European Journal of Biomedical and Pharmaceutical Sciences

STUDY OF PAINT APPLICABILITY AND BIODEGRADATION OF MICA BASED STARCH-G-PEHA/MICA BIONANOCOMPOSITE

Bipranarayan Mallick* and Prafulla K Sahoo

ABSTRACT

2-Ethyl hexyl acrylate (EHA) was grafted onto starch with mica as additive to synthesize starch-g-Poly (2-ethylhexylacrylate)/mica bionanocomposites by emulsion polymerization using ammonium persulfate (APS) as initiator. The bionanocomposite was studied for greater biodegradability and water resistant property with varied range of mica content to be used in paint industry. The bionanocomposites were characterized by FTIR and TGA for grafting pattern, thermal behavior and morphological arrangement. The intercalated structure of (starch-g-PEHA)/mica due to dispersion of nano scale mica into galleries of starch-g-PEHA biocopolymer were characterized by XRD study and TEM micrography. The coating, antifungal activity and ageing properties were studied drawing thin films with the bionanocomposites and biodegradability with water resistant properties were compared to establish its novelty over the previously reported (starch-g-PEHA)/SS and (starch-g-PEHA)/MMT bionanocomposites.

Keywords: Bionanocomposite, ageing property, coating, swelling, biodegradation.