NDLI: Surface modification of TiO$_{2}$ nanoparticles with 1,3,5-triazine based silane coupling agent and its cumulative effect on the properties of polyurethane composite coating

Content Provider	Springer Nature Link
Author	Arun, Malavika Kantheti, Sasidhar Gaddam, Rohit Ranganathan Narayan, Ramanuj Raju, K. V. S. N.
Copyright Year	2014
Abstract	The present work focuses on the development of functional polyurethane hybrids through the incorporation of surface modified TiO$_{2}$ nanoparticles. For improving the nano-particle dispersion and increasing possible interactions between nano-particles and polyurethane matrix, the surface of the nano-particles was modified with 1,3,5-triazine core silane coupling agent. The surface modification of nanoparticles was confirmed by FESEM, FT-IR and Raman spectroscopic techniques. The functionalized nanoparticles were then inscribed in 0, 1 and 2 weight percentages into polyurethane matrix. The as prepared composite coatings were investigated for various anti-microbial, thermo-mechanical and anticorrosive properties. The tensile strength of polyurethane was improved by 300 % upon addition of 2 wt% of modified TiO$_{2}$ nanoparticles as compared to neat polyurethane. Fog test and electrochemical polarization studies suggest that the corrosion resistance increases with increase of the modified TiO$_{2}$ content in the coating formulation. The composite coatings also have good resistance towards various bacterial and fungal stains as compared to the pure polyurethanes. The coatings substantially gain hydrophilic nature symbiotically with TiO$_{2}$ content suggesting its potential application as self-cleanable material.
Starting Page	1
Ending Page	11
Page Count	11
File Format	PDF
ISSN	10229760
Journal	Journal of Polymer Research
Volume Number	21
Issue Number	12
e-ISSN	15728935
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-11-16
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	TiO$_{2}$ nanoparticle Composite Polyurethane hybrid coating Hydrophilic materials Polymer Sciences Industrial Chemistry/Chemical Engineering Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Materials Chemistry Polymers and Plastics

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