CN107338540B - A kind of strong twisted yarn that the twist is stable and its production technology - Google Patents
A kind of strong twisted yarn that the twist is stable and its production technology Download PDFInfo
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- CN107338540B CN107338540B CN201710573267.3A CN201710573267A CN107338540B CN 107338540 B CN107338540 B CN 107338540B CN 201710573267 A CN201710573267 A CN 201710573267A CN 107338540 B CN107338540 B CN 107338540B
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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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
- D02G3/30—Crêped or other highly-twisted yarns or threads
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B13/00—Treatment of textile materials with liquids, gases or vapours with aid of vibration
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B9/00—Solvent-treatment of textile materials
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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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
- D06M11/59—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with ammonia; with complexes of organic amines with inorganic substances
- D06M11/61—Liquid ammonia
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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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
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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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a kind of strong twisted yarn that the twist is stable and its production technologies, include the following steps: that general twist yarn is placed in the mixed solution of cellulase, alkalescent xylanase by (1), 0.5~2h of immersion treatment at 50~65 DEG C, ultrasonic vibration processing, dewatered drying after washing are carried out simultaneously；(2) with chopped fiber two-for-one twisting machine to through step (1), treated that general twist yarn carries out secondary twisting；(3) the resulting yarn of step (2) is carried out Liquid Ammonia Treatment, treatment process: liquefied ammonia temperature is -20~5 DEG C, and soaking time is 2~5min, after first drying, then washing dehydration secondary drying.The present invention carries out secondary twisting to the general twist yarn spinned using chopped fiber two-for-one twisting machine, improves the tensile strength of yarn, improves the strength of yarn, so that the strong twisted yarn being had excellent performance, can better meet demand of the weaving process to multi items strong twisted yarn.
Description
Technical field
The invention belongs to textile technology fields, and in particular to a kind of strong twisted yarn that the twist is stable and its production technology.
Background technique
Currently, piece market competition, textile technology is fast-developing, and the innovative ability of only emphasis fabric makes
Enterprise obtains real differential competition power.And with the continuous improvement of people's living standards, requirement of the people to clothes is also got over
Come higher, fabric category is abundant, comfortable natural, safety and environmental protection, especially fashion coat fabric, they show individual character, pursue product
Position fashion embodies respectively unique style.In recent years, " wrinkle " hot wind wastes domestic and international market, and this kind of fabric mainly uses strong twisted yarn
It is made, strong twisted yarn is bigger than normal twist per unit, and such shrinking percentage is big, and cloth cover can be made to generate corrugated effect unique.Strong twisted yarn
The gas permeability and wearability of fabric are better than common cotton fabric, and cloth cover clean mark, pilling are few, by more and more people's
Favor.
Traditional strong twisted yarn production method: cotton mill is directly produced yarn by the way of general twist yarn to subsequent clients requirement
The twist, in the process, by the process in textile strand carry out processing, do not need to pass through it again after obtaining yarn
His means improve the twist of yarn.But this method is at high cost, and yarn fracture is easy to appear in production, causes to waste, and loom
Efficiency is relatively low, and by the poor tensile strength of this kind of method production strong twisted yarn, item is dry, slubbing, details, cotton knot are difficult to control, and uses heavy twist
Phenomena such as yarn is easy to appear spinning end breaking when producing fabric, to increase the probability of fabric defect, makes properties of product and style
It is affected.
Therefore, current strong twisted yarn can't fully meet the demand of production and market fabric, need to improve strong twisted yarn
Production method improves the tensile strength of yarn, improves the strength of strong twisted yarn, it is ensured that the performance of strong twisted yarn improves the production of strong twisted yarn
Efficiency.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, the present invention provides a kind of strong twisted yarn that the twist is stable and its production work
Skill carries out secondary twisting to the general twist yarn spinned using chopped fiber two-for-one twisting machine, improves the tensile strength of yarn, improve the strength of yarn,
Strong twisted yarn to be had excellent performance, can better meet demand of the weaving process to multi items strong twisted yarn.
