Jiratti Tengsuthiwat.. Poly(Hydroxybutyrate-Co-Hydroxyvalerate) (PHBV) reinforced sisal fiber composites. Master's Degree(Materials and Production Engineering (International Program)). King Mongkut's University of Technology North Bangkok. Central Library. : King Mongkut's University of Technology North Bangkok, 2014.
Abstract:
Poly(Hydroxybutyrate-Co-Hydroxyvalerate) (PHBV) reinforced sisal fiber composites Poly(hydroxybutyrate-co-hydroxyvalerate) (PHBV) biocomposites containing of 5, 10, 20 and 30 wt. percent sisal fibers with the length of 0.25 mm and 5 mm, and addition of clay particles were prepared by hot compression technique. Hybridization of sisal fiber with silane treatment has been used to modify in order to enhance the properties of related composites. The mechanical properties such as tensile, impact, stiffness, strength and hardness determined in tensile, impact and hardness tests, respectively include water absorption. It was found that tensile strength, modulus and impact strength of long sisal fiber increased with increasing fiber content. Hardness resistance of short sisal fiber also improved with increasing fiber content. Treated silane of long fibers at 20 wt. percent loading was found to improve tensile strength fiber by 10 percent and 700 percent of impact strength as compared to the neat PHBV. This feature was confirmed by the appearance of a scanning electron microscopy. Moreover, the hardness and water resistance of the PHBV/sisal composites increased by the addition of clay particles. The diffusion coefficient for the PHBV and hybrid composites systems studied also calculated.
King Mongkut's University of Technology North Bangkok. Central Library