Interaction energy between a single PEI chain and CO2–EtOH co-blowing agent obtained from MD simulations.
Compositions | E PCE (kJ mol−1) | E PEI (kJ mol−1) | E CE (kJ mol−1) | E inter (kJ mol−1) |
---|---|---|---|---|
PEI/CO2 | 7753.67 | 787.61 | 6420.47 | 545.59 |
PEI/CO2–15% EtOH | 7188.69 | 780.04 | 6244.68 | 163.97 |
PEI/CO2–30% EtOH | 12 101.28 | 6998.86 | 5667.01 | −564.58 |
PEI/CO2–45% EtOH | 4302.21 | 842.68 | 4678.33 | −1218.80 |
PEI/CO2–60% EtOH | 2327.62 | 587.90 | 3042.50 | −1302.78 |