CN113355792A - Preparation method of copper ammonia imitation knitted fabric and copper ammonia imitation knitted fabric prepared by preparation method - Google Patents
Preparation method of copper ammonia imitation knitted fabric and copper ammonia imitation knitted fabric prepared by preparation method Download PDFInfo
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- CN113355792A CN113355792A CN202110470055.9A CN202110470055A CN113355792A CN 113355792 A CN113355792 A CN 113355792A CN 202110470055 A CN202110470055 A CN 202110470055A CN 113355792 A CN113355792 A CN 113355792A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C9/00—Singeing
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/402—Amides imides, sulfamic acids
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
- D10B2201/24—Viscose
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- D—TEXTILES; PAPER
- 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
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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- D—TEXTILES; PAPER
- 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]
Abstract
The invention relates to a preparation method of a copper ammonia imitation knitted fabric and the prepared copper ammonia imitation knitted fabric, belonging to the field of textile dyeing and finishing, the preparation method comprises the steps of weaving yarn into grey cloth, scutching and singeing the grey cloth, dyeing the grey cloth with too soft cloth in a cylinder, tentering and drying the grey cloth with too soft dry cloth, brushing to form a layer of short fiber fluff with 0.1-0.3mm on the cloth surface, and over-softening and shaping, wherein the grey cloth adopts plain plaited plaiting texture or 1 x 1, 2 x 2 rib texture, the yarn components comprise regenerated cellulose fiber and chemical fiber, and the fabric prepared by the method. Compared with the prior art, the invention avoids the fiber opening agent treatment and sand washing treatment by using strong acid, strong alkali and the like, and the finished fabric has the hand feeling effect close to that of a cuprammonium fabric.
Description
Technical Field
The invention relates to the technical field of textile dyeing and finishing, in particular to a preparation method of a copper ammonia imitation knitted fabric and the copper ammonia imitation knitted fabric prepared by the preparation method.
Background
The cuprammonium fiber is a regenerated cellulose fiber, the cross section is circular, and the structure of the core is not had, the fabric made is soft to touch, soft in luster, similar to silk, is often used as high-grade fabric, and is deeply loved by consumers. Meanwhile, the price of the yarn is always high due to the tension of the raw materials and the limitation of the production process of the copper ammonia fiber, so that the application of the copper ammonia fiber to the clothes is greatly limited.
With the continuous development of processing technology in the field of textile dyeing and finishing in recent years, in order to obtain a fabric with a hand feeling effect close to that of a cuprammonium fabric and with a reduced cost, a common method in the industry is to perform splitting treatment on a viscose fabric, a tencel fabric or a modal fabric, mainly use auxiliaries such as strong acid or strong base and the like as a splitting agent, fibrillate the fabric at a certain temperature, and perform sand washing by using talcum powder or enzyme and the like to obtain the final effect of the cuprammonium fabric.
CN109056308A "a process for treating a fabric made of imitation copper ammonia fiber" discloses that concentrated sulfuric acid is used as a fiber opening agent to perform fiber opening treatment on a fabric made of a mixture of modal fibers and polyester fibers, and sand washing is combined to obtain the fabric made of imitation copper ammonia fiber.
CN1026444202A fibrillation treatment method of tencel fabric and preparation method of sanded tencel fabric disclose that sodium hydroxide is used as fiber opening agent, and fiber opening treatment is performed on tencel fabric in combination with sanding treatment. The alkaline agent used in the process has certain danger, and the fibers such as terylene, cuprammonium rayon and the like cannot resist strong hot alkali, the process application is limited, and the fiber opening bath ratio of the production process is 1: 10-1: 40, the bath ratio is large, energy is not saved, the environment is protected, meanwhile, fluff on the cloth surface after sanding treatment is longer, and the effect of the copper ammonia imitation fabric is not good.
In order to obtain the copper ammonia imitation fabric, the process in the prior art has high cost and certain limitation on production conditions.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a preparation method of a copper ammonia imitation knitted fabric and the copper ammonia imitation knitted fabric obtained by the method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a preparation method of a copper ammonia imitation knitted fabric, which comprises the following steps:
s00: weaving the yarns into grey cloth;
s10: performing scutching, singeing and dyeing treatment on the gray cloth to obtain a dyed cloth sample;
s20: tentering and drying the dyed cloth sample to obtain a dried cloth sample;
s30: brushing the front side of the dried cloth sample, and forming a layer of short fiber fluff with the thickness of 0.1-0.3mm on the cloth surface under the action of a brush rotated by a brushing machine to obtain a brushed cloth sample;
s40: carrying out soft setting treatment on the brushed cloth sample to obtain the copper-ammonia-like knitted fabric;
at SIn the step 00, the gray fabric adopts plain plaited plaiting weave or 1 x 1, 2 x 2 rib weave, the yarn components comprise regenerated cellulose fiber and chemical fiber, and the gram weight of the gray fabric is 160-2So as to ensure the flatness of the brushing surface and be beneficial to obtaining more uniform brushing effect;
in step S10, the dyeing process includes an in-cylinder over-softening process;
in step S20, the tenter drying includes a overdrying treatment.
