Facile fabrication of Janus magnetic microcapsules via double in situ miniemulsion polymerization

2013 ◽  
Vol 4 (5) ◽  
pp. 1459-1466 ◽  
Author(s):  
Jianan Zhang ◽  
Shuilai Qiu ◽  
Yulu Zhu ◽  
Zhengqi Huang ◽  
Beibei Yang ◽  
...  
2015 ◽  
Vol 6 (34) ◽  
pp. 6125-6128 ◽  
Author(s):  
Jianan Zhang ◽  
Zhengquan Lu ◽  
Mingyuan Wu ◽  
Qingyun Wu ◽  
Jianjun Yang

We report herein a facile and large fabrication of PAA hollow nanogels via an in situ Pickering miniemulsion polymerization method by using a hydrophobic solvent as the liquid core.


2012 ◽  
Vol 3 (10) ◽  
pp. 2720 ◽  
Author(s):  
Jianan Zhang ◽  
Qing Liu ◽  
Beibei Yang ◽  
Wenlong Yang ◽  
Bo Wu ◽  
...  

2012 ◽  
Vol 41 (9) ◽  
pp. 970-971 ◽  
Author(s):  
Jianan Zhang ◽  
Jizhi Lin ◽  
Bo Wu ◽  
Beibei Yang ◽  
Mingyuan Wu ◽  
...  

2014 ◽  
Vol 31 (4) ◽  
pp. 925-933 ◽  
Author(s):  
M. M. E. Colmán ◽  
D. L. Chicoma ◽  
R. Giudici ◽  
P. H. H. Araújo ◽  
C. Sayer

2010 ◽  
Vol 39 (3) ◽  
pp. 206-207 ◽  
Author(s):  
Jianan Zhang ◽  
Mingyuan Wu ◽  
Qingyun Wu ◽  
Jianjun Yang ◽  
Nannan Liu ◽  
...  

2019 ◽  
Vol 10 ◽  
pp. 522-530 ◽  
Author(s):  
Kartheek Katta ◽  
Dmitry Busko ◽  
Yuri Avlasevich ◽  
Katharina Landfester ◽  
Stanislav Baluschev ◽  
...  

We report the synthesis of high-performance organic–inorganic hybrid fluorescent nanocapsules comprising a polymer shell armored with an inorganic layer and a liquid core containing a fluorophore. The polymeric capsules are synthesized by free radical miniemulsion polymerization and contain covalently bound carboxylate surface functionalities that allow for the binding of metal ions through electrostatic interaction. A cerium(IV) oxide nanoparticle layer, formed in situ at the surface of the hybrid nanocapsules, acts as oxygen scavenger and keeps external reactive molecular oxygen from entering into the capsules, eventually resulting in a reduction of the photooxidation of encapsulated fluorescent molecules. This approach shows an increase in the fluorescence of the model organic fluorophore terrylene diimide by avoiding the ground-state molecular oxygen to react with electronically excited states of the fluorescent hydrocarbon molecule.


Langmuir ◽  
2009 ◽  
Vol 25 (1) ◽  
pp. 561-567 ◽  
Author(s):  
Pengpeng Liu ◽  
Xingbo Ge ◽  
Rongyue Wang ◽  
Houyi Ma ◽  
Yi Ding

2017 ◽  
Vol 8 ◽  
pp. 1328-1337 ◽  
Author(s):  
Bertha T Pérez-Martínez ◽  
Lorena Farías-Cepeda ◽  
Víctor M Ovando-Medina ◽  
José M Asua ◽  
Lucero Rosales-Marines ◽  
...  

Film forming, stable hybrid latexes made of methyl metacrylate (MMA), butyl acrylate (BA) and 2-hydroxyethyl methacrylate (HEMA) copolymer reinforced with modified multiwalled carbon nanotubes (MWCNTs) were synthesized by in situ miniemulsion polymerization. The MWCNTs were pretreated by an air sonication process and stabilized by polyvinylpyrrolidone. The presence of the MWCNTs had no significant effect on the polymerization kinetics, but strongly affected the polymer characteristics (T g and insoluble polymer fraction). The performance of the in situ composites was compared with that of the neat polymer dispersion as well as with those of the polymer/MWCNT physical blends. The in situ composites showed the presence of an additional phase likely due to the strong interaction between the polymer and MWNCTs (including grafting) that reduced the mobility of the polymer chains. As a result, a substantial increase of both the storage and the loss moduli was achieved. At 60 °C, which is above the main transition region of the polymer, the in situ composites maintained the reinforcement, whereas the blends behaved as a liquid-like material. This suggests the formation of a 3D network, in good agreement with the high content of insoluble polymer in the in situ composites.


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