Poly(butylene succinate-co-adipate) (PBSA)/layered silicate nano- composites were prepared by melt mixing of PBSA and three different types of commercially available organically modified montmorillonite ( O M M T ) . Using three types of O M M T , was investigated the effect of organic by focusing on two modification major in nanocomposites patterns revealed aspects: morphological study and property measurements. X-ray diffraction ( X R D ) that increasing the level of interactions (miscibility) between the organic modifier and P B S A matrix increases the tendency of the silicate layers to delaminate and distributed nicely within the PBSA matrix. Transmission electron micrographic ( T E M ) observations showed that the dispersion of silicate layers in P B S A matrix is well matched with the X R D patterns. Dynamic mechanical analysis and tensile property measurements revealed concurrent improvement in mechanical properties when compared to the neat PBSA and the extent of improvement is directly related to the extent of delamination of silicate layers in the PBSA matrix. Key Words: poly(butylene succinate-co-adipate); nanocomposites; properties * T o whom correspondence should be addressed. E-mail: email@example.com 1 INTRODUCTION Poly(butylene succinate-co-adipate) (PBSA) is an environmental benign biodegradable polymer.
Journal of Polymer Engineering – de Gruyter
Published: Dec 1, 2006
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