The research of the invention finds that in order to obtain better brushing effect, the fabric needs to be controlled to be soft and fluffy in hand feeling, and meanwhile, the fabric cannot be smooth. Therefore, the invention can make up the defects of each other by combining the processes of cylinder over-softening (cylinder over-softening treatment in the step S10) and dry cloth over-softening (over-softening dry cloth treatment in the step S20 and over-softening setting treatment in the step S40), so that the cloth cover can be more fully fluffy and soft, the fabric is softer and fluffy, the fabric and the brush are more tightly jointed, the friction resistance is increased, the surface of the fabric can obtain short, uniform and dense fluff effect under the brush action of the brushing machine, the fluff feeling is more close to the effect of the cuprammonium fabric, and the product has smooth and plump hand feeling.
In the preferred embodiment of the present invention, in step S00, the yarn is woven by using a circular knitting machine, the number of needles of the circular knitting machine is 20 to 40, and the yarn count of the regenerated cellulose fiber yarn is 30S/1 to 50S/1.
More preferably, the number of the needles of the circular weft knitting machine is 28-32 needles, the yarn count of the yarn of the regenerated cellulose fiber is 32-40S/1, and the gram weight is 160-180g/m2。
The preferable technical scheme of the invention is that in the step S30, the brushing machine is a single-layer or double-layer brushing machine, the number of brushing rollers on a large cylinder of the brushing machine is 6 rollers or 8 rollers, the brush type of the brushing rollers is carbon fiber or ceramic fiber, the tension of the bristles is 25-50kg, and the brushing speed is 10-30 m/min.
In the above technical solution, preferably, in step S30, the brushing process includes selecting a double-layer brushing machine for brushing once, selecting ceramic fibers for the upper layer brush, selecting carbon fibers for the lower layer brush, setting the brushing tension at 30-45kg, the brushing speed at 18-25m/min, and setting the number of brushing rollers on the large cylinder of the brushing machine at 6 rollers.
More preferably, the groomer device is a NF-988 type groomer manufactured by Guandong Nafa textile machinery, Inc., but is not so limited.
The invention researches and discovers that the brushing process is the most important process, the cellulose fiber on the front surface of the cloth cover is etched under the action of the rotating brush of the fabric made of the dry cloth, a layer of short fiber fluff which is tightly covered and ultrashort is formed on the cloth cover, the length of the fluff is uniform, and the fluff has certain glossiness, so that the softness, the fluff feeling and the drapability similar to those of the cuprammonium fabric are formed. Compared with the sanding process in the prior art, the fluff of the fabric is shorter, denser and more uniform, and is closer to the hand feeling effect of the cuprammonium fabric.
In the preferred technical scheme of the invention, in the step S00, the front surface of the gray cloth is the regenerated cellulose fiber, the back surface of the gray cloth is the chemical fiber, the proportion of the regenerated cellulose fiber is higher than that of the chemical fiber, and the proportion of the regenerated cellulose fiber is 55-85%.
In the above technical solution, preferably, the regenerated cellulose fiber is one of rayon fiber, modal fiber and tencel fiber, and the chemical fiber is polyester or nylon filament.
Researches show that different fabric components and fabric types have larger difference in brushing effect, the gray cloth adopted by the invention comprises two yarns, the components are regenerated cellulose fibers and polyester or nylon filaments, the front side of the gray cloth is the regenerated cellulose fibers, the touch feeling is softer, the breaking strength of the gray cloth is smaller than that of cotton, the fibrillation effect can be obtained through brushing treatment, and the back side of the gray cloth is the polyester or nylon filaments, so that the strength of the cloth surface is improved, larger brushing tension is borne, and better velvet feeling of the cloth surface is ensured.
The preferable technical scheme of the invention is that in the step S10, the singeing treatment is front singeing pretreatment, which mainly removes long hairiness on the cloth cover to achieve the consistent length of the hairiness on the cloth cover, so as to be beneficial to obtaining neat fluff during subsequent brushing, and the adopted process is an industry conventional process.
The preferable technical scheme of the invention is that in the step S10, the in-cylinder softening treatment in the dyeing process is to soften the soap-washed cloth in a dyeing machine, wherein the softening working solution comprises 2-10g/L of softening agent, the pH value of the working solution is adjusted to 5-7, and the cloth is treated for 20-50min at 50-70 ℃.
In the technical scheme, preferably, the concentration of the softening agent is 4-6g/L, the pH value of the working solution is adjusted to 5-6, and the treatment condition is 60 ℃ for 30min.
