CN111549422A - Production method of industrial hemp and lyocell interwoven fabric - Google Patents
Production method of industrial hemp and lyocell interwoven fabric Download PDFInfo
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- CN111549422A CN111549422A CN202010273591.5A CN202010273591A CN111549422A CN 111549422 A CN111549422 A CN 111549422A CN 202010273591 A CN202010273591 A CN 202010273591A CN 111549422 A CN111549422 A CN 111549422A
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- D—TEXTILES; PAPER
- 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
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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
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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
- D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
- D06C15/02—Calendering, pressing, ironing, glossing or glazing textile fabrics between co-operating press or calender rolls
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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
- D06C17/00—Fulling
- D06C17/02—Fulling by rollers
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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
- D06C9/02—Singeing by flame
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- D06L1/14—De-sizing
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—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 reactive dyes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/828—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl groups
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
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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
- D10B2201/01—Natural vegetable fibres
-
- 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
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/022—Moisture-responsive characteristics hydrophylic
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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
- D10B2401/00—Physical properties
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
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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
- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
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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
- D10B2401/00—Physical properties
- D10B2401/22—Physical properties protective against sunlight or UV radiation
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention provides a production method of an industrial hemp and lyocell interwoven fabric, which comprises the following steps: tissue specification design, pretreatment, dyeing and after-treatment. The industrial hemp fabric obtained by the production method overcomes the defects of rough hand feeling, stiffness and hardening of industrial hemp products, and has soft, smooth and comfortable hand feeling and strong texture.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a production method of an industrial hemp and lyocell interwoven fabric.
Background
Industrial hemp is an environment-friendly fiber material, which is used as a green fiber, and the product of the fiber material has excellent functions of antibiosis, deodorization, moisture absorption, ventilation, static resistance, ultraviolet resistance, radiation resistance and the like, and the existence of the functions makes hemp textiles popular in the textile industry; in addition, industrial hemp is easy to plant and has high yield, so that industrial hemp becomes a new textile material which is emphasized and encouraged by the nation.
However, the industrial hemp fibers have the defects of high crystallinity and high rigidity, which are not beneficial to the smooth progress of the textile process, and the fabric products containing the industrial hemp fibers have the defects of rough hand feeling and stiff and hardened hand feeling, and the application and development of the industrial hemp fabric are always restricted by the defects of the industrial hemp fibers and the hand feeling of the fabric.
Disclosure of Invention
Aiming at the defects of the existing products, the invention provides a production method of an industrial hemp and lyocell interwoven fabric, and the industrial hemp fabric obtained by using the production method overcomes the defects of rough hand feeling, stiff and hardened industrial hemp products, soft, smooth and comfortable hand feeling and strong texture.
The technical scheme of the invention is as follows:
a production method of industrial hemp and lyocell interwoven fabric comprises the following steps: tissue specification design, pretreatment, dyeing and after-treatment.
The production method of the industrial hemp and lyocell interwoven fabric comprises the following steps:
(1) designing the organization specification:
the warp direction adopts Lyocell yarns, the weft direction adopts industrial hemp yarns, the weight of the Lyocell yarns accounts for 30-70%, and the weight of the industrial hemp yarns accounts for 30-70%;
(2) pretreatment:
singeing, cold pad batch desizing and open width oxygen bleaching;
(3) dyeing:
adopting cold pad batch dyeing: the rolling allowance is 55%, the vehicle speed is 25-50 m/min, and the stacking time is 8-16 hours; cold dyeing is carried out by using 0-6 g/L of reactive dye, 1-4 g/L of fixation alkali, controlling the liquid level to be 4-5 times of hectometer liquid absorption amount, piling, and washing and drying by using an open-width washing machine;
(4) and (3) after finishing:
the post-finishing process of tentering, softening, preshrinking and calendering is adopted.
Preferably, in the step (1), the yarn count of the lyocell yarn is 7-80 inches, the spinning mode adopts compact spinning or siro compact spinning, and the spinning mode adopts compact spinning or siro compact spinning, so that the strength and the hairiness performance of the yarn and the product are improved.
Preferably, in the step (1), the yarn count of the industrial hemp yarn is 7-36 English counts, the industrial hemp bleached yarn is adopted, the industrial hemp yarn is bleached in advance, the use amount of an alkaline agent and an oxidizing agent in the pretreatment desizing and oxygen bleaching process is reduced, and the strength loss of the lyocell yarn is small.
Preferably, in the step (2), the singeing process is as follows: the singeing mode adopts two positive and two negative, the vehicle speed is 90-130 m/min, the flame temperature is 1000-1150 ℃, and the wind pressure is 14-18 Mbar.