The technical scheme adopted by the invention is as follows: a kind of strong twisted yarn production technology that the twist is stable includes the following steps: (1)
General twist yarn is placed in the mixed solution of cellulase, alkalescent xylanase, 0.5~2h of immersion treatment at 50~65 DEG C, together
The processing of Shi Jinhang ultrasonic vibration, dewatered drying after washing；(2) with chopped fiber two-for-one twisting machine to through step (1) treated general twist yarn into
The secondary twisting of row；(3) the resulting yarn of step (2) is carried out Liquid Ammonia Treatment, treatment process: liquefied ammonia temperature is -20~5 DEG C, is impregnated
Time is 2~5min, after first drying, then washing dehydration secondary drying.
It is directly carried out in secondary twisting process using traditional strong twisted yarn production method or using general twist yarn, invention human hair
Now easily there is the problems such as yarn is broken, fabric filoplume is more and strong twisted yarn unstable quality, cause to waste, the quality of product meets
Not production requirement.Inventor passes through a large number of experiments thus, by before secondary twisting that general twist yarn is wooden in cellulase, alkalinity
It is handled in dextranase, to reduce the filoplume of general twist yarn, improves the stability of the general twist yarn twist, prevent the fracture of subsequent yarn；
Then secondary twisting is carried out to treated general twist yarn, increases the percentage of twist shrinkage of yarn, enhances the strength and shrinking percentage of yarn；Most
Liquid Ammonia Treatment is carried out to yarn afterwards and obtains the stable strong twisted yarn of performance, is prepared for subsequent and looming weaving.Utilize heavy twist of the present invention
During yarn textile fabric, no phenomenon of rupture and looped weft defective cloth, woven web surface filoplume is few, elastic force is high, good permeability.
Preferably, the process of step (3) described secondary drying are as follows: yarn is put into the yarn steaming device of vacuum state, is then rushed
Enter high-temperature steam and keeps high pressure conditions 10~30min of heat preservation, naturally near room temperature, then by yarn steaming device vacuum pumping state, then
It is secondary to pour high steam and high pressure conditions is kept to keep the temperature 10~30min；It operates 2~4 times repeatedly.It can be made using this method
The performance of strong twisted yarn is more stable.
Preferably, step (1) the general twist yarn is 16~80 cotton, viscous or its blended general twist yarn, twist number range are
Normal woven twirl.Raw material are easy to get, applied widely.
Twisting can increase the strength of yarn, and with the increasing of twist factor, the strength of yarn is also increased, when twist factor reaches certain value
When, the strength of yarn reaches maximum, and twist factor at this moment is known as critical twist factor.Preferably, step (2) the secondary twisting increases
Twist number range is every 10 centimetre of 400~600 twirl.
Preferably, step (1) 2.0~3.0g/L of cellulase, 5~8g/L of alkalescent xylanase.
Preferably, step (3) the first drying process are as follows: be increased to 100 DEG C from 30 DEG C, it is every increase 10 DEG C of heat preservations 3~
5min。
Preferably, the frequency of step (1) described ultrasonic wave is between 30kHz~60kHz；The cleaning solution is to contain dioxygen
The aqueous solution of water.
The invention also discloses the strong twisted yarns using any of the above-described technique production, and are spun by the strong twisted yarn
The textile fabric knitted.
