Processing method for short hemp which does not easily fade
A processing method, short hemp technology, applied in the chemical aftertreatment of fibers, mechanical separation of fibers, plant raw materials, etc., can solve the problems of easy fading, inconvenient use, and adverse effects of other clothing colors, and achieve a simple processing method and satisfy the use effect of demand
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Embodiment 1
[0021] A method for processing short hemp that is not easy to fade, the specific steps are as follows:
[0022] Step 1, obtaining raw hemp: processing and soaking the stems of the harvested hemp in clean water until the hemp skin is soft, and peeling the skin by hand to obtain raw hemp;
[0023] Step 2, screening: divide the raw hemp into strands and comb the short hemp on the combing machine, and comb the long hemp to keep only the short hemp;
[0024] Step 3, pretreatment: Soak the short hemp successively in water, a surfactant and a urea solution with a mass fraction of 15%. The surfactant includes a mixture of fatty alcohol polyoxyethylene ether sodium sulfate and lecithin, and then the Steam and cook for 35 minutes, and finally squeeze and knead the short hemp repeatedly;
[0025] Step 4, carding: straighten the product of step 3 on the combined carding machine, then use 2 needle combs to straighten the product and make fiber strips;
[0026] Step 5, combing: combing th...
Embodiment 2
[0030] A method for processing short hemp that is not easy to fade, the specific steps are as follows:
[0031] Step 1, obtaining raw hemp: processing and soaking the stems of the harvested hemp in clean water until the hemp skin is soft, and peeling the skin by hand to obtain raw hemp;
[0032] Step 2, screening: divide the raw hemp into strands and comb the short hemp on the combing machine, and comb the long hemp to keep only the short hemp;
[0033] Step 3, pretreatment: Soak the short hemp in water, fatty acid glyceride and urea solution in sequence, then cook at 60-78 degrees Celsius for 25-40 minutes, and finally squeeze and knead the short hemp repeatedly;
[0034] Step 4, carding: straighten the product of step 3 on the combined carding machine, then use 2 needle combs to straighten the product and make fiber strips;
[0035] Step 5, combing: combing the product of step 4 to remove impurity fibers, and then use 4 needle combs to straighten the product and make fiber ...
Embodiment 3
[0039] A method for processing short hemp that is not easy to fade, the specific steps are as follows:
[0040] Step 1, obtaining raw hemp: processing and soaking the stems of the harvested hemp in clean water until the hemp skin is soft, and peeling the skin by hand to obtain raw hemp;
[0041] Step 2, screening: divide the raw hemp into strands and comb the short hemp on the combing machine, and comb the long hemp to keep only the short hemp;
[0042] Step 3, pretreatment: Soak the short hemp in water, polyamide and urea solution with a mass fraction of 16% in sequence, then cook at 75 degrees Celsius for 33 minutes, and finally squeeze and rub the short hemp repeatedly;
[0043] Step 4, carding: straighten the product of step 3 on the combined carding machine, then use 2 needle combs to straighten the product and make fiber strips;
[0044] Step 5, combing: combing the product of step 4 to remove impurity fibers, and then use 4 needle combs to straighten the product and ma...
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