Ionic Liquid-Catalyzed Preparation of Aromatic Polyamides Containing Phthalazinone Moiety

Table 1

Inherent viscosity and yield of polyamids.

Polymer	IL catalysis polycondensation		Conventional polycondensation [1]
	Yield (%)	𝜂́inh (dl g^−1)^a	Yield (%)	𝜂́inh (dl g^−1)^a
PA1	97	0.69	99.1	0.63
PA2	95	0.56	—	—
PA3	93	0.54	—	—
PA4	90	0.48	—	—
PA5	92	0.46	—	—
PA6	98.8	0.64	98.4	0.58
PA7	95	0.49	—	—
PA8	97	0.71	—	—

aMeasured at a concentration of 0.5 g/dL in DMAc at 30°C.