CHITOSAN/POLY(AMIDE-IMIDE) BLEND FILMS: STUDIES ON THERMAL AND MECHANICAL STABILITY, MORPHOLOGY AND BIODEGRADABILITY

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GHASEMI MAHDIYEH; KOWSARI ELAHEH; Amoozadeh Ali

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Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2017 | Volume:36 | Issue:2 Page(s): 55-70

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Information Journal Paper

Title

CHITOSAN/POLY(AMIDE-IMIDE) BLEND FILMS: STUDIES ON THERMAL AND MECHANICAL STABILITY, MORPHOLOGY AND BIODEGRADABILITY

Author(s)

GHASEMI MAHDIYEH | KOWSARI ELAHEH | Amoozadeh Ali | Issue Writer Certificate

Keywords

BIODEGRADABLE

CHITOSAN

POLY (AMIDE-IMIDE)

POLYMER BLEND

Abstract

A diacid monomer was synthesized by the condensation of L-tryptophan amino acid and pyromellitic dianhydride (PMDA). The diacid was utilized for the synthesis of three types of poly (amide-imide) s (PAIs) using three different kinds of diamines. The synthesized monomer and PAIs were characterized using FT-IR, 1H-NMR and 13C-NMR spectroscopies and the PAIs were also used for the fabrication of CHITOSAN (CS) /PAI blend films. XRD patterns of the PAIs, CS and CS/PAI blend films were also studied. Thermal stability of PAIs, CS and CS/PAI samples were studied using thermogravimetric analysis (TGA). The blend samples showed a higher thermal stability compared to the CS film, especially at higher temperatures. Morphology of the CS and blend CS/PAI films was studied before and after the biodegradation by SEM. The mechanical stability studies showed that blend CS/PAI films had a proper mechanical strength and their young’s modulus increased compared to the pristine CHITOSAN. The in vitro fungal colonization of diacid monomer, PAIs, pure CS and blend CS/PAI samples were performed using Aspergillus niger fungi. After biodegradation, the pure CS showed the highest weight loss of 21.2 wt % among the samples. The blend CS/PAI samples also showed higher weight losses compared to the pure PAIs.

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APA: Copy

GHASEMI, MAHDIYEH, KOWSARI, ELAHEH, & Amoozadeh, Ali. (2017). CHITOSAN/POLY(AMIDE-IMIDE) BLEND FILMS: STUDIES ON THERMAL AND MECHANICAL STABILITY, MORPHOLOGY AND BIODEGRADABILITY. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 36(2), 55-70. SID. https://sid.ir/paper/700305/en

Vancouver: Copy

GHASEMI MAHDIYEH, KOWSARI ELAHEH, Amoozadeh Ali. CHITOSAN/POLY(AMIDE-IMIDE) BLEND FILMS: STUDIES ON THERMAL AND MECHANICAL STABILITY, MORPHOLOGY AND BIODEGRADABILITY. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2017;36(2):55-70. Available from: https://sid.ir/paper/700305/en

IEEE: Copy

MAHDIYEH GHASEMI, ELAHEH KOWSARI, and Ali Amoozadeh, “CHITOSAN/POLY(AMIDE-IMIDE) BLEND FILMS: STUDIES ON THERMAL AND MECHANICAL STABILITY, MORPHOLOGY AND BIODEGRADABILITY,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 36, no. 2, pp. 55–70, 2017, [Online]. Available: https://sid.ir/paper/700305/en

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