Synthesis and application of PLA and PLA/GO fibers through thermo-responsive transformation of PLA particles

Detta är en Master-uppsats från KTH/Skolan för kemivetenskap (CHE)

Författare: Sabah Bolakhrif; [2016]

Nyckelord: Polyester; Polylactide; Graphene oxide; Self-assembly; Fibers;

Sammanfattning: PLA nanofibers were successively produced by thermo-responsive transformation of PLA particles in water. The morphological structure of the nanofibers could be optimized by the heat treatment as well as the incorporation of GO to the fiber surface. PLA/GO fiber demonstrated a more stable morphology and GO provided good compatibility between PLA and starch. Both PLA and PLA/GO fibers incorporated in starch films resulted in increased thermal stability and mechanical properties. However, the most favorable properties were assigned starch films containing high concentration of PLA/GO fibers. These films with completely green components could possibly be utilized in biodegradable packaging applications.                                                                                                                            

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