Nylon cheese and dyeing method thereof
A cheese and nylon technology, applied in the field of dyeing and finishing, can solve the problems of increased contact between dyes and nylon cheese, aggravated hydrolysis, and fast dyeing, etc., to achieve easy promotion and industrialization, and reduce processing difficulty and cost , the effect of reducing the number of washing
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Embodiment 1
[0054] Embodiment 1, prepare one, blue nylon cheese.
[0055] Package yarn to be dyed: Nylon package yarn.
[0056] Nylon cheese to be dyed: 300kg.
[0057] Dye formula:
[0058] Acid Scarlet G: 2% (owf.);
[0059] Acetic acid: 0.1% (owf.);
[0060] Leveling agent: 0.5% (owf.);
[0061] Chemical dye water: 100% (owf.).
[0062] Dyeing process and parameters
[0063] 11. Weighing and chemical materials.
[0064] 12. Squeeze the water before dyeing, put the nylon cheese after scouring and squeezing into the non-aqueous medium nylon cheese dyeing vat, when squeezing the water, pressurize at 0.4MPa, and the water content of the nylon cheese after squeezing is 80% (owf.). Wherein, in this embodiment, unless otherwise specified, the special dyeing vat for non-aqueous medium nylon cheese can be simply referred to as the dyeing vat.
[0065] 13. Add non-aqueous medium, put the non-aqueous medium into the dye vat, at this time, the mass ratio of nylon cheese and non-aqueous me...
Embodiment 2
[0077] Embodiment 2, lake blue nylon cheese.
[0078] Cheese to be dyed: Nylon cheese.
[0079] The quality of nylon cheese yarn to be dyed: 300kg.
[0080] Dye formula:
[0081] Acid Lake Blue A: 0.5% (owf.);
[0082] Acetic acid: 0.5% (owf.);
[0083] Leveling agent: 0.5% (owf.);
[0084] Chemical dye water: 110% (owf.).
[0085] Dyeing process and parameters
[0086] 21. Weighing and chemical materials.
[0087] 22. Squeeze the water before dyeing, put the nylon cheese after scouring and squeezing into the non-aqueous medium nylon cheese dyeing vat, when squeezing the water, pressurize at 0.4MPa, and the water content of the nylon cheese after squeezing the water is 70% (owf.). Wherein, in this embodiment, unless otherwise specified, the special dyeing vat for non-aqueous medium nylon cheese can be simply referred to as the dyeing vat.
[0088] 23. Add non-aqueous medium, put the non-aqueous medium into the dye vat, at this time, the mass ratio of nylon cheese and ...
Embodiment 3
[0100] Example 3, orange nylon cheese.
[0101] Cheese to be dyed: Nylon cheese.
[0102] The quality of nylon cheese yarn to be dyed: 300kg.
[0103] Dye formula:
[0104] Neutral Orange R: 1.0% (owf.)
[0105] Acetic acid: 0.1% (owf.)
[0106] Leveling agent: 1% (owf.)
[0107] Chemical dye water: 100% (owf.).
[0108] Dyeing process and parameters
[0109] 31. Weighing and chemical materials.
[0110] 32. Squeeze the water before dyeing, put the nylon cheese after scouring and squeezing into the non-aqueous medium nylon cheese dyeing vat, when squeezing the water, pressurize the pressure at 0.4MPa, and the moisture content of the nylon cheese after squeezing the water is 70% (owf.). Wherein, in this embodiment, unless otherwise specified, the special dyeing vat for non-aqueous medium nylon cheese can be simply referred to as the dyeing vat.
[0111] 33. Add non-aqueous medium, put the non-aqueous medium into the dye vat, at this time, the mass ratio of nylon cheese...
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