CN115961407A - Manufacturing process of yarn-dyed fabric with alternate dark and light colors - Google Patents
Manufacturing process of yarn-dyed fabric with alternate dark and light colors Download PDFInfo
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- CN115961407A CN115961407A CN202211672877.6A CN202211672877A CN115961407A CN 115961407 A CN115961407 A CN 115961407A CN 202211672877 A CN202211672877 A CN 202211672877A CN 115961407 A CN115961407 A CN 115961407A
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Abstract
The invention discloses a manufacturing process of yarn-dyed fabric with alternate dark and light colors, which relates to the technical field of weaving and comprises the following steps: (1) Dividing the cotton yarn into two parts, namely A part and B part, preprocessing the A part, and not preprocessing the B part; (2) Carrying out dark color dyeing treatment on the pretreated A cotton yarn; (3) Performing light color dyeing treatment on the yarn B, wherein the dyed dye B and the dyed dye A have the same color; (4) Respectively soaping the cotton yarn A subjected to deep color treatment and the cotton yarn B subjected to light color dyeing treatment, and then washing and drying; (5) Weaving according to the depth, the number and the preset width of the yarns to obtain yarn-dyed fabric; the yarn-dyed fabric with the color difference between dark and light colors prepared by the method has excellent color fastness, the service life is greatly prolonged, and the fading period is delayed.
Description
Technical Field
The invention belongs to the technical field of weaving, and particularly relates to a manufacturing process of yarn-dyed fabric with alternate dark and light colors.
Background
In daily life, some products of fabrics with the same color but alternate shades are often used, such as stripes or lattice bed sheets, socks and the like with the same color, the dark color and the light color.
The invention discloses a manufacturing method of colored woven cloth with alternate dark and light colors, which belongs to the prior art and has application number 201210167167.8, and comprises the steps of reactive dyeing and resin finishing, wherein the reactive dyeing comprises the following steps: after the dyeing process is finished, adding a water repellent agent and acetic acid into a dye vat for treating light-colored warps, wherein the dosage of the water repellent agent is 1g-10g per liter of water, the dosage of the acetic acid is 0.1g-0.2g per liter of water, the water temperature in the dye vat is 30-80 ℃, and soaking the warps for 5-30 minutes and then taking out. The invention solves the problem that the dyed fabric with alternate dark and light colors has bubbles after washing due to color depth difference in the post-finishing process, and separately processes yarns with different colors by improving the active dyeing process step in the manufacturing method of the colored woven fabric, thereby solving the problem that the cloth after being finished by resin has bubbles after washing. However, when the yarn-dyed fabric prepared by the prior art is further subjected to yarn-dyed fabric with alternate dark and light colors, the problem of color fastness reduction is easy to occur, so that the service life of the color is greatly reduced, and the color fading phenomenon is serious after a period of time.
Therefore, further improvements to the prior art are needed.
Disclosure of Invention
The invention aims to provide a manufacturing process of yarn-dyed fabric with alternate dark and light colors, so as to solve the defects in the prior art.
The technical scheme adopted by the invention is as follows:
the manufacturing process of the yarn-dyed fabric with alternate dark and light colors comprises the following steps: the method comprises the following steps:
(1) Dividing cotton yarn into two parts, namely A part and B part, pretreating the A part, and not pretreating the B part;
(2) Carrying out deep color dyeing treatment on the pretreated A part of cotton yarn;
(3) Carrying out light-color dyeing treatment on the yarn B, wherein the dyed dye B and the dyed dye A have the same color;
(4) Respectively soaping the cotton yarn A subjected to deep color treatment and the cotton yarn B subjected to light color dyeing treatment, then washing with water and drying;
(5) And weaving according to the depth, the number and the preset width of the yarns to obtain the yarn-dyed fabric.
As a further technical scheme: the pretreatment in the step (1) comprises the following steps:
firstly, soaking cotton yarn A by adopting clear water for 30-40min at the soaking temperature of 50-60 ℃, then taking out, then adding the soaked cotton yarn A into a sodium carbonate solution, then adding maleic anhydride and sodium stearate into the sodium carbonate solution, adjusting the temperature to 60-65 ℃, preserving heat, stirring for 40min, then filtering, washing to be neutral, and drying to obtain the cotton yarn A;
the drying temperature was 60 ℃.
