Surface Modification of Polypropylene Membrane Using Biopolymers with Potential Applications for Metal Ion Removal

Table 4

Thermal parameters of PP and modified membranes.

Membrane	(°C)	(J/g)	% biopolymer^1	(J/g)	(J/g)
PP	153.2	97.2	ND	ND	680.4
PP-PS	152.9	27.6	11.4	165.1	195.7
PP-CEL	152.6	23.2	16.0	187.7	191.9
PP-CHI	151.8	16.9	22.6	196.9	149.3

Values were obtained from thermogravimetric analysis in a range of 120–300°C.