Open Access. Powered by Scholars. Published by Universities.®

Art and Design Commons

Open Access. Powered by Scholars. Published by Universities.®

PDF

Faculty Publications - Textiles, Merchandising and Fashion Design

1982

Articles 1 - 1 of 1

Full-Text Articles in Art and Design

The Influence Of Mordant On The Lightfastness Of Yellow Natural Dyes, Patricia Cox Crews Jan 1982

The Influence Of Mordant On The Lightfastness Of Yellow Natural Dyes, Patricia Cox Crews

Faculty Publications - Textiles, Merchandising and Fashion Design

Wool specimens were premordanted with alum, chrome, copper, iron, or tin mordants and dyed with 18 yellow natural dyes. The dyed specimens were then exposed to a xenon-arc lamp for 5, 10, 20, 40, and 80 AATCC Fading Units. The color changes were evaluated instrumentally with a color difference meter and visually by trained observers. Color differences in CIE L*a*b* units, gray scale classifications, and lightfastness ratings were reported. Turmeric, fustic, and marigold dyes faded significantly more than any of the other yellow dyes. However, dyes applied with tin and alum mordants faded significantly more than dyes mordanted ...