The preferable technical scheme of the invention is that in the step S20, tentering and drying, the dyed cloth sample is subjected to scutching and water rolling, then padding soft finishing liquid is carried out, drying is carried out at the temperature of 130-170 ℃ after padding, and meanwhile, the dyed cloth sample is subjected to edge sizing treatment, wherein the soft finishing liquid comprises 30-100g/L of raising agent and 3-10g/L of softening agent.
More preferably, the raw material composition of the soft finishing liquid comprises 50-70g/L of raising agent and 4-6g/L of softening agent.
The preferable technical scheme of the invention is that in the step S40, the soft setting finishing liquid used in the soft setting treatment comprises 10-100g/L fluffy smooth silicone oil, 10-100g/L modified silicone oil, 1-5g/L softening agent and 1-5g/L penetrating agent.
More preferably, the raw material composition of the soft sizing finishing liquid comprises 50-80g/L fluffy smooth silicone oil, 50-80g/L modified silicone oil, 1-3g/L penetrating agent and 3-5g/L softening agent in terms of volume of the soft sizing finishing liquid.
In the above method, preferably, the kind of the softening agent is a fatty amide-based compound.
In the above method, preferably, the fluffy smooth silicone oil includes, but is not limited to, GS-6475B produced by Aquilaria sinensis.
In the method, the modified silicone oil preferably comprises 3300F produced by shenzhen diewei science and technology limited, but is not limited thereto, and the modified silicone oil provided by the invention is a silicone compound emulsion containing high-reactivity groups.
The cuprammonium fabric has soft hand feeling, smoothness and approximate silk feeling, and the soft sizing finishing liquid provided by the invention combines fluffy smooth silicone oil and modified silicone oil for use, so that the defects caused by single soft oil or silicone oil are fundamentally overcome, the velvet feeling effect of the fabric is further improved, meanwhile, the modified silicone oil endows the fabric with smoothness and stiffness, and the fabric is richer in elasticity, so that the cuprammonium knitted fabric similar to the cuprammonium fabric with softness, velvet feeling, luster and drapability is obtained.
The preferable technical scheme of the invention is that the penetrating agent is polyoxyethylene ether.
In the actual production, the sequence of brushing treatment, dyeing treatment and over-softening of dry cloth in the conventional process of the industry can be changed, and the method belongs to the conventional operation of the industry, so that the same fabric effect of the invention can be achieved by changing part of the process flow in the steps, for example, the fabric imitating cuprammonium is brushed first and then is dyed and softened subsequently, so as to achieve the fabric imitating cuprammonium mentioned in the invention, and the following derived technical scheme is adopted:
the invention provides a preparation method of a copper ammonia imitation knitted fabric, which comprises the following steps:
s00: weaving the yarns into grey cloth;
s10: scutching and singeing the gray cloth to obtain a singed cloth sample;
s20: brushing the front side of the singed cloth sample, and forming a layer of short fiber fluff with the thickness of 0.1-0.3mm on the cloth surface under the action of a brush rotated by a brushing machine to obtain a brushed cloth sample;
s30: dyeing, tentering and drying the brushed cloth sample to obtain a dried cloth sample;
s40: carrying out soft setting treatment on the dried cloth sample to obtain the copper-ammonia-like knitted fabric;
in step S00, the gray fabric adopts plain plaited weave or 1 x 1, 2 x 2 rib weave, the yarn component includes regenerated cellulose fiber and chemical fiber, the gram weight of the gray fabric is 160-2；
In step S20, the dyeing process includes an in-cylinder over-softening process;
in step S20, the tenter drying includes a overdrying treatment.
The invention provides a copper ammonia imitation knitted fabric which is prepared by the preparation method.
The invention has the beneficial effects that:
1) the invention researches and finds that proper fabric components, weave structures and knitting processes are of great importance to the fluff touch effect of finished fabric after brushing, and by limiting the weave structures and the fabric components of the gray cloth and designing the knitting processes such as yarn count, needle count, yarn length and the like, the woven gray cloth is flat and compact in cloth cover, is more beneficial to the subsequent brushing process, obtains more uniform brushing effect and lays a foundation for obtaining the copper ammonia imitation fabric.
2) According to the invention, through optimization of brushing process parameters and by utilizing the high-speed rotating brush function of the brushing machine, the cellulose fibers on the front surface of the cloth cover are slightly etched to play a role similar to fiber opening, so that the softness and velvet feeling similar to those of a cuprammonium fabric are formed, compared with the prior art, the treatment of fiber opening agents such as strong acid and strong alkali and sand washing treatment are avoided, the production flow is simplified, and the effects of energy conservation and environmental protection are achieved; compared with the sanding process mentioned in the prior patent, the fluff of the fabric is shorter, denser and more uniform, and is closer to the hand feeling effect of the cuprammonium fabric.
3) The invention further optimizes and combines the raw material composition of the soft setting finishing liquid after the dry cloth is softened and brushed, and after the soft setting finishing liquid is adopted for soft setting finishing, the brushing effect is improved, and the finished fabric is softer and smoother and has good drapability, thereby obtaining the cuprammonium knitted fabric with softness, velvet feeling, luster and drapability.
