EFFECT OF POLYAMIDE 6 ON CRYSTALLINE STRUCTURE OF POLYMER IN PVDF-NANOCLAY NANOCOMPOSITE

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YOUSEFI ALI AKBAR; SALARIAN MOHAMMAD MAHDI

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Journal: Iranian Journal of Polymer Science and Technology Year:2012 | Volume:25 | Issue:1 (ISSUE NO. 117) Page(s): 42-51

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Title

EFFECT OF POLYAMIDE 6 ON CRYSTALLINE STRUCTURE OF POLYMER IN PVDF-NANOCLAY NANOCOMPOSITE

Author(s)

YOUSEFI ALI AKBAR | SALARIAN MOHAMMAD MAHDI | Issue Writer Certificate

Keywords

POLY (VINYLIDENE FLUORIDE)Q2

NANOCLAYQ2

PA6Q2

BETA CRYSTALQ2

RHEOMETRYQ2

Abstract

The effect of nanocaly on crystalline structure of poly (vinylidene fluoride), PVDF, and the morphology of the resulting nano-composite were investigated using different characterization techniques. The presence of 3wt% Cloisite 30B in PVDF matrix results in 11 fold increase in the percentage of BETA CRYSTALline content of the polymer. This was found to be attributed to the epitaxial effect of the clay surface. The BETA CRYSTALline content of the pure polymer (6%) was raised to 68% in the composite. Addition of 5wt% polyamide 6 (PA6) improved dispersion of NANOCLAY which led to augmentation of the viscosity and displacement of the crossover frequency of the compatibilized composite towards lower frequencies. However, due to stronger affinity of the PA6 towards organically modified clay the epitaxial effect of the clay on crystalline structure of PVDF was totally eliminated. The reduction of viscosity in incompatibilized nanocomposite was attributed to reduced number of PVDF chain entanglements in the presence of NANOCLAY. Meanwhile, increase in viscosity and displacement of crossover frequency towards lower frequencies were attributed to formation of clay-PA nanoparticles and PVDF-polyamide 6 interactions. It is expected that the presence of polyamide 6 promotes the formation of oriented-beta crystals in PVDF, which in turn improves the piezoelectric properties of the polymer.

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APA: Copy

YOUSEFI, ALI AKBAR, & SALARIAN, MOHAMMAD MAHDI. (2012). EFFECT OF POLYAMIDE 6 ON CRYSTALLINE STRUCTURE OF POLYMER IN PVDF-NANOCLAY NANOCOMPOSITE. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 25(1 (ISSUE NO. 117)), 42-51. SID. https://sid.ir/paper/6446/en

Vancouver: Copy

YOUSEFI ALI AKBAR, SALARIAN MOHAMMAD MAHDI. EFFECT OF POLYAMIDE 6 ON CRYSTALLINE STRUCTURE OF POLYMER IN PVDF-NANOCLAY NANOCOMPOSITE. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2012;25(1 (ISSUE NO. 117)):42-51. Available from: https://sid.ir/paper/6446/en

IEEE: Copy

ALI AKBAR YOUSEFI, and MOHAMMAD MAHDI SALARIAN, “EFFECT OF POLYAMIDE 6 ON CRYSTALLINE STRUCTURE OF POLYMER IN PVDF-NANOCLAY NANOCOMPOSITE,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 25, no. 1 (ISSUE NO. 117), pp. 42–51, 2012, [Online]. Available: https://sid.ir/paper/6446/en

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