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. 2020 Feb 3;12(2):307. doi: 10.3390/polym12020307

Table 2.

Basic thermal properties of the prepared materials for the as-molded and annealed samples.

Sample Molded Annealed
ΔHcc (J/g) ΔHm (J/g) Xc (%) ΔHcc (J/g) ΔHm (J/g) Xc (%)
PLA-based blends
PLA 33.8 42.6 9.4 - 43.7 45.9
PLA/EBA20 32.6 33.3 0.9 - 35.2 46.4
PLA/EBA20+CE 31.6 32.1 0.7 - 33.7 44.9
POM-based blends
POM - 130.5 40.0 - 131.5 40.3
POM/EBA20 - 103.2 39.6 - 107.6 41.2
POM/EBA20+CE - 96.8 37.1 - 101.8 39.0
POM/PLA-based blends (PLA phase crystallinity)
POM50/PLA50 11.4 87.2 22.7 * - 101.6 76.5 *
PLA50/PLA50+CE 10.2 93 37.5 * - 91.5 55.0 *
PLA540/PLA40/EBA20 15.5 76.6 23.6 * - 76.6 64.2 *
PLA540/PLA40/EBA20+CE 13.6 73 19.1 * - 80.7 74.9 *

ΔHcc, cold crystallization enthalpy; ΔHm, melting enthalpy; Xc, crystallinity. * calculated PLA crystallinity, assuming constant crystallinity of the POM phase.