4) In addition, compared with the copper ammonia imitation knitted fabric processed by the traditional chemical method, the cost is lower, the production cost is basically the same except that blank weaving and dyeing, and after other production costs are calculated, the cost of the existing chemical method is about 25 yuan/kg cloth, the fabric is more environment-friendly, and extra waste water discharge is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a copper ammonia imitation knitted fabric of example 1 of a method for manufacturing a copper ammonia imitation knitted fabric and a copper ammonia imitation knitted fabric manufactured by the method of the present invention;
FIG. 2 is an enlarged view of the copper ammonia imitation knitted fabric of example 1 of the method for manufacturing the copper ammonia imitation knitted fabric and the manufactured copper ammonia imitation knitted fabric according to the invention;
fig. 3 is a copper ammonia imitation knitted fabric of example 5 of a method for manufacturing a copper ammonia imitation knitted fabric and the copper ammonia imitation knitted fabric manufactured thereby according to the present invention;
fig. 4 is an enlarged view of the cuprammonium imitation knitted fabric of example 5 of the method for producing the cuprammonium imitation knitted fabric and the cuprammonium imitation knitted fabric produced by the method of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments.
Example 1
The embodiment provides a copper ammonia imitation knitted fabric.
The fabric is a 40S/1 rayon fiber and 50D/72F polyester low stretch yarn plain fabric, wherein the ratio of rayon to polyester is 73%/27%, and the gram weight is 160g/m2The production method comprises the following steps:
1) singeing: singeing at the front side, wherein the vehicle speed is 90m/min, and the singeing machine is a new mechanical company, Inc.
2) Boiling: 2g/L of refining agent, 2g/L of caustic soda and 3g/L of H2O2And (3) solution. The boiling-off temperature is 95 deg.C, and the treatment time is 50 min.
3) Dyeing: dispersing black: 1.2%, disperse dark red: 0.04%, disperse yellow brown: 1.0%, reactive black: 1.2% owf, reactive yellow: 0.4% owf, reactive red: 0.34% owf, bath ratio 1: 5, the using amount of anhydrous sodium sulphate is 1.5g/L, and the using amount of soda is 1.5 g/L.
Soaping: the dosage of the alkaline agent is 2.5g/L, the dosage of the sodium hydrosulfite is 3g/L, and the reduction cleaning is carried out for 2 times.
Scouring, dyeing and soaping are conventional processes in the industry, and the same is true below.
4) And (3) softening the cylinder: 6g/L of softening agent, 5.5 of pH value of working solution and 30min of treatment condition of 60 ℃.
5) Over-softening and drying cloth: padding the soft finishing liquid and drying at 155 ℃ for 1.2 min. The soft finish is shown in table 1.
TABLE 1
| Components | Name/model number | Dosage of | Manufacturer of the product |
| Softening agent | DM-3255 | 6g/L | German chemical Co., Ltd |
| Raising agent | DM-3719 | 70g/L | German chemical Co., Ltd |
6) Brushing: and brushing the semi-finished cloth after drying the cloth, wherein the brushing process comprises the steps of brushing once by using a double-roller brushing machine, selecting ceramic fibers for an upper brush, selecting carbon fibers for a lower brush, setting the tension of the bristles to be 4kgG, setting the brushing speed to be 20m/min and setting the number of brushing rollers to be 6.
7) Over-softening and shaping: and (3) padding the brushed cloth sample with soft finishing liquid and drying at 155 ℃ for 1.2min, and adjusting the width and the gram weight of the finished product. The soft finish is shown in table 2.
TABLE 2
| Components | Name/model number | Dosage of | Manufacturer of the product |
| Fluffy soft smooth silicone oil | GS-6475B | 70g/L | Dongguan Boke chemical Co Ltd |
| Modified silicone oil | 3300F | 60g/L | Shenzhen Diwei science and technology Co Ltd |
| Softening agent | DM-3255 | 3g/L | German chemical Co., Ltd |
| Penetrant | JFC | 1g/L | DONGGUAN JIAHONG SILICON TECHNOLOGY Co.,Ltd. |
Through the steps, the copper ammonia imitation knitted fabric is obtained, the cloth cover is fine and smooth in fluff, soft and smooth in hand feeling and soft in luster, the fabric is similar to a copper ammonia fabric, the production flow is simplified, and various physical properties meet requirements of national standard.
Example 2
The embodiment provides a copper ammonia imitation knitted fabric.
The fabric is a 40S/1 tencel fiber and 100D/144F terylene low stretch yarn plain weave, wherein the ratio of tencel to terylene is 58%/42%, and the gram weight is 200g/m2The production method comprises the following steps:
1) singeing: singeing at the front side, wherein the vehicle speed is 90m/min, and the singeing machine is a new mechanical company, Inc.
