CN113684700A - Dyeing process of four-side stretch fabric based on antimony-free terylene - Google Patents
Dyeing process of four-side stretch fabric based on antimony-free terylene Download PDFInfo
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- 238000004043 dyeing Methods 0.000 title claims abstract description 104
- 239000004744 fabric Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 46
- 229920004933 Terylene® Polymers 0.000 title claims abstract description 13
- 239000005020 polyethylene terephthalate Substances 0.000 title claims abstract description 13
- 239000000975 dye Substances 0.000 claims abstract description 47
- 229920000728 polyester Polymers 0.000 claims abstract description 29
- 229920002334 Spandex Polymers 0.000 claims abstract description 25
- 239000004759 spandex Substances 0.000 claims abstract description 25
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000013527 degreasing agent Substances 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000003247 decreasing effect Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000000986 disperse dye Substances 0.000 claims description 7
- 238000009981 jet dyeing Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- WBCXRDHKXHADQF-UHFFFAOYSA-N 4,11-diamino-2-(3-methoxypropyl)naphtho[2,3-f]isoindole-1,3,5,10-tetrone Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C(N)=C(C(N(CCCOC)C1=O)=O)C1=C2N WBCXRDHKXHADQF-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000835 fiber Substances 0.000 description 21
- 239000003054 catalyst Substances 0.000 description 19
- 229910052787 antimony Inorganic materials 0.000 description 12
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 12
- 229910001385 heavy metal Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
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- 238000006068 polycondensation reaction Methods 0.000 description 4
- 229920006306 polyurethane fiber Polymers 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 description 3
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003631 expected effect Effects 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000052 vinegar Substances 0.000 description 2
- 235000021419 vinegar Nutrition 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- WSXIMVDZMNWNRF-UHFFFAOYSA-N antimony;ethane-1,2-diol Chemical compound [Sb].OCCO WSXIMVDZMNWNRF-UHFFFAOYSA-N 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- JVLRYPRBKSMEBF-UHFFFAOYSA-K diacetyloxystibanyl acetate Chemical compound [Sb+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JVLRYPRBKSMEBF-UHFFFAOYSA-K 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- KRXBVZUTZPDWQI-UHFFFAOYSA-N ethane-1,2-diol;titanium Chemical compound [Ti].OCCO KRXBVZUTZPDWQI-UHFFFAOYSA-N 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011986 second-generation catalyst Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
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
- 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
-
- 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
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention discloses a dyeing process of a four-side stretch fabric based on antimony-free terylene, wherein a dyeing agent adopted by the dyeing process comprises a dyeing auxiliary agent and a dye; the dyeing auxiliary agent comprises a dyeing optimizing agent TF-256, a dyeing synergist TF-257 and a spandex degreaser TF-109A; the maximum dyeing temperature of the dyeing process is 130 ℃, and the heat preservation time is 60 min. Based on the characteristics of the antimony-free polyester four-side stretch fabric, the invention ensures that various technical indexes such as color fastness of the processed fabric meet higher requirements by designing a proper dyeing process, and realizes a more excellent dyeing effect.
Description
Technical Field
The invention belongs to the technical field of textile printing and dyeing, and particularly relates to a dyeing process of a four-side stretch fabric based on antimony-free terylene.
Background
At present, most of polyester production enterprises at home and abroad still mainly use antimony catalysts. In the antimony catalyst, antimony trioxide, antimony acetate and ethylene glycol antimony are used more, and the antimony catalyst has higher market share and excellent performance. The antimony catalyst can greatly promote the polycondensation reaction in the polyester polycondensation reaction instead of promoting the thermal degradation reaction, and is a good catalyst in the polycondensation process. However, antimony belongs to heavy metal and is harmful to human body, and associated with poisonous arsenic, it can cause damage to liver. Because the polyester production with participation of antimony catalysts is homogeneous catalytic reaction, the catalysts can be retained in products, and the effect of antimony removal measures adopted by most chemical fiber enterprises in China is limited, so that the processed polyester fibers contain heavy metal antimony; along with the polyester processing of dyeing and finishing processing factories, the antimony and antimony catalysts deposited in the fibers can be continuously transferred to the fiber surfaces and the printing and dyeing wastewater under certain conditions. In the prior printing and dyeing industry, no matter pretreatment or dyeing, a small bath ratio is adopted as much as possible in order to save water, so that the enrichment of heavy metal antimony in waste liquid is further increased, and the danger of heavy metal exceeding standard is increased.
