CN112064372A - Dyeing and finishing process of polyester-spandex gray fabric - Google Patents
Dyeing and finishing process of polyester-spandex gray fabric Download PDFInfo
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- CN112064372A CN112064372A CN202010811460.8A CN202010811460A CN112064372A CN 112064372 A CN112064372 A CN 112064372A CN 202010811460 A CN202010811460 A CN 202010811460A CN 112064372 A CN112064372 A CN 112064372A
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- shaping
- gray
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- 239000004744 fabric Substances 0.000 title claims abstract description 254
- 238000004043 dyeing Methods 0.000 title claims abstract description 173
- 229920002334 Spandex Polymers 0.000 title claims abstract description 57
- 239000004759 spandex Substances 0.000 title claims abstract description 57
- 238000007730 finishing process Methods 0.000 title claims abstract description 39
- 238000005406 washing Methods 0.000 claims abstract description 124
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 118
- 238000007493 shaping process Methods 0.000 claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 69
- 239000004814 polyurethane Substances 0.000 claims abstract description 67
- 229920002635 polyurethane Polymers 0.000 claims abstract description 67
- 229920000728 polyester Polymers 0.000 claims abstract description 60
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 59
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000986 disperse dye Substances 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 229960000583 acetic acid Drugs 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 23
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims abstract description 23
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 23
- 239000000975 dye Substances 0.000 claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims abstract description 9
- 239000010977 jade Substances 0.000 claims description 30
- 238000004806 packaging method and process Methods 0.000 claims description 12
- 238000005237 degreasing agent Methods 0.000 claims description 9
- 239000013527 degreasing agent Substances 0.000 claims description 9
- 238000004061 bleaching Methods 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 238000003892 spreading Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 210000001161 mammalian embryo Anatomy 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 5
- 229920004934 Dacron® Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 239000004753 textile Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- 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
- D06P1/16—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 dispersed, e.g. acetate, dyestuffs
-
- 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
-
- 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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
-
- 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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
-
- 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
- D06P3/8214—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing ester and amide groups
-
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
-
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/10—After-treatment with compounds containing metal
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Coloring (AREA)
Abstract
A dyeing and finishing process of polyester ammonia gray cloth comprises the following steps: 1) open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the polyester ammonia gray cloth; 2) primary setting of the gray cloth: preliminarily shaping the polyester ammonia gray cloth; 3) dyeing: dyeing the polyester-polyurethane gray cloth, wherein the dyeing formula comprises common disperse dye, glacial acetic acid and an anti-wrinkling agent; 4) reduction and water washing: carrying out reduction washing on the polyester ammonia gray cloth, wherein the formula for the reduction washing comprises liquid caustic soda and sodium hydrosulfite; 5) shaping of a finished product: and carrying out finished product shaping on the polyester ammonia gray cloth. The formula for dyeing can be set in the steps and further comprises high-fastness series dyes or a step of adding reinforcement between the reduction washing step and the finished product shaping step, so that the problem that the spandex exposure of the cloth surface of the polyester-polyurethane fabric can occur in the traditional dyeing and finishing process is solved.
Description
Technical Field
The invention relates to the technical field of dyeing and finishing, in particular to a dyeing and finishing process of polyester ammonia gray fabric.
Background
Dyeing and finishing refers to a process in which textile materials (fibers, yarns and fabrics) are subjected to a chemical treatment, also known in the modern world as printing and dyeing. Dyeing and finishing are carried out together with spinning, weaving or knitting production to form the whole process of textile production. The dyeing and finishing comprises pretreatment, dyeing, printing and finishing. The quality of dyeing and finishing quality has important influence on the use value of the textile. The pretreatment is also called scouring and bleaching, and mainly aims to remove impurities on textile materials, so that subsequent dyeing, printing and finishing processing can be smoothly carried out, and an expected processing effect is obtained. Dyeing is the process of imparting a certain color to a textile material by physical or chemical combination of dyes and fibers.
The polyester-polyurethane is elastic fabric with spandex and made of polyester fiber. The traditional polyester ammonia gray cloth is dyed into colors such as black, navy, dark blue and dark gray by using disperse dyes, but after dyeing and reduction washing, the condition that the spandex of the cloth cover is exposed to gold, namely common exposed bottom, can appear, and the dyeing and finishing quality is seriously influenced.
Disclosure of Invention
The invention provides a dyeing and finishing process of polyester ammonia gray cloth, which mainly aims to overcome the defect that the condition that spandex on the cloth surface is exposed to gold occurs in the dyeing and finishing of the existing polyester ammonia gray cloth.