2) Boiling: 2g/L of refining agent, 2g/L of caustic soda and 3g/L of H2O2And (3) solution. The boiling-off temperature is 95 deg.C, and the treatment time is 50 min.
3) Dyeing: dispersing black: 0.2%, deep red dispersion: 1.04%, disperse yellow brown: 1.0%, reactive black: 0.02% owf, reactive yellow: 1.4% owf, reactive red: 0.24% owf, bath ratio 1: 5, the using amount of anhydrous sodium sulphate is 1.5g/L, and the using amount of soda is 1.5 g/L.
Soaping: the dosage of the alkaline agent is 2.5g/L, the dosage of the sodium hydrosulfite is 3g/L, and the reduction cleaning is carried out for 2 times.
4) And (3) softening the cylinder: 6g/L of softening agent, 5.5 of pH value of working solution and 30min of treatment condition of 60 ℃.
5) Over-softening and drying cloth: padding the soft finishing liquid and drying at 155 ℃ for 1.2 min. The soft finish is shown in table 3.
TABLE 3
| Components | Name/typeNumber (C) | Dosage of | Manufacturer of the product |
| Softening agent | DM-3255 | 5g/L | German chemical Co., Ltd |
| Raising agent | DM-3719 | 65g/L | German chemical Co., Ltd |
6) Brushing: and brushing the semi-finished cloth after drying the cloth, wherein the brushing process comprises the steps of brushing once by using a double-roller brushing machine, selecting ceramic fibers for an upper brush, selecting carbon fibers for a lower brush, setting the tension of the bristles to be 4kgG, setting the brushing speed to be 20m/min and setting the number of brushing rollers to be 6.
7) Over-softening and shaping: and (3) padding the brushed cloth sample with soft finishing liquid and drying at 155 ℃ for 1.2min, and adjusting the width and the gram weight of the finished product. The soft finish is shown in table 4.
TABLE 4
Through the steps, the copper ammonia imitation knitted fabric is obtained, the cloth cover is fine and smooth in fluff, soft and smooth in hand feeling and soft in luster, the fabric is similar to a copper ammonia fabric, the production flow is simplified, and various physical properties meet requirements of national standard.
Example 3
The embodiment provides a copper ammonia imitation knitted fabric.
The fabric is 40S/1 rayon fiber and 50D/72F terylene low stretch yarn 1 x 1 rib, and the gram weight is 180g/m2The production method comprises the following steps:
1) singeing: singeing at the front side, wherein the vehicle speed is 90m/min, and the singeing machine is a new mechanical company, Inc.
2) Boiling: 2g/L of refining agent, 2g/L of caustic soda and 3g/L of H2O2And (3) solution. The boiling-off temperature is 95 deg.C, and the treatment time is 50 min.
3) Dyeing: dispersing black: 0.2%, deep red dispersion: 0.04%, disperse yellow brown: 2.04%, reactive black: 0.2% owf, reactive yellow: 1.4% owf, reactive red: 0.34% owf, bath ratio 1: 5, the using amount of anhydrous sodium sulphate is 1.5g/L, and the using amount of soda is 1.5 g/L.
Soaping: the dosage of the alkaline agent is 2.5g/L, the dosage of the sodium hydrosulfite is 3g/L, and the reduction cleaning is carried out for 2 times.
4) And (3) softening the cylinder: 6g/L of softening agent, 5.5 of pH value of working solution and 30min of treatment condition of 60 ℃.
5) Over-softening and drying cloth: padding the soft finishing liquid and drying at 155 ℃ for 1.2 min. The soft finish is shown in table 1.
6) Brushing: and brushing the semi-finished cloth after drying the cloth, wherein the brushing process comprises the steps of brushing once by using a double-roller brushing machine, selecting ceramic fibers for an upper brush, selecting carbon fibers for a lower brush, setting the tension of the bristles to be 4kgG, setting the brushing speed to be 20m/min and setting the number of brushing rollers to be 6.
7) Over-softening and shaping: and (3) padding the brushed cloth sample with soft finishing liquid and drying at 155 ℃ for 1.2min, and adjusting the width and the gram weight of the finished product. The soft finish is shown in table 5.
TABLE 5
| Components | Name/model number | Dosage of | Manufacturer of the product |
| Fluffy soft smooth silicone oil | GS-6475B | 70g/L | Dongguan Boke chemical Co Ltd |
| Modified silicone oil | 3300F | 75g/L | Shenzhen Diwei science and technology Co Ltd |
| Softening agent | DM-3255 | 5g/L | German chemical Co., Ltd |
| Penetrant | JFC | 1g/L | DONGGUAN JIAHONG SILICON TECHNOLOGY Co.,Ltd. |
Through the steps, the copper ammonia imitation knitted fabric obtained in the embodiment has fine and smooth cloth surface fluff, soft and smooth hand feeling and soft luster, is similar to a copper ammonia fabric, and meanwhile, the production flow is simplified, and various physical properties meet the national standard.