Preferably, in step (2), the cold pad-batch desizing process is as follows: adopting multi-dipping and multi-rolling equipment, desizing at room temperature, stacking for 5-8 hours with the rolling residue rate of 95-100%, 8-12 g/L of sodium hydroxide, 8-12 g/L of hydrogen peroxide, 8-16 g/L of refining agent and 2 g/L of penetrating agent.
Preferably, in the step (2), the open width oxygen bleaching process is as follows: adopting open-width single-track equipment, wherein a first grid of a rinsing bath is 75-80 ℃, a second grid is 85-90 ℃, a third grid is 90-95 ℃, water is added to flow backwards one grid after another, the high liquid supply rate of an oxygen bleaching rolling trough is 100%, the steaming temperature is 95-98 ℃, the steaming time is 20-30 minutes, hydrogen peroxide is 2.5-3.5 g/L, a stabilizer is 1-2 g/L, a dewaxing agent is 4-6 g/L, a dispersing chelating agent is 1.5-2.5 g/L, and soda is 1.5-2.5 g/L; after the water is discharged from the track, the first and second lattices of the rinsing bath are 90-95 ℃, the third lattice is 85-90 ℃ and the fourth lattice is 80-85 ℃, water is added to flow backwards one by one, and then the water is dried.
Preferably, in the step (4), the tenter softening process is: the method adopts immersion-pressing type finishing, uses weak cation or nonionic softening agent, the softening agent is 40-100g/L, the rolling residual rate is 65-75%, and the drying is carried out at the temperature of 100-165 ℃.
Preferably, in step (4), the preshrinking process is as follows: adopting a German Fuji preshrinking machine, starting cloth feeding, spraying and moistening, wherein the moisture content of the cloth surface is 15-20%, the vehicle speed is 20-30 m/min, and the temperature of the steel cylinder is 110-.
Preferably, in step (4), the calendering process is: adopting KKA steel roller, nylon roller, cotton roller and three-roller calender, the speed is 30-50 m/min, the pressure of the steel roller is 80-130N, and the pressure of the cotton roller is 120-.
Compared with the prior art, the invention has the beneficial effects that:
1. industrial hemp belongs to bio-based environment-friendly materials, and is concerned by producers and consumers with excellent functions of antibiosis, mildew resistance, moisture absorption, air permeability, static resistance, ultraviolet radiation resistance and the like. The invention integrates the characteristics of industrial hemp and lyocell fiber, improves the product quality and is beneficial to the development of industrial hemp industry.
2. Through the design of the tissue specification and the production process, the defects of rough hand feeling, stiffness and hardening of the industrial hemp fabric are overcome, the surface of the fabric is smooth and fine, and the soft, stiff and smooth industrial hemp fabric with comfortable skin feeling is produced.
3. The method provided by the invention enriches the styles and types and applicability of industrial hemp products, and provides selective supplement of another style for home textile bedding and clothing fabrics.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a production method of an industrial hemp and lyocell interwoven fabric, which comprises the following steps:
(1) designing the organization specification:
the warp direction adopts 21 English tight spinning lyocell yarns, the weft direction adopts 16 English industrial big hemp bleached yarns, the tissue design adopts 2/1 left twill, the warp direction density is 64 pieces/inch, the weft direction density is 54 pieces/inch, the weight proportion of the lyocell yarns is 47%, and the weight proportion of the industrial hemp yarns is 53%;
(2) pretreatment:
singeing: singeing in a two-positive-two-negative mode, wherein the speed is 100 m/min, the flame temperature is 1000-1150 ℃, and the wind pressure is 16 Mbar;
cold pad batch desizing: adopting multi-dipping and multi-rolling equipment, desizing at room temperature, stacking for 5 hours, wherein the rolling residue rate is 95%, 8 g/L of sodium hydroxide, 8 g/L of hydrogen peroxide, 12 g/L of refining agent and 2 g/L of penetrating agent are added;
open-width oxygen bleaching: adopting open-width single-track equipment, wherein a first grid of a rinsing bath is 75-80 ℃, a second grid is 85-90 ℃, a third grid is 90-95 ℃, water is added to flow backwards one grid after another, the height of a liquid feeding residual rate of an oxygen bleaching rolling trough is 100%, the steaming temperature is 95-98 ℃, the steaming time is 25 minutes, 2.5 g/L of hydrogen peroxide, 011.5 g/L of hydrogen peroxide stabilizer, 4 g/L of dewaxing agent, 1.5 g/L of dispersing chelating agent and 1.5 g/L of soda ash are added; after the water is discharged from the track, the water washing tank is subjected to 90-95 ℃ in a first lattice and a second lattice, 85-90 ℃ in a third lattice and 80-85 ℃ in a fourth lattice, water is added to flow back one by one, and then the water washing tank is dried;
(3) dyeing:
adopting cold pad batch dyeing: the rolling allowance rate is 55%, the vehicle speed is 40 m/min, and the stacking time is 8 hours; 2 g/L of reactive dye for cold dyeing, 2 g/L of fixation alkali, 4 times of hectometer of liquid absorption amount of liquid level control, after piling, washing and drying by using an open width washing machine;
(4) and (3) after finishing:
and (3) tentering and softening: adopting immersion-pressing type finishing, using weak cation or nonionic softening agent, wherein the softening agent is 60g/L, the rolling residual rate is 70%, and drying at the temperature of 135 ℃;
pre-shrinking: adopting a German Fuji preshrinking machine, starting cloth feeding, spraying and moistening, wherein the moisture content of the cloth cover is 15-20%, the vehicle speed is 30 m/min, and the temperature of a steel cylinder is 120 ℃;
and (3) calendering: a KKA steel roller, a nylon roller and a cotton roller three-roller calender are adopted, the speed is 40 m/min, the pressure of the steel roller is 100N, and the pressure of the cotton roller is 140N.
