F Nourmohammadian - Department of Organic Colorants, Institute for Color Science and Technology
M Davoodzadeh Gholami - Corresponding author

In this research, 4 cationic dyes based on 4 substituted benzothiazol were prepared. Hence effect of substitution was surveyed by using donor, accepter and nutrition substituted benzothiazol. As a result it can be demonstrate vividly substitution effect in optical and dyeing properties.

Cationic Dye, Benzothiazole, Optical Properties, Dyeing Properties