Unformatted text preview: C. The substrate being treated is a 7 x 10” cotton/polyester fiber blend fabric. D. 1. The first step in the process is to weigh the fabric to the nearest 0.01 g. 2. Pad the fabric to 80-100% WPU with the already prepared bath and record our weight to the nearest 0.01 g. 3. Evenly dry the padded fabric in the oven at 100-110 o C for 5 minutes, cut a swatch, and label it “padded, not cured.” 4. Hang the dried sample in the cure oven at 199 o C for 2 minutes, cut a swatch, and label it “fixed-unscoured.” 5. Wash remaining fabric in hot water in the kettle for 5 minutes. 6. Prepare a 1000 mL scouring bath with sodium carbonate, Renex R 36, and water. 7. Immerse dyed fabric in bath in Gibbs machine at 80-85 o C. When it reaches 80 o C agitate for 10 minutes. Remove sample, rinse, extract, and dry. Cut swatch and label as “fixed-scoured.” 8. Examine dyed fabric in a low-power microscope and record observations....
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- Spring '10
- Dye, Dyeing, Dyes, disperse dyes, scouring bath, Rubio Robin Kirkman