As a further technical scheme: the mixing mass ratio of the cotton yarn A to the sodium carbonate solution is 1;
the mass fraction of the sodium carbonate solution is 3.5-5%;
the mixing mass ratio of the sodium carbonate solution, the maleic anhydride and the sodium stearate is 25-1.5.
As a further technical scheme: the dark dyeing treatment comprises the following steps:
adding the cotton yarn A and the dark dye liquor into a dye vat, adjusting the temperature to 60-65 ℃, preserving the heat for 10min, then adding sodium sulfate, continuing stirring for 15min, then adding sodium carbonate, adjusting the temperature to 70-75 ℃, preserving the heat for stirring for 1 hour, then taking out, and drying to obtain the cotton yarn.
As a further technical scheme: the deep color dyeing bath ratio of the cotton yarn A is 1;
the dark dye liquor, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:2-3:4-5.
As a further technical scheme: the dark dye solution is prepared from the following components in parts by weight: 10-15 parts of reactive dye, 6-12 parts of ethylene glycol, 2-3 parts of sodium lignosulfonate, 0.5-1 part of N-methyl taurate, 1-1.5 parts of N-octyl mangosteen peel polyphenol compound and 40-50 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, stirring uniformly to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting under the protection of inert atmosphere for 30min, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10.
As a further technical scheme: and (3) carrying out light color dyeing treatment:
adding the second part of cotton yarn and the light-color dye solution into a dye vat, adjusting the temperature to 50-55 ℃, preserving the heat for 10min, then adding sodium sulfate, continuing stirring for 12min, then adding sodium carbonate, adjusting the temperature to 60-65 ℃, preserving the heat for stirring for 1 hour, then taking out, and drying to obtain the cotton yarn.
As a further technical scheme: the dark dyeing bath ratio of the cotton yarn in the second part is 1;
the light-color dye solution, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:1-2:3-4.
As a further technical scheme: the light-color dye solution is prepared from the following components in parts by weight: 6-10 parts of reactive dye, 8-15 parts of ethylene glycol, 2-3 parts of sodium lignosulfonate, 0.5-1 part of N-methyl taurate, 0.6-1 part of N-octyl mangosteen peel polyphenol compound and 50-55 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, uniformly stirring to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting under the protection of inert atmosphere for 30min, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10.
As a further technical scheme: the reactive dye comprises at least one or a mixture of more of reactive red dye, reactive yellow dye, reactive blue dye and reactive black dye.
According to the invention, through the pretreatment of the first cotton yarn, the cotton fiber can be fully swelled, so that the smooth reaction of the active ingredients in the cellulose crystal structure can be further promoted, more dye molecules can be combined with the cotton yarn, the color depth of the dyed cotton yarn is deepened, and meanwhile, the cotton yarn has certain drapability and crease resistance.
According to the invention, the first part of cotton yarn and the second part of cotton yarn are respectively treated, so that the coloring capacity and the mechanical quality of the cotton yarn can be obviously improved.
Through the pretreatment of the first cotton yarn, the capability of combining dye molecules of cotton yarn fibers can be improved and the attachment amount of the cotton yarn fibers to the dye molecules can be increased on the premise of not influencing the mechanical quality of the cotton yarn.
The dye liquor is introduced with the N-methyl sodium taurate and N-octyl mangosteen pericarp polyphenol compound, so that the active dye molecules can be promoted to rapidly permeate into cotton yarn fibers and are tightly combined with the cotton yarns, the color fastness of dyed yarn-dyed cloth is greatly improved, the dyeing efficiency of the dye can be greatly improved through the stable combination of the dyeing molecules in the internal tissues of the cotton yarns, and the production cost is saved.
Has the beneficial effects that:
the dark and light color intergenic yarn-dyed fabric prepared by the invention has excellent color fastness, the service life is greatly prolonged, the fading period is delayed, meanwhile, the cotton yarn is dyed by adopting the reactive dye, and the processes of diffusion, adsorption combination and fixation of dye molecules in cotton fibers can be completed by matching with the synergistic promotion effect of other components, so that the color-dyed fabric has excellent dyeing fastness, level dyeing property and good reproducibility.
