Process for dyeing and finishing cotton covered silk spandex knitted fabric
A knitted fabric and spandex technology, which is applied in the field of dyeing and finishing of cotton cover silk spandex knitted fabrics, can solve the problems of uneven dyeing, poor gloss, poor color fastness, etc., and achieves simple process method, low production cost, and color fastness good effect
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Embodiment 1
[0034] A dyeing and finishing process for cotton-covered spandex knitted fabrics, which comprises the following steps:
[0035] Step 1, pre-treatment: put the cotton-covered spandex knitted fabric in a treatment solution at a temperature of 85°C and keep it warm for 40 minutes;
[0036] Step 2, dyeing: put the pre-treated fabric into the dyeing agent, and then heat up, keep warm and cool down; in this embodiment, the heating up temperature is 80°C, the holding time is 45min, and the cooling temperature is 55°C;
[0037] Step 3, washing and deoxygenation: cyclic washing and deoxidation of the dyed fabric in step 2;
[0038] Step 4, finishing: color-fixing and soft finishing of the fabric;
[0039] Step 5, shaping and drying: add the shaping liquid into the liquid tank of the shaping machine and soak for 45 minutes, and then dry at a temperature of 100 ° C for 5 minutes to complete the dyeing and finishing process of the cotton cap silk spandex knitted fabric;
[0040] Wherein...
Embodiment 2
[0045] A dyeing and finishing process for cotton-covered spandex knitted fabrics, which comprises the following steps:
[0046] Step 1, pre-treatment: put the cotton-covered spandex knitted fabric in a treatment solution at a temperature of 80°C and keep it warm for 50 minutes;
[0047] Step 2, dyeing: put the pre-treated fabric into the dyeing agent, and then heat up, keep warm and cool down; in this embodiment, the heating up temperature is 70°C, the holding time is 55min, and the cooling temperature is 45°C;
[0048] Step 3, washing and deoxygenation: cyclic washing and deoxidation of the dyed fabric in step 2;
[0049] Step 4, finishing: color-fixing and soft finishing of the fabric;
[0050] Step 5, shaping and drying: add the shaping liquid to the liquid tank of the shaping machine and soak for 30 minutes, and then dry at a temperature of 90 ° C for 8 minutes, and the dyeing and finishing process of the cotton-covered spandex knitted fabric is completed;
[0051] Where...
Embodiment 3
[0057] A dyeing and finishing process for cotton-covered spandex knitted fabrics, which comprises the following steps:
[0058] Step 1, pre-treatment: put the cotton-covered spandex knitted fabric in a treatment solution at a temperature of 90°C and keep it warm for 30 minutes;
[0059] Step 2, dyeing: put the pre-treated fabric into the dyeing agent, then heat up, keep warm and cool down; in this embodiment, the heating up temperature is 90°C, the holding time is 35min, and the cooling temperature is 65°C;
[0060] Step 3, washing and deoxygenation: cyclic washing and deoxidation of the dyed fabric in step 2;
[0061] Step 4, finishing: color-fixing and soft finishing of the fabric;
[0062] Step 5, shaping and drying: add the shaping liquid into the liquid tank of the shaping machine and soak for 60 minutes, then dry at a temperature of 110°C for 3 minutes, and the dyeing and finishing process of the cotton-covered spandex knitted fabric is completed;
[0063] Wherein, the...
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