Preparation of Novel Chitosan-Starch Blends as Thickening Agent and Their Application in Textile Printing

Table 6

Fastness properties of control and highest K/S samples and surface roughness of fabrics.

Printing paste	Rubbing fastness		Washing fastness		Perspiration fastness				Light fastness	Roughness
	Dry	Wet	Alt.	St.	Acid		Alkaline
					Alt.	St.	Alt	St.
Cotton fabric (100%)
Commercial paste	4-5	4	4	4	4	4-5	4	4	1	13.01
5% starch/chitosan	4-5	3	4	4	4	4-5	4	4	3	13.11
Cotton/polyester blend fabric (35/65)
Commercial paste	4-5	4-5	4	4	4	4	4	4	1	16.78
6% starch/chitosan	4-5	4	4	4	4	4	4	4	3-4	12.17
Viscose/polyester (80/20)
Commercial paste	4-5	4-5	4	4	4	4	4	4	1	15.64
5% starch/chitosan	4-5	4	4	4	4	4	4	4	3	15.65
Polyester
Commercial paste	4-5	4-5	4	4	4	4	4	4	1	18.62
6% Starch/chitosan	4-5	4-5	4	4	4	4	4	4	3-4	18.73
Polyamide
Commercial paste	4-5	3	3	3	3	3	3	3	1	24.67
	4-5	4	3	3	3	3	3	3	3-4	18.49
Wool
Commercial paste	4	4	4	4	4	4	4	4	1	25.01
6% Starch/chitosan	4	3	4	4	4	4	4	4	3	25.00