Influence of organoclay and nitroxylether on the rheological, thermal and flame-retardant properties of co-continuous PP/EVA blends. (3rd July 2022)

• Record Type: Journal Article
• Authors: Kashani, Niloofar Sadat Saboohi; Gharavani, Farnaz; Jaberi, Navid; Tayouri, Mohammad Iman; Maleki, Farid; Khonakdar, Hossein Ali; Otadi, Maryam
• Is Part Of: Plastics, rubber, and composites. Volume 51:Number 6(2022)
• Page Start: 306
• Page End: 315
• Publication Date: 2022-07-03
• Subjects: Polypropylene -- poly ethylene vinyl acetate -- polymer blend -- organically modified montmorillonite -- nitroxylether; Plastics -- Periodicals; Rubber -- Periodicals; Polymeric composites -- Periodicals; Polymer engineering -- Periodicals; 668.9
• DOI: 10.1080/14658011.2021.1986660
• Languages: English
• ISSNs: 1465-8011

Abstract

ABSTRACT: Effect of concurrent inclusion of two type fillers, i.e. OMMT and NOR, on rheological, morphological, thermal and flame retardant properties of the PP/PEVA blends has been studied. The co-continuous morphology became finer with OMMT, NOR and OMMT/NOR inclusion. The result of rheological study revealed that the polymer blend and the NOR loaded composite possess liquid-like, whereas the OMMT composites represent solid-like behavior. Moreover, in OMMT loaded composite, a G' and G" crossover in low frequency range appeared due to formation of network-like structure between OMMT layers. Thermogravimetric analysis corroborated the concurrent inclusion of OMMT and NOR in nitrogen atmosphere decreases To by 2%, increases the T max1 by 0.9% and increases T max2 by 2% comparing the blended composition. The results of microscale combustion calorimetry showed that concurrent incorporation of OMMT and NOR decreases the peak heat release rate and total heat release by 32% and 4% comparing the polymer blend, respectively.