The PE melting enthalpies show a clear trend, as seen in Figure 4 b, starting with a very low PE melting enthalpy of 0.03 J/g for vPP, rising with the recyclate content, and ending with the high melting enthalpies of the recyclates from 1.76 J/g (rPP-B), 2.19 J/g (rPP-C), up to 2.23 J/g (rPP-A).
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Polypropylene Post-Consumer Recyclate Compounds for Thermoforming Packaging Applications.
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