Abstract
Abstract This study examines the possibilities to improve natural dyestuff's (Pinux TM ) dyeability and colorfastnessfor C/R (Cotton/Rayon (40/60)) and W/T (Wool/Tencel (10/90)) knitted fabrics in cationizing and smectitingfor pre-treatment, simultaneous-treatment and post-treatment process sequences; as well as various other treat-ment methods. The sample dyeability showed the strongest K/S value in the order of smectite (S) < catio-nization + smectite (C+S) < cationization (C); however, the K/S value showed a low level in the simultaneous-treatment method of smectite. Colorfastness to washing improved in the order of C < C+S < S, and after thesmectite post-treatment process, C/R improved from Grade 1 to Grade 4 and W/T improved from Grade 1-2 toGrade 4. Colorfastness to perspiration generally improved in the same order as the colorfastness to washing andafter the smectite post-treatment process C/R, W/T sample's acidic and alkaline colorfastness to perspirationimproved greatly. As for the colorfastness to rubbing, the addition of smectite in the simultaneous-treatmentand post-treatment processes resulted in improved wet-colorfastness; however, smectite showed less effect onthe colorfastness to light compared to other colorfastness ratings.Key words
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