THERMAL AND MECHANICAL-PROPERTIES OF POLY(LACTIC ACID) AND POLY(ETHYLENE BUTYLENE SUCCINATE) BLENDS/

Citation
X. Liu et al., THERMAL AND MECHANICAL-PROPERTIES OF POLY(LACTIC ACID) AND POLY(ETHYLENE BUTYLENE SUCCINATE) BLENDS/, Journal of environmental polymer degradation, 5(4), 1997, pp. 225-235
Citations number
8
ISSN journal
10647546
Volume
5
Issue
4
Year of publication
1997
Pages
225 - 235
Database
ISI
SICI code
1064-7546(1997)5:4<225:TAMOPA>2.0.ZU;2-I
Abstract
In this study, blends of poly(lactic acid) (PLA) with poly(ethylene/bu tylene succinate) (Bionolle) have been investigated for their thermal and mechanical properties as a function of the concentration of Bionol le. Differential scanning calorimetry (DSC), dynamic mechanical analys is (DMA), and tensile tests were used to characterize the blends. From the results of the DMA and DSC, it was found that this blend system w as not miscible within the compositions studied. DSC results showed th at adding Bionolle aids in crystallization of PLA. It was observed tha t increasing the Bionolle concentration led to a slight increase in th e strain-at-break of the blends but a decrease in the Young's modulus and ultimate tensile strength. Biaxially oriented films showed an incr ease in tensile strength, modulus, and strain-at-break.