Modification method of ramie fibers
A ramie fiber modification technology, applied in the field of ramie fiber modification, can solve problems such as skin itching, easy wrinkling and fluffing of fabrics, and damage to antibacterial components of ramie fiber ultra-fine microporous structure, so as to improve fineness and eliminate itching Sensitive effect
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Embodiment 1
[0018] A modification method of ramie fiber, comprising the steps:
[0019] Step 1, mix cottonseed hull ash, straw ash and sodium hydroxide in a weight ratio of 10:6:1.5, add water 12 times the total weight of the three, and boil to prepare a modified solution;
[0020] Step 2, adding ramie fibers into the modified solution, completely submerging, and cooking for 3 hours;
[0021] In step 3, the ramie fiber is taken out from the modified solution, washed with clear water, and air-dried naturally.
Embodiment 2
[0023] Step 1, mix cottonseed hull ash, straw ash and sodium hydroxide in a weight ratio of 10:6:1.5, add water 12 times the total weight of the three, and boil to prepare a modified solution;
[0024] Step 1-1, put the ramie fiber into a 2.5MPa airtight space filled with nitrogen, then deflate within 40s and return to the normal pressure state;
[0025] Step 2, adding ramie fibers into the modified solution, completely submerging, and cooking for 3 hours;
[0026] In step 3, the ramie fiber is taken out from the modified solution, washed with clear water, and air-dried naturally.
[0027] The modified ramie fiber obtained in Example 1 and Example 2 was tested for physical properties with the raw material ramie fiber under the same test conditions, as shown in Table 1.
[0028] Table I
[0029]
[0030] As can be seen from Table 1, after the modification of Example 1, the fineness of ramie fiber becomes thinner, the strength increases slightly, and the elongation a...
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