Advanced Colour Physics & Wet Processing
Estimates disperse dye lost to sublimation during pad-thermosol curing of polyester: the temperature-corrected loss rate, the share of dye sublimed away over the dwell, and the dye actually retained on the cloth.
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Advanced Colour Physics & Wet Processing
Models a supercritical CO₂ dyeing vessel: disperse dye solubility by the Chrastil density correlation, dye dissolved per pass, passes needed for the recipe, CO₂ charge mass, the equivalent liquor ratio and the reduced pressure and temperature.
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Advanced Colour Physics & Wet Processing
Sizes an ozone denim bleaching cycle: ozone supplied over the exposure, the fraction consumed at the working utilisation, dose per kilogram of garments, generator energy and the off-gas load the destruct unit has to handle.
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Advanced Colour Physics & Wet Processing
Converts spectrophotometer reflectance into Kubelka-Munk K/S, separates the substrate contribution, derives the unit K/S per percent of dye and solves the concentration needed to reach a target reflectance.
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Advanced Colour Physics & Wet Processing
Sets the dip and sky sequence on an indigo rope range: immersion time per trough, skying time available between dips, whether that meets the oxidation the dye needs, and the total time the rope spends in the range.
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Advanced Colour Physics & Wet Processing
Scales a lab garment-wash recipe to a production machine by holding dose on weight of goods constant: batch weight, bath volume, the production dose in grams per litre, total enzyme per load and water per garment.
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Advanced Colour Physics & Wet Processing
Compares two dyes in one bath using first-order exhaustion kinetics: exhaustion reached by each at the dyeing time, the gap between them that drives unlevelness, a compatibility index from their half-dyeing times, and the time the slower dye needs.
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