CN113699642A - Suede fabric with flame-retardant and antibacterial effects - Google Patents
Suede fabric with flame-retardant and antibacterial effects Download PDFInfo
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- CN113699642A CN113699642A CN202111149138.4A CN202111149138A CN113699642A CN 113699642 A CN113699642 A CN 113699642A CN 202111149138 A CN202111149138 A CN 202111149138A CN 113699642 A CN113699642 A CN 113699642A
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- D03—WEAVING
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- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/30—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments
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- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
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- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
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- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/567—Shapes or effects upon shrinkage
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- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
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- D06C7/00—Heating or cooling textile fabrics
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- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
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- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
- D06L1/14—De-sizing
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- 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
- D06P1/60—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 using compositions containing polyethers
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- 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
- D06P1/60—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 using compositions containing polyethers
- D06P1/613—Polyethers without nitrogen
- D06P1/6131—Addition products of hydroxyl groups-containing compounds with oxiranes
- D06P1/6133—Addition products of hydroxyl groups-containing compounds with oxiranes from araliphatic or aliphatic alcohols
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- 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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- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
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Abstract
The invention relates to a fire-retardant and bacteriostatic suede fabric which is formed by vertically interweaving warp yarns (1) and weft yarns (2), wherein the warp yarns (1) are interlaced yarns formed by compounding first warp yarns (11) and second warp yarns (12); the weft (2) is an air textured yarn formed by compounding a first weft (21) and a second weft (22), the first warp (11) is flame-retardant polyester FDY, and the second warp (12) is copper ion bacteriostatic polyester POY; the first weft yarns (21) are copper ion antibacterial polyester POY, and the second weft yarns (22) are polyester sea-island yarns; the fabric is prepared from grey cloth through finishing processes including desizing, washing, preshrinking, presetting, opening, dyeing, reduction cleaning, dewatering, scutching and soft setting. The fabric has good flame retardant property, high antibacterial effect and is fluffy and fine.
Description
Technical Field
The invention belongs to the technical field of textiles, and particularly relates to a suede-like fabric with flame retardant and antibacterial effects.
Background
With the continuous improvement of living standard of people, people pursue living quality more and more, a plurality of comfortable fabrics which can bring new wearing experience are pursued by people, and the functional comfortable fabrics have wide market and are favored by consumers.
The flame retardant and bacteriostatic functions are common functions required by textiles, and the bacteriostatic function becomes an important requirement of consumers for textile products in a special global period when new coronavirus abuse occurs. At present, two methods are generally used for realizing the flame retardant and antibacterial performance of the fabric, one method is to utilize functional auxiliary agents to endow the fabric with functionality through printing and dyeing after finishing, and the other method is to endow the fabric with functionality through weaving by adopting functional yarns. The method for endowing the fabric with the functionality by the aid of the auxiliary finishing technology is simple to operate, but the durability of the fabric function is insufficient, so that the functional fabric prepared by the functional yarn is more favored for consumers with higher requirements.
The conventional method for preparing the functional yarn is to add the functional master batch during spinning, so that the effective components are uniformly dispersed into the yarn, but the effective components are equivalent to impurities added into spinning solution, so that the yarn quality is unstable, and for fabrics which embody the functionality of the functional yarn by human body contact, the effective components which actually act are always on the surface of the yarn, so that only an effective component layer needs to be constructed on the outer layer of the yarn. For example, the bacteriostatic effective components in the bacteriostatic fabric act by contact, so in order to achieve high-efficiency bacteriostatic, the sheath-core structure of the functional yarn needs to be achieved by technical means. The flame retardant function is the whole function of the fabric, so that the yarn needs to contain higher flame retardant effective components.
The pet of chamois leather matte material as autumn and winter surface fabric receives consumer's favor all the time, but the island silk of the generally simple adoption of traditional chamois leather fine hair, through opening the fine hair and realize the chamois leather effect, causes the surface fabric like this and though the fine hair sense is abundant, nevertheless fluffy sense is not enough, consequently, through the combination of island silk and other silks, forms the surface fabric that has chamois leather effect and fluffy effect and will open bigger market for chamois leather fine hair series product.
