Flammability and thermal properties of novel semi aromatic polyamide/organoclay nanocomposite

Shabanian, Meisam, Mirzakhanian, Zeinab, Basaki, Nemat, Khonakdar, Hossein Ali, Faghihi, Khalil, Hoshyargar, Faegheh, & Wagenknecht, Udo (2014) Flammability and thermal properties of novel semi aromatic polyamide/organoclay nanocomposite. Thermochimica Acta, 585, pp. 63-70.

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Abstract

The development of semi aromatic polyamide/organoclays nanocomposites (PANC) is reported in this communication. New polyamide (PA) was successfully synthesized through direct polycondensation reaction between bio-based diacid and aromatic diamine. PA exhibited strong UV vis absorption band at 412 nm. Its photoluminescence spectrum showed maximum band at 511 nm in the green region. The surface modification of montmorillonite was carried out through ion-exchange reaction using 1,4-bis[4-aminophenoxy]butane (APB) as a modifier. Then PANCs containing 3 and 6 wt.% of the modified montmorillonite (MMT-APB) were prepared. Flammability and thermal properties of PA and the nanocomposites were studied by microscale combustion calorimeter (MCC), thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). TGA results in both air and nitrogen atmospheres indicated improving in thermal properties of PANCs compared to the neat PA. According to MCC analysis, a 31.6% reduction in pHRR value has been achieved by introducing 6 wt.% of the organoclay in PA matrix.

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ID Code: 79412
Item Type: Journal Article
Refereed: Yes
Keywords: Nanocomposite, Polyamide, Thermal stability, Flammability, Organoclay
DOI: 10.1016/j.tca.2014.03.045
ISSN: 0040-6031
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 Elsevier B.V.
Deposited On: 11 Dec 2014 22:39
Last Modified: 14 Dec 2014 21:28

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