In order to solve the technical problems, the invention adopts the following technical scheme:
a dyeing and finishing process of polyester ammonia gray cloth comprises the following steps:
1) open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the polyester ammonia gray cloth;
2) primary setting of the gray cloth: preliminarily shaping the polyester ammonia gray cloth;
3) dyeing: dyeing the polyester-polyurethane gray cloth, wherein the dyeing formula comprises common disperse dye, glacial acetic acid and an anti-wrinkling agent;
4) reduction and water washing: carrying out reduction washing on the polyester ammonia gray cloth, wherein the formula for the reduction washing comprises liquid caustic soda and sodium hydrosulfite;
5) shaping of a finished product: shaping the finished product of the polyester ammonia gray cloth;
the step meets the following conditions (I) to (IV), and simultaneously meets the following conditions (V) or (VI):
in the primary sizing step of the gray cloth, the temperature of the primary sizing is 195-205 ℃;
secondly, in the dyeing step, the total amount of common disperse dyes accounts for 3-7% of the weight of the cloth, the amount of glacial acetic acid is 0.6-0.9 g/L, the amount of anti-wrinkling agents is 1.4-1.8 g/L, the dyeing temperature is 120-140 ℃, and the dyeing time is 40-60 min;
thirdly, in the step of reduction washing, the using amount of liquid caustic soda is 3.0-5.0 g/L, the using amount of sodium hydrosulfite is 5.0-7.0 g/L, the temperature of the reduction washing is 80-90 ℃, and the time of the reduction washing is 15-25 min;
fourthly, in the step of shaping the finished product, the temperature for shaping the finished product is below 130 ℃;
in the dyeing step, the formula for dyeing also comprises high-fastness series dye, and the addition of the high-fastness series dye is enough to avoid the gold exposure of spandex on the polyester-polyurethane gray cloth;
sixthly, between the reduction water washing step and the finished product shaping step, a strengthening step is further included, and the strengthening step is added to avoid spandex gold exposure on the polyester-spandex gray cloth.
Preferably, the dyeing and finishing process specifically comprises the following steps:
1) arranging cloth;
2) open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the washed ammonia gray cloth by using an open width washing machine;
3) primary setting of the gray cloth: preliminarily shaping the polyester-polyurethane gray fabric by a shaping machine, wherein the temperature of the preliminary shaping is 195-205 ℃;
4) dyeing: dyeing the polyester-polyurethane gray cloth by a dyeing machine, wherein the formula for dyeing comprises high-fastness series dyes, common disperse dyes, glacial acetic acid and an anti-wrinkling agent; wherein the dosage of the high-concentration series dye is 0.1-0.3% of the weight of the cloth, the total dosage of the common disperse dye is 3-7% of the weight of the cloth, the dosage of the glacial acetic acid is 0.8g/L, the dosage of the anti-creasing agent is 1.6g/L, the dyeing temperature is 130 ℃, and the dyeing time is 50 min; the high-fastness dye series is Longsheng acid black LD;
5) reduction and water washing: reducing and washing the polyester ammonia gray cloth through the dyeing machine, wherein a formula for reducing and washing comprises liquid caustic soda and sodium hydrosulfite; wherein the dosage of the liquid caustic soda is 4.0g/L, the dosage of the sodium hydrosulfite is 6.0g/L, the temperature of the reduction water washing is 85 ℃, and the time of the reduction water washing is 20 min;
6) dehydrating;
7) spreading;
8) shaping of a finished product: shaping the finished product of the polyester-polyurethane gray fabric by the shaping machine, wherein the shaping temperature of the finished product is below 130 ℃;
9) inspecting a finished product;
10) and (6) packaging a finished product.
Preferably, the dyeing and finishing process specifically comprises the following steps:
1) arranging cloth;
2) open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the washed ammonia gray cloth by using an open width washing machine;
3) primary setting of the gray cloth: preliminarily shaping the polyester-polyurethane gray fabric by a shaping machine, wherein the temperature of the preliminary shaping is 195-205 ℃;
4) dyeing: dyeing the polyester-polyurethane gray cloth by a dyeing machine, wherein the dyeing formula comprises common disperse dye, glacial acetic acid and an anti-wrinkling agent; wherein the total amount of the common disperse dye accounts for 3-7% of the weight of the cloth, the amount of the glacial acetic acid is 0.8g/L, the amount of the anti-wrinkling agent is 1.6g/L, the dyeing temperature is 130 ℃, and the dyeing time is 50 min;
5) reduction and water washing: reducing and washing the polyester ammonia gray cloth through the dyeing machine, wherein a formula for reducing and washing comprises liquid caustic soda and sodium hydrosulfite; wherein the dosage of the liquid caustic soda is 4.0g/L, the dosage of the sodium hydrosulfite is 6.0g/L, the temperature of the reduction water washing is 85 ℃, and the time of the reduction water washing is 20 min;
6) and (3) reinforcement: adding bleaching water into the dyeing machine, and cooling for 10 min; wherein the amount of the bleaching water is 1.0-2.0 g/L;
7) dehydrating;
8) spreading;
9) shaping of a finished product: shaping the finished product of the polyester-polyurethane gray fabric by the shaping machine, wherein the shaping temperature of the finished product is below 130 ℃;
10) inspecting a finished product;
11) and (6) packaging a finished product.