To sum up, the market urgently needs a functional surface fabric that has high-efficient antibacterial and flame retardant efficiency, also urgently needs to upgrade chamois leather matte material in order to widen chamois leather matte article class, more needs a imitative chamois leather matte material that has high-efficient antibacterial and flame retardant efficiency and fluffy effectual.
Disclosure of Invention
The invention aims to provide a suede-like fabric with flame retardant and antibacterial effects, which has the advantages of good flame retardant property, high antibacterial effect efficiency, fluffiness and fineness.
The technical scheme adopted by the invention is as follows: a fire-retardant and bacteriostatic suede fabric is formed by vertically interweaving warp yarns and weft yarns, wherein the warp yarns are interlaced yarns formed by compounding first warp yarns and second warp yarns; the weft yarns are air textured yarns formed by compounding first weft yarns and second weft yarns, the first warp yarns are flame-retardant polyester FDY, and the second warp yarns are copper ion bacteriostatic polyester POY; the first weft yarns are copper ion antibacterial polyester POY, and the second weft yarns are polyester sea-island yarns; the first warp yarn is synthesized by copolymerizing bis (4-carboxyphenyl) phenyl phosphorus oxide (BCPPO) with ethylene glycol and terephthalic acid; the second warp yarns and the first weft yarns are both modified terylene with a sheath-core structure, and the preparation method comprises the following steps: bombarding conventional terylene by low-temperature plasma technology to enable the surface of the conventional terylene to generate active groups, and then using CuSO4·5H2O and active groups on the surface of the teryleneCarrying out grafting reaction to prepare bacteriostatic terylene with copper ions on the surface; the surface of the warp is coated with the mixed size of modified starch and water-soluble PVA, and the fabric is prepared from grey cloth through finishing processes including desizing and washing, preshrinking, presetting, fiber opening, dyeing, reduction cleaning, dewatering and scutching, and softening and shaping.
The fabric adopts the composite yarn formed by FDY and POY as warp yarn, the composite yarn formed by POY and sea-island yarn as weft yarn, after dyeing and finishing treatment, different components in the warp yarn and the weft yarn are different in shrinkage rate, so that the fabric presents different chamois leather styles; after the sea-island filaments in the weft yarn are subjected to opening, the weft yarn presents more exquisite velvet feeling and suede feeling with a wool-like effect.
Further, the weight ratio of bis (4-carboxyphenyl) phenyl phosphorus oxide (BCPPO) in the first warp yarn is (5-8)%.
The flame-retardant polyester yarn is synthesized by copolymerization of bis (4-carboxyphenyl) phenyl phosphorus oxide (BCPPO), ethylene glycol and terephthalic acid, and as the BCPPO as a flame-retardant active ingredient participates in a chemical reaction and is combined with a polyester macromolecular chain to form a new molecular chain with a flame-retardant function, the BCPPO is more stable in polyester, and the durability of the flame-retardant effect is ensured; therefore, the high-efficiency flame retardant effect of the bis (4-carboxyphenyl) phenyl phosphorus oxide (BCPPO) with the lower content of 5-8% by weight in the yarn is ensured.
Further, the content of copper ions in the second warp yarns and the first weft yarns is (200-300) PPM.
The bacteriostatic polyester yarn with the sheath-core structure formed by the low-temperature plasma technology has the advantages that the outer layer of the polyester yarn contains higher copper ions, the inner layer retains the characteristics of the polyester, the physical property of the yarn is changed less after the copper ions are added, the conventional bacteriostatic copper ion yarn is obtained by adding a large amount of nano copper into spinning solution during spinning, and the copper ions are equivalent to impurities in the spinning solution and can influence various physical indexes of the yarn. In addition, the antibacterial performance is expressed by the fact that effective antibacterial ingredients are in direct contact with a human body, and the effect of the effective antibacterial ingredients on the antibacterial performance of the inner layer of the yarn is small, so that the sheath-core structure enables the yarn to generate a large antibacterial effect under the condition of low copper ion content.
Further, the first warp fineness is 20D, the second warp fineness is 26D, the first weft fineness is 100D, and the second weft fineness is 50D.
Further, the weave structure of the fabric is six variable satins.
The adoption of six-warp satin not only enables the fabric to generate a double-sided effect, but also fully exerts different velvet effects of warps and wefts and generates various styles; in addition, the six-variable-frequency satin can overcome the defects of strong satin effect and strong brightness of the conventional satin, and endows the fabric with high-grade feeling.
