CN109183443B - Dyeing process of cashmere and bamboo fiber blended yarn - Google Patents
Dyeing process of cashmere and bamboo fiber blended yarn Download PDFInfo
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- CN109183443B CN109183443B CN201810768310.6A CN201810768310A CN109183443B CN 109183443 B CN109183443 B CN 109183443B CN 201810768310 A CN201810768310 A CN 201810768310A CN 109183443 B CN109183443 B CN 109183443B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/96—Dyeing characterised by a short bath ratio
- D06P1/965—Foam dyeing
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8219—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and amide groups
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Abstract
The invention relates to a dyeing process of cashmere and bamboo fiber blended yarns, which specifically comprises the following steps: (1) preprocessing the blended yarn; (2) preparing a dye solution, and carrying out foaming treatment on the dye solution to produce foam; (3) coating the foam produced in the step two on the blended yarn pretreated in the step one through an ICP foam applicator for dyeing, wherein the foam can instantly permeate into the interior through the surface of the yarn fiber; (4) after the foam penetrates into the yarn, a compression roller is adopted to start squeezing, so that the foam is completely broken, and the solution penetrates into the yarn fiber; (5) fixing the blended yarns in a color fixing solution; (6) washing with water by using soap liquid; (7) and (5) steaming and drying the yarn. The dyeing by adopting the method of the invention can meet the requirements of water saving, energy saving and environmental protection, simultaneously reduces the damage of cashmere and bamboo fibers in the blended yarn and improves homochromatism.
Description
Technical Field
The invention relates to a yarn dyeing technology, in particular to a dyeing process of cashmere and bamboo fiber blended yarns.
Background
The cashmere occupies the market of high-grade textiles due to the characteristics of softness, smoothness, glutinous, lightness, warmness and the like, and is called as 'fiber queen'. The bamboo pulp fiber belongs to one of regenerated cellulose fibers, has good air permeability and instant water absorption, and has the functions of natural antibiosis, deodorization, ultraviolet resistance, static resistance and pilling resistance. The product made of the cashmere and bamboo fiber blended yarn has the advantages of the cashmere and bamboo fiber blended yarn and is popular with consumers. However, due to the problems of dye-uptake percentage and fixation rate, a large amount of alkali washing and water washing are needed after dyeing the cashmere, which causes the phenomena of high water consumption and energy consumption, heavy sewage discharge and the like. And the conventional dyeing method is easy to damage cashmere and bamboo fibers in the blended yarn, and has poor homochromatism.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a blending process of cashmere and bamboo fiber blended yarns.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a dyeing process of cashmere and bamboo fiber blended yarns specifically comprises the following steps:
step one, pretreatment: preprocessing the blended yarn;
step two, foaming: preparing a dye solution, and carrying out foaming treatment on the dye solution to produce foam;
step three, applying foam: coating the foam produced in the step two on the blended yarn pretreated in the step one through an ICP foam applicator for dyeing, wherein the foam can instantly permeate into the interior through the surface of the yarn fiber;
step four, pressing with a press roll: after the foam penetrates into the yarn, a compression roller is adopted to start squeezing, so that the foam is completely broken, and the solution penetrates into the yarn fiber;
step five, color fixation: fixing the blended yarn dyed by the squeezing and rolling in the color fixing solution;
step six, washing: washing the yarns subjected to the color fixing treatment in the fifth step with soap liquor;
step seven, steaming and drying: and (5) steaming and drying the yarn washed in the step six.
Further, the blending ratio of cashmere and bamboo fibers in the blended yarn is 30-50: 70-50 in dry weight; the blended yarn is skein.
Further, the specific operation method for pretreating the blended yarn in the step one comprises the following steps: firstly, under a room temperature environment, preparing a pretreatment solution according to 6101.0-1.3% (owf) of biochemical reagent, JFC 0.8-1.2 g/L, a bath ratio of 1: 25, and a pH value of 4.3-4.5, heating the pretreatment solution to 40-45 ℃, adding blended yarns, treating for 30-35 min, taking out the blended yarns, adding 0.45-0.55% (owf) of alkaline protease into the pretreatment solution, adjusting the pH value to 7.5-8.0, adding the blended yarns again, heating to 50-55 ℃, reacting for 20-25 min, cooling to 40-45 ℃, performing primary water washing, cooling to 22-23 ℃ after water washing, performing secondary water washing, and drying.
