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dc.contributor.authorW. Pivsa-Art
dc.contributor.authorS. Pavasupree
dc.contributor.authorN. O-Charoen
dc.contributor.authorU. Insuan
dc.contributor.authorP. Jailak
dc.contributor.authorS. Pivsa-Art
dc.description.abstractThe preparation of polymer blends of poly(lactic acid) (PLA), Poly(butylene-succinate-co-adipate)(PBSA) and poly)butylene adipate-co-terephthalate( (PBAT) were studied with the objectives to apply to blown film extrusion method. The blends were prepared using twin-screw extruder. The ratio of PLA and PBSA was fixed at 80/20 and the PBAT content was investigated with 0, 10, 20, 30, 40 and 50 wt%. The speed of screw was 80 rpm with the die temperatures of 220, 200, and 180 °C. It was found that the melt flow index )MFI( and tensile strength of blends decreased with increasing amount of PBAT, whereas the percentage strain showed contrastive results. The maximum tensile strength and impact strength were reached with the blend of equal amount 20 wt% of PBAT. Then, the correspondent condition was used in the blown film extrusion process. The morphology investigation using scanning electronic microscopy )SEM( of PLA/PBSA/PBAT blends showed an excellent compatibility between the three polymers.en_US
dc.publisherRajamangala University of Technology Thanyaburien_US
dc.subjectBlown film extrusionen_US
dc.subjectPoly(lactic acid) (PLA)en_US
dc.subjectPoly(butylene succinate-co-adipate) (PBSA)en_US
dc.titlePreparation of Polymer Blends between Poly (L-lactic acid), Poly(butylene succinate-co-adipate) and Poly(butylene adipate-co-terephthalate) for Blow Film Industrial Applicationen_US
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