Pure cotton fabric bleaching process
A technology of pure cotton fabrics and processes, applied in bleached products, plant fibers, textiles and papermaking, etc., can solve the problems of yellowing, cannot ensure the yellowing of fabrics, etc., and achieve the effect of avoiding yellowing
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[0043] The following is a specific implementation example of the present invention.
[0044] The fabric comes from a textile factory specializing in the production of pure cotton woven products. The fabric specification is ordinary plain weave with a width of 1200mm. The specific bleaching formula and technological process of the fabric are as follows:
[0045] 1. Bleaching formula
[0046] Scouring agent 1g / L
[0047] Stabilizer 1g / L
[0048] Caustic soda 2g / L
[0049] Hydrogen peroxide 20-35% concentration 10g / L
[0050] Chelating dispersant 1g / L
[0051] Brightener 0.1%
[0052] 2. Processing conditions
[0053] Bath ratio 1:10
[0054] Temperature 40±5℃
[0055] Time heat preservation 60min
[0056] 3. Wash with hot water
[0057] Wash in hot water (85°C) for 25 minutes
[0058] 4. Too acidic
[0059] Acetic acid 1g / L
[0060] Bath ratio 1:12
[0061] Temperature 35°C
[0062] Time 20min
[0063] 5. Deoxygenation
[0064] Deoxygenase 0.1%
[0065] Bath r...
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