Preferably, the dyeing and finishing process specifically comprises the following steps:
1) arranging cloth;
2) open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the washed ammonia gray cloth by using an open width washing machine;
3) primary setting of the gray cloth: preliminarily shaping the polyester-polyurethane gray fabric by a shaping machine, wherein the temperature of the preliminary shaping is 195-205 ℃;
4) dyeing: dyeing the polyester-polyurethane gray cloth by a dyeing machine, wherein the dyeing formula comprises common disperse dye, glacial acetic acid and an anti-wrinkling agent; wherein the total amount of the common disperse dye accounts for 3-7% of the weight of the cloth, the amount of the glacial acetic acid is 0.8g/L, the amount of the anti-wrinkling agent is 1.6g/L, the dyeing temperature is 130 ℃, and the dyeing time is 50 min;
5) reduction and water washing: reducing and washing the polyester ammonia gray cloth through the dyeing machine, wherein a formula for reducing and washing comprises liquid caustic soda and sodium hydrosulfite; wherein the dosage of the liquid caustic soda is 4.0g/L, the dosage of the sodium hydrosulfite is 6.0g/L, the temperature of the reduction water washing is 85 ℃, and the time of the reduction water washing is 20 min;
6) and (3) reinforcement: adding a degreasing agent into the dyeing machine, and carrying out hot washing for 30min at the temperature of 98 ℃, wherein the dosage of the degreasing agent is 1.0 g/L;
7) dehydrating;
8) spreading;
9) shaping of a finished product: shaping the finished product of the polyester-polyurethane gray fabric by the shaping machine, wherein the shaping temperature of the finished product is below 130 ℃;
10) inspecting a finished product;
11) and (6) packaging a finished product.
Preferably, when the polyester ammonia gray cloth is dyed to dark gray, the common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT dark blue; wherein, the dosage of NP-WECT red jade is 0.3 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.9 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 2.0 percent of the weight of the cloth.
Preferably, when the polyester ammonia gray cloth is dyed into navy blue, the common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT deep blue; wherein, the dosage of NP-WECT red jade is 0.15 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.5 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 3.5 percent of the weight of the cloth.
Preferably, when the polyester ammonia gray cloth is dyed into black, the common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT black; wherein, the dosage of NP-WECT red jade is 0.2 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.8 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 5.5 percent of the weight of the cloth.
Preferably, be equipped with one in proper order along the direction of feed side to ejection of compact side on the open width rinsing machine and contract groove, two reaction tanks, five wash bowls, wash the ammonia embryo cloth and pass through earlier the groove that contracts in advance contracts, pass through two in proper order again the reaction tank deoils, passes through five in proper order at last the wash bowl carries out the washing.
Preferably, the liquid temperatures of the pre-shrinking tank, the two reaction tanks and the five rinsing tanks which are sequentially arranged along the direction from the feeding side to the discharging side are 60 ℃, 85 ℃, 80 ℃, 70 ℃ and 60 ℃ sequentially.
Preferably, when the spandex on the polyester-polyurethane fabric is spandex 20D, the temperature for primarily shaping the polyester-polyurethane fabric is 195 ℃; when the spandex on the polyester-polyurethane fabric is spandex 30D, the temperature for primarily shaping the polyester-polyurethane fabric is 200 ℃; when the spandex on the polyester-polyurethane fabric is spandex 40D, the temperature for primarily shaping the polyester-polyurethane fabric is 205 ℃.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention improves the steps of open width water washing, grey cloth preliminary fixing, dyeing, reduction water washing, finished product shaping and the like in the traditional dyeing and finishing process, and simultaneously adds high-concentration series dyes in the dyeing step or adds a step of firming between the reduction water washing step and the finished product shaping step, thereby solving the problem that the spandex exposure of the cloth surface of the polyester ammonia grey cloth can occur in the traditional dyeing and finishing process, and the washing fastness can not be changed.
2. According to the dyeing and finishing process, the dyeing formula also comprises the Longsheng acid black LD, so that the problem that spandex gold is exposed on the cloth cover of the polyester-polyurethane gray cloth when common disperse dyes are adopted for dyeing in the traditional dyeing and finishing process is solved, the washing fastness is not changed, and the process time is not increased.
Detailed Description
The following describes specific embodiments of the present invention.
Example one
A dyeing and finishing process of polyester ammonia gray cloth comprises the following steps:
1) and (4) finishing the fabric, wherein the step is to facilitate subsequent open width water washing.
2) Open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the washed ammonia gray cloth by using an open width washing machine; the open width rinsing machine that this embodiment adopted adopts 8 sections groove modes for taiwan xing holds the open width rinsing machine, is equipped with one along the direction of feed side to the discharge side in proper order on this open width rinsing machine promptly and contracts groove, two reaction tanks, five wash bowls in advance, wash ammonia embryo cloth and contract in advance through the groove of contracting in advance earlier, again in proper order through two reaction tanks deoiling, finally wash through five wash bowls in proper order. The liquid temperatures of the pre-shrinking tank, the two reaction tanks and the five rinsing tanks which are arranged along the direction from the feeding side to the discharging side are 60 ℃, 85 ℃, 80 ℃, 70 ℃ and 60 ℃ in sequence. In addition, clear water is contained in the pre-shrinking tank and the five rinsing tanks, and clear water added with the degreasing agent is contained in the two reaction tanks.
