Effect of Filler Morphology on Modulus and Creep Resistance of PBAT
The needle shaped cellulose(CP),flake like talc powder(Talc)and spherical silica(SiO2)were modified using γ-(2,3-epoxypropanoxy)propyltrimethoxysilane(KH-560)and then blended with degradable polymer poly(butylene adipate-co-terephthalate)(PBAT)to investigate the effect of filler morphology on the modulus and creep resistance of PBAT composite materials.The results show that the addition of three types of fillers significantly increases the tensile modulus and bending modulus of PBAT.CP has the largest reinforcement amplitude on PBAT composite materials,followed by Talc,and SiO2 has the smallest.CP has the greatest improvement in the creep resistance of PBAT,followed by Talc,and SiO2 has the worst effect.
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