Drawings
FIG. 1 is a graph comparing the effect of different N-octyl mangosteen pericarp polyphenol complexes in parts by weight on the K/S value of cotton yarn in parts by weight.
Detailed Description
Example 1
The manufacturing process of the yarn-dyed fabric with alternate dark and light colors comprises the following steps: the method comprises the following steps:
(1) Dividing the cotton yarn into two parts, namely A part and B part, preprocessing the A part, and not preprocessing the B part;
(2) Carrying out deep color dyeing treatment on the pretreated A part of cotton yarn;
(3) Performing light color dyeing treatment on the yarn B, wherein the dyed dye B and the dyed dye A have the same color;
(4) Respectively soaping the cotton yarn A subjected to deep color treatment and the cotton yarn B subjected to light color dyeing treatment, and then washing and drying;
(5) And weaving according to the depth, the number and the preset width of the yarns to obtain the yarn-dyed fabric.
The pretreatment in the step (1) comprises the following steps:
firstly, soaking cotton yarn A by adopting clear water for 30min at the soaking temperature of 50 ℃, then taking out, then adding the soaked cotton yarn A into a sodium carbonate solution, then adding maleic anhydride and sodium stearate into the sodium carbonate solution, adjusting the temperature to 60 ℃, preserving the temperature, stirring for 40min, then filtering, washing to be neutral, and drying;
the drying temperature was 60 ℃.
The mixing mass ratio of the cotton yarn A to the sodium carbonate solution is 1;
the mass fraction of the sodium carbonate solution is 3.5 percent;
the mixing mass ratio of the sodium carbonate solution, maleic anhydride and sodium stearate is 25.
The dark dyeing treatment comprises the following steps:
adding the first part of cotton yarn and the dark dye solution into a dye vat, adjusting the temperature to 60 ℃, preserving heat for 10min, then adding sodium sulfate, continuing stirring for 15min, then adding sodium carbonate, adjusting the temperature to 70 ℃, preserving heat and stirring for 1 hour, then taking out, and drying.
The deep color dyeing bath ratio of the cotton yarn A is 1;
the dark dye solution, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:2:4.
The dark dye liquor is prepared from the following components in parts by weight: 10 parts of reactive dye, 6 parts of ethylene glycol, 2 parts of sodium lignosulfonate, 0.5 part of N-methyl sodium taurate, 1 part of N-octyl mangosteen peel polyphenol compound and 40 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, stirring uniformly to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting under the protection of inert atmosphere for 30min, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10.
And (3) carrying out light color dyeing treatment:
adding the second part of cotton yarn and the light-color dye solution into a dye vat, adjusting the temperature to 50 ℃, preserving the heat for 10min, then adding sodium sulfate, continuing stirring for 12min, then adding sodium carbonate, adjusting the temperature to 60 ℃, preserving the heat for stirring for 1 hour, then taking out, and drying.
The dark dyeing bath ratio of the cotton yarn in the second part is 1;
the light-color dye solution, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:1:3.
The light-color dye solution is prepared from the following components in parts by weight: 6 parts of reactive dye, 8 parts of ethylene glycol, 2 parts of sodium lignosulfonate, 0.5 part of N-methyl sodium taurate, 0.6 part of N-octyl mangosteen peel polyphenol compound and 50 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, stirring uniformly to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting under the protection of inert atmosphere for 30min, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10. The reactive dye comprises at least one or a mixture of reactive red dye, reactive yellow dye, reactive blue dye and reactive black dye.
Example 2
The manufacturing process of the yarn-dyed fabric with alternate dark and light colors comprises the following steps: the method comprises the following steps:
(1) Dividing the cotton yarn into two parts, namely A part and B part, preprocessing the A part, and not preprocessing the B part;
(2) Carrying out dark color dyeing treatment on the pretreated A cotton yarn;
(3) Performing light color dyeing treatment on the yarn B, wherein the dyed dye B and the dyed dye A have the same color;
(4) Respectively soaping the cotton yarn A subjected to deep color treatment and the cotton yarn B subjected to light color dyeing treatment, and then washing and drying;
(5) And weaving according to the depth, the number and the preset width of the yarns to obtain the yarn-dyed fabric.