3) Primary setting of the gray cloth: preliminarily shaping the polyester-polyurethane gray fabric by a shaping machine, wherein the temperature range of the preliminary shaping is 195-205 ℃; the setting machine adopted in the embodiment is a Menfu 8-joint box setting machine, and when the method is specifically applied, when spandex on the polyester spandex greige cloth is spandex 20D, the temperature for primarily setting the polyester spandex greige cloth is 195 ℃; when the spandex on the polyester-polyurethane fabric is spandex 30D, the temperature for primarily shaping the polyester-polyurethane fabric is 200 ℃; when the spandex on the polyester-polyurethane fabric is spandex 40D, the temperature for primarily shaping the polyester-polyurethane fabric is 205 ℃.
4) Dyeing: dyeing the polyester-polyurethane gray cloth by a dyeing machine, wherein the formula for dyeing comprises high-fastness series dyes, common disperse dyes, glacial acetic acid and an anti-wrinkling agent; the dyeing machine adopted in the embodiment is a high-temperature dyeing machine of the subas rockii in Taiwan, the dosage of the high-concentration series dye accounts for 0.1-0.3% of the weight of the cloth, the total dosage of the common disperse dye accounts for 3-7% of the weight of the cloth, the dosage of the glacial acetic acid is 0.8g/L, the dosage of the anti-wrinkling agent is 1.6g/L, the dyeing temperature is 130 ℃, and the dyeing time is 50 min;
specifically, the high-fastness dye series is Longsheng acid black LD; the selection of the common disperse dye can be correspondingly formulated according to the color to be obtained, and this example illustrates three possible embodiments:
firstly, when polyester ammonia gray cloth is dyed to be dark gray, common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT dark blue; wherein, the dosage of NP-WECT red jade is 0.3 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.9 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 2.0 percent of the weight of the cloth;
secondly, when the dacron gray cloth is dyed into navy blue, common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT deep blue; wherein, the dosage of NP-WECT red jade is 0.15 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.5 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 3.5 percent of the weight of the cloth;
thirdly, when the polyester ammonia gray cloth is dyed black, the common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT black; wherein, the dosage of NP-WECT red jade is 0.2 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.8 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 5.5 percent of the weight of the cloth.
5) Reduction and water washing: carrying out reduction washing on the washed ammonia gray cloth by a dyeing machine, wherein a formula for the reduction washing comprises liquid caustic soda and sodium hydrosulfite; wherein the dosage of the liquid caustic soda is 4.0g/L, the dosage of the sodium hydrosulfite is 6.0g/L, the temperature of the reduction water washing is 85 ℃, and the time of the reduction water washing is 20 min; the dyeing machine used in the step is the same as the dyeing machine used in the dyeing step.
6) Dewatering, the equipment adopted is a traditional cloth dewatering machine.
7) This step is carried out to facilitate subsequent final shaping of the product.
8) Shaping of a finished product: shaping the finished product of the polyester-polyurethane gray fabric by a shaping machine, wherein the shaping temperature of the finished product is below 130 ℃; in the final shaping of the polyester/polyurethane fabric, the temperature is generally set below 130 ℃ according to the gram weight of the fabric in consideration of the washing fastness of the finished fabric. The setting machine adopted in the step is the same as that adopted in the step of primary setting of the gray cloth.
9) And (4) inspecting a finished product, wherein the adopted equipment is a traditional cloth inspecting machine.
10) And (4) packaging the finished product by using a conventional packaging machine.
The embodiment improves the steps of open width water washing, grey cloth preliminary fixing, dyeing, reduction water washing, finished product sizing and the like in the traditional dyeing and finishing process, and simultaneously adds the Longsheng acid black LD of high-concentration series dye in the dyeing step, thereby solving the problem that the spandex on the cloth surface appears when the common disperse dye is adopted for dyeing in the traditional dyeing and finishing process, and the washing fastness can not be changed, and the process consumes no time and can not be increased.
Example two
A dyeing and finishing process of polyester ammonia gray cloth comprises the following steps:
1) and (4) finishing the fabric, wherein the step is to facilitate subsequent open width water washing.