The warp indicators of example 1 were tested and the following table is summarized.
Comparative example 1
16 English industrial big hemp bleached yarns are adopted in the warp direction, 21 English compact spinning lyocell yarns are adopted in the weft direction, 2/1 left twill is adopted in the weave design, the warp density is 54 pieces/inch, the weft density is 64 pieces/inch, the weight ratio of the lyocell yarns is 47%, and the weight ratio of the industrial hemp yarns is 53%. The production is carried out according to the conventional process.
The comparison shows that the comparative example is more easy to generate yarn brittle fracture in the weaving process, and fiber shedding is easy to form fiber balls on the surface of the warp.
Index comparison of example 1 with comparative example 1 was performed according to astm d5034 scratch method. Example 1 breaks the strength warp direction 521N and fill direction 585N, and comparative example 1 breaks the strength warp direction 496N and fill direction 408N. The comparison shows that the strength loss of the fabric is small by the treatment process.
Example 2
The invention provides a production method of an industrial hemp and lyocell interwoven fabric, which comprises the following steps:
(1) designing the organization specification:
60-inch compact spinning lyocell yarns are adopted in the warp direction, 32-inch industrial large hemp bleached yarns are adopted in the weft direction, 5 pieces of 3 fly-warp surface satins are adopted in the tissue design, the warp density is 173 pieces/inch, the weft density is 85 pieces/inch, the weight of the lyocell yarns accounts for 51 percent, and the weight of the industrial hemp yarns accounts for 49 percent;
(2) pretreatment:
singeing: the singeing mode adopts two positive and two negative, the speed is 90 m/min, the flame temperature is 1000-1150 ℃, and the wind pressure is 16 Mbar;
cold pad batch desizing: adopting multi-dipping and multi-rolling equipment, desizing at room temperature, stacking for 6 hours, 8 g/L of sodium hydroxide, 8 g/L of hydrogen peroxide, 10 g/L of refining agent and 2 g/L of penetrating agent, wherein the rolling residue rate is 95%;
open-width oxygen bleaching: adopting open-width single-track equipment, wherein a first grid of a rinsing bath is 75-80 ℃, a second grid is 85-90 ℃, a third grid is 90-95 ℃, water is added to flow backwards one grid after another, the height of a liquid feeding and rolling surplus rate of an oxygen bleaching rolling trough is 100%, the steaming temperature is 95-98 ℃, the steaming time is 20 minutes, 2.5 g/L of hydrogen peroxide, 1.5 g/L of a stabilizer, 4 g/L of a dewaxing agent, 1.5 g/L of a dispersing chelating agent and 1.5 g/L of soda ash are added; after the water is discharged from the track, the water washing tank is subjected to 90-95 ℃ in a first lattice and a second lattice, 85-90 ℃ in a third lattice and 80-85 ℃ in a fourth lattice, water is added to flow back one by one, and then the water washing tank is dried;
(3) dyeing:
adopting cold pad batch dyeing: the rolling allowance rate is 55%, the vehicle speed is 40 m/min, and the stacking time is 8 hours; 2 g/L of reactive dye for cold dyeing, 2 g/L of fixation alkali, 4 times of hectometer of liquid absorption amount of liquid level control, after piling, washing and drying by using an open width washing machine;
(4) and (3) after finishing: tentering softening-preshrinking-calendering
And (3) tentering and softening: adopting immersion-pressing type finishing, using weak cation or nonionic softening agent, wherein the softening agent is 80g/L, the rolling residual rate is 70%, and drying at the temperature of 130 ℃;
pre-shrinking: adopting a German Fuji preshrinking machine, starting cloth feeding, spraying and moistening, wherein the moisture content of the cloth cover is 15-20%, the vehicle speed is 40 m/min, and the temperature of a steel cylinder is 120 ℃;
and (3) calendering: a KKA steel roller, a nylon roller and a cotton roller three-roller calender are adopted, the vehicle speed is 50 m/min, the steel roller pressure is 100N, and the cotton roller pressure is 130N.