The polyester catalyst will develop towards the direction of environmental protection, high efficiency, low toxicity and no toxicity. Under the condition of comprehensively considering economic performance, the titanium catalyst is an antimony-free catalyst which is relatively widely applied at present, such as tetrabutyl titanate, isopropyl titanate and the like in the first generation titanium catalyst. Research results show that the catalyst used in the esterification process is low in dosage and has catalytic activity for polycondensation reaction higher than that of SbAc3And Sb2O3And the reaction time is obviously shortened, the characteristic viscosity of the obtained product is increased, and the content of terminal carboxyl is reduced. In recent years, a novel titanium catalyst is developed vigorously, a second-generation catalyst product is generated, such as a titanium-silicon composite catalyst, ethylene glycol titanium and the like, the titanium-silicon composite catalyst has good hydrolytic resistance and a good catalytic effect, and the titanium-silicon composite catalyst is simple in structure and low in preparation cost, so that good basic guarantee is provided for the wide preparation of antimony-free polyester fibers.
The antimony-free terylene four-side stretch fabric is a bidirectional stretch woven fabric developed based on an antimony-free terylene production technology, and is produced by weaving terylene-ammonia core spun yarns. The core yarn of the polyester/polyurethane core-spun yarn is spandex fiber, and the bare spandex fiber has good stretching and recovery performance and is a main source of fabric elasticity; the coating yarn is an antimony-free polyester product produced by using an antimony-free catalyst, has multiple classifications of 50D, 75D, 100D, 150D and the like, has certain viscosity during coating, and provides a small amount of elasticity for the fabric. The polyester-spandex core-spun yarn is in a stretched state in the weaving process of the antimony-free polyester four-sided stretch fabric, and the width of the grey fabric is shrunk by the elasticity recovery of the stretch yarn after the grey fabric is off the machine. The internal stress of the elastic fabric is completely released through pretreatment processing, the elasticity of spandex filaments is recovered, the fabric is fully contracted, and the fabric has the maximum elasticity and the maximum stretchable width.
The antimony-free polyester four-side stretch fabric has the following technical problems in the dyeing process: in the weaving process, in order to prevent the spandex fiber from being damaged, a large amount of oil is often added to protect the spandex fiber; the large amount of oil agent existing in the dye can affect the dyeing and shaping effects; aiming at the four-side stretch fabric of antimony-free terylene, when dyeing, if the compatibility of the selected dye and the dyeing auxiliary agent is poor, the color phase difference is easily caused, and the spandex fiber is easy to adsorb a large amount of dye during dyeing, but the bond stress of the combination of the dye and the spandex fiber is small, and the dye is easy to fall off in the subsequent taking process, so that the condition of poor color fastness is caused.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a dyeing process of a four-side stretch fabric based on antimony-free terylene; based on the characteristics of the antimony-free polyester four-side stretch fabric, the invention ensures that various technical indexes such as color fastness of the processed fabric meet higher requirements by designing a proper dyeing process, and realizes a more excellent dyeing effect.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a dyeing process of a four-side stretch fabric based on antimony-free terylene adopts a dyeing agent comprising a dyeing auxiliary agent and a dye; the dyeing auxiliary agent comprises a dyeing optimizing agent TF-256, a dyeing synergist TF-257 and a spandex degreaser TF-109A; the maximum dyeing temperature of the dyeing process is 130 ℃, and the heat preservation time is 60 min.
Further, the dye is a disperse dye, and comprises disperse blue 2BLM, disperse turquoise blue S-GL and disperse light yellow SFN.
Further, the dyeing process formula is as follows:
further, the dyeing process adopts a jet dyeing machine without a cloth guide wheel to carry out dyeing.
Further, the dyeing process comprises the following steps: when the temperature of a dye vat of the dyeing machine reaches 40 ℃, the dyeing auxiliary agent and the dye are injected in sequence, then the temperature of the dye vat is increased to 95 ℃ at the heating rate of 0.8 ℃/min, the temperature is kept for 10min, then is increased to 105 ℃ at the heating rate of 0.8 ℃/min, the temperature is kept for 10min, then is increased to 130 ℃ at the heating rate of 0.8 ℃/min, the temperature is kept for 60min, then is decreased to 80 ℃ at the cooling rate of 1.2 ℃/min, then is decreased to 60 ℃, is washed with water, the washing time is 10min, then is decreased to the normal temperature, and is washed with water for 10 min.