2) Open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the washed ammonia gray cloth by using an open width washing machine; the open width rinsing machine that this embodiment adopted adopts 8 sections groove modes for taiwan xing holds the open width rinsing machine, is equipped with one along the direction of feed side to the discharge side in proper order on this open width rinsing machine promptly and contracts groove, two reaction tanks, five wash bowls in advance, wash ammonia embryo cloth and contract in advance through the groove of contracting in advance earlier, again in proper order through two reaction tanks deoiling, finally wash through five wash bowls in proper order. The liquid temperatures of the pre-shrinking tank, the two reaction tanks and the five rinsing tanks which are arranged along the direction from the feeding side to the discharging side are 60 ℃, 85 ℃, 80 ℃, 70 ℃ and 60 ℃ in sequence. In addition, clear water is contained in the pre-shrinking tank and the five rinsing tanks, and clear water added with the degreasing agent is contained in the two reaction tanks.
3) Primary setting of the gray cloth: preliminarily shaping the polyester-polyurethane gray fabric by a shaping machine, wherein the temperature range of the preliminary shaping is 195-205 ℃; the setting machine adopted in the embodiment is a Menfu 8-joint box setting machine, and when the method is specifically applied, when spandex on the polyester spandex greige cloth is spandex 20D, the temperature for primarily setting the polyester spandex greige cloth is 195 ℃; when the spandex on the polyester-polyurethane fabric is spandex 30D, the temperature for primarily shaping the polyester-polyurethane fabric is 200 ℃; when the spandex on the polyester-polyurethane fabric is spandex 40D, the temperature for primarily shaping the polyester-polyurethane fabric is 205 ℃.
4) Dyeing: dyeing the polyester-polyurethane gray cloth by a dyeing machine, wherein the dyeing formula comprises common disperse dye, glacial acetic acid and an anti-wrinkling agent; the dyeing machine adopted in the embodiment is a high-temperature dyeing machine of Taiwan subazo, the total using amount of common disperse dyes accounts for 3-7% of the weight of the cloth, the using amount of glacial acetic acid is 0.8g/L, the using amount of the anti-wrinkling agent is 1.6g/L, the dyeing temperature is 130 ℃, and the dyeing time is 50 min;
specifically, the selection of the common disperse dye can be formulated according to the desired color, and this example illustrates three possible embodiments:
firstly, when polyester ammonia gray cloth is dyed to be dark gray, common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT dark blue; wherein, the dosage of NP-WECT red jade is 0.3 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.9 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 2.0 percent of the weight of the cloth;
secondly, when the dacron gray cloth is dyed into navy blue, common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT deep blue; wherein, the dosage of NP-WECT red jade is 0.15 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.5 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 3.5 percent of the weight of the cloth;
thirdly, when the polyester ammonia gray cloth is dyed black, the common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT black; wherein, the dosage of NP-WECT red jade is 0.2 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.8 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 5.5 percent of the weight of the cloth.
5) Reduction and water washing: carrying out reduction washing on the washed ammonia gray cloth by a dyeing machine, wherein a formula for the reduction washing comprises liquid caustic soda and sodium hydrosulfite; wherein the dosage of the liquid caustic soda is 4.0g/L, the dosage of the sodium hydrosulfite is 6.0g/L, the temperature of the reduction water washing is 85 ℃, and the time of the reduction water washing is 20 min; the dyeing machine used in the step is the same as the dyeing machine used in the dyeing step.
6) And (3) reinforcement: adding bleaching water into the dyeing machine, and cooling for 10 min; wherein the amount of the bleaching water is 1.0-2.0 g/L; the dyeing machine used in the step is the same as the dyeing machine used in the dyeing and reduction washing steps.
7) Dewatering, the equipment adopted is a traditional cloth dewatering machine.
8) This step is carried out to facilitate subsequent final shaping of the product.
9) Shaping of a finished product: shaping the finished product of the polyester-polyurethane gray fabric by a shaping machine, wherein the shaping temperature of the finished product is below 130 ℃; in the final shaping of the polyester/polyurethane fabric, the temperature is generally set below 130 ℃ according to the gram weight of the fabric in consideration of the washing fastness of the finished fabric. The setting machine adopted in the step is the same as that adopted in the step of primary setting of the gray cloth.
10) And (4) inspecting a finished product, wherein the adopted equipment is a traditional cloth inspecting machine.
11) And (4) packaging the finished product by using a conventional packaging machine.
The embodiment improves the steps of open width water washing, grey cloth initial setting, dyeing, reduction water washing, finished product setting and the like in the traditional dyeing and finishing process, and simultaneously adds a step of reinforcement after the step of reduction water washing, although a dye vat can be damaged after long-term use due to chlorine contained in bleaching water, and the time consumption of some processes is slightly increased, the problem that the spandex exposure of the cloth surface of the polyester ammonia grey cloth can occur when common disperse dyes are adopted for dyeing in the traditional dyeing and finishing process can be effectively solved.
EXAMPLE III
A dyeing and finishing process of polyester ammonia gray cloth comprises the following steps:
1) and (4) finishing the fabric, wherein the step is to facilitate subsequent open width water washing.
