Bleaching technology of rose fiber knitted fabric
A technology for soft silk fibers and knitted fabrics, applied in the field of textile finishing technology, can solve the problems of low use cost of sodium hypochlorite, poor biodegradability, high bleaching and impurity removal rate, and achieve the effects of less fiber damage, soft hand feeling and less environmental pollution
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[0011] Example 1
[0012] The bleaching process of the soft silk fiber knitted fabric of Example 1 includes placing the soft silk fiber knitted fabric in a bleaching solution for heating, and the concentrations of the components in the bleaching solution are: hydrogen peroxide 4-6ml / L, penetrant 1g / L L, sodium silicate 2g / L, the bleaching temperature is 90°C, the bleaching time is 40min, and the pH value of the bleaching solution is 10.
[0013] Among them, the liquor ratio of the soft silk fiber knitted fabric is 1:18, and the penetrant is fatty alcohol polyoxyethylene ether.
Example Embodiment
[0014] Example 2
[0015] The bleaching process of the soft silk fiber knitted fabric of embodiment 2 is characterized in that, comprising placing the soft silk fiber knitted fabric in a bleaching solution and heating, and the concentration of each component in the bleaching solution is: hydrogen peroxide 6ml / L, penetrant 1.5g / L, sodium silicate 2.5g / L, the bleaching temperature is 95°C, the bleaching time is 40-60min, and the pH value of the bleaching solution is 10.5.
[0016] Among them, the liquor ratio of the soft silk fiber knitted fabric is 1:20, and the penetrant is fatty alcohol polyoxyethylene ether.
Example Embodiment
[0017] Example 3
[0018] The bleaching process of the soft silk fiber knitted fabric of embodiment 3 is characterized in that, the soft silk fiber knitted fabric is placed in a bleaching solution for heating, and the concentration of each component in the bleaching solution is: hydrogen peroxide 4-6 ml / L, The penetrant is 1~1.5g / L, the sodium silicate is 2~2.5g / L, the bleaching temperature is 90~95℃, the bleaching time is 40~60min, and the pH value of the bleaching solution is 10~10.5.
[0019] Among them, the liquor ratio of the soft silk fiber knitted fabric is 1: (18-20), and the penetrant is fatty alcohol polyoxyethylene ether.
[0020] The volume fraction of hydrogen peroxide is 4-6 mL / L, the whiteness of the fabric increases greatly with the increase of the amount of hydrogen peroxide, and the strength loss of the fabric becomes more and more serious, indicating that the volume fraction of hydrogen peroxide is too high at this time.
[0021] As the pH value of the blea...
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