Further, the formula of the dye solution in the step two comprises the following raw materials: 3.5-4.5 g/L of penetrating agent JFC, 2.5-3.5 g/L of foaming agent Sodium Dodecyl Sulfate (SDS), 1.0-1.5 g/L of foam stabilizer carboxymethyl cellulose sodium (CMC), 0.45-0.55 g/L of polyacrylamide PAM, and 0.8-1.2% (owf) of alpha-bromoacrylamide active dye lanatin blue;
setting parameters of the foaming treatment in the second step are as follows: the MIX4885 type dyeing and foaming machine is adopted, the liquid feeding speed is 100-110 ml/min, the stirring speed is 330-350 r/min, the air inlet pressure is 0.4-0.6 MPa, and the foaming ratio of a foaming system is 6: 1; the obtained foam has a diameter of 5-6 μm and a half-life of 5 min.
Further, the setting parameters of the extrusion rolling in the fourth step are as follows: a PU-B horizontal padder is adopted, the air input is 180-220 ml/min, the roller rotating speed is 1.8-2.2 m/min, and the air inlet pressure is 0.35-0.45 MPa; the number of squeezing was 3.
Further, in the fifth step, the color fixing solution is 10-13% (owf) of soda ash, and the pH value is 7.5-8.5;
and the parameters of the color fixing treatment in the fifth step are as follows: the temperature is 80-85 ℃, and the color fixing time is 10-15 min.
Further, the water washing treatment in the sixth step adopts a soaking mode: soaking and washing for 5-10 min in soap liquid with the temperature of 60 ℃, the soap powder concentration of 10-12 g/L and the bath ratio of 1: 15.
Further, the setting parameters of the steaming drying in the seventh step are as follows: the steaming time is 25-35 min at the temperature of 115-125 ℃.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the reactive dye foam dyeing method is adopted to dye the cashmere and bamboo fiber blended yarn, compared with the traditional dyeing technology, the damage of cashmere and bamboo fibers in the blended yarn is effectively reduced by 40-50%, the dyeing uniformity is improved by 25-30%, the dyeing rate is increased by 20-30%, and the dye auxiliary agent is saved by 20-25%; the water is saved by 60-80%, the energy is saved by 50-60%, the dyeing fastness reaches level 4, and the dyeing technology is used for dyeing the cashmere and bamboo fiber blended yarn to obtain an excellent dyeing effect.
Detailed Description
The present invention will be described in further detail with reference to examples.
MIX4885 type dyeing and foaming machine: wenzhou Kage mechanical devices, Inc.;
PU-B horizontal padder: shengjie textile machinery, Inc., Thai;
ICP foam applicator: shanghai Technique electromechanical devices, Inc.;
QZX-0301 steam box: jiangsu Jingming machines, Inc.;
biochemical reagent 610 (tricarboxyethylphosphine): westernland city great industries chemical limited;
penetrant JFC (fatty alcohol-polyoxyethylene ether): guangzhou Hengyu chemical Co., Ltd.
Example 1
A dyeing process of cashmere and bamboo fiber blended yarns specifically comprises the following steps:
firstly, preprocessing blended yarns;
the specific operation method for pretreating the blended yarns comprises the following steps: firstly, in a room temperature environment, according to 6101.0% (owf) of biochemical reagent, 0.8g/L of JFC (penetrating agent) and a bath ratio of 1: 25, adjusting the pH to 4.3, preparing a pretreatment solution, heating the pretreatment solution to 40 ℃, adding blended yarns, treating for 30min, taking out the blended yarns, adding 0.45% (owf) of alkaline protease into the pretreatment solution, adjusting the pH to 7.5, adding the blended yarns again, heating to 50 ℃, reacting for 20min, cooling to 40 ℃, performing primary water washing, cooling to 22 ℃ after water washing, performing secondary water washing, and drying to obtain the yarn;
the blending ratio of the cashmere and the bamboo fiber in the blended yarn is 30: 70 according to dry weight; the blended yarn is skein;
step two, preparing a dye solution, and carrying out foaming treatment on the dye solution to produce foam;
the formula of the dye solution comprises the following raw materials: 3.5g/L of penetrating agent JFC, 2.5g/L of foaming agent Sodium Dodecyl Sulfate (SDS), 1.0g/L of foam stabilizer carboxymethylcellulose sodium (CMC), 0.45g/L of polyacrylamide PAM, and 0.8 percent of alpha-bromo-acrylamide active dye lanatine blue ((owf));
the setting parameters of the foaming treatment are as follows: the MIX4885 type dyeing and foaming machine is adopted, the liquid feeding speed is 100ml/min, the stirring speed is 330r/min, the air inlet pressure is 0.4MPa, and the foaming ratio of a foaming system is 6: 1; the diameter of the obtained foam is 6 μm, and the half-life period is 5 min;
step three, coating the foam produced in the step two on the blended yarn pretreated in the step one through an ICP foam applicator for dyeing, wherein the foam can instantly permeate into the interior through the surface of the yarn fiber;
