A kind of color point color-changing yarn or fabric and its processing method

[0034] A processing method of pure cotton 60S / 2 green dotted color-changing yarn, comprising the following processing steps:

[0035] 1. Pretreatment: twist the 60S / 2 yarn into strands, and then boil and bleach to remove excess impurities. The boiling and bleaching process is as follows: the dosage of caustic soda is 10g / L, the dosage of scouring agent SSS (Shanghai Yayun) is 1g / L, the dosage of hydrogen peroxide is 8g / L, the treatment temperature is 110℃, and the treatment time is 30 minutes.

[0036] 2. Modification treatment: use cationic modifier to modify 60S / 2 yarn, the process is modifier Q-01 (Rudolph Chemical) 6g / L and liquid alkali 0.5g / L, 80℃ for 40min .

[0037] 3. Spray dyeing: Spray dyeing with mist-like color-changing dyes using long dyeing machines imported from Italy. The speed of the machine is 10m / min, the diameter of the nozzle is 2cm, and the amount of liquid is 0.5. The formula of the dye is NatureGreen 10% (owf) (Gyeongren, South Korea),

[0041] A processing method of a 70S / 2 polyester-cotton double mercerized fabric blue-gray segmented double temperature discoloration fabric, comprising the following processing steps:

[0042] 1. Pretreatment: The 70S / 2 polyester-cotton double mercerized fabric is boiled and bleached to remove excess impurities to obtain a white fabric. The dosage of caustic soda is 1g / L, the dosage of scouring agent BMF (Desang Chemical Industry) is 3g / L, the dosage of hydrogen peroxide is 2g / L, the treatment temperature is 80°C, and the treatment time is 30 minutes.

[0043] 2. Modification treatment: Use cationic modifier to modify 70S / 2 polyester-cotton double mercerized fabric. The process is modifier Q-01 (Rudolph Chemical) 1g / L and liquid alkali 1.5g / L, 60 ℃ for 20 minutes.

[0044] 3. Spray dyeing: Use Italian imported long-terminal dyeing vehicles to carry out point-dyeing of segmental color-changing dyes. The vehicle speed is 10m / min, the nozzle diameter is 2cm, and t

[0049] A processing method for 64S / 2 Tencel cotton rose red discoloration, comprising the following processing steps:

[0050] 1. Pretreatment: twist the yarn of 64S / 2 Tencel cotton into strands, and then boil and bleach to remove excess impurities. The boiling and bleaching process is as follows: the dosage of caustic soda is 5g / L, the dosage of scouring agent BFK (Shanghai Jiahe) is 3g / L, the dosage of hydrogen peroxide is 4g / L, the treatment temperature is 90℃, and the treatment time is 60 minutes.

[0051] 2. Modification treatment: use cationic modifier to modify 64S / 2 Tencel cotton yarn, the process is modifier Q-01 (Rudolph Chemical) 4g / L and liquid alkali 1.5g / L, 70℃ Treat for 30min.

[0052] 3. Color-changing dyeing: The yarn is dyed by the skein cabinet cylinder dyeing machine imported from Italy. The weight of the skein is 400kg, the dye is RoseRed10% (owf), and the leveling agent dosage is 2g / L, (Korea Gyeongin), The color change temperature is 25°