Research Article

Recycled Polypropylene Improved with Thermoplastic Elastomers

Table 9

VST and HDT properties for the unmodified RPP and RPP blends.

Code sampleVST [°C]HDT [°C]

RPP162.0 ± 1.087.0 ± 6.5
RPP/SEBS162.3 ± 2.373.0 ± 2.0
RPP/SIS30160.0 ± 4.364.6 ± 3.5
RPP/SIS20157.6 ± 2.567.5 ± 0.7