after the foam penetrates into the yarn, a compression roller is adopted to start squeezing, so that the foam is completely broken, and the solution penetrates into the yarn fiber;
the set parameters of the extrusion rolling are as follows: adopting a PU-B horizontal padder, wherein the air inflow is 180ml/min, the roller rotating speed is 1.8m/min, and the air inlet pressure is 0.35 MPa; the number of times of extrusion and rolling is 3;
fifthly, fixing the blended yarn dyed by the squeezing and rolling in the fixing solution;
the color fixing solution is 10% (owf) of soda ash, and the pH value is 7.5;
the parameters of the fixation treatment are as follows: the temperature is 80 ℃, and the color fixing time is 10 min;
step six, washing the yarns subjected to the color fixing treatment in the step five by using soap liquor;
the water washing treatment adopts a soaking mode: soaking and washing for 5min in soap solution at 60 deg.C and soap powder concentration of 10g/L at bath ratio of 1: 15;
step seven, steaming and drying the yarn washed in the step six;
the set parameters of the steaming drying are as follows: steaming at 115 deg.C for 25min in QZX-0301 steam box.
Compared with the traditional dyeing method, the method effectively reduces the damage of cashmere and bamboo fibers in the blended yarn by 40%, improves the dyeing uniformity by 25%, increases the dye uptake by 20%, and saves the dye auxiliary agent by 20%; 60 percent of water is saved, 50 percent of energy is saved, and the dyeing fastness reaches 4 grade.
Example 2
A dyeing process of cashmere and bamboo fiber blended yarns specifically comprises the following steps:
firstly, preprocessing blended yarns;
the specific operation method for pretreating the blended yarns comprises the following steps: firstly, in a room temperature environment, according to 6101.2% (owf) of biochemical reagent, 1.0g/L of JFC (penetrating agent) and a bath ratio of 1: 25, adjusting the pH to 4.4, preparing a pretreatment solution, heating the pretreatment solution to 43 ℃, adding the blended yarn, treating for 33min, taking out the blended yarn, then adding 0.50% (owf) of alkaline protease into the pretreatment solution, adjusting the pH to 7.8, adding the blended yarn again, heating to 53 ℃, reacting for 23min, cooling to 43 ℃, performing primary water washing, cooling to 22 ℃ after water washing, performing secondary water washing, and drying to obtain the yarn;
the blending ratio of the cashmere and the bamboo fiber in the blended yarn is 30: 70 according to dry weight; the blended yarn is skein;
step two, preparing a dye solution, and carrying out foaming treatment on the dye solution to produce foam;
the formula of the dye solution comprises the following raw materials: 4.0g/L of penetrating agent JFC, 3.0g/L of foaming agent Sodium Dodecyl Sulfate (SDS), 1.3g/L of foam stabilizer carboxymethylcellulose sodium (CMC), 0.5g/L of polyacrylamide PAM, and 1.0 percent of alpha-bromoacrylamide active dye lanatine blue ((owf));
the setting parameters of the foaming treatment are as follows: the MIX4885 type dyeing and foaming machine is adopted, the liquid feeding speed is 105ml/min, the stirring speed is 340r/min, the air inlet pressure is 0.5MPa, and the foaming ratio of a foaming system is 6: 1; the obtained foam has a diameter of 5.5 μm and a half-life of 5 min;
step three, coating the foam produced in the step two on the blended yarn pretreated in the step one through an ICP foam applicator for dyeing, wherein the foam can instantly permeate into the interior through the surface of the yarn fiber;
after the foam penetrates into the yarn, a compression roller is adopted to start squeezing, so that the foam is completely broken, and the solution penetrates into the yarn fiber;
the set parameters of the extrusion rolling are as follows: adopting a PU-B horizontal padder, wherein the air input is 200ml/min, the roller rotating speed is 2.0m/min, the air inlet pressure is 0.40MPa, and the extrusion rolling times are 3 times;
fifthly, fixing the blended yarn dyed by the squeezing and rolling in the fixing solution;
the color fixing solution is 10% (owf) of soda ash, and the pH value is 8.0;
the parameters of the fixation treatment are as follows: the temperature is 80 ℃, and the color fixing time is 13 min;
step six, washing the yarns subjected to the color fixing treatment in the step five by using soap liquor;
the water washing treatment adopts a soaking mode: soaking and washing for 8min in soap solution at 60 deg.C and soap powder concentration of 11g/L at bath ratio of 1: 15;
step seven, steaming and drying the yarn washed in the step six;
the set parameters of the steaming drying are as follows: steaming at 120 deg.C for 30min in QZX-0301 steam box.