Comparative example 1
Referring to the production flow of the finished fabric 1 in example 1, in this comparative example, only the soft setting finishing liquid in the soft setting finishing process was adjusted, specifically as shown in table 6, and the remaining production flows were the same as the production flow of the finished fabric in example 1, and finally the comparative fabric 1 was obtained.
TABLE 6 raw material composition of Soft sizing finishing liquor
The finished fabric 1 provided in example 1 and the comparative fabric 1 provided in comparative example 1 were subjected to a performance test, and the results of the comparison after the test are shown in table 7.
TABLE 7 comparative results
Note: 1. products with Stiffness (Stiffness), slip (smoothening) and Softness (Softness) values produced by Nu Cybertek, Inc
The absolute values of the three parameters are larger, which is measured by a system (Chinese is translated into a 'legal instrument' or a 'legal system'), and respectively indicate that the parameters are stiffer, smoother and softer;
as can be seen from table 7: the finished fabric 1 has a small absolute value of Stiffness (Stiffness), a large absolute value of smoothness (smoothness), a large absolute value of Softness (Softness), and fine and smooth cloth surface fluff and soft luster; compared with the fabric prepared by a single softening agent in the comparative example 1, the fabric treated by the soft setting finishing liquid provided by the invention has finer and smoother surface fluff, softer and smoother hand feeling, and soft luster, and is more similar to a cuprammonium fabric.
Comparative example 2
Referring to the production flow of the finished fabric 1 in example 1, in the comparative example, only the bristle finishing is adjusted, the brushing treatment is adopted instead, the specific process is an industry conventional process, the rest production flows are the same as the production flow of the finished fabric in example 1, and finally the comparative fabric 2 is obtained.
The finished fabric 1 provided in example 1 and the comparative fabric 2 provided in comparative example 2 were subjected to performance tests, and the results of the tests are shown in table 8.
TABLE 8 comparative results
As can be seen from table 8: the absolute value of Stiffness (Stiffness) of the finished fabric 1 is small, the absolute value of smoothness (smoothness) is large, the absolute value of Softness (Softness) is large, although the difference from the example 1 is not large, the fluff of the fabric surface of the comparative example 2 is long and irregular, the hand feeling and the gloss of the fabric are seriously influenced, and the fabric is far from a cuprammonium fabric. Compared with the fabric in the embodiment 1, the fabric provided by the invention has finer and smoother fluff on the surface, softer and smoother hand feeling and soft luster, and is more similar to a cuprammonium fabric.
Comparative example 3
Referring to the production flow of the finished fabric 1 in example 1, in the comparative example, only the bristle finishing was adjusted, the bristle process was performed by selecting a single-roller brushing machine for brushing once, the carbon fiber was selected for the brush, the bristle tension was 25kg, the bristle speed was 25m/min, the number of brushing rollers was 8, and the remaining production flows were the same as those of the finished fabric in example 1, and finally, a comparative fabric 3 was obtained.
The finished fabric 1 provided in example 1 and the comparative fabric 3 provided in comparative example 3 were subjected to performance tests, and the results of the tests are shown in table 9.
TABLE 9 comparative results
As can be seen from table 9: the absolute value of the Stiffness (Stiffness) of the finished fabric 1 is small, the absolute value of the smoothness (smoothness) is large, and the absolute value of the Softness (Softness) is large, and meanwhile, the fluff on the surface of the fabric in the comparative example 3 is sparse, so that the hand feeling and the gloss of the fabric are seriously influenced, and the fabric is far different from a cuprammonium fabric. Compared with the fabric in the embodiment 1, the fabric provided by the invention has finer and smoother fluff on the surface, softer and smoother hand feeling and soft luster, and is more similar to a cuprammonium fabric.
Comparative example 4
Referring to the production flow of the finished fabric 1 in example 1, the comparative example only adjusts the components of example 1, and changes the components into a 40S/1 pure cotton fiber and 50D/72F terylene low stretch yarn plain weave, wherein the proportion of the pure cotton fiber to the terylene is 73%/27%, and the gram weight is 160g/m2And the rest production flow is the same as that of the finished fabric in the example 1, and finally the comparative fabric 4 is obtained.
The finished fabric 1 provided in example 1 and the comparative fabric 4 provided in comparative example 4 were subjected to performance tests, and the results of the tests are shown in table 10.
TABLE 10 comparative results
As can be seen from table 10: the finished fabric 1 has a small absolute value of Stiffness (Stiffness), a large absolute value of smoothness (smoothness), a large absolute value of Softness (Softness), long and messy fluff on the surface of the fabric and dark luster; the fact that the cotton fibers are adopted on the front side to verify that the hand feeling and the brushing effect of the cloth cover are influenced is shown, and compared with the fabric in the embodiment 1, the fabric provided by the invention has the advantages that the fluff of the cloth cover is finer, the hand feeling is softer and smoother, the luster is soft, and the fabric is more similar to a cuprammonium fabric.
