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Erschienen in: Journal of Polymer Research 9/2022

01.09.2022 | Original Paper

Preparation and characterization of biobased hybrid nanocomposite of Polyvinyl chloride/thermoplastic starch with Mg–Al layered double hydroxide and waste rice husk ash

verfasst von: Nipu Dutta, Pradip Newar, Manaj Narzary, Tarun Kumar Maji

Erschienen in: Journal of Polymer Research | Ausgabe 9/2022

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Abstract

 In this study, a bio-based hybrid nanocomposite was prepared with Polyvinyl chloride (PVC) as a synthetic matrix, thermoplastic starch as biometrics, and industrial waste rice husk ash (RHA) as nanofiller in the ratio of 2:1:1. The composites were prepared in a green method of melt mixing in presence of bio-based additives such as epoxidized soybean oil (ESO) performing a dual role as compatibilizer and plasticizer along with tannic acid—calcium oxide (TA-CaO) adduct as a heat stabilizer. Layered double hydroxide (LDH) was prepared from Mg (NO3)2·6H2O and Al (NO3)3·9H2O and further successfully modified with cetyltrimethyl ammonium bromide (CTAB). The addition of organically modified layered double hydroxide (OLDH) as nanomaterial enhanced the composite’s thermal, mechanical and chemical properties along with water vapour and flame resistance properties. A significant improvement of 169% in tensile and 87% in flexural strength was observed for composites having 5 phr OLDH. Homogeneous dispersion of the LDH layers was evident from the TEM micrographs which suggested a better interaction among components. Composite with 5phr reinforced OLDH showed an overall improvement in properties.

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Metadaten
Titel
Preparation and characterization of biobased hybrid nanocomposite of Polyvinyl chloride/thermoplastic starch with Mg–Al layered double hydroxide and waste rice husk ash
verfasst von
Nipu Dutta
Pradip Newar
Manaj Narzary
Tarun Kumar Maji
Publikationsdatum
01.09.2022
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 9/2022
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-022-03226-9

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