Orientation of crystalline lamellae in the vicinity of interface of immiscible polyethylene/poly(methyl methacrylate) blends containing polyethylene-block-poly (methyl methacrylate)

  • Kobori Y
  • Yasumitsu R
  • Akiyama S
 et al. 
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Abstract

Morphologies in the vicinity of interfaces of immiscible linear-low -density polyethylene/poly(methyl methacrylate) (LLDPE/PMMA) = 80/20 (w/w) blends containing polyethylene-block-poly(methyl methacrylate) (PE-b-PMMA) were investigated by transmission electron microscopy (TEM). It was found that crystalline lamellae of polyethylene was oriented vertically to the interface between LLDPE and PMMA phases in LLDPE/PMMA blends containing PE-b-PMMA. In addition, length of lamellae oriented vertically to the interface became longer with increasing content of PE-b-PMMA in the blends. © 2002 Published by Elsevier Science Ltd.

Author-supplied keywords

  • Compatibilizer
  • Polymer blend
  • Transmission electron microscopy

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