Preparation and Characterization of Polyhydroxybutyrate/Polycaprolactone Nanocomposites

In the last decades, the production and the use of plastics which are synthetically derived from petroleum with not readily biodegradable have been gradually increased

Cha Ping Liau

2014

Scholarcy highlights

  • In the last decades, the production and the use of plastics which are synthetically derived from petroleum with not readily biodegradable have been gradually increased
  • Modification of stearate Mg-Al layered double hydroxide was successfully prepared by coprecipitation and ion exchange reaction
  • The presence of 1 wt% of stearate Mg-Al LDH content shows that higher interlayer spacing and intercalated nanocomposites were produced by addition of high filler content
  • There is no major peak shifting and no formation of new peak in Fourier Transform Infrared spectrum indicated no strong interaction among PHB, PCL, and stearate Mg-Al LDH
  • Mechanical analyses showed that an 80PHB/20PCL/1stearate Mg-Al LDH nanocomposite was drastically enhanced by about 66% and 300% for its tensile strength and elongation at break
  • These improvements have been exhibited by Scanning electron microscopy where the incorporation of stearate Mg-Al LDH clay gradually increases the flexibility and compatibility of nanocomposites

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