CN111996814B - Dyeing process of ultrahigh elastic fabric based on PBT (polybutylene terephthalate) composite yarn - Google Patents
Dyeing process of ultrahigh elastic fabric based on PBT (polybutylene terephthalate) composite yarn Download PDFInfo
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- CN111996814B CN111996814B CN202010919167.3A CN202010919167A CN111996814B CN 111996814 B CN111996814 B CN 111996814B CN 202010919167 A CN202010919167 A CN 202010919167A CN 111996814 B CN111996814 B CN 111996814B
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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
- D06P1/16—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
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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
- D06P1/44—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
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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
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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
- D06P3/8276—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing ester groups
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Abstract
The invention discloses a dyeing process of a novel PBT composite yarn-based super-high elastic fabric, wherein a dyeing agent adopted by the dyeing process consists of a dyeing auxiliary agent and a dye; the dyeing process comprises the following steps: injecting dyeing auxiliary agents and dyes in sequence when the temperature of a dye vat of a dyeing machine reaches 40 ℃, then raising the temperature of the dye vat to 50 ℃ at a temperature raising speed of 1.0 ℃/min, preserving heat for 5min, raising the temperature to 75 ℃ at a temperature raising speed of 0.8 ℃/min, preserving heat for 10min, raising the temperature to 100 ℃ at a temperature raising speed of 0.6 ℃/min, preserving heat for 10min, raising the temperature to 130 ℃ at a temperature raising speed of 1.0 ℃/min, preserving heat for 60min, and then lowering the temperature to 70 ℃ at a temperature lowering speed of 1.2 ℃/min; the dyeing process is suitable for the ultrahigh elastic fabric, so that the processed fabric has a good dyeing effect, excellent color fastness to washing, rubbing and perspiration, and no defects of chromatic aberration, colored pattern, crepe printing and the like.
Description
Technical Field
The invention belongs to the technical field of textile printing and dyeing, and particularly relates to a dyeing process of a PBT (polybutylene terephthalate) composite yarn-based ultrahigh-elasticity fabric.
Background
The ultrahigh-elasticity (BEY) fabric becomes a popular product in the textile market, and the reason for the ultrahigh-elasticity fabric is that the ultrahigh-elasticity fabric has higher resilience and cotton sensing performance compared with a T400 fabric, and the ultrahigh-elasticity fabric is easier to accept by the public because the price of grey cloth is lower than that of the T400.
The ultrahigh elastic fabric is a novel elastic fabric woven by using novel ultrahigh elastic fibers BEY as raw materials. Because the ultrahigh elastic fiber is prepared by PBT and PET composite spinning, the crystallization properties of the two molecules are different, and the ultrahigh elastic fiber shows different shrinkage properties when being stimulated by the external environment, thereby endowing the fiber with the elasticity characteristic. The super-high elastic BEY fabric belongs to an elastic product, is similar to a CEY fabric series, and has better elasticity than a common CEY fabric.
The fabric has a plurality of excellent characteristics:
(1) Compared with a T400 fabric, the ultrahigh-elasticity BEY fabric has higher resilience, the ultrahigh-elasticity BEY fabric has good elasticity before pretreatment, and has extremely high resilience and special cotton feeling after pretreatment and after finishing;
(2) The super-high elastic BEY fabric has excellent physical properties, good crease resistance and extremely low shrinkage rate, so that the finished product of the clothing is more washable; compared with the conventional CEY fabric, the wear-resistant and wear-resistant CEY fabric has better tear strength and breaking strength, is more wear-resistant in daily life, and has higher friction resistance grade.
(3) The super-high elastic BEY fabric has excellent chemical stability, and is made of super-high elastic fibers and does not contain spandex yarns, so that the color fastness of the super-high elastic BEY fabric is greatly improved compared with that of a four-side elastic fabric containing spandex and the like.
The existing dyeing process technology is not suitable for the ultrahigh elastic fabric; in the dyeing process, the process or parameters are improperly used, so that the fabric is easy to have the conditions of color difference, uneven dyeing, wrinkle printing and the like; therefore, a proper dyeing process needs to be developed to be suitable for the super-high elastic BEY fabric so as to ensure that the processed fabric has a relatively excellent dyeing effect.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a dyeing process of a PBT composite yarn-based ultrahigh-elasticity fabric. The dyeing process is formulated according to the characteristics of the fabric, so that the treated fabric has a good dyeing effect, excellent color fastness to washing, rubbing and perspiration, and no defects such as chromatic aberration, colored pattern, crepe printing and the like.