Compared with the prior art, the invention has the following advantages and effects:
the antimony-free polyester four-side stretch fabric is composed of two components of spandex and polyester, wherein the dye uptake rate of spandex fibers is high, the number of adsorbed dyes is large, and the problems of color stripes, color flowers and the like are easy to occur. According to the invention, by adopting the macromolecular high-fastness disperse dye and properly prolonging the heat preservation time to 60 minutes, most of adsorbed dye can be gradually released and transferred to the polyester fiber after the polyurethane fiber is subjected to heat preservation for a proper time in the later dyeing stage, only relatively less dye is reserved, the polyester fiber obtains a better valence bond after being combined with dye molecules, the dye is not easy to separate from the fiber and is not easy to be back-stained to the polyurethane fiber, and therefore, the four-side stretch fabric has better color fastness.
The dyeing process adopts a dyeing optimizing agent TF-256 and a dyeing synergist TF-257, can effectively reduce the dye uptake of spandex fibers to a certain extent, and improves the level-dyeing property; moreover, the combination of the dyeing optimization agent TF-256 and the dyeing synergist TF-257 can improve the cleanliness of the cloth surface and reduce the energy consumption caused by cloth surface cleaning on the premise of no extra water washing, and can also provide a more stable pH value for a dye bath than that of a conventional ice vinegar system. The addition of the spandex degreaser TF-109A is to strengthen the removal of the redundant spandex oil agent and ensure that the dyed cloth cover achieves the expected effect.
The dyeing process adopts the combination of a dyeing optimizing agent TF-256, a dyeing synergist TF-257 and a spandex degreaser TF-109A to form a short-flow one-bath degreasing process, so that the production links are reduced, and the production is more efficient and energy-saving.
Drawings
Fig. 1 is a dyeing temperature process curve in the dyeing process of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Examples
Fabric grey cloth: the fabric is woven by adopting polyester-polyurethane core-spun yarns, wherein the spandex yarns are core yarns, and the cladding yarns are antimony-free polyester yarns produced by adopting an antimony-free catalyst.
The fabric grey cloth enters a dyeing process stage after a pretreatment process.
The dyeing agent adopted by the dyeing process of the antimony-free polyester-based four-side stretch fabric comprises a dyeing auxiliary agent and a dye; the dyeing auxiliary agent comprises a dyeing optimizing agent TF-256, a dyeing synergist TF-257 and a spandex degreaser TF-109A; the dye is disperse dye, including disperse blue 2BLM, disperse turquoise blue S-GL, and disperse light yellow SFN. The dyeing process utilizes a jet dyeing machine without a cloth guide wheel to dye the fabric;
the dyeing process has the following formula:
wherein g/L represents the gram number of the mass of the substances contained in 1L of dye liquor; specifically, 1L of dye solution is prepared by adding dye with the amount corresponding to the prescription into 0.8g of dyeing optimization agent TF-256, 0.6g of dyeing synergist TF-257 and 0.6g of spandex degreaser TF-109A, and then adding water to fix the volume to 1L.
As shown in fig. 1, the dyeing process comprises the following steps: when the temperature of a dye vat of the dyeing machine reaches 40 ℃, sequentially injecting a dyeing auxiliary agent and a disperse dye, wherein the dyeing auxiliary agent is injected by adopting a direct pumping method, the disperse dye is injected by adopting a proportional injection mode, and the injection flow rate of the dye is controlled to ensure uniform injection, so that the problems of uneven dyeing and the like caused by over-fast injection are prevented; after the dyeing auxiliary agent and the disperse dye are injected, the temperature of a dye vat is increased to 95 ℃ at the heating rate of 0.8 ℃/min, the temperature is kept for 10min, then is increased to 105 ℃ at the heating rate of 0.8 ℃/min, the temperature is kept for 10min, then is increased to 130 ℃ at the heating rate of 0.8 ℃/min, the temperature is kept for 60min, then is decreased to 80 ℃ at the cooling rate of 1.2 ℃/min, the sample is matched, then is decreased to 60 ℃, and is washed with water for 10min, then is decreased to the normal temperature, and is washed with water for 10 min.
