Research Article
Structural Foams of Biobased Isosorbide-Containing Copolycarbonate
Table 1
Comparison of properties of Bio-PC and a conventional bisphenol A based PC (for both types supplier data from Mitsubishi Chemical Company).
| | Bio-PC Durabio D 7340 R | Conv. PC Xantar 24 R |
| Tensile modulus (MPa) | 2700 | 2300 | Tensile strength (MPa) | 79 | 60 | Elongation at break (%) | 72 | >50 | Flexural modulus (MPa) | 2700 | 2400 | Flexural strength (MPa) | 116 | 90 | HDT @ 1,80 MPa (°C) | 106 | 130 | Light transmission (%) | 92 | 89 | Refractive index (-) | 1.50 | 1.58 | Density (g/cm3) | 1.37 | 1.20 | Biobased carbon content | 60% | 0% |
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