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 PBT composite yarn-based ultrahigh elastic fabric adopts a dyeing agent composed of a dyeing auxiliary agent and a dye, wherein the dye is a disperse dye; the dyeing process comprises the following steps: when the temperature of a dye vat of a dyeing machine reaches 40 ℃, a dyeing auxiliary agent and a dye are injected in sequence, then the temperature of the dye vat is increased to 50 ℃ at the temperature increasing speed of 1.0 ℃/min, the temperature is kept for 5min, then is increased to 75 ℃ at the temperature increasing speed of 0.8 ℃/min, the temperature is kept for 10min, then is increased to 100 ℃ at the temperature increasing speed of 0.6 ℃/min, the temperature is kept for 10min, then is increased to 130 ℃ at the temperature increasing speed of 1.0 ℃/min, the temperature is kept for 60min, then is reduced to 70 ℃ at the temperature reducing speed of 1.2 ℃/min, and then the dyed grey cloth is washed with water.
As a technical scheme of the dyeing process, the dyeing auxiliary agent in the dyeing process comprises a slipping agent and a high-temperature leveling agent, and the disperse dye comprises disperse black NP-PX, disperse orange NP-4R and disperse ruby NP-5B; the dyeing process has the following formula:
as another preferred technical scheme of the dyeing process, the dyeing auxiliary agent in the dyeing process comprises a slipping agent and a high-temperature leveling agent, and the disperse dye comprises disperse navy blue HL-N, disperse orange NP-4R and disperse ruby NP-5B; the dyeing process has the following formula:
furthermore, the dyeing process adopts a jet dyeing machine without a cloth guide wheel.
Further, the dyeing process is an overflow dyeing process.
Compared with the prior art, the invention has the following advantages and effects:
the dyeing process adopts high-temperature environment-friendly disperse dye for dyeing; the disperse dye is relatively suitable for dyeing the ultrahigh elastic fabric; the slipping agent VS in the coloring agent has good acid regulating effect; the high-temperature leveling agent TF-212K has an excellent leveling effect, so that the problem of dyeing defects on the cloth surface is solved;
according to the invention, a specific dyeing process is designed according to the characteristics of the ultrahigh elastic fabric; the super-elastic fabric is made of PET fibers and PBT fibers, wherein the critical dye-uptake temperature of the PET fibers is 75-120 ℃, the maximum color-obtaining temperature is 125-130 ℃, and the cloth cover color-obtaining rate is lower before the temperature is 75 ℃; the critical dyeing temperature of the PBT fiber is 50 ℃, the color yield of the cloth surface is lower before 50 ℃, so that the critical temperature of the two fibers is combined, the temperature rise rate of the dyeing process can be higher before 50 ℃, when the temperature reaches 75 ℃, a large amount of dye begins to be dyed, the cloth surface begins to shrink, wrinkles are easy to appear, and the temperature rise rate needs to be reduced; a heat preservation section is added after the temperature is increased, so that the fiber can fully absorb the dye in the temperature section, and the phenomenon of color difference of color flowers can be avoided;
the dyeing process adopts the bath ratio of 1:8-10 and the larger dyeing liquid amount, so that the impact force on the fabric and the dye is large during dyeing, the fabric is fully operated, the dye is more easily dispersed uniformly and is not easy to agglomerate, the generation of defects is reduced, the dyeing uniformity is ensured, and the phenomenon of dyeing defects is avoided.
Drawings
Fig. 1 is a dyeing temperature process curve in the dyeing process of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and specific embodiments, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Ultra-high elastic fabric gray fabric: the width of the white blank is 195cm; white billet square meter gram weight: 78g/m 2 (ii) a The warp direction adopts 75D/48F ultrahigh elastic fiber BEY with the warp density of 32 pieces/10 cm, the weft direction adopts 75D/48F ultrahigh elastic fiber BEY with the weft density of 99 pieces/10 cm;
the raw materials and equipment adopted in this example are as follows:
dye: disperse black NP-PX, disperse orange NP-4R, disperse red jade NP-5B (Zhejiang Longsheng group Co., ltd.);
auxiliary agent: glide agent VS (wujiang socap chemical limited); high temperature leveling agent TF-212K (Zhejiang department of infectious diseases Co., ltd.).
Equipment: TWRU-RK-2-300 (Haininyadong machines, inc.) of a jet dyeing machine without a cloth guide wheel.
The dyeing agent adopted by the dyeing process consists of a dyeing auxiliary agent and a dye, wherein the dye is a disperse dye and comprises disperse black NP-PX, disperse orange NP-4R and disperse ruby NP-5B; the dyeing auxiliary agent comprises a slipping agent and a high-temperature leveling agent;
the dyeing process has the following formula:
wherein each dye amount is referred to as a weight percent of the fabric, i.e., (owf).
