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Ionic Liquid-Nanostructured Poly(Methyl Methacrylate)

Ionic Liquid-Nanostructured Poly(Methyl Methacrylate)

Clarice Fedosse Zornio, Sébastien Livi, Jannick Duchet-Rumeau, Jean-François Gerard

Nanomaterials (Basel). 2019 Sep 26;9(10):1376.

PMID: 31561407

Abstract:

Here, ionic liquids (ILs) based on imidazolium and ammonium cations were used as modifying agents for poly(methyl methacrylate) (PMMA) by extrusion. The effects of the chemical nature of the cation and/or counter anion on the resulting properties of IL-modified PMMA blends were analyzed. It was found that the use of low amounts of ILs (2 wt.%) improved the thermal stability. A plasticizing effect of ILs is evidenced by a decrease in glass transition temperature Tg of the modified PMMA, allowing to get large strains at break (i.e., up to 280% or 400%) compared to neat PMMA. The deformation and fracture mechanisms of PMMA under uniaxial tensile stress (i.e., crazing) reveal that the presence of IL delayed the strain during the initiation step of crazing.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP9011147	Poly(methyl methacrylate)		9011-14-7	Price

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