NDLI: Immobilization of TiO2 nanoparticles on montmorillonite clay and its effect on the morphology of natural rubber nanocomposites

Content Provider	Springer Nature Link
Author	Valera Zaragoza, M. Yescas Yescas, A. Juarez Arella, E. A. Aguirre Cruz, A. Aparicio Saguilán, A. Ramírez Vargas, E. Sepúlveda Guzmán, S. Sánchez Valdes, S.
Copyright Year	2014
Abstract	Natural rubber/organoclay/titanium dioxide nanocomposites were obtained via mechanical blending using rubber latex, organically modified montmorillonite clay (cloisite 30B) and titanium dioxide (TiO2). Glycerol was utilized as a dispersant for the inorganic components. Scanning electron microscopy analysis shows that TiO2 nanoparticles were deposited on the clay surface and that the clay–TiO2 combination was homogeneously dispersed on the natural rubber. The high aspect ratio and the polar character of the clay layers allowed interactions with individual nanoparticles of TiO2. The X-ray diffraction patterns reveal an increment of the crystalline character of the NR/C30B/TiO2 nanocomposites as a consequence of the nanoscale dispersion of the TiO2 particles. Infrared Spectroscopy spectra indicate compatibility between natural rubber and glycerol due to the formation of hydrogen bonds. A mechanism in particle–natural rubber compatibility, in which glycerol is involved, is proposed. However, nanoscale dispersion was largely dependent on the clay–TiO2 interactions. This work proposes an easy method to immobilize TiO2 nanoparticles on clay layers, which allows their dispersion in polymers. Nanocomposites obtained by this method can be used for supports of photocatalyst molecules.
Starting Page	1295
Ending Page	1313
Page Count	19
File Format	PDF
ISSN	01700839
Journal	Polymer Bulletin
Volume Number	71
Issue Number	6
e-ISSN	14362449
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-03-11
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Natural rubber Clay Titanium dioxide Nanocomposites Morphology Polymer Sciences Soft and Granular Matter, Complex Fluids and Microfluidics Characterization and Evaluation of Materials Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Condensed Matter Physics Polymers and Plastics

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