Comparative example 5
The same composition of the gray cloth in example 1 was used, and the production flow of this comparative example 5 was followed by opening the fabric using concentrated sulfuric acid as an opening agent as mentioned in CN109056308A "a process for treating a fabric made of imitation copper ammonia fiber", and sand washing was combined to obtain the comparative fabric 5.
The finished fabric 1 provided in example 1 and the comparative fabric 5 provided in comparative example 5 were subjected to performance tests, and the results of the tests are shown in table 11.
TABLE 11 comparative results
As can be seen from table 11: compared with the fabric of example 1, the finished fabric has basically the same hand feeling and style, which shows that the fabric obtained by the production method provided by the invention can reach the copper ammonia fabric produced by the existing process.
The fabric of the embodiment 1 is apricot color, the fabric of the comparative example 5 is gray color, and as can be seen from comparison of fig. 1 and fig. 3 with fig. 2 and fig. 4, the appearance of the copper ammonia imitation knitted fabric obtained by the traditional chemical treatment is similar to that of the copper ammonia imitation knitted fabric obtained by the invention, the appearance of the copper ammonia imitation knitted fabric is invisible to naked eyes, and the stylistic effects such as hand feeling and the like are basically consistent; on the other hand, the amplified observation shows that the hairiness of the copper ammonia imitation knitted fabric obtained by the invention is relatively more than that of the copper ammonia imitation knitted fabric obtained by chemical treatment.
The summary is as follows:
(1) the invention researches and finds that proper fabric components, weave structures and knitting processes are of great importance to the fluff touch effect of finished fabric after brushing, and the woven grey cloth is flat, compact and stiff in cloth surface, is more beneficial to subsequent brushing process and obtains more uniform brushing effect by limiting the grey cloth weave structures and the fabric components and designing the knitting processes such as yarn count, needle count, yarn length and the like, thereby laying a foundation for obtaining the copper ammonia imitation fabric.
(2) According to the invention, through optimization of brushing process parameters and by utilizing the high-speed rotating brush function of the brushing machine, the cellulose fibers on the front surface of the cloth cover are slightly etched to play a role similar to fiber opening, so that the softness and velvet feeling similar to those of a cuprammonium fabric are formed, compared with the prior art, the treatment of fiber opening agents such as strong acid and strong alkali and sand washing treatment are avoided, the production flow is simplified, and the effects of energy conservation and environmental protection are achieved; compared with the sanding process mentioned in the prior patent, the fluff of the fabric is shorter, denser and more uniform, and is closer to the hand feeling effect of the cuprammonium fabric.
(3) The invention further optimizes and combines the raw material composition of the soft setting finishing liquid after the dry cloth is softened and brushed, and after the soft setting finishing liquid is adopted for soft setting finishing, the brushing effect is improved, and the finished fabric is smoother and has good drapability, thereby obtaining the cuprammonium knitted fabric with softness, velvet feeling, luster and drapability.
(4) In addition, compared with the copper ammonia imitation knitted fabric processed by the traditional chemical method, the cost is lower, the production cost is basically the same except that blank weaving and dyeing, and after other production costs are calculated, the cost of the existing chemical method is about 25 yuan/kg cloth, the fabric is more environment-friendly, and extra waste water discharge is reduced.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (10)
1. A preparation method of a copper ammonia imitation knitted fabric is characterized by comprising the following steps:
s00: weaving the yarns into grey cloth;
s10: performing scutching, singeing and dyeing treatment on the gray cloth to obtain a dyed cloth sample;
s20: tentering and drying the dyed cloth sample to obtain a dried cloth sample;
s30: brushing the front side of the dried cloth sample, and forming a layer of short fiber fluff with the thickness of 0.1-0.3mm on the cloth surface under the action of a brush rotated by a brushing machine to obtain a brushed cloth sample;
s40: carrying out soft setting treatment on the brushed cloth sample to obtain a copper-ammonia-like knitted fabric;
in step S00, the blank fabric adopts plain plaited weave or 1 x 1, 2 x 2 rib weave, the yarn components include regenerated cellulose fiber and chemical fiber, the gram weight of the blank fabric is 160-220g/m2；
In step S10, the dyeing process includes an in-cylinder over-softening process;
in step S20, the tenter drying includes a overdrying process.
2. The preparation method of the imitation copper ammonia knitted fabric according to claim 1, characterized by comprising the following steps:
in the step S30, the brushing machine is a single-layer or double-layer brushing machine, the number of brushing rollers on a large cylinder of the brushing machine is 6 rollers or 8 rollers, the brush type of the brushing rollers is carbon fiber or ceramic fiber, the tension of the bristles is 25-50kg, and the brushing speed is 10-30 m/min.
