Research Article
Bitumen-Biopolymer Materials Modified with Polylactic Acid with Improved Physical and Chemical Properties
Table 2
Quality parameters of polylactic acid.
| Parameter | Measurement unit | Value |
| Impact strength | kJ (m)2 | 12.9 | Tensile strength | MPa | 94.4 | Relative elongation | % | 34 | Flexural strength | MPa | 102.5 | Melt flow Index | g/10 min | 3 | Melting temperature | °C | 177 | Molecular weight | g (mol) | 90,000 | Molecular weight distribution | g (mol) | 80,000–100,000 |
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