Efficient modification of nanosilica particles in preparation of anti-scratch transparent polyacrylic films through miniemulsion polymerization

Surface modification of silica nanoparticles was performed chemically by using glycidyl methacrylate and the conditions were optimized to reach to a reasonable efficiency. Nanocomposite particles containing the above modified nanosilica were prepared through miniemulsion polymerization in the presen...

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Bibliographic Details
Published in:Polymer bulletin (Berlin, Germany) Germany), 2017-05, Vol.74 (5), p.1879-1898
Main Authors: Sanei, Mahmood, Mahdavian, Ali Reza, Torabi, Saeid, Salehi-Mobarakeh, Hamid
Format: Article
Language:English
Subjects:
Aluminum
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Coefficient of friction
Complex Fluids and Microfluidics
Efficiency
Emulsion polymerization
Encapsulation
Fourier transforms
Friction
Latex
Methacrylic acid
Morphology
Nanocomposites
Nanoparticles
Organic Chemistry
Original Paper
Particle size
Physical Chemistry
Polymer Sciences
Polymerization
Polymers
Polymethyl methacrylate
Scanning electron microscopy
Silicon dioxide
Soft and Granular Matter
Surfactants
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Summary:Surface modification of silica nanoparticles was performed chemically by using glycidyl methacrylate and the conditions were optimized to reach to a reasonable efficiency. Nanocomposite particles containing the above modified nanosilica were prepared through miniemulsion polymerization in the presence of methyl methacrylate–butyl acrylate–methacrylic acid. Latex particle size and morphology were thoroughly investigated by DLS, SEM, AFM and TEM analyses. Results showed that the silica nanoparticles were well-dispersed in the polymer matrix to induce their properties remarkably. A quantitative EDX analysis was used for indirect assessment of the encapsulation efficiency and the encapsulation efficiency of silica nanoparticles was found 92 %. The obtained nanocomposite films were highly transparent according to the UV–Vis analysis and were able to transmit more than 80 % of visible light. Excellent scratch resistances of the nanocomposite films were obtained in the presence of silica nanoparticles due to the optimum dispersion and their friction coefficients were investigated.
ISSN:0170-0839
1436-2449
DOI:10.1007/s00289-016-1810-4