Method for chemical modification, pigment dyeing and overflow sand washing of fiber
A technology of chemical denaturation and paint dyeing, applied in dyeing method, fiber treatment, plant fiber, etc., can solve the problems of the adaptability range and color reproducibility affecting product processing range and wearing performance, hand feeling and washing fastness, and production wastewater. Pollution of the environment and other problems, to achieve the effect of improving product feel, benefiting product quality and shortening dyeing time
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Embodiment 1
[0040] A method adopting fiber chemical denaturation, paint dyeing and overflow sand washing, fiber products are subjected to cationic chemical denaturation reaction to cellulose fibers under non-alkaline conditions through a cationic denaturant, and then subjected to paint dyeing and overflow sand washing treatment, Make the fiber products form the traditional stone-washed distressed effect.
[0041] The method includes the following processes:
[0042] Gray cloth---scouring---chemical denaturation---paint dyeing---sand washing treatment---soft drawing---shrinking---sorting---finished product.
[0043] 1) The formula of the working solution of the chemical denaturation and paint dyeing is:
[0044] Cationic denaturant: 1-3% (o.w.f, to product weight)
[0045] Compound enzyme: 5-8% (o.w.f, to product weight)
[0046] Hydrogen peroxide: 4-8 grams per liter of working fluid
[0047] Dispersant: 1-2 grams per liter of working fluid
[0048] 2) The cationic denaturant adopts ...
Embodiment 2
[0060] The application of the method of chemical denaturation of fibers, paint dyeing and overflow sand washing in garment dyeing includes the following steps:
[0061] 1) Chemical denaturation and dyeing in the same bath:
[0062] Working fluid formula:
[0063] Highly active quaternary ammonium cationic etherifying agent, 1-3% (o.w.f); its effective active substance content is ≥69.5%, 1,3 dichlorohydrin≤15ppm, epichlorohydrin≤5ppm, 10% of cationic denaturant The pH value of the aqueous solution is 5-7;
[0064] Paint, X%
[0065] Bath ratio: 1:12
[0066] The method of chemical denaturation and dyeing in the same bath is as follows: put the dry fabric and the working solution into the equipment and circulate it for 1-2 minutes under the condition of 30-40°C, and then denature and dye for 10 minutes under the condition of 75-80°C. -20 minutes, wash with water once, the washing temperature is 30-40°C, the time is 10-15 minutes, and then dehydrated and dried;
[0067] 2) Fin...
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