2) Open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the washed ammonia gray cloth by using an open width washing machine; the open width rinsing machine that this embodiment adopted adopts 8 sections groove modes for taiwan xing holds the open width rinsing machine, is equipped with one along the direction of feed side to the discharge side in proper order on this open width rinsing machine promptly and contracts groove, two reaction tanks, five wash bowls in advance, wash ammonia embryo cloth and contract in advance through the groove of contracting in advance earlier, again in proper order through two reaction tanks deoiling, finally wash through five wash bowls in proper order. The liquid temperatures of the pre-shrinking tank, the two reaction tanks and the five rinsing tanks which are arranged along the direction from the feeding side to the discharging side are 60 ℃, 85 ℃, 80 ℃, 70 ℃ and 60 ℃ in sequence. In addition, clear water is contained in the pre-shrinking tank and the five rinsing tanks, and clear water added with the degreasing agent is contained in the two reaction tanks.
3) Primary setting of the gray cloth: preliminarily shaping the polyester-polyurethane gray fabric by a shaping machine, wherein the temperature range of the preliminary shaping is 195-205 ℃; the setting machine adopted in the embodiment is a Menfu 8-joint box setting machine, and when the method is specifically applied, when spandex on the polyester spandex greige cloth is spandex 20D, the temperature for primarily setting the polyester spandex greige cloth is 195 ℃; when the spandex on the polyester-polyurethane fabric is spandex 30D, the temperature for primarily shaping the polyester-polyurethane fabric is 200 ℃; when the spandex on the polyester-polyurethane fabric is spandex 40D, the temperature for primarily shaping the polyester-polyurethane fabric is 205 ℃.
4) Dyeing: dyeing the polyester-polyurethane gray cloth by a dyeing machine, wherein the dyeing formula comprises common disperse dye, glacial acetic acid and an anti-wrinkling agent; the dyeing machine adopted in the embodiment is a high-temperature dyeing machine of Taiwan subazo, the total using amount of common disperse dyes accounts for 3-7% of the weight of the cloth, the using amount of glacial acetic acid is 0.8g/L, the using amount of the anti-wrinkling agent is 1.6g/L, the dyeing temperature is 130 ℃, and the dyeing time is 50 min;
specifically, the selection of the common disperse dye can be formulated according to the desired color, and this example illustrates three possible embodiments:
firstly, when polyester ammonia gray cloth is dyed to be dark gray, common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT dark blue; wherein, the dosage of NP-WECT red jade is 0.3 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.9 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 2.0 percent of the weight of the cloth;
secondly, when the dacron gray cloth is dyed into navy blue, common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT deep blue; wherein, the dosage of NP-WECT red jade is 0.15 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.5 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 3.5 percent of the weight of the cloth;
thirdly, when the polyester ammonia gray cloth is dyed black, the common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT black; wherein, the dosage of NP-WECT red jade is 0.2 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.8 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 5.5 percent of the weight of the cloth.
5) Reduction and water washing: carrying out reduction washing on the washed ammonia gray cloth by a dyeing machine, wherein a formula for the reduction washing comprises liquid caustic soda and sodium hydrosulfite; wherein the dosage of the liquid caustic soda is 4.0g/L, the dosage of the sodium hydrosulfite is 6.0g/L, the temperature of the reduction water washing is 85 ℃, and the time of the reduction water washing is 20 min; the dyeing machine used in the step is the same as the dyeing machine used in the dyeing step.
6) And (3) reinforcement: adding a degreasing agent into the dyeing machine, and carrying out hot washing for 30min at the temperature of 98 ℃, wherein the dosage of the degreasing agent is 1.0 g/L; the dyeing machine used in the step is the same as the dyeing machine used in the dyeing and reduction washing steps.
7) Dewatering, the equipment adopted is a traditional cloth dewatering machine.
8) This step is carried out to facilitate subsequent final shaping of the product.
9) Shaping of a finished product: shaping the finished product of the polyester-polyurethane gray fabric by a shaping machine, wherein the shaping temperature of the finished product is below 130 ℃; in the final shaping of the polyester/polyurethane fabric, the temperature is generally set below 130 ℃ according to the gram weight of the fabric in consideration of the washing fastness of the finished fabric. The setting machine adopted in the step is the same as that adopted in the step of primary setting of the gray cloth.
10) And (4) inspecting a finished product, wherein the adopted equipment is a traditional cloth inspecting machine.
11) And (4) packaging the finished product by using a conventional packaging machine.
The embodiment improves open width water washing, grey cloth initial setting, dyeing, reduction washing, the step such as finished product design among the traditional dyeing and finishing technology, adds the step of adding the reinforcement simultaneously after the reduction washing step, and this embodiment is owing to add one step, can lead to increasing some processes consuming time, and many wastes some water and electricity vapour, and efficiency reduces to some extent, but can solve effectively among the traditional dyeing and finishing technology, the problem that cloth cover spandex exposure gold can appear when adopting ordinary disperse dyes to dye to wash ammonia grey cloth.