The pretreatment in the step (1) comprises the following steps:
firstly, soaking cotton yarn A in clear water for 32 min at the soaking temperature of 55 ℃, taking out, adding the soaked cotton yarn A into a sodium carbonate solution, then adding maleic anhydride and sodium stearate into the sodium carbonate solution, adjusting the temperature to 62 ℃, preserving the heat, stirring for 40min, then filtering, washing to be neutral, and drying;
the drying temperature was 60 ℃.
The mixing mass ratio of the cotton yarn A to the sodium carbonate solution is 1;
the mass fraction of the sodium carbonate solution is 4%;
the mixing mass ratio of the sodium carbonate solution, the maleic anhydride and the sodium stearate is 25.2.
The dark color dyeing treatment comprises the following steps:
adding the first part of cotton yarn and the dark dye solution into a dye vat, adjusting the temperature to 62 ℃, preserving heat for 10min, then adding sodium sulfate, continuing stirring for 15min, then adding sodium carbonate, adjusting the temperature to 72 ℃, preserving heat and stirring for 1 hour, then taking out, and drying.
The deep color dyeing bath ratio of the cotton yarn A is 1;
the dark dye solution, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:2.5:4.5.
The dark dye solution is prepared from the following components in parts by weight: 12 parts of reactive dye, 8 parts of ethylene glycol, 2.3 parts of sodium lignosulfonate, 0.7 part of N-methyl sodium taurate, 1.2 parts of N-octyl mangosteen pericarp polyphenol compound and 45 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, stirring uniformly to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting under the protection of inert atmosphere for 30min, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10.
And (3) carrying out light color dyeing treatment:
adding the second cotton yarn and the light-color dye liquor into a dye vat, adjusting the temperature to 52 ℃, preserving heat for 10min, then adding sodium sulfate, continuing stirring for 12min, then adding sodium carbonate, adjusting the temperature to 62 ℃, preserving heat, stirring for 1 hour, then taking out, and drying.
The dark dyeing bath ratio of the cotton yarn in the second part is 1;
the light-color dye solution, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:1.2:3.5.
The light-color dye solution is prepared from the following components in parts by weight: 8 parts of reactive dye, 12 parts of ethylene glycol, 2.5 parts of sodium lignosulfonate, 0.8 part of N-methyl taurate, 0.8 part of N-octyl mangosteen peel polyphenol compound and 53 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, stirring uniformly to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting under the protection of inert atmosphere for 30min, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10. The reactive dye comprises at least one or a mixture of more of reactive red dye, reactive yellow dye, reactive blue dye and reactive black dye.
Example 3
The manufacturing process of the yarn-dyed fabric with alternate dark and light colors comprises the following steps: the method comprises the following steps:
(1) Dividing the cotton yarn into two parts, namely A part and B part, preprocessing the A part, and not preprocessing the B part;
(2) Carrying out deep color dyeing treatment on the pretreated A part of cotton yarn;
(3) Carrying out light-color dyeing treatment on the yarn B, wherein the dyed dye B and the dyed dye A have the same color;
(4) Respectively soaping the cotton yarn A subjected to deep color treatment and the cotton yarn B subjected to light color dyeing treatment, and then washing and drying;
(5) And weaving according to the depth, the number and the preset width of the yarns to obtain the yarn-dyed fabric.
The pretreatment in the step (1) comprises the following steps:
firstly, soaking 38 min of cotton yarn in clear water at the soaking temperature of 56 ℃, taking out, adding the soaked cotton yarn to a sodium carbonate solution, adding maleic anhydride and sodium stearate to the sodium carbonate solution, adjusting the temperature to 63 ℃, preserving the temperature, stirring 40min, filtering, washing to be neutral, and drying;
the drying temperature was 60 ℃.
The mixing mass ratio of the cotton yarn A to the sodium carbonate solution is 1;
the mass fraction of the sodium carbonate solution is 4.5 percent;
the mixing mass ratio of the sodium carbonate solution, the maleic anhydride and the sodium stearate is 25.2.
