Abstract

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INFLUENCE OF TEMPERATURE ON CRYSTALLINE STRUCTURE OF POLYVINYLIDENE FLUORIDE

Ibtisam Yahya Abdullah, Muhammad Yahaya, Mohd Hafizuddin Haji Jumali, Haider Mohammed Shanshool


This study report the effect of temperature on the crystalline phases of PVDF from N,N- dimethylaformamide ( DMF) solution. PVDF thin films were prepared via a spin coating of a PVDF/DMF solution. The films were annealed at 60°C, 90°C, 110°C and 140°C for 5 hours addition to the room temperature 30°C. The morphology of the PVDF thin films which investigated by using SEM spectroscopy. It appeared that the surface rough and micro-pore and spherulitic structure. The size of micro-pore reduced with increasing the annealing temperature. The crystalline structures of PVDF thin films were investigated by using the XRD and FTIR techniques which seemed the change in the crystalline phase with a variation annealing temperatures