Compared with the traditional dyeing method, the method effectively reduces the damage of cashmere and bamboo fibers in the blended yarn by 45%, improves the dyeing uniformity by 27.5%, increases the dye-uptake by 25%, and saves the dye auxiliary agent by 22.5%; the water is saved by 70 percent, the energy is saved by 55 percent, and the dyeing fastness reaches 4 grade.
Example 3
A dyeing process of cashmere and bamboo fiber blended yarns specifically comprises the following steps:
firstly, preprocessing blended yarns;
the specific operation method for pretreating the blended yarns comprises the following steps: firstly, in a room temperature environment, according to 6101.3% (owf) of biochemical reagent, 1.2g/L of JFC (penetrating agent), a bath ratio of 1: 25 and a pH value of 4.5, preparing a pretreatment solution, heating the pretreatment solution to 45 ℃, adding blended yarns, treating for 35min, taking out the blended yarns, adding 0.55% (owf) of alkaline protease into the pretreatment solution, adjusting the pH value to 8.0, adding the blended yarns again, heating to 55 ℃, reacting for 25min, cooling to 45 ℃, performing primary water washing, cooling to 23 ℃ after water washing, performing secondary water washing, and drying to obtain the yarn;
the blending ratio of the cashmere and the bamboo fiber in the blended yarn is 30: 70 according to dry weight; the blended yarn is skein;
step two, preparing a dye solution, and carrying out foaming treatment on the dye solution to produce foam;
the formula of the dye solution comprises the following raw materials: 4.5g/L of penetrating agent JFC, 3.5g/L of foaming agent Sodium Dodecyl Sulfate (SDS), 1.5g/L of foam stabilizer carboxymethylcellulose sodium (CMC), 0.55g/L of polyacrylamide PAM0, and 1.2 percent of alpha-bromoacrylamide active dye lanatine blue ((owf));
the setting parameters of the foaming treatment are as follows: the MIX4885 type dyeing and foaming machine is adopted, the liquid feeding speed is 110ml/min, the stirring speed is 350r/min, the air inlet pressure is 0.6MPa, and the foaming ratio of a foaming system is 6: 1; the diameter of the obtained foam is 5 μm, and the half-life period is 5 min;
step three, coating the foam produced in the step two on the blended yarn pretreated in the step one through an ICP foam applicator for dyeing, wherein the foam can instantly permeate into the interior through the surface of the yarn fiber;
after the foam penetrates into the yarn, a compression roller is adopted to start squeezing, so that the foam is completely broken, and the solution penetrates into the yarn fiber;
the set parameters of the extrusion rolling are as follows: adopting a PU-B horizontal padder, wherein the air inflow is 220ml/min, the roller rotating speed is 2.2m/min, the air inlet pressure is 0.45MPa, and the extrusion rolling times are 3 times;
fifthly, fixing the blended yarn dyed by the squeezing and rolling in the fixing solution;
the color fixing solution is 10% (owf) of soda ash, and the pH value is 8.5;
the parameters of the fixation treatment are as follows: the temperature is 85 ℃, and the color fixing time is 15 min;
step six, washing the yarns subjected to the color fixing treatment in the step five by using soap liquor;
the water washing treatment adopts a soaking mode: soaking and washing for 10min in soap solution at 60 deg.C and soap powder concentration of 12g/L at bath ratio of 1: 15;
step seven, steaming and drying the yarn washed in the step six;
the set parameters of the steaming drying are as follows: steaming at 125 deg.C for 35min in QZX-0301 steam box.
Compared with the traditional dyeing method, the method effectively reduces the damage of cashmere and bamboo fibers in the blended yarn by 50%, improves the dyeing uniformity by 30%, increases the dye uptake by 30%, and saves the dye auxiliary agent by 25%; water is saved by 80 percent, energy is saved by 60 percent, and the dyeing fastness reaches 4 level.