The above examples are merely illustrative for clarity and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A dyeing and finishing process of polyester ammonia gray cloth is characterized by comprising the following steps:
1) open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the polyester ammonia gray cloth;
2) primary setting of the gray cloth: preliminarily shaping the polyester ammonia gray cloth;
3) dyeing: dyeing the polyester-polyurethane gray cloth, wherein the dyeing formula comprises common disperse dye, glacial acetic acid and an anti-wrinkling agent;
4) reduction and water washing: carrying out reduction washing on the polyester ammonia gray cloth, wherein the formula for the reduction washing comprises liquid caustic soda and sodium hydrosulfite;
5) shaping of a finished product: shaping the finished product of the polyester ammonia gray cloth;
the step meets the following conditions (I) to (IV), and simultaneously meets the following conditions (V) or (VI):
in the primary sizing step of the gray cloth, the temperature of the primary sizing is 195-205 ℃;
secondly, in the dyeing step, the total amount of common disperse dyes accounts for 3-7% of the weight of the cloth, the amount of glacial acetic acid is 0.6-0.9 g/L, the amount of anti-wrinkling agents is 1.4-1.8 g/L, the dyeing temperature is 120-140 ℃, and the dyeing time is 40-60 min;
thirdly, in the step of reduction washing, the using amount of liquid caustic soda is 3.0-5.0 g/L, the using amount of sodium hydrosulfite is 5.0-7.0 g/L, the temperature of the reduction washing is 80-90 ℃, and the time of the reduction washing is 15-25 min;
fourthly, in the step of shaping the finished product, the temperature for shaping the finished product is below 130 ℃;
in the dyeing step, the formula for dyeing also comprises high-fastness series dye, and the addition of the high-fastness series dye is enough to avoid the gold exposure of spandex on the polyester-polyurethane gray cloth;
sixthly, between the reduction water washing step and the finished product shaping step, a strengthening step is further included, and the strengthening step is added to avoid spandex gold exposure on the polyester-spandex gray cloth.
2. The dyeing and finishing process of polyester spandex fabric as claimed in claim 1, wherein the dyeing and finishing process specifically comprises the following steps:
1) arranging cloth;
2) open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the washed ammonia gray cloth by using an open width washing machine;
3) primary setting of the gray cloth: preliminarily shaping the polyester-polyurethane gray fabric by a shaping machine, wherein the temperature of the preliminary shaping is 195-205 ℃;
4) dyeing: dyeing the polyester-polyurethane gray cloth by a dyeing machine, wherein the formula for dyeing comprises high-fastness series dyes, common disperse dyes, glacial acetic acid and an anti-wrinkling agent; wherein the dosage of the high-concentration series dye is 0.1-0.3% of the weight of the cloth, the total dosage of the common disperse dye is 3-7% of the weight of the cloth, the dosage of the glacial acetic acid is 0.8g/L, the dosage of the anti-creasing agent is 1.6g/L, the dyeing temperature is 130 ℃, and the dyeing time is 50 min; the high-fastness dye series is Longsheng acid black LD;
5) reduction and water washing: reducing and washing the polyester ammonia gray cloth through the dyeing machine, wherein a formula for reducing and washing comprises liquid caustic soda and sodium hydrosulfite; wherein the dosage of the liquid caustic soda is 4.0g/L, the dosage of the sodium hydrosulfite is 6.0g/L, the temperature of the reduction water washing is 85 ℃, and the time of the reduction water washing is 20 min;
6) dehydrating;
7) spreading;
8) shaping of a finished product: shaping the finished product of the polyester-polyurethane gray fabric by the shaping machine, wherein the shaping temperature of the finished product is below 130 ℃;
9) inspecting a finished product;
10) and (6) packaging a finished product.
3. The dyeing and finishing process of polyester spandex fabric as claimed in claim 1, wherein the dyeing and finishing process specifically comprises the following steps:
1) arranging cloth;
2) open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the washed ammonia gray cloth by using an open width washing machine;
3) primary setting of the gray cloth: preliminarily shaping the polyester-polyurethane gray fabric by a shaping machine, wherein the temperature of the preliminary shaping is 195-205 ℃;
4) dyeing: dyeing the polyester-polyurethane gray cloth by a dyeing machine, wherein the dyeing formula comprises common disperse dye, glacial acetic acid and an anti-wrinkling agent; wherein the total amount of the common disperse dye accounts for 3-7% of the weight of the cloth, the amount of the glacial acetic acid is 0.8g/L, the amount of the anti-wrinkling agent is 1.6g/L, the dyeing temperature is 130 ℃, and the dyeing time is 50 min;
5) reduction and water washing: reducing and washing the polyester ammonia gray cloth through the dyeing machine, wherein a formula for reducing and washing comprises liquid caustic soda and sodium hydrosulfite; wherein the dosage of the liquid caustic soda is 4.0g/L, the dosage of the sodium hydrosulfite is 6.0g/L, the temperature of the reduction water washing is 85 ℃, and the time of the reduction water washing is 20 min;
6) and (3) reinforcement: adding bleaching water into the dyeing machine, and cooling for 10 min; wherein the amount of the bleaching water is 1.0-2.0 g/L;
7) dehydrating;
8) spreading;
9) shaping of a finished product: shaping the finished product of the polyester-polyurethane gray fabric by the shaping machine, wherein the shaping temperature of the finished product is below 130 ℃;
10) inspecting a finished product;
11) and (6) packaging a finished product.
