Table 2 Gas transport parameters for CER films under investigation
From: Nanoporous Cyanate Ester Resins: Structure-Gas Transport Property Relationships
Sample code | P He (barrer) | P O2 (barrer) | D O2 10−8 (cm2 s−1) | S O2 10−2 (cm3 STP cm−3 cmHg −1) | P CO2 (barrer) | D CO2 10−8, (cm2 s−1) | S CO2 10−2, (cm3 STP cm−3 cmHg −1) | C CO2 (cm3 STP cm−3) | α He/O2 | α He/CO2 |
|---|---|---|---|---|---|---|---|---|---|---|
CER/DBP (70/30) | 4.49 | 0.61 | 4.55 | 0.13 | 3.69 | 1.56 | 2.40 | 5.62 | 7.4 | 1.2 |
CER/DMP (70/30) | 3.14 | 0.37 | 2.00 | 0.18 | 1.40 | 0.52 | 2.70 | 6.07 | 8.5 | 2.2 |
CER/DMP (50/50) | 4.13 | 0.56 | 4.66 | 0.12 | 2.87 | 1.21 | 2.37 | 5.33 | 7.4 | 1.4 |
CERDBP30 | 6.82 | 0.61 | 0.58 | 1.05 | 3.15 | 0.22 | 14.20 | 32.17 | 11.2 | 2.2 |
a-CERDBP30 | 7.30 | 0.45 | 0.64 | 0.70 | 1.46 | 0.16 | 9.30 | 20.92 | 16.2 | 5.0 |
a-CERDMP30 | 7.30 | 0.72 | 0.94 | 0.76 | 2.28 | 0.22 | 10.10 | 22.81 | 10.1 | 3.2 |
a-CERDMP50 | 7.00 | 1.08 | 1.10 | 0.98 | 3.13 | 0.26 | 12.10 | 27.22 | 6.5 | 2.2 |