The dark dyeing treatment comprises the following steps:
adding the first part of cotton yarn and the dark dye solution into a dye vat, adjusting the temperature to 65 ℃, preserving the heat for 10min, then adding sodium sulfate, continuing stirring for 15min, then adding sodium carbonate, adjusting the temperature to 70 ℃, preserving the heat for stirring for 1 hour, then taking out, and drying.
The deep color dyeing bath ratio of the cotton yarn A is 1;
the dark dye liquor, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:3:5.
The dark dye solution is prepared from the following components in parts by weight: 13 parts of reactive dye, 10 parts of ethylene glycol, 2.6 parts of sodium lignosulfonate, 0.8 part of N-methyl sodium taurate, 1.3 parts of N-octyl mangosteen pericarp polyphenol compound and 45 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, stirring uniformly to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting under the protection of inert atmosphere for 30min, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10.
And (3) carrying out light color dyeing treatment:
adding the second part of cotton yarn and the light-color dye solution into a dye vat, adjusting the temperature to 54 ℃, preserving the heat for 10min, then adding sodium sulfate, continuing stirring for 12min, then adding sodium carbonate, adjusting the temperature to 62 ℃, preserving the heat, stirring for 1 hour, then taking out, and drying.
The dark dyeing bath ratio of the cotton yarn in the second part is 1;
the light color dye solution, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:1.8:3.5.
The light-color dye solution is prepared from the following components in parts by weight: 9 parts of reactive dye, 14 parts of ethylene glycol, 2.5 parts of sodium lignosulfonate, 0.7 part of N-methyl sodium taurate, 0.9 part of N-octyl mangosteen pericarp polyphenol compound and 52 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, uniformly stirring to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting under the protection of inert atmosphere for 30min, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10. The reactive dye comprises at least one or a mixture of reactive red dye, reactive yellow dye, reactive blue dye and reactive black dye.
Example 4
The manufacturing process of the yarn-dyed fabric with alternate dark and light colors comprises the following steps: the method comprises the following steps:
(1) Dividing the cotton yarn into two parts, namely A part and B part, preprocessing the A part, and not preprocessing the B part;
(2) Carrying out dark color dyeing treatment on the pretreated A cotton yarn;
(3) Carrying out light-color dyeing treatment on the yarn B, wherein the dyed dye B and the dyed dye A have the same color;
(4) Respectively soaping the cotton yarn A subjected to deep color treatment and the cotton yarn B subjected to light color dyeing treatment, and then washing and drying;
(5) And weaving according to the depth, the number and the preset width of the yarns to obtain the yarn-dyed fabric.
The pretreatment in the step (1) comprises the following steps:
firstly, soaking cotton yarn A by using clear water for 40min at the soaking temperature of 60 ℃, then taking out, then adding the soaked cotton yarn A into a sodium carbonate solution, then adding maleic anhydride and sodium stearate into the sodium carbonate solution, adjusting the temperature to 65 ℃, preserving the temperature, stirring for 40min, then filtering, washing to be neutral, and drying;
the drying temperature was 60 ℃.
The mixing mass ratio of the cotton yarn A to the sodium carbonate solution is 1;
the mass fraction of the sodium carbonate solution is 5 percent;
the mixing mass ratio of the sodium carbonate solution, the maleic anhydride and the sodium stearate is 25.5.
The dark dyeing treatment comprises the following steps:
adding the first part of cotton yarn and the dark dye solution into a dye vat, adjusting the temperature to 65 ℃, preserving heat for 10min, then adding sodium sulfate, continuing stirring for 15min, then adding sodium carbonate, adjusting the temperature to 75 ℃, preserving heat, stirring for 1 hour, then taking out, and drying.
The deep color dyeing bath ratio of the cotton yarn A is 1;
the dark dye solution, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:3:5.
The dark dye liquor is prepared from the following components in parts by weight: 15 parts of reactive dye, 12 parts of ethylene glycol, 3 parts of sodium lignosulfonate, 1 part of N-methyl sodium taurate, 1.5 parts of N-octyl mangosteen peel polyphenol compound and 50 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, stirring uniformly to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting under the protection of inert atmosphere for 30min, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10.
