Table 1

TGA data for different ratios of MWCNTs and pyrene-POSS
MWCNTs/pyrene- POSS ratioa

Pyrene/

MWCNTs surface area ratiob

Mass loss (percent)c Pyrene-POSS content (mmol g−1)d Pyrene coverage (percent)e Flat Pyrene-POSS coverage (percent)e L-shaped pyrene-POSS coverage (percent)e
1:0.2 63:250 5.9 0.066 9.5 49 36
1:0.6 190:250 10.5 0.125 18 93 68
1:1 315:250 11.2 0.134 19 100 73
1:2 630:250 11.6 0.140 20 105 76
1:3 950:250 12.6 0.154 22 115 84

aRatio of pyrene-POSS to purified MWCNT used for modification; bsurface area ratio by considering the area of pyrene unit as 60 Å2 in pyrene-POSS with respect to MWCNTs; cmass loss of PP-MWCNTs according to TGA analysis (at 600 °C); dquantity of pyrene-POSS immobilized on 1 g of purified MWCNTs; epart of the MWCNTs surface covered by immobilized compound depending on the conformation.

Majeed et al.

Majeed et al. Nanoscale Research Letters 2012 7:296   doi:10.1186/1556-276X-7-296

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