Further, the weight ratio of the modified starch in the mixed slurry was 20%, and the weight ratio of the water-soluble PVA was 5%.
Further, the sea to island ratio of the second weft yarns is 20: 80.
Further, the finishing process specifically comprises the following steps:
1) desizing and washing: desizing and washing the grey cloth in an open width washing machine, adding 6-8 g/L of refining agent GNB, 6-5 g/L of degreasing agent YS-1013, 1-3 g/L of low-temperature desizing enzyme (alpha-amylase), CaCl into a rolling groove of the washing machine2 0.15g/L,NaCl23g/L, then 35% H2O2Adjusting the pH value of the working solution in the rolling groove to 5.5-6.5, keeping the temperature of the working solution at 50-60 ℃, keeping the rolling residual rate of the fabric at 70-80% after the rolling groove, piling the grey fabric after the rolling groove at 70 ℃ for 20min, and then feeding the grey fabric into a washing tank for washing, wherein the temperature of the washing tank is kept at 60-70 ℃ during washing, and the speed of a washing machine is 50-60 m/min.
The low-temperature desizing enzyme (alpha-amylase) is adopted for desizing, so that not only can the environmental pollution and fiber damage caused by alkali desizing be avoided, but also the low-temperature desizing can reduce the consumption of heat energy and play a role in energy conservation.
2) Pre-shrinking: pre-shrinking in an overflow dyeing machine, only adding clean water into a dye vat, heating the clean water in the dye vat to 90 ℃ at the speed of 3 ℃/min, preserving heat for 10min, then heating to 125 ℃ at the speed of 2 ℃/min, preserving heat for 15min in the dye vat, finally cooling to 30 ℃ at the speed of 3 ℃/min, and taking out of the dye vat;
the fabric is pre-shrunk by clear water, so that the fabric is prevented from being shrunk unnaturally due to the existence of chemical reagents, and the natural characteristics of the fabric are kept, so that the fabric has better softness and fluffiness after being treated, and dead wrinkles caused by severe shrinkage are avoided.
3) Presetting: presetting the preshrunk cloth at 120 ℃ by a setting machine, wherein the width of the preset fabric is controlled to be 5-8 cm wider than that of a finished product, so that the cloth surface is fluffy and soft on the premise of being smooth;
through the preshrinking and pre-setting processes, the problems of knotting, cloth blockage, uneven cloth cover density, difficult control of width, color and pattern and the like are avoided when the fabric is dyed in the subsequent process.
4) Splitting: and (3) performing decrement fiber opening treatment on the fabric after the pre-setting, adding 30% NaOH into a dye vat: 6-10 g/L, sea island terylene fiber opening agent YZ-101: 2-4 g/L, bath ratio is 1: (15-20) heating the treatment solution in the dye vat to 95 ℃ at the speed of 2 ℃/min, keeping the temperature for 30min, heating to 60 ℃ at the speed of 1.5 ℃/min, washing for 20min, cooling to 40 ℃ at the speed of 3 ℃/min, and taking out of the dye vat;
the decrement fiber opening is a problem that the control is difficult in the polyester fabric treatment process, particularly the island fiber is damaged by poor temperature control if the concentration of alkali is too high during the decrement fiber opening.
