Morphology and Properties of Aminosilane Grafted MWCNT/Polyimide Nanocomposites

Table 6

Tensile strength of MWCNT/polyimide composites.

MWCNT content	Tensile strength of unmodified MWCNT/PI, MPa	Tensile strength of acid-modified MWCNT/PI, MPa	Tensile strength of APTES-MWCNT-1/PI, MPa	Tensile strength of APTES-MWCNT-2/PI, MPa	Tensile strength of APTES-MWCNT-3/PI, MPa
0	101.71 ± 5.10	101.71 ± 5.10	101.71 ± 5.10	101.71 ± 5.10	101.71 ± 5.10
0.5	107.37 ± 5.66	106.91 ± 7.24	121.53 ± 5.21	125.55 ± 5.12	125.00 ± 8.25
1.0	110.67 ± 5.66	110.02 ± 5.23	126.49 ± 9.68	126.66 ± 9.96	128.03 ± 6.32
2.4	111.56 ± 10.00	115.44 ± 7.46	126.03 ± 7.34	116.90 ± 6.00	117.44 ± 8.46
4.8	118.11 ± 6.11	129.42 ± 6.63	101.01 ± 8.50	106.91 ± 5.02	109.64 ± 7.40
7.0	120.87 ± 10.834	133.84 ± 5.37	104.24 ± 9.07	82.39 ± 4.24	Too brittle