And (3) carrying out light color dyeing treatment:
adding the second part of cotton yarn and the light-color dye solution into a dye vat, adjusting the temperature to 55 ℃, preserving the heat for 10min, then adding sodium sulfate, continuing stirring for 12min, then adding sodium carbonate, adjusting the temperature to 65 ℃, preserving the heat for stirring for 1 hour, then taking out, and drying.
The dark dyeing bath ratio of the cotton yarn in the second part is 1;
the light color dye solution, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:2:4.
The light-color dye solution is prepared from the following components in parts by weight: 10 parts of reactive dye, 15 parts of ethylene glycol, 3 parts of sodium lignosulfonate, 1 part of N-methyl sodium taurate, 1 part of N-octyl mangosteen peel polyphenol compound and 55 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, stirring uniformly to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting under the protection of inert atmosphere for 30min, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10.
The reactive dye comprises at least one or a mixture of reactive red dye, reactive yellow dye, reactive blue dye and reactive black dye.
Comparative example 1: the difference from the embodiment 1 is that the dye liquor is not added with the N-octyl mangosteen pericarp polyphenol compound;
comparative example 2: the difference from example 1 is that the N-octyl mangosteen pericarp polyphenol complex is replaced by N-octyl mangosteen pericarp polyphenol;
the apparent color yield of the dyed fabric is generally represented by a K/S value, under certain conditions, the larger the K/S value is, the darker the color is, and an SF600X Datacolor color measuring spectrometer is adopted to test the K/S values of the cotton yarns A and the cotton yarns B:
TABLE 1
It can be seen from table 1 that the cotton yarn prepared by the method of the invention has obviously darker color of the first part cotton yarn and lighter color of the second part cotton yarn after dyeing.
Carrying out color change fastness detection by referring to a GB/T3921-2008 textile color fastness test;
TABLE 2
As can be seen from Table 2, the cotton yarn treated according to the present invention has excellent color fastness.
Measuring the color fastness to sunlight; cotton yarns were tested according to GB/T7069-1997: comparing;
TABLE 3
| Color fastness to sunlight/grade | |
| Example 1 | 4 |
| Example 2 | 4 |
| Example 3 | 4 |
| Example 4 | 4 |
| Comparative example 1 | 1 |
As can be seen from Table 3, the color fastness to sunlight of the cotton yarn treated by the present invention is greatly improved.
The effect of different parts by weight of the N-octyl mangosteen pericarp polyphenol complex on the K/S value of cotton yarn was compared, based on the sample of example 1, as shown in figure 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the present invention is not limited to the illustrated embodiments, and all the modifications and equivalents of the embodiments may be made without departing from the spirit of the present invention.
Claims (10)
1. The manufacturing process of the yarn-dyed fabric with alternate dark and light colors is characterized in that: the method comprises the following steps:
(1) Dividing the cotton yarn into two parts, namely A part and B part, preprocessing the A part, and not preprocessing the B part;
(2) Carrying out deep color dyeing treatment on the pretreated A part of cotton yarn;
(3) Carrying out light-color dyeing treatment on the yarn B, wherein the dyed dye B and the dyed dye A have the same color;
(4) Respectively soaping the cotton yarn A subjected to deep color treatment and the cotton yarn B subjected to light color dyeing treatment, and then washing and drying;
(5) And weaving according to the depth, the number and the preset width of the yarns to obtain the yarn-dyed fabric.
2. The manufacturing process of the yarn-dyed fabric with alternate dark colors and light colors according to claim 1 is characterized in that: the pretreatment in the step (1) comprises the following steps:
firstly, soaking cotton yarn A in clear water for 30-40min at 50-60 ℃, then taking out, then adding the soaked cotton yarn A into a sodium carbonate solution, then adding maleic anhydride and sodium stearate into the sodium carbonate solution, adjusting the temperature to 60-65 ℃, keeping the temperature and stirring for 40min, then filtering, washing to be neutral, and drying;
the drying temperature was 60 ℃.
