Compatibilization of Immiscible Poly(l-lactide) and Low Density Polyethylene Blends

  • Kim Young Fil (Department of Applied Chemical Engineering, Chonnam National University) ;
  • Choi Chang Nam (Department of Applied Chemical Engineering, Chonnam National University) ;
  • Kim Young Dae (Department of Applied Chemical Engineering, Chonnam National University) ;
  • Lee Ki Young (Department of Applied Chemical Engineering, Chonnam National University) ;
  • Lee Moo Sung (Department of Applied Chemical Engineering, Chonnam National University)
  • Published : 2004.12.01

Abstract

Blends of poly(l-lactide) (PLA) and low density polyethylene (LDPE) were prepared by melt mixing in order to improve the brittleness of PLA. A reactive compatibilizer with glycidyl methacrylate (GMA), PE-GMA, was required as a compatibilizer due to the immiscibility between PLA and LDPE. It contributes to reduce the domain size of dispersed phase and enhance the tensile properties of PLA/LDPE blends, especially for PLA matrix blends. A reaction product between PLA and PE-GMA, which was formed during melt-mixing and considered to act as a reactive compatibilizer, was characterized using $ ^1H-NMR$ spectroscopy.

Keywords

References

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