4. The dyeing and finishing process of polyester spandex fabric as claimed in claim 1, wherein the dyeing and finishing process specifically comprises the following steps:
1) arranging cloth;
2) open width water washing: sequentially carrying out preshrinking, oil removal and water washing treatment on the washed ammonia gray cloth by using an open width washing machine;
3) primary setting of the gray cloth: preliminarily shaping the polyester-polyurethane gray fabric by a shaping machine, wherein the temperature of the preliminary shaping is 195-205 ℃;
4) dyeing: dyeing the polyester-polyurethane gray cloth by a dyeing machine, wherein the dyeing formula comprises common disperse dye, glacial acetic acid and an anti-wrinkling agent; wherein the total amount of the common disperse dye accounts for 3-7% of the weight of the cloth, the amount of the glacial acetic acid is 0.8g/L, the amount of the anti-wrinkling agent is 1.6g/L, the dyeing temperature is 130 ℃, and the dyeing time is 50 min;
5) reduction and water washing: reducing and washing the polyester ammonia gray cloth through the dyeing machine, wherein a formula for reducing and washing comprises liquid caustic soda and sodium hydrosulfite; wherein the dosage of the liquid caustic soda is 4.0g/L, the dosage of the sodium hydrosulfite is 6.0g/L, the temperature of the reduction water washing is 85 ℃, and the time of the reduction water washing is 20 min;
6) and (3) reinforcement: adding a degreasing agent into the dyeing machine, and carrying out hot washing for 30min at the temperature of 98 ℃, wherein the dosage of the degreasing agent is 1.0 g/L;
7) dehydrating;
8) spreading;
9) shaping of a finished product: shaping the finished product of the polyester-polyurethane gray fabric by the shaping machine, wherein the shaping temperature of the finished product is below 130 ℃;
10) inspecting a finished product;
11) and (6) packaging a finished product.
5. The dyeing and finishing process of polyester/polyurethane fabric as claimed in any one of claims 1 to 4, wherein the dyeing and finishing process comprises the following steps: when the polyester ammonia gray cloth is dyed to be dark gray, the common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT dark blue; wherein, the dosage of NP-WECT red jade is 0.3 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.9 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 2.0 percent of the weight of the cloth.
6. The dyeing and finishing process of polyester/polyurethane fabric as claimed in any one of claims 1 to 4, wherein the dyeing and finishing process comprises the following steps: when the dacron gray cloth is dyed into navy blue, the common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT deep blue; wherein, the dosage of NP-WECT red jade is 0.15 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.5 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 3.5 percent of the weight of the cloth.
7. The dyeing and finishing process of polyester/polyurethane fabric as claimed in any one of claims 1 to 4, wherein the dyeing and finishing process comprises the following steps: when the polyester ammonia gray cloth is dyed black, the common disperse dyes comprise NP-WECT red jade, NP-WECT yellow brown and NP-WECT black; wherein, the dosage of NP-WECT red jade is 0.2 percent of the weight of the cloth, the dosage of NP-WECT yellow brown is 0.8 percent of the weight of the cloth, and the dosage of NP-WECT dark blue is 5.5 percent of the weight of the cloth.
8. The dyeing and finishing process of polyester/polyurethane fabric as claimed in any one of claims 2 to 4, wherein the dyeing and finishing process comprises the following steps: the open width rinsing machine is equipped with one along the direction of feeding side to ejection of compact side in proper order and contracts groove, two reaction tanks, five wash basins, wash the ammonia embryo cloth and pass through earlier the groove that contracts in advance contracts, pass through two in proper order again the reaction tank deoils, passes through five in proper order at last the wash basins carry out the washing.
9. The dyeing and finishing process of polyester spandex fabric as claimed in claim 8, wherein: the liquid temperatures of the pre-shrinking tank, the two reaction tanks and the five rinsing tanks which are sequentially arranged along the direction from the feeding side to the discharging side are 60 ℃, 85 ℃, 80 ℃, 70 ℃ and 60 ℃ sequentially.
10. The dyeing and finishing process of polyester/polyurethane fabric as claimed in any one of claims 1 to 4, wherein the dyeing and finishing process comprises the following steps: when the spandex on the polyester-polyurethane fabric is spandex 20D, the temperature for primarily shaping the polyester-polyurethane fabric is 195 ℃; when the spandex on the polyester-polyurethane fabric is spandex 30D, the temperature for primarily shaping the polyester-polyurethane fabric is 200 ℃; when the spandex on the polyester-polyurethane fabric is spandex 40D, the temperature for primarily shaping the polyester-polyurethane fabric is 205 ℃.
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Application publication date: 20201211 |