5) Dyeing: because the fabric contains a plurality of components and the dye uptake of different components is different, the temperature rise speed is strictly controlled in the dyeing process to prevent the generation of dyeing strips; dyeing the fabric subjected to fiber opening in a flow dyeing machine, adding 1-2 g/L of disodium ethylene diamine tetraacetate, 1-2 g/L of fatty alcohol-polyoxyethylene ether and 1-2 g/L of alkyl polyoxyethylene ether into a dye vat, then adding glacial acetic acid to adjust the pH value to 4-5, then adding 3-4 g/L of ammonium dihydrogen phosphate, and preparing the fabric with a bath ratio of 1: (15-20) heating the treatment solution in the dye vat to 80 ℃ at the speed of 1.5 ℃/min, preserving heat for 20min, heating to 125 ℃ at the speed of 2 ℃/min, preserving heat for 50-60 min in the dye vat, cooling to 40 ℃ at the speed of 1.5 ℃/min, and taking out of the dye vat;
6) reduction and cleaning: the fabric after dyeing is subjected to reduction cleaning treatment in an overflow dyeing machine, and loose color on the fabric during dyeing is washed away, which is very important for the fabric prepared from the multi-component fibers; adding 2-4 g/L thiourea dioxide into a dye vat, wherein the bath ratio is 1: (10-15) heating the treatment liquid in the dye vat to 80 ℃ at the speed of 1.5 ℃/min, preserving heat for 20min, cooling the treatment liquid in the dye vat to 40 ℃ at the speed of 2 ℃/min, and taking out;
7) dewatering and scutching: dewatering and scutching the fabric subjected to reduction cleaning to prepare for softening and shaping; the water content of the cloth after dehydration is controlled within 10 percent, so that no water stain trace appears on the cloth entering the pre-setting;
8) softening and shaping: the fabric after dewatering and scutching is padded with a fluffy softening agent p-benzoquinone dioxime, an antistatic agent NT-A011(NANOTEX company), an antistatic agent NT-A022(NANOTEX company) and a penetrant NT-W266(NANOTEX company) in a rolling groove at the front end of a setting machine, and then is shaped to a specified breadth at 160-170 ℃ by the setting machine;
compared with the prior art, the invention has the advantages that:
the suede-like fabric with flame retardant and antibacterial effects has the following four advantages:
(1) the fabric adopts the composite yarn formed by FDY and POY as warp yarn, the composite yarn formed by POY and sea-island yarn as weft yarn, after dyeing and finishing treatment, different components in the warp yarn and the weft yarn are different in shrinkage rate, so that the fabric presents different chamois leather styles; the fabric can generate a double-sided effect by combining six variable-frequency satins, so that different velvet effects of warps and wefts are fully exerted, and various styles are generated.
(2) The flame-retardant polyester yarn is synthesized by copolymerization of bis (4-carboxyphenyl) phenyl phosphorus oxide (BCPPO), ethylene glycol and terephthalic acid, and the flame-retardant active ingredient BCPPO participates in chemical reaction and is combined with a polyester macromolecular chain to form a new molecular chain with a flame-retardant function, so that the BCPPO is more stable in polyester, the durability of the flame-retardant effect is ensured, and the produced fabric has a better flame-retardant effect.
(3) The bacteriostatic polyester yarn with the sheath-core structure formed by using the low-temperature plasma technology enables the outer layer of the polyester yarn to contain higher copper ions and the inner layer to retain the characteristics of the polyester yarn, so that the physical property of the yarn is changed less after the copper ions are added. In addition, the antibacterial performance is expressed by the fact that the antibacterial effective ingredients are in direct contact with a human body, and the effect of the antibacterial effective ingredients on the antibacterial performance is small in the inner layer of the yarn, so that the sheath-core structure enables the yarn to generate a large antibacterial effect under the condition of low copper ion content.
(4) In the processes of pretreatment, dyeing and after-finishing, according to the characteristics of the fabric, on the basis of comprehensively considering energy conservation, consumption reduction, treatment effect and the like, a specific treatment process is formulated, so that the fabric characteristics can be well presented in each link, and the product has higher market value.
Drawings
FIG. 1 is a schematic representation of the structure of the warp yarns of the present invention;
FIG. 2 is a schematic representation of the structure of the weft yarn of the present invention;
fig. 3 is a schematic organization diagram of embodiment 1 of the present invention.