Compared with prior art, the beneficial effects of the present invention are: the 1, present invention is general to what is spinned using chopped fiber two-for-one twisting machine
Twist yarn carries out secondary twisting, improves the tensile strength of yarn, improves the strength of yarn, the strong twisted yarn being had excellent performance can
Better meet demand of the weaving process to multi items strong twisted yarn；2, stablized using heavy twist yarn quality produced by the invention, and it is same
Number, compared with the common yarn of composition, any surface finish filoplume is few, wastes in production process almost without fracture, using of the invention strong
During twist yarn textile fabric, looped weft defective cloth is completely eliminated；3, the fabric breathability weaved through strong twisted yarn of the present invention and
Wearability is superior to the fabric of conventional method weaving, and fabric is compact, and with a good drape effect, fastness is good, and clean mark is glossy, pilling
Less, good hand touch generates uniform wrinkle on cloth cover, forms the cotton crepe of unique style.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
All other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Embodiment 1
A kind of strong twisted yarn production technology that the twist is stable, includes the following steps:
(1) general twist yarn is placed in the mixed solution of cellulase, alkalescent xylanase, the immersion treatment 1h at 55 DEG C,
Ultrasonic vibration processing, dewatered drying after washing are carried out simultaneously；Step (1) the cellulase 2.5g/L, alkalescent xylanase 6g/
L.The frequency of step (1) described ultrasonic wave is between 45kHz；The cleaning solution is the aqueous solution containing hydrogen peroxide.The general twirl
The cotton yarn that yarn is 60, twist number range are normal woven twirl.
(2) with chopped fiber two-for-one twisting machine to through step (1) treated general twist yarn carries out secondary twisting, the secondary twisting increases
Twist number range is every 10 centimetre of 500 twirl.
(3) the resulting yarn of step (2) is carried out Liquid Ammonia Treatment, treatment process: liquefied ammonia temperature is -15 DEG C, and soaking time is
3min, after first drying, then washing dehydration secondary drying.Step (3) the first drying process are as follows: be increased to 100 from 30 DEG C
DEG C, 10 DEG C of heat preservation 3min of every raising.The process of step (3) described secondary drying are as follows: yarn is put into the yarn steaming device of vacuum state,
Then it pours high-temperature steam and high pressure conditions is kept to keep the temperature 20min, naturally near room temperature, then by yarn steaming device vacuum pumping state,
High steam is poured again and high pressure conditions is kept to keep the temperature 20min；It operates 3 times repeatedly.
The strong twisted yarn any surface finish filoplume produced using the present embodiment is few, resilient beam, wastes in production process without fracture；Benefit
During strong twisted yarn textile fabric with the production of this technique, looped weft defective cloth is completely eliminated, resultant yarn strand uniformity, without thick
Details, without water dirt, overall effect is good.
Embodiment 2
A kind of strong twisted yarn production technology that the twist is stable, includes the following steps:
(1) general twist yarn is placed in the mixed solution of cellulase, alkalescent xylanase, the immersion treatment 2h at 50 DEG C,
Ultrasonic vibration processing, dewatered drying after washing are carried out simultaneously；Step (1) the cellulase 2.0g/L, alkalescent xylanase 8g/
L.The frequency of step (1) described ultrasonic wave is between 60kHz；The cleaning solution is the aqueous solution containing hydrogen peroxide.The general twirl
The viscous yarn that yarn is 80, twist number range are normal woven twirl.
(2) with chopped fiber two-for-one twisting machine to through step (1), treated that general twist yarn carries out secondary twisting；Step (2) is described secondary
It is every 10 centimetre of 400 twirl that twisting, which increases twist number range,.
(3) the resulting yarn of step (2) is carried out Liquid Ammonia Treatment, treatment process: liquefied ammonia temperature is -20 DEG C, and soaking time is
2min, after first drying, then washing dehydration secondary drying.Step (3) the first drying process are as follows: be increased to 100 from 30 DEG C
DEG C, 10 DEG C of heat preservation 5min of every raising.The process of step (3) described secondary drying are as follows: yarn is put into the yarn steaming device of vacuum state,
Then it pours high-temperature steam and high pressure conditions is kept to keep the temperature 10min, naturally near room temperature, then by yarn steaming device vacuum pumping state,
High steam is poured again and high pressure conditions is kept to keep the temperature 10min；It operates 4 times repeatedly.
