Table 1.

Summary of the used quantity of benzaldehyde derivatives and yield (%)

Polymer Code	g(mmol)					Yield (%)
	III	IV	Bz1	4-HO-Bz2	2,4-Di-HO-Bz3
V	2.5(22.1)	-	5(47.2)	-	-	80
VI			-	5(41.0)	-	72
VII			-	-	5(36.2)	81
VIII	-	2.5(14.8)	5(47.2)	-	-	73
IX			-	5(41.0)	-	74
X			-		5(36.2)	90

¹Benzaldehyde; ²4-Hydroxybezaldehyde; ³2,4-Dihydroxybenzaldehyde.