Table 5 Values of the Tc, Tm, the (ΔHexp), and C % for pure TPU, untreated SPF/TPU, and treated SPF/TPU composites with different NaOH concentrations.

From: Effect of alkaline treatment on the thermal and mechanical properties of sugar palm fibre reinforced thermoplastic polyurethane composites

Composites

Tc (°C)

Tm (°C)

Energy of

fusion (J/g)

Crystallinity

(C) %

TPU

197.27

208.64

39.8027

20.224

0% NaOH SPF/TPU

198.54

204.61

33.441

16.992

2% NaOH SPF/TPU

182.47

203.32

32.668

16.599

4% NaOH SPF/TPU

190.00

200.85

30.560

15.528

6% NaOH SPF/TPU

192.09

207.39

37.577

19.094

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