Preparation and Properties of Nanocomposites Based on Poly(Lactic Acid) and Modified TiO2

Achanai Buasri; Nattawut Chaiyut; Chanon Kritsanakun; Chettha Phatkun; Tiwiwan Khunsri

doi:10.4028/www.scientific.net/AMR.463-464.519

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 463-464Preparation and Properties of Nanocomposites Based...

Preparation and Properties of Nanocomposites Based on Poly(Lactic Acid) and Modified TiO₂

Abstract:

In this study, poly (lactic acid) (PLA)-TiO₂ nano particle nano composites were prepared and the severe aggregation of TiO₂ nano particles in polymer matrixwere reduced by themodification of TiO₂ surface with propionic acid and n-hexylamine. The resulting products were characterized by FT-IR, DSCand SEMtechniques so as to have a better understanding of bondingbetween the polymer and nano particles. All of nano composites with a wide range of TiO₂ additionexhibit the high transparency. SEM micrographs of the nano composites showed of the TiO₂ nano particles were uniformly dispersed in polymer matrices. Photodegradation of PLA-TiO₂ nano particle nano composites were also investigated. The results indicated that nano composites could be efficiently photodegraded by UV irradiation in comparison with pure PLA.

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Advanced Materials Research (Volumes 463-464)

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519-522

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.463-464.519

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Online since:

February 2012

Authors:

Achanai Buasri, Nattawut Chaiyut, Chanon Kritsanakun, Chettha Phatkun, Tiwiwan Khunsri

Keywords:

Modified TiO₂, Nanocomposite, Nanoparticle, Poly(lactic acid) (PLA)

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