The index test was performed for example 2 and the following table is summarized.
Although the present invention has been described in detail by referring to the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A production method of industrial hemp and lyocell interwoven fabric is characterized by comprising the following steps: tissue specification design, pretreatment, dyeing and after-treatment.
2. The method for producing the industrial hemp and lyocell interwoven fabric according to claim 1, characterized by comprising the steps of:
(1) designing the organization specification:
the warp direction adopts Lyocell yarns, the weft direction adopts industrial hemp yarns, the weight of the Lyocell yarns accounts for 30-70%, and the weight of the industrial hemp yarns accounts for 30-70%;
(2) pretreatment:
singeing, cold pad batch desizing and open width oxygen bleaching;
(3) dyeing:
adopting cold pad batch dyeing: the rolling allowance is 55%, the vehicle speed is 25-50 m/min, and the stacking time is 8-16 hours; cold dyeing is carried out by using 0-6 g/L of reactive dye, 1-4 g/L of fixation alkali, controlling the liquid level to be 4-5 times of hectometer liquid absorption amount, piling, and washing and drying by using an open-width washing machine;
(4) and (3) after finishing:
the post-finishing process of tentering, softening, preshrinking and calendering is adopted.
3. The method for producing the industrial hemp and lyocell interlaced fabric according to claim 2, wherein in the step (1), the lyocell yarn has a yarn count of 7 to 80 inches, and the spinning is performed by compact spinning or siro compact spinning.
4. The method of claim 2, wherein in step (1) the industrial hemp and lyocell interwoven fabric has a yarn count of between 7 and 36 inches, and the industrial hemp bleached yarn is used.
5. The method for producing industrial hemp and lyocell interwoven fabric according to claim 2, wherein in the step (2), the singeing process is: the singeing mode adopts two positive and two negative, the vehicle speed is 90-130 m/min, the flame temperature is 1000-1150 ℃, and the wind pressure is 14-18 Mbar.
6. The method for producing industrial hemp and lyocell interwoven fabric according to claim 2, wherein in the step (2), the cold pad-batch desizing process is: adopting multi-dipping and multi-rolling equipment, desizing at room temperature, stacking for 5-8 hours with the rolling residue rate of 95-100%, 8-12 g/L of sodium hydroxide, 8-12 g/L of hydrogen peroxide, 8-16 g/L of refining agent and 2 g/L of penetrating agent.
7. The method for producing industrial hemp and lyocell interwoven fabric according to claim 2, wherein in the step (2), the open width oxygen bleaching process comprises: adopting open-width single-track equipment, wherein a first grid of a rinsing bath is 75-80 ℃, a second grid is 85-90 ℃, a third grid is 90-95 ℃, water is added to flow backwards one grid after another, the high liquid supply rate of an oxygen bleaching rolling trough is 100%, the steaming temperature is 95-98 ℃, the steaming time is 20-30 minutes, hydrogen peroxide is 2.5-3.5 g/L, a stabilizer is 1-2 g/L, a dewaxing agent is 4-6 g/L, a dispersing chelating agent is 1.5-2.5 g/L, and soda is 1.5-2.5 g/L; after the water is discharged from the track, the first and second lattices of the rinsing bath are 90-95 ℃, the third lattice is 85-90 ℃ and the fourth lattice is 80-85 ℃, water is added to flow backwards one by one, and then the water is dried.
8. The method for producing industrial hemp and lyocell interwoven fabric according to claim 2, wherein in the step (4), said tentering softening process is: the method adopts immersion-pressing type finishing, uses weak cation or nonionic softening agent, the softening agent is 40-100g/L, the rolling residual rate is 65-75%, and the drying is carried out at the temperature of 100-165 ℃.
9. The method for producing industrial hemp and lyocell fabric according to claim 2, wherein in the step (4), the preshrinking process is: adopting a German Fuji preshrinking machine, starting cloth feeding, spraying and moistening, wherein the moisture content of the cloth surface is 15-20%, the vehicle speed is 20-30 m/min, and the temperature of the steel cylinder is 110-.
10. The method for producing industrial hemp and lyocell interlaced fabric according to claim 2, wherein in the step (4), the calendering process is: adopting KKA steel roller, nylon roller, cotton roller and three-roller calender, the speed is 30-50 m/min, the pressure of the steel roller is 80-130N, and the pressure of the cotton roller is 120-.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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