Cotton cheese and reactive dye dyeing method thereof
A technology of reactive dyes and cheese, which is applied in the field of dyeing and finishing, can solve the problems of increased contact between dyes and cotton cheese, aggravated hydrolysis, uneven dyeing, etc., and achieves easy promotion and industrialization, low salt content and dye content Low, simple effect of water treatment
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Examples
Embodiment 1
[0060] Example 1, preparation of black cotton cheese.
[0061] Cotton cheese to be dyed: 21 high-quality cotton cheese.
[0062] Cotton cheese yarn to be dyed: 288kg.
[0063] Dye Recipe:
[0064] Active black G: 5% (owf.);
[0065] Chemical dye water: 40% (owf.).
[0066] Lye recipe:
[0067] Soda ash: 15% (owf.);
[0068] Alkali water: 60% (owf.).
[0069] Dyeing process and parameters
[0070] 11. Weighing and chemicals.
[0071] 12. Squeeze water before dyeing, put the cotton cheese after scouring and squeezing into the special dyeing vat for non-aqueous medium cotton cheese, when squeezing water, the pressure is 0.2MPa, and the moisture content of the cotton cheese after squeezing is 150% (owf.). Wherein, in this embodiment, unless otherwise specified, the special dyeing vat for non-aqueous medium cotton cheese can be referred to as a dyeing vat for short.
[0072] 13. Add non-aqueous medium and put the non-aqueous medium into the dye vat. At this time, the mass...
Embodiment 2
[0085] Example 2, navy blue cotton cheese.
[0086] Cotton cheese to be dyed: 32 high-quality cotton cheese.
[0087] Mass of cotton cheese yarn to be dyed: 288kg.
[0088] Dye Recipe:
[0089] Active navy L-3G: 3% (owf.);
[0090] Chemical dye water: 30% (owf.).
[0091] Lye recipe:
[0092] Soda ash: 10% (owf.);
[0093] Alkali water: 50% (owf.).
[0094] Dyeing process and parameters
[0095] 21. Weighing and chemicals.
[0096] 22. Squeeze water before dyeing, put the cotton cheese after scouring and squeezing into the special dyeing vat for non-aqueous medium cotton cheese, when squeezing water, the pressure is 0.4MPa, and the moisture content of cotton cheese after squeezing is 100% (owf.). Wherein, in this embodiment, unless otherwise specified, the special dyeing vat for non-aqueous medium cotton cheese can be referred to as a dyeing vat for short.
[0097] 23. Add non-aqueous medium, put the non-aqueous medium into the dye vat, at this time, the mass ratio o...
Embodiment 3
[0110] Example 3, red cotton cheese.
[0111] Cotton cheese to be dyed: 40-count combed cotton cheese.
[0112] Mass of cotton cheese yarn to be dyed: 288kg.
[0113] Dye Recipe:
[0114] Reactive Red L-S: 0.5% (owf.);
[0115] Chemical dye water: 10% (owf.).
[0116] Lye recipe:
[0117] Soda ash: 5% (owf.);
[0118] Alkali water: 30% (owf.).
[0119] Dyeing process and parameters
[0120] 31 Weighing and chemical materials.
[0121] 32 Put the scouring and water-pressed cheese into a special dyeing vat for non-aqueous cotton cheese. When water is pressed, the pressure is 0.4MPa, and the moisture content of the cotton cheese after water-pressing is 100% (owf.). Wherein, in this embodiment, unless otherwise specified, the special dyeing vat for non-aqueous medium cotton cheese can be referred to as a dyeing vat for short.
[0122] 33. Add non-aqueous medium and put the non-aqueous medium into the dye vat. At this time, the ratio of cotton cheese yarn to non-aqueous me...
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