Table 1.

Functional groups distribution (mmol/g) in HGAm and GAm polymers ^a.

Sample	Carboxylic Acid	Aliphatic-OH	CondensedPhenolic Units	P-hydroxyphenyl Units
HGAm	4.10	3.98	1.6	1.9
GAm	0.52	31.47	5.64	13.64

^a Quantitative ³¹P NMR spectra of HGAm and GAm. The samples were recorded after derivatization with 2-chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane (TMDP) using n-hydroxy-5-norbornene-2 3-dicarboximide (NHND) as internal standard in DMF/Pyridine.