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Table 2 Thermal properties and shape memory of nanocomposites and pristine polymer

From: Vegetable Oil-Based Hyperbranched Thermosetting Polyurethane/Clay Nanocomposites

Sample codes Glass transition temperature (Tg °C) Melting temperature (Tm °C) Melting enthalpy (∆Hm J/g) Shape retention (%) Shape recovery (%)
HBPU −41 50 58.3 84.20 97
HBPU1 −32 53 55.8 83.8 98.3
HBPU2.5 −34 54 54.4 82.5 98.9
HBPU5 −35 56 53.7 82.0 99.1