The disperse dyes are high-temperature environment-friendly dyes, the slipping agent VS has a good acid regulating effect, and the high-temperature leveling agent TF-212K has an excellent leveling effect, so that the problem of dyeing defects on the cloth surface is solved.
As shown in fig. 1, the dyeing process is an overflow dyeing process, and the specific process is as follows: when the temperature of a dye vat of a dyeing machine reaches 40 ℃, a dyeing auxiliary agent and a dye are injected in sequence, then the temperature of the dye vat is increased to 50 ℃ at the temperature increasing speed of 1.0 ℃/min, the temperature is kept for 5min, then is increased to 75 ℃ at the temperature increasing speed of 0.8 ℃/min, the temperature is kept for 10min, then is increased to 100 ℃ at the temperature increasing speed of 0.6 ℃/min, the temperature is kept for 10min, then is increased to 130 ℃ at the temperature increasing speed of 1.0 ℃/min, the temperature is kept for 60min, then is reduced to 70 ℃ at the temperature reducing speed of 1.2 ℃/min, and then the dyed grey cloth is washed with water.
The ultrahigh-elasticity fabric of the embodiment 1 is made of PET fibers and PBT fibers, wherein the critical dye-uptake temperature of the PET fibers is 75-120 ℃, the maximum color-obtaining temperature is 125-130 ℃, and the cloth cover color-obtaining rate is lower before the temperature is 75 ℃; the critical dye-uptake temperature of the PBT fiber is 50 ℃, and the cloth cover color yield is lower before the temperature is 50 ℃, so that the critical temperature of the two fibers is combined, and the temperature rise rate of the dyeing process before the temperature is 50 ℃ can be faster; when the temperature reaches 75 ℃, the dye begins to color in a large quantity, the cloth surface begins to shrink, and wrinkles are easy to appear, so that the heating rate needs to be slowed down; a heat preservation section is added after the temperature is increased, so that the fiber can fully absorb the dye in the temperature section, and meanwhile, the occurrence of color difference of color flowers can be avoided; after the heat preservation stage is finished, the temperature is continuously raised to 130 ℃ at the temperature rise speed of 1.0 ℃/min, heat preservation is carried out, in the process, the dye uptake of the fabric grey cloth is gradually and rapidly increased, and the highest point is reached at 130 ℃.
The dyeing process adopts a bath ratio of 1.
The dye adopted in the embodiment 1 consists of disperse black NP-PX, disperse orange NP-4R and disperse ruby NP-5B, and a good dyeing effect can be obtained, so that the fabric treated by the dyeing process has excellent dyeing fastness.
Example 2
Ultra-high elastic fabric gray fabric: the width of the white blank is 195cm; white billet square meter gram weight: 78g/m 2 (ii) a The warp direction adopts 75D/48F ultrahigh elastic fiber BEY with the warp density of 32 pieces/10 cm, the weft direction adopts 75D/48F ultrahigh elastic fiber BEY with the weft density of 99 pieces/10 cm;
the raw materials and equipment adopted in this example are as follows:
dye: disperse navy HL-N, disperse orange NP-4R, disperse red jade NP-5B (Zhejiang Longsheng group Co., ltd.);
dyeing auxiliary agent: glide agent VS (wujiang socap chemical limited); high temperature leveling agent TF-212K.
Equipment: TWRU-RK-2-300 (Haininyadong machines, inc.) of a jet dyeing machine without a cloth guide wheel.
The dyeing agent adopted by the dyeing process consists of a dyeing auxiliary agent and a dye, wherein the dye is a disperse dye which comprises disperse navy blue HL-N, disperse orange NP-4R and disperse ruby NP-5B; the dyeing auxiliary agent comprises a slipping agent and a high-temperature leveling agent;
the dyeing process has the following formula:
wherein each dye amount is referred to as a weight percent of the fabric, i.e., (owf).
The disperse dyes are high-temperature environment-friendly dyes, the slipping agent VS has a good acid regulating effect, and the high-temperature leveling agent TF-212K has an excellent leveling effect, so that the problem of dyeing defects on the cloth surface is solved.
As shown in fig. 1, the dyeing process is an overflow dyeing process, and the specific process is as follows: when the temperature of a dye vat of a dyeing machine reaches 40 ℃, a dyeing auxiliary agent and a dye are injected in sequence, then the temperature of the dye vat is increased to 50 ℃ at the temperature increasing speed of 1.0 ℃/min, the temperature is kept for 5min, then is increased to 75 ℃ at the temperature increasing speed of 0.8 ℃/min, the temperature is kept for 10min, then is increased to 100 ℃ at the temperature increasing speed of 0.6 ℃/min, the temperature is kept for 10min, then is increased to 130 ℃ at the temperature increasing speed of 1.0 ℃/min, the temperature is kept for 60min, then is reduced to 70 ℃ at the temperature reducing speed of 1.2 ℃/min, and then the dyed grey cloth is washed with water.
