One-bath dyeing method of polyester-cotton knitted fabric
A technology of dyeing and polyester-cotton needles in the same bath, applied in the field of textile printing and dyeing, can solve the problems of low production efficiency, long process flow, short process flow, etc.
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Embodiment 1）
[0041] The same-bath dyeing method of polyester-cotton knitted fabric in this embodiment is to dye black on T / C single jersey (65% / 35%), and the specific steps are as follows:
[0042] ① Cationic modification of T / C single-sided fabric.
[0043] Arrange the above T / C on one side in the modifying solution, and evenly paddle it with a rolling car to achieve a surplus rate of 80%, and then stack it at room temperature for 12 hours.
[0044] The formula of the modified liquid is as follows: cationic modifier 100g / L, sodium hydroxide 30g / L, penetrant 10g / L, and the rest is water.
[0045] The cationic modifier is 3-chloro-2-hydroxypropyltrimethylammonium chloride cationic quaternary ammonium salt.
[0046] The penetrating agent is strong alkali-resistant non-silicon penetrating agent FS.
[0047] ②Arrange one side of T / C after cationic modification in the overflow dye vat for neutralization and cleaning, the temperature is 70°C, and the time is 15 minutes.
[0048] ③ Dyeing in t...
Embodiment 2）
[0057] The same-bath dyeing method of polyester-cotton knitted fabric in this embodiment is to dye emerald blue on T / C single jersey (65% / 35%), and the specific steps are as follows:
[0058] ① Cationic modification of T / C single-sided fabric.
[0059] Arrange the above T / C on one side in the modifying solution, and evenly paddle it with a rolling car to achieve a surplus rate of 80%, and then stack it at room temperature for 12 hours.
[0060] The formula of the modified liquid is as follows: cationic modifier 80g / L, sodium hydroxide 24g / L, penetrant 8g / L, and the rest is water.
[0061] The cationic modifier is 3-chloro-2-hydroxypropyltrimethylammonium chloride cationic quaternary ammonium salt.
[0062] The penetrating agent is strong alkali-resistant non-silicon penetrating agent FS.
[0063] ② Arrange one side of T / C after cationic modification in the overflow dye vat for neutralization and cleaning, the temperature is 80 ℃, and the time is 20 minutes.
[0064] ②'Bleac...
Embodiment 3）
[0075] The same-bath dyeing method of polyester-cotton knitted fabric in this embodiment is to dye red on T / C single jersey (65% / 35%), and the specific steps are as follows:
[0076] ① Cationic modification of T / C single-sided fabric.
[0077] Arrange the above T / C on one side in the modifying solution, and evenly paddle it with a rolling car to achieve a surplus rate of 80%, and then stack it at room temperature for 12 hours.
[0078] The formula of the modified liquid is as follows: cationic modifier 70g / L, sodium hydroxide 21g / L, penetrant 7g / L, and the rest is water.
[0079] The cationic modifier is 3-chloro-2-hydroxypropyltrimethylammonium chloride cationic quaternary ammonium salt.
[0080] The penetrating agent is strong alkali-resistant non-silicon penetrating agent FS.
[0081] ② Arrange one side of T / C after cationic modification in the overflow dye vat for neutralization and cleaning, the temperature is 80 ℃, and the time is 20 minutes.
[0082] ②'Bleaching is c...
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