Synthesis of Propylene Carbonate from Epoxide and CO₂ Catalyzed by Carbon Nanotubes Supported Fe_1.5PMo₁₂O₄₀

Table 1

Elemental analysis of the as-prepared unsupported heteropolyanions salt catalysts.

M1.5PMo12; (theoretical formulas)	P	M	Mo
	Molar ratio
Fe1.5PMo12	1	1,468	11,945
Co1.5PMo12	1	1,515	11,810
Cu1.5PMo12	1	1,589	12,567
Zn1.5PMo12	1	1,496	12,259