The DSC study of PLA and natural rubber blends by Jaratrotkamjorn
et al. [21] also observed similar thermal behavior of the
blends and little change in Tg. The value of Tg in their report was
about 58 ± 2 C, which is approximately 5 C lower than ours. The
glass transition temperature compares well with Tg = 61.8 C as reported
by Cao