The strong twisted yarn any surface finish filoplume produced using the present embodiment is few, resilient beam, wastes in production process without fracture；Benefit
During strong twisted yarn textile fabric with the production of this technique, looped weft defective cloth is completely eliminated, resultant yarn strand uniformity, without thick
Details, without water dirt, overall effect is good.
Embodiment 3
A kind of strong twisted yarn production technology that the twist is stable, includes the following steps:
(1) general twist yarn is placed in the mixed solution of cellulase, alkalescent xylanase, the immersion treatment at 65 DEG C
0.5h, while ultrasonic vibration processing is carried out, dewatered drying after washing；Step (1) the cellulase 3.0g/L, alkaline xylan
Enzyme 5g/L.The frequency of step (1) described ultrasonic wave is between 30kHz；The cleaning solution is the aqueous solution containing hydrogen peroxide.It is described
The cotton and viscosity mixed yarn that general twist yarn is 16, twist number range are normal woven twirl.
(2) with chopped fiber two-for-one twisting machine to through step (1), treated that general twist yarn carries out secondary twisting；Step (2) is described secondary
It is every 10 centimetre of 600 twirl that twisting, which increases twist number range,.
(3) the resulting yarn of step (2) is carried out Liquid Ammonia Treatment, treatment process: liquefied ammonia temperature is 5 DEG C, and soaking time is
5min, after first drying, then washing dehydration secondary drying.Step (3) the first drying process are as follows: be increased to 100 from 30 DEG C
DEG C, 10 DEG C of heat preservation 4min of every raising.The process of step (3) described secondary drying are as follows: yarn is put into the yarn steaming device of vacuum state,
Then it pours high-temperature steam and high pressure conditions is kept to keep the temperature 30min, naturally near room temperature, then by yarn steaming device vacuum pumping state,
High steam is poured again and high pressure conditions is kept to keep the temperature 30min；It operates 2 times repeatedly.
The strong twisted yarn any surface finish filoplume produced using the present embodiment is few, resilient beam, wastes in production process without fracture；Benefit
During strong twisted yarn textile fabric with the production of this technique, looped weft defective cloth is completely eliminated, resultant yarn strand uniformity, without thick
Details, without water dirt, overall effect is good.
Embodiment 4
The present embodiment and the difference of embodiment 2 are only that: the cotton yarn that the general twist yarn is 60, step (2) are described secondary
It is every 10 centimetre of 500 twirl that twisting, which increases twist number range, other production technologies are identical.
The strong twisted yarn any surface finish filoplume produced using the present embodiment is few, resilient beam, wastes in production process without fracture；Benefit
During strong twisted yarn textile fabric with the production of this technique, looped weft defective cloth is completely eliminated, resultant yarn strand uniformity, without thick
Details, without water dirt, overall effect is good.
Embodiment 5
The present embodiment and the difference of embodiment 3 are only that: the cotton yarn that the general twist yarn is 60, step (2) are described secondary
It is every 10 centimetre of 500 twirl that twisting, which increases twist number range, other production technologies are identical.
The strong twisted yarn any surface finish filoplume produced using the present embodiment is few, resilient beam, wastes in production process without fracture；Benefit
During strong twisted yarn textile fabric with the production of this technique, looped weft defective cloth is completely eliminated, resultant yarn strand uniformity, without thick
Details, without water dirt, overall effect is good.
Comparative example 1
A kind of production technology of strong twisted yarn, the difference with embodiment 1 are only that: the directly secondary twisting of general twist yarn being obtained strong
It is identical to increase other techniques of twist number range for twist yarn.
The strong twisted yarn surface hairiness produced using this technique is more, elastic force difference, and phenomenon of rupture is serious in production process, utilizes this
During the strong twisted yarn textile fabric of technique production, resultant yarn strand is not uniform enough, there is thickness section.Illustrate direct to general twist yarn two
Secondary twisting easily causes waste, yarn it is poor quality, it is necessary to it is eager