Wherein, 1-warp; 11 — a first warp yarn; 12 — a second warp yarn; 2-the weft yarn; 21-the first weft yarn; 22 — second weft yarn;
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Example 1:
a suede-like fabric with flame retardant and antibacterial effects is formed by interweaving warp yarns 1 and weft yarns 2 according to a 6-fold satin weave structure, wherein the warp yarns 1 are interlaced yarns formed by compounding first warp yarns 11 with fineness of 20D and second warp yarns 12 with fineness of 26D; the weft 2 is an air textured yarn composed of a first weft 21 having a fineness of 100D and a second weft 22 having a fineness of 50D. The first warp yarns 11 are flame-retardant polyester FDY synthesized by copolymerization of bis (4-carboxyphenyl) phenyl phosphorus oxide (BCPPO), ethylene glycol and terephthalic acid, wherein the weight ratio of the bis (4-carboxyphenyl) phenyl phosphorus oxide (BCPPO)The content was 7%. The second warp yarns 12 are copper ion antibacterial polyester POY; the first weft yarns 21 are copper ion antibacterial polyester POY, the second weft yarns 22 are polyester sea-island yarns, and the ratio of sea to island is 20: 80; the second warp yarns 12 and the first weft yarns 21 are both modified terylene with a sheath-core structure, wherein the content of copper ions is 300PPM, and the specific preparation method comprises the following steps: bombarding conventional terylene by low-temperature plasma technology to enable the surface of the conventional terylene to generate active groups, and then using CuSO4·5H2Carrying out grafting reaction on the O and active groups on the surface of the terylene to prepare the bacteriostatic terylene with copper ions on the surface; the surface of the warp yarn 1 is coated with a mixed slurry of modified starch and water-soluble PVA, wherein the weight ratio of the modified starch in the mixed slurry is 20 percent, and the weight ratio of the water-soluble PVA is 5 percent. The fabric is prepared from grey cloth through finishing processes including desizing, washing, preshrinking, presetting, opening, dyeing, reduction cleaning, dewatering, scutching and soft setting.
1) Desizing and washing: desizing and washing the grey cloth in a wide washing machine, adding 6g/L of GNB, 6g/L of degreasing agent YS-1013 g/L, 2g/L of low-temperature desizing enzyme (alpha-amylase), CaCl in a rolling groove of the washing machine2 0.15g/L,NaCl23g/L, then 35% H2O2Adjusting the pH value of the working solution in the rolling groove to 5.5-6.5, keeping the temperature of the working solution at 50-60 ℃, keeping the rolling residual rate of the fabric at 70-80% after the rolling groove, piling the grey fabric after the rolling groove at 70 ℃ for 20min, and then feeding the grey fabric into a washing tank for washing, wherein the temperature of the washing tank is kept at 60-70 ℃ during washing, and the speed of a washing machine is 50-60 m/min.
2) Pre-shrinking: pre-shrinking in an overflow dyeing machine, only adding clean water into a dye vat, heating the clean water in the dye vat to 90 ℃ at the speed of 3 ℃/min, preserving heat for 10min, then heating to 125 ℃ at the speed of 2 ℃/min, preserving heat for 15min in the dye vat, finally cooling to 30 ℃ at the speed of 3 ℃/min, and taking out of the dye vat;
3) presetting: presetting the preshrunk cloth at 120 ℃ by a setting machine, and controlling the width of the preshrunk cloth to be 5cm wider than that of a finished product, so as to ensure that the cloth cover is fluffy and soft on the premise of being smooth;
through the preshrinking and pre-setting processes, the problems of knotting, cloth blockage, uneven cloth cover density, difficult control of width, color and pattern and the like are avoided when the fabric is dyed in the subsequent process.
4) Splitting: and (3) performing decrement fiber opening treatment on the fabric after the pre-setting, adding 30% NaOH into a dye vat: 7g/L, sea island terylene fiber opening agent YZ-101: 3g/L, bath ratio of 1: 15, heating the treatment solution in the dye vat to 95 ℃ at the speed of 2 ℃/min, keeping the temperature for 30min, heating to 60 ℃ at the speed of 1.5 ℃/min, washing for 20min, cooling to 40 ℃ at the speed of 3 ℃/min, and taking out of the dye vat;