The embodiments described above are only preferred embodiments of the invention and are not exhaustive of the possible implementations of the invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.
Claims (4)
1. A dyeing process of cashmere and bamboo fiber blended yarns is characterized by comprising the following steps:
step one, pretreatment: preprocessing the blended yarn;
the specific operation method for pretreating the blended yarns in the first step comprises the following steps: firstly, under a room temperature environment, preparing a pretreatment solution according to 6101.0-1.3% (owf) of a biochemical reagent, JFC 0.8-1.2 g/L, a bath ratio of 1: 25, and a pH value of 4.3-4.5, heating the pretreatment solution to 40-45 ℃, adding blended yarns, treating for 30-35 min, taking out the blended yarns, adding 0.45-0.55% (owf) of alkaline protease into the pretreatment solution, adjusting the pH value to 7.5-8.0, adding the blended yarns again, heating to 50-55 ℃, reacting for 20-25 min, cooling to 40-45 ℃, performing primary water washing, cooling to 22-23 ℃ after water washing, performing secondary water washing, and drying;
step two, foaming: preparing a dye solution, and carrying out foaming treatment on the dye solution to produce foam;
the formula of the dye solution in the step two comprises the following raw materials: 3.5-4.5 g/L of penetrating agent JFC, 2.5-3.5 g/L of foaming agent sodium dodecyl sulfate, 1.0-1.5 g/L of foam stabilizer carboxymethylcellulose sodium, 0.45-0.55 g/L of polyacrylamide, and 0.8-1.2% (owf) of alpha-bromoacrylamide reactive dye Lannacin blue;
setting parameters of the foaming treatment in the second step are as follows: the MIX4885 type dyeing and foaming machine is adopted, the liquid feeding speed is 100-110 mL/min, the stirring speed is 330-350 r/min, the air inlet pressure is 0.4-0.6 MPa, and the foaming ratio of a foaming system is 6: 1; the diameter of the obtained foam is 5-6 mu m, and the half-life period is 5 min;
step three, applying foam: coating the foam produced in the step two on the blended yarn pretreated in the step one through an ICP foam applicator for dyeing, wherein the foam can instantly permeate into the interior through the surface of the yarn fiber;
step four, pressing with a press roll: after the foam penetrates into the yarn, a compression roller is adopted to start squeezing, so that the foam is completely broken, and the solution penetrates into the yarn fiber;
the extrusion rolling in the fourth step has the following setting parameters: a PU-B horizontal padder is adopted, the air input is 180-220 mL/min, the roller rotating speed is 1.8-2.2 m/min, and the air inlet pressure is 0.35-0.45 MPa; the number of times of extrusion and rolling is 3;
step five, color fixation: fixing the blended yarn dyed by the squeezing and rolling in the color fixing solution;
step six, washing: washing the yarns subjected to the color fixing treatment in the fifth step with soap liquor;
in the sixth step, the water washing treatment adopts a soaking mode: soaking and washing for 5-10 min in soap liquid with the temperature of 60 ℃, the soap powder concentration of 10-12 g/L and the bath ratio of 1: 15;
step seven, steaming and drying: steaming and drying the yarn washed in the step six,
setting parameters of the steaming drying in the seventh step are as follows: steaming at the temperature of 115-125 ℃ for 25-35 min;
the dyeing process improves the dyeing uniformity of cashmere and bamboo fiber blended yarns by 25-30%, and increases the dyeing rate by 20-30%.
2. The dyeing process of cashmere-bamboo fiber blended yarn according to claim 1, characterized in that,
the blending ratio of the cashmere to the bamboo fibers in the blended yarn is 30-50: 70-50 in dry weight; the blended yarn is skein.
3. The dyeing process of cashmere-bamboo fiber blended yarn according to claim 1, characterized in that,
in the fifth step, the color fixing solution is 10-13% (owf) of soda ash, and the pH value is 7.5-8.5;
and the parameters of the color fixing treatment in the fifth step are as follows: the temperature is 80-85 ℃, and the color fixing time is 10-15 min.
4. The dyeing process of cashmere-bamboo fiber blended yarn according to claim 1, characterized in that,
in the sixth step, the water washing treatment adopts a soaking mode: soaking and washing for 5-10 min in soap liquid with the temperature of 60 ℃, the soap powder concentration of 10-12 g/L and the bath ratio of 1: 15.
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