Facile Synthesis of Highly Aligned Multiwalled Carbon Nanotubes from Polymer Precursors

Table 1

Polymer precursors and the resulting MWNT morphology and resistance.

Polymers	MW g/mol	Resistance	Product morphology
Poly(bisphenol A-co-epichlorohydrin) glycidyl ether	355	20 kΩ	MWNTs
Bisphenol A propoxylate diglycidyl ether	457	40 kΩ	MWNTs
Bisphenol A ethoxylate dimethacrylate	1,700	6 kΩ	MWNTs
Poly(ethylene glycol) methyl ether	2 k	7 MΩ	Not well formed
Polyisoprene	40 k	1 MΩ	Not well formed, rubber-like
Polystyrene-co-poly(methyl methacrylate)	100 k–150 k	10 kΩ	MWNTs, some sponge-like features
PMMA	120 k	25 kΩ	MWNTs
Polystyrene-b-polybutadiene	140 k	300 kΩ	Flat collapsed tubes
PS polystyrene	350 k	—	Complete decomposition
Poly(acrylic acid)	450 k	500 kΩ	Flat collapsed tubes