Abstract
AbstractNanostructured glassy‐crystalline blends were obtained by reactive blending of poly(methyl methacrylate) (PMMA), or of poly(methyl methacrylate)‐b‐poly‐(n‐butyl acrylate)‐b‐poly(methyl methacrylate) (MBM) triblock copolymer, with polyamide‐6 (PA). The PMMA chain, or block, contains a low fraction of glutaric anhydride units which are strongly reactive toward the terminal amino group of PA. Under the blending conditions the grafting reaction is very efficient leading to a high fraction of graft copolymer. When the PA is short, Mn = 2500, nanostructured blends are obtained with both PMMA and MBM while for longer PA, Mn = 15000, nanostructures form only with the triblock MBM copolymer. The intrinsic property of MBM to self‐organize in lamellar‐like morphology seems to favour the nanostructure formation in the final blend. The resulting materials exhibit unique properties such as transparency, creep resistance and solvent resistance.
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