3. The manufacturing process of the yarn-dyed fabric with alternate dark colors and light colors according to claim 2 is characterized in that: the mixing mass ratio of the cotton yarn A to the sodium carbonate solution is 1;
the mass fraction of the sodium carbonate solution is 3.5-5%;
the mixing mass ratio of the sodium carbonate solution, the maleic anhydride and the sodium stearate is 25-1.5.
4. The manufacturing process of the yarn-dyed fabric with alternate dark colors and light colors according to claim 2 is characterized in that: the dark dyeing treatment comprises the following steps:
adding the first part of cotton yarn and the dark dye solution into a dye vat, adjusting the temperature to 60-65 ℃, preserving heat for 10min, then adding sodium sulfate, continuing stirring for 15min, then adding sodium carbonate, adjusting the temperature to 70-75 ℃, preserving heat, stirring for 1 h, then taking out, and drying.
5. The process for manufacturing the yarn-dyed fabric with alternate dark colors and light colors according to claim 4, wherein the process comprises the following steps: the deep color dyeing bath ratio of the cotton yarn A is 1;
the dark dye solution, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:2-3:4-5.
6. The manufacturing process of the yarn-dyed fabric with alternate dark colors and light colors according to claim 4 is characterized in that: the dark dye solution is prepared from the following components in parts by weight: 10-15 parts of reactive dye, 6-12 parts of ethylene glycol, 2-3 parts of sodium lignosulfonate, 0.5-1 part of N-methyl taurate, 1-1.5 parts of N-octyl mangosteen peel polyphenol compound and 40-50 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, stirring uniformly to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting for 30min under the protection of inert atmosphere, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10.
7. The process for manufacturing the yarn-dyed fabric with alternate dark colors and light colors according to claim 1, is characterized in that: and (3) carrying out light color dyeing treatment:
adding the second part of cotton yarn and the light color dye solution into a dye vat, adjusting the temperature to 50-55 ℃, preserving heat for 10min, then adding sodium sulfate, continuing stirring for 12min, then adding sodium carbonate, adjusting the temperature to 60-65 ℃, preserving heat, stirring for 1 h, then taking out, and drying.
8. The manufacturing process of the yarn-dyed fabric with alternate dark colors and light colors according to claim 7 is characterized in that: the dark dyeing bath ratio of the cotton yarns in the second part is 1;
the light-color dye solution, sodium sulfate and sodium carbonate are mixed according to the mass ratio: 50:1-2:3-4.
9. The manufacturing process of the yarn-dyed fabric with alternate dark colors and light colors according to claim 8, is characterized in that: the light-color dye solution is prepared from the following components in parts by weight: 6-10 parts of reactive dye, 8-15 parts of ethylene glycol, 2-3 parts of sodium lignosulfonate, 0.5-1 part of N-methyl taurate, 0.6-1 part of N-octyl mangosteen peel polyphenol compound and 50-55 parts of deionized water;
the preparation method of the N-octyl mangosteen pericarp polyphenol compound comprises the following steps:
extracting mangosteen pericarp to obtain N-octyl mangosteen pericarp polyphenol, adding the obtained N-octyl mangosteen pericarp polyphenol into water, stirring uniformly to obtain an N-octyl mangosteen pericarp polyphenol solution, then adding into a reaction kettle, then adding a sodium hydroxide solution, stirring and reacting for 30min under the protection of inert atmosphere, and then carrying out spray drying to obtain an N-octyl mangosteen pericarp polyphenol compound;
the molar ratio of the N-octyl mangosteen pericarp polyphenol to the sodium hydroxide is 1;
the inert atmosphere is nitrogen;
the mass ratio of the active dye to the N-octyl mangosteen pericarp polyphenol compound is 10.
10. The manufacturing process of the dark and light color alternate yarn-dyed fabric according to claim 6 or 8, characterized in that: the reactive dye comprises at least one or a mixture of reactive red dye, reactive yellow dye, reactive blue dye and reactive black dye.
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| CN202211672877.6A CN115961407A (en) | 2022-12-26 | 2022-12-26 | Manufacturing process of yarn-dyed fabric with alternate dark and light colors |
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