Abstract
Ionic liquids (IL) are known to act as plasticizer. This work is first report to best of our knowledge, of an amphiphilic ionic liquids (IL), 1-hexadecyl-3-methylimidazolium bromide [C16mim][Br] acting not only as a plasticizer but also as a nucleating agent during crystallization of poly (vinylidene fluoride). With FTIR-ATR, XRD, DSC, and SEM, It is observed that plasticizing and nucleating role of mentioned IL is due to its self-assembling property in fluoropolymer matrix. At 1% loading of [C16mim][Br] in PVDF matrix, it speeds up the crystallization of PVDF accompanied by formation of finger like structure, while at (10%) loading, the formation of micellar structure promote plasticization and PVDF crystallizes at low temperature. Fortunately, in both cases polarized (β/γ) crystal formation is favored.
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