The ultrahigh-elasticity fabric of the embodiment 2 is made of PET fibers and PBT fibers, wherein the critical dye-uptake temperature of the PET fibers is 75-120 ℃, the maximum color-obtaining temperature is 125-130 ℃, and the cloth cover color-obtaining rate is lower before the temperature is 75 ℃; the critical dyeing temperature of the PBT fiber is 50 ℃, and the cloth cover color yield is lower before the temperature is 50 ℃, so that the critical temperature of the two fibers is combined, and the temperature rise rate of the dyeing process before the temperature is 50 ℃ can be faster; when the temperature reaches 75 ℃, the dye begins to color in a large quantity, the cloth surface begins to shrink, and wrinkles are easy to appear, so that the heating rate needs to be slowed down; a heat preservation section is added behind the fiber, so that the fiber can fully absorb the dye in the temperature section, and meanwhile, the occurrence of color difference of color spots can be avoided; after the heat preservation stage is finished, the temperature is continuously raised to 130 ℃ at the temperature rise speed of 1.0 ℃/min, heat preservation is carried out, in the process, the dye uptake of the fabric grey cloth is gradually and rapidly increased, and the highest point is reached at 130 ℃.
The dyeing process adopts a bath ratio of 1.
The dye adopted in the embodiment 2 consists of dispersed navy blue HL-N, dispersed orange NP-4R and dispersed ruby NP-5B, and a good dyeing effect can be obtained, so that the fabric treated by the dyeing process has excellent dyeing fastness.
Performance testing
The performance test criteria are as follows:
color fastness to washing, tested according to ISO 105/C06-2010 A2S colour fastness to washing for household and commercial use;
testing the color fastness to perspiration according to GB/T3922-2013 'color fastness to perspiration test' of textile color fastness;
the color fastness to rubbing is tested according to GB/T3920-2008 'color fastness to rubbing' test for textile
The results of the performance test of the ultra-high elastic fabric treated by the dyeing process of example 1 and example 2 are shown in table 1.
Table 1 results of performance test of ultra-high elastic fabrics in example 1 and example 2
As can be seen from table 1, the ultra-high elastic fabrics treated by the processes of example 1 and example 2 have excellent color fastness to washing, perspiration and rubbing, and good 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 dyeing process of a PBT composite yarn-based ultrahigh elastic fabric is characterized by comprising the following steps: the ultrahigh elastic fabric is made of PET fibers and PBT fibers; the dyeing agent adopted by the dyeing process consists of a dyeing auxiliary agent and a dye, wherein the dye is a disperse dye; the dyeing process comprises the following steps: injecting dyeing auxiliary agents and dyes in sequence when the temperature of a dye vat of a dyeing machine reaches 40 ℃, then raising the temperature of the dye vat to 50 ℃ at a temperature raising speed of 1.0 ℃/min, preserving heat for 5min, raising the temperature to 75 ℃ at a temperature raising speed of 0.8 ℃/min, preserving heat for 10min, raising the temperature to 100 ℃ at a temperature raising speed of 0.6 ℃/min, preserving heat for 10min, raising the temperature to 130 ℃ at a temperature raising speed of 1.0 ℃/min, preserving heat for 60min, then lowering the temperature to 70 ℃ at a temperature lowering speed of 1.2 ℃/min, and then washing the dyed grey cloth with water; the bath ratio of the dyeing process is 1:8-10.
2. The dyeing process of the PBT composite yarn-based ultrahigh-elasticity fabric, according to claim 1, is characterized in that: the dyeing auxiliary agent in the dyeing process comprises a slipping agent and a high-temperature leveling agent, and the disperse dye comprises disperse black NP-PX, disperse orange NP-4R and disperse ruby NP-5B; the dyeing process has the following formula:
3. the dyeing process of the PBT composite yarn-based ultrahigh-elasticity fabric, according to claim 1, is characterized in that: the dyeing auxiliary agent in the dyeing process comprises a slipping agent and a high-temperature leveling agent, and the disperse dye comprises disperse navy blue HL-N, disperse orange NP-4R and disperse ruby NP-5B; the dyeing process has the following formula:
4. the dyeing process of the PBT composite yarn-based ultrahigh-elasticity fabric, according to claim 1, is characterized in that: the dyeing process adopts a jet dyeing machine without a cloth guide wheel.
5. The dyeing process of the PBT composite yarn-based ultrahigh-elasticity fabric, according to claim 1, is characterized in that: the dyeing process is an overflow dyeing process.
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