic by alteration of polymer content. Thereafter, continuous phase of the emulsions can be inverted.
ISSN:0024-9297
1520-5835
DOI:10.1021/ma2021908