3. The preparation method of the imitation copper ammonia knitted fabric according to claim 1, characterized by comprising the following steps:
in step S00, the front side of the gray cloth is made of regenerated cellulose fibers and the back side of the gray cloth is made of chemical fibers, the proportion of the regenerated cellulose fibers is higher than that of the chemical fibers, and the proportion of the regenerated cellulose fibers is 55-85%.
4. The preparation method of the imitation copper ammonia knitted fabric according to claim 1, characterized by comprising the following steps:
in the step S10, the softening treatment in the cylinder is to soften the soap-washed cloth in a dyeing machine, wherein the softening working solution comprises 2-10g/L of softening agent, the pH value of the working solution is adjusted to 5-7, and the treatment is carried out for 20-50min at the temperature of 50-70 ℃.
5. The preparation method of the imitation copper ammonia knitted fabric according to claim 4, characterized by comprising the following steps:
the concentration of the softening agent is 4-6g/L, the pH value of the working solution is 5-6, and the treatment condition is that the treatment is carried out for 30min at 60 ℃.
6. The preparation method of the imitation copper ammonia knitted fabric according to claim 1, characterized by comprising the following steps:
in the step S20, the tentering and drying step is to perform scutching and water rolling on the dyed fabric sample, then padding the dyed fabric sample with a soft finishing liquid, drying the dyed fabric sample at the temperature of 130-170 ℃ after padding, and simultaneously performing edge sizing treatment on the over-soft fabric sample, wherein the soft finishing liquid comprises 30-100g/L of raising agent and 3-10g/L of softening agent.
7. The preparation method of the imitation copper ammonia knitted fabric according to claim 1, characterized by comprising the following steps:
in the step S40, the over-softening and shaping treatment is realized by using a softening and shaping finishing liquid, wherein the softening and shaping finishing liquid comprises 10-100g/L fluffy smooth silicone oil, 10-100g/L modified silicone oil, 1-5g/L softening agent and 1-5g/L penetrating agent.
8. The preparation method of the imitation copper ammonia knitted fabric according to claim 1, characterized by comprising the following steps:
the regenerated cellulose fiber is one of rayon fiber, modal fiber and tencel fiber, and the chemical fiber is polyester or nylon filament.
9. A preparation method of a copper ammonia imitation knitted fabric is characterized by comprising the following steps:
s00: weaving the yarns into grey cloth;
s10: scutching and singeing the gray cloth to obtain a singed cloth sample;
s20: brushing the front side of the singed cloth sample, and forming a layer of short fiber fluff with the thickness of 0.1-0.3mm on the cloth surface under the action of a brush rotated by a brushing machine to obtain a brushed cloth sample;
s30: dyeing, tentering and drying the brushed cloth sample to obtain a dried cloth sample;
s40: carrying out soft setting treatment on the dried cloth sample to obtain a copper-ammonia-like knitted fabric;
in step S00, the blank fabric adopts plain plaited weave or 1 x 1, 2 x 2 rib weave, the yarn components include regenerated cellulose fiber and chemical fiber, the gram weight of the blank fabric is 160-220g/m2；
In step S20, the dyeing process includes an in-cylinder over-softening process;
in step S20, the tenter drying includes a overdrying process.
10. The utility model provides an imitative copper ammonia knitted fabric which characterized in that:
the imitation copper ammonia knitted fabric is prepared by the preparation method of any one of claims 1 to 9.
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| JPH0797764A (en) * | 1993-09-28 | 1995-04-11 | Toyobo Co Ltd | Production of raised fabric |
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| CN106757670A (en) * | 2016-12-20 | 2017-05-31 | 江苏金太阳纺织科技股份有限公司 | A kind of anti pilling brushed fabric and its manufacture method |
| CN109056308A (en) * | 2018-07-18 | 2018-12-21 | 浙江劲光纺织科技有限公司 | A kind for the treatment of process of imitative copper ammonia fiber fabric |
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2021
- 2021-04-28 CN CN202110470055.9A patent/CN113355792B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0797764A (en) * | 1993-09-28 | 1995-04-11 | Toyobo Co Ltd | Production of raised fabric |
| CN102031657A (en) * | 2009-10-01 | 2011-04-27 | 华纺股份有限公司 | Machining process of peach skin cotton fabric |
| CN104389087A (en) * | 2014-12-11 | 2015-03-04 | 宁波大千纺织品有限公司 | Anti-pilling ultra-soft interlock fabric with polyester peach skin hand feeling and fabrication method of ultra-soft interlock fabric |
| CN106757670A (en) * | 2016-12-20 | 2017-05-31 | 江苏金太阳纺织科技股份有限公司 | A kind of anti pilling brushed fabric and its manufacture method |
| CN109056308A (en) * | 2018-07-18 | 2018-12-21 | 浙江劲光纺织科技有限公司 | A kind for the treatment of process of imitative copper ammonia fiber fabric |
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