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Information Journal Paper

Title

Starch-Polyvinyl alcohol-Clay and Carboxymethyl Cellulose-Polyvinyl alcohol-Clay bioanocomposites-Investigation of Optical and Thermal Properties

Pages

  115-124

Abstract

starch and cellulose are naturally abundant biodegradable polymers. starch has disadvantages such as weak barrier properties against water and poor thermal properties. polyvinyl alcohol (PVA) is anticipated to be a good candidate for incorporation into these natural polymers. Also PVA shows high resistance to solvents and good barrier properties to oxygen. Because of their weak barrier properties of starch or carboxymethyl cellulose and PVA polymeric blend other approach is needed. Making nanocomposites by adding nanoclay to improve barrier properties of these films is a new way. In this research, nanocomposites of carboxymethyl cellulose/polyvinyl alcohol/clay and starch/polyvinyl alcohol/clay at three different weight percentage of PVA (15, 30, and 45) and two nanoclay level (5 and 10) were prepared and their films were made after drying. optical and thermal properties of the nanocomposites were investigated using UV-Vis spectrophotometry, thermogravimetry analysis (TGA/DTG). The energy gap of the samples was calculated using the graph (α hν )2 against hν and tauc equation. The results showed that addition of PVA and nanoclay increased the thermal resistance of nanocomposite. The energy gap of the nanocomposites films is obtained less than the 5 eV, indicating that these nanocomposites has the potential to use in electronic components such as diodes.

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    APA: Copy

    Taleb, Atiyeh, KHALEGHI, MAHROO, & DIDEHBAN, KHADIJEH. (2019). Starch-Polyvinyl alcohol-Clay and Carboxymethyl Cellulose-Polyvinyl alcohol-Clay bioanocomposites-Investigation of Optical and Thermal Properties. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 13(1 ), 115-124. SID. https://sid.ir/paper/180132/en

    Vancouver: Copy

    Taleb Atiyeh, KHALEGHI MAHROO, DIDEHBAN KHADIJEH. Starch-Polyvinyl alcohol-Clay and Carboxymethyl Cellulose-Polyvinyl alcohol-Clay bioanocomposites-Investigation of Optical and Thermal Properties. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2019;13(1 ):115-124. Available from: https://sid.ir/paper/180132/en

    IEEE: Copy

    Atiyeh Taleb, MAHROO KHALEGHI, and KHADIJEH DIDEHBAN, “Starch-Polyvinyl alcohol-Clay and Carboxymethyl Cellulose-Polyvinyl alcohol-Clay bioanocomposites-Investigation of Optical and Thermal Properties,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 13, no. 1 , pp. 115–124, 2019, [Online]. Available: https://sid.ir/paper/180132/en

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