Table 1.

Characteristics of the polymer samples

Polymer	a	K × 104 (dL·g−1)	[η] (dL·g−1)	T (K)	$M_{\text{v}}$ × 10−3 (g·mol−1)	DD (%)	DH (%)	Source
Ch I	0.93	0.181a	3.12	298	427	83		Institute of Sea Fisher (Poland)
Ch II	0.93	0.181a	9.35	298	1390	79		Aldrich
MCCh	0.93	0.181a	7.26	298	1059	84		Our laboratory
PVA88	0.58	8.0b	0.76	298	136		88	Loba
PVA99	0.61	6.9b	0.82	298	110		99	Aldrich

a, K are the parameters of Mark-Houwink-Sakurada equation, the M _v is the viscosity average molecular weight, DD is the degree of deacetylation of chitosan, DH is the degree of hydrolysis of PVA

^aSolvent: 0.1 mol·dm⁻³ CH₃COOH, 0.2 mol·dm⁻³ NaCl [15]

^bSolvent: water [16]