Compared with the traditional high-temperature high-pressure overflow dyeing machine, the jet dyeing machine without the cloth guide wheel drives the fabric to rotate in a water flow jet mode, so that the generation of scratches on the cloth surface is reduced, and the edge sewing link before grey cloth dyeing can be omitted. Meanwhile, the dyeing machine has a dye liquor level dyeing device, has the advantages of cloth groove variable load adjustment and the like, and is high in dyeing reproducibility and good in fabric surface quality. In addition, an advanced automatic control device is adopted, so that the full-flow control of dyeing is realized, and the dyeing error caused by human factors is reduced. The dyeing process adopts a small bath ratio design, reduces the energy consumption to a certain extent, and meets the requirements of environmental protection, energy conservation, emission reduction and high efficiency.
The antimony-free polyester four-side stretch fabric is composed of two components of spandex and polyester, wherein the dye uptake rate of spandex fibers is high, the number of adsorbed dyes is large, and the problems of color stripes, color flowers and the like are easy to occur. According to the invention, by adopting the macromolecular high-fastness dye and properly prolonging the heat preservation time to 60 minutes, most of adsorbed dye can be gradually released and transferred to the polyester fiber after the polyurethane fiber is subjected to heat preservation for a proper time in the later dyeing stage, only relatively less dye is reserved, the polyester fiber obtains a better valence bond after being combined with dye molecules, the dye is not easy to separate from the fiber and is not easy to be back-stained to the polyurethane fiber, and therefore, the four-side stretch fabric has better color fastness.
The dyeing process adopts a dyeing optimizing agent TF-256 and a dyeing synergist TF-257, can effectively reduce the dye uptake of spandex fibers to a certain extent, and improves the level-dyeing property; moreover, the combination of the dyeing optimization agent TF-256 and the dyeing synergist TF-257 can improve the cleanliness of the cloth surface and reduce the energy consumption caused by cloth surface cleaning on the premise of no extra water washing, and can also provide a more stable pH value for a dye bath than that of a conventional ice vinegar system. The addition of the spandex degreaser TF-109A is to strengthen the removal of the redundant spandex oil agent and ensure that the dyed cloth cover achieves the expected effect.
Examples of effects
Carrying out subsequent high-temperature drying treatment at 190 ℃, acid soaping treatment and sizing treatment on the antimony-free polyester four-side stretch fabric treated by the dyeing process, and then carrying out dyeing performance test on the antimony-free polyester four-side stretch fabric; the results are shown in Table 1.
TABLE 1 dyeing property test results of the four-side stretch fabric based on antimony-free terylene
Through detection, the basic performance indexes of the four-side stretch fabric based on the antimony-free terylene meet the requirements of OEKO-TEX STANDARD 100 (class II) on color fastness, pH value, formaldehyde, extractable heavy metal antimony and carcinogenic aromatic amine; as can be seen from Table 1, the four-side stretch fabric based on antimony-free terylene has good color fastness and excellent dyeing effect.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A four-side stretch fabric dyeing process based on antimony-free terylene is characterized by comprising the following steps: the dyeing agent adopted by the dyeing process comprises a dyeing auxiliary agent and a dye; the dyeing auxiliary agent comprises a dyeing optimizing agent TF-256, a dyeing synergist TF-257 and a spandex degreaser TF-109A; the maximum dyeing temperature of the dyeing process is 130 ℃, and the heat preservation time is 60 min.
2. The dyeing process of the antimony-free polyester-based four-side stretch fabric, according to claim 1, is characterized in that: the dye is a disperse dye and comprises disperse blue 2BLM, disperse turquoise blue S-GL and disperse light yellow SFN.
3. The dyeing process of the antimony-free polyester-based four-side stretch fabric, according to claim 2, is characterized in that: the dyeing process formula is as follows:
4. the dyeing process of the antimony-free polyester-based four-side stretch fabric, according to claim 1, is characterized in that: the dyeing process adopts a jet dyeing machine without a cloth guide wheel to carry out dyeing.
5. The dyeing process of the antimony-free polyester-based four-side stretch fabric, according to claim 1, is characterized in that: the dyeing process comprises the following steps: when the temperature of a dye vat of the dyeing machine reaches 40 ℃, the dyeing auxiliary agent and the dye are injected in sequence, then the temperature of the dye vat is increased to 95 ℃ at the heating rate of 0.8 ℃/min, the temperature is kept for 10min, then is increased to 105 ℃ at the heating rate of 0.8 ℃/min, the temperature is kept for 10min, then is increased to 130 ℃ at the heating rate of 0.8 ℃/min, the temperature is kept for 60min, then is decreased to 80 ℃ at the cooling rate of 1.2 ℃/min, then is decreased to 60 ℃, is washed with water, the washing time is 10min, then is decreased to the normal temperature, and is washed with water for 10 min.
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2021
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