5) dyeing: because the fabric contains a plurality of components and the dye uptake of different components is different, the temperature rise speed is strictly controlled in the dyeing process to prevent the generation of dyeing strips; dyeing the fabric subjected to fiber opening in a flow dyeing machine, adding 1g/L of ethylene diamine tetraacetic acid, 1g/L of fatty alcohol-polyoxyethylene ether and 1g/L of alkyl polyoxyethylene ether into a dye vat, then adding glacial acetic acid to adjust the pH value to 4-5, then adding 3g/L of ammonium dihydrogen phosphate, and preparing the fabric with a bath ratio of 1: 15, heating the treatment solution in the dye vat to 80 ℃ at the speed of 1.5 ℃/min, preserving heat for 20min, heating to 125 ℃ at the speed of 2 ℃/min, preserving heat for 50-60 min in the dye vat, cooling to 40 ℃ at the speed of 1.5 ℃/min, and taking out of the dye vat;
6) reduction and cleaning: the fabric after dyeing is subjected to reduction cleaning treatment in an overflow dyeing machine, and loose color on the fabric during dyeing is washed away, which is very important for the fabric prepared from the multi-component fibers; adding 3g/L thiourea dioxide into a dye vat, wherein the bath ratio is 1: 15, heating the treatment liquid in the dye vat to 80 ℃ at the speed of 1.5 ℃/min, preserving the heat for 20min, then cooling the treatment liquid in the dye vat to 40 ℃ at the speed of 2 ℃/min, and taking out;
7) dewatering and scutching: dewatering and scutching the fabric subjected to reduction cleaning to prepare for softening and shaping; the water content of the cloth after dehydration is controlled within 10 percent, so that no water stain trace appears on the cloth entering the pre-setting;
8) softening and shaping: the fabric after dewatering and scutching is padded with a fluffy softening agent p-benzoquinone dioxime, an antistatic agent NT-A011(NANOTEX company), an antistatic agent NT-A022(NANOTEX company) and a penetrant NT-W266(NANOTEX company) in a rolling groove at the front end of a setting machine, and then is shaped to a specified width at 170 ℃ by the setting machine;
in addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a fire-retardant and antibacterial chamois leather surface fabric, is interweaved perpendicularly by warp (1) and woof (2) and forms its characterized in that: the warp (1) is interlaced yarn formed by compounding a first warp (11) and a second warp (12); the weft (2) is an air textured yarn formed by compounding a first weft (21) and a second weft (22), the first warp (11) is flame-retardant polyester FDY, and the second warp (12) is copper ion bacteriostatic polyester POY; the first weft yarns (21) are copper ion antibacterial polyester POY, and the second weft yarns (22) are polyester sea-island yarns; the first warp yarns (11) are synthesized by copolymerization of bis (4-carboxyphenyl) phenyl phosphorus oxide (BCPPO), ethylene glycol and terephthalic acid; the second warp (12) and the first weft (21) are both modified terylene with a skin-core structure, and the preparation method comprises the following steps: bombarding conventional terylene by low-temperature plasma technology to enable the surface of the conventional terylene to generate active groups, and then using CuSO4·5H2Carrying out grafting reaction on the O and active groups on the surface of the terylene to prepare the bacteriostatic terylene with copper ions on the surface; the surface of the warp (1) is coated with the mixed size of modified starch and water-soluble PVA, and the fabric is prepared from grey cloth through finishing processes including desizing, washing, preshrinking, presetting, fiber opening, dyeing, reduction cleaning, dewatering, scutching and soft setting.
2. The suede-like fabric having flame retardant and bacteriostatic effects according to claim 1, wherein: the weight ratio of bis (4-carboxyphenyl) phenyl phosphorus oxide (BCPPO) in the first warp (11) is (5-8)%.
3. The suede-like fabric having flame retardant and bacteriostatic effects according to claim 1, wherein: the content of copper ions in the second warp yarns (12) and the first weft yarns (21) is (200-300) PPM.
4. The suede-like fabric having flame retardant and bacteriostatic effects according to claim 1, wherein: the fineness of the first warp (11) is 20D, the fineness of the second warp (12) is 26D, the fineness of the first weft (21) is 100D, and the fineness of the second weft (22) is 50D.
5. The suede-like fabric having flame retardant and bacteriostatic effects according to claim 1, wherein: the weave structure of the fabric is six variable satins.
6. The suede-like fabric having flame retardant and bacteriostatic effects according to claim 1, wherein the weight ratio of the modified starch in the mixed slurry is 20%, and the weight ratio of the water-soluble PVA in the mixed slurry is 5%.
7. The suede-like fabric having flame retardant and bacteriostatic effect according to claim 1, wherein the ratio of sea to islands of the second weft yarns (22) is 20: 80.
8. The suede-like fabric having flame retardant and bacteriostatic effects according to claim 1, wherein: the finishing process specifically comprises the following steps:
1) desizing and washing: desizing and washing the grey cloth in an open width washing machine, adding 6-8 g/L of refining agent GNB, 6-5 g/L of degreasing agent YS-1013, 1-3 g/L of low-temperature desizing enzyme (alpha-amylase), CaCl into a rolling groove of the washing machine2 0.15g/L,NaCl23g/L, then 35% H2O2Adjusting the pH value of the working solution in the rolling groove to 5.5-6.5, keeping the temperature of the working solution at 50-60 ℃, keeping the rolling residual rate of the fabric at 70-80% after the rolling groove, piling the grey fabric after the rolling groove at 70 ℃ for 20min, and then feeding the grey fabric into a washing tank for washing, wherein the temperature of the washing tank is kept at 60-70 ℃ during washing, and the speed of a washing machine is 50-60 m/min.
2) Pre-shrinking: pre-shrinking in an overflow dyeing machine, only adding clean water into a dye vat, heating the clean water in the dye vat to 90 ℃ at the speed of 3 ℃/min, preserving heat for 10min, then heating to 125 ℃ at the speed of 2 ℃/min, preserving heat for 15min in the dye vat, finally cooling to 30 ℃ at the speed of 3 ℃/min, and taking out of the dye vat;
3) presetting: presetting the preshrunk cloth at 120 ℃ by a setting machine, wherein the width of the preset fabric is controlled to be 5-8 cm wider than that of a finished product, so that the cloth surface is fluffy and soft on the premise of being smooth;
through the preshrinking and pre-setting processes, the problems of knotting, cloth blockage, uneven cloth cover density, difficult control of width, color and pattern and the like are avoided when the fabric is dyed in the subsequent process.
4) Splitting: and (3) performing decrement fiber opening treatment on the fabric after the pre-setting, adding 30% NaOH into a dye vat: 6-10 g/L, sea island terylene fiber opening agent YZ-101: 2-4 g/L, bath ratio is 1: (15-20) heating the treatment solution in the dye vat to 95 ℃ at the speed of 2 ℃/min, keeping the temperature for 30min, heating to 60 ℃ at the speed of 1.5 ℃/min, washing for 20min, cooling to 40 ℃ at the speed of 3 ℃/min, and taking out of the dye vat;
5) dyeing: because the fabric contains a plurality of components and the dye uptake of different components is different, the temperature rise speed is strictly controlled in the dyeing process to prevent the generation of dyeing strips; dyeing the fabric subjected to fiber opening in a flow dyeing machine, adding 1-2 g/L of disodium ethylene diamine tetraacetate, 1-2 g/L of fatty alcohol-polyoxyethylene ether and 1-2 g/L of alkyl polyoxyethylene ether into a dye vat, then adding glacial acetic acid to adjust the pH value to 4-5, then adding 3-4 g/L of ammonium dihydrogen phosphate, and preparing the fabric with a bath ratio of 1: (15-20) heating the treatment solution in the dye vat to 80 ℃ at the speed of 1.5 ℃/min, preserving heat for 20min, heating to 125 ℃ at the speed of 2 ℃/min, preserving heat for 50-60 min in the dye vat, cooling to 40 ℃ at the speed of 1.5 ℃/min, and taking out of the dye vat;
6) reduction and cleaning: the fabric after dyeing is subjected to reduction cleaning treatment in an overflow dyeing machine, and loose color on the fabric during dyeing is washed away, which is very important for the fabric prepared from the multi-component fibers; adding 2-4 g/L thiourea dioxide into a dye vat, wherein the bath ratio is 1: (10-15) heating the treatment liquid in the dye vat to 80 ℃ at the speed of 1.5 ℃/min, preserving heat for 20min, cooling the treatment liquid in the dye vat to 40 ℃ at the speed of 2 ℃/min, and taking out;
7) dewatering and scutching: dewatering and scutching the fabric subjected to reduction cleaning to prepare for softening and shaping; the water content of the cloth after dehydration is controlled within 10 percent, so that no water stain trace appears on the cloth entering the pre-setting;
8) softening and shaping: the fabric after dewatering and scutching is padded with a fluffy softening agent p-benzoquinone dioxime, an antistatic agent NT-A011(NANOTEX corporation), an antistatic agent NT-A022(NANOTEX corporation) and a penetrant NT-W266(NANOTEX corporation) in a rolling groove at the front end of a setting machine, and then is set to a specified width at 160-170 ℃ by the setting machine.
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