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. 2020 Aug 24;12(9):1908. doi: 10.3390/polym12091908

Table 4.

Mechanical properties of different epoxy/poly(ether imide) (PEI) systems investigated in literature at room temperature.

Sample Molecular Weight of PEI, Mn (g/mol) Tensile Strength (MPa) Tensile Modulus (GPa) Elongation at Break (%) KIC (MPa·m1/2) GIC (kJ/m2) Ref.
BADCy 63.7 2.27 4.14 0.62 0.100 [33]
BADCy/PEI = 90/10 12,000 75.6 2.38 4.66 1.35 0.495 [33]
BADCy/PEI = 85/15 12,000 84.7 2.39 5.86 1.6 0.680 [33]
BADCy/PEI = 80/20 12,000 73.4 2.00 5.50 3.1 2.480 [33]
BADCy ~84.2 ~2.60 ~4.43 - ~0.190 [82]
BADCy/PEI = 95/5 18,000 ~82.1 ~2.57 ~4.33 - ~0.211 [82]
BADCy/PEI = 90/10 18,000 ~83.4 ~2.54 ~4.50 - ~0.202 [82]
BADCy/PEI = 85/15 18,000 ~99.2 ~2.53 ~6.20 - ~0.603 [82]
BADCy/PEI = 80/20 18,000 ~108.4 ~2.54 ~7.33 - ~1.207 [82]
BADCy/PEI = 75/25 18,000 ~110.9 ~2.55 ~7.91 - ~2.105 [82]
HPT - - - ~0.60 - [78]
HPT/PEI = 95/5 20,000 - - - ~1.18 - [78]
HPT/PEI = 90/10 20,000 - - - ~1.22 - [78]
HPT/PEI = 85/15 20,000 - - - ~1.35 - [78]
BADCy - - - - ~0.196 [32]
BADCy/PEI = 92.5/7.5 18,000 - - - - ~0.261 [32]
DGEBA/PEI = 87/13 19,000 ~49.3 ~0.67 ~7.1 - - [83]
TGDDM + DGEAC 62.0 2.6 3.2 - - [84]
TGDDM + DGEAC/PEI = 85/15 23,825 80.9 2.6 3.5 - - [84]
TGDDM + DGEAC/PEI = 80/20 23,825 88.8 2.6 4.7 - - [84]
TGDDM + DGEAC/PEI = 85/15 25,405 87.3 2.7 4.3 - - [84]
TGDDM + DGEAC/PEI = 80/20 25,405 88.8 2.6 4.7 - - [84]
TGDDM + DGEAC/PEI = 85/15 21,175 77.0 2.6 3.9 - - [84]
TGDDM + DGEAC/PEI = 80/20 21,175 81.6 2.6 4.2 - - [84]
TGDDM + DGEAC/PEI = 85/15 20,983 89.2 2.7 4.4 - - [84]
TGDDM + DGEAC/PEI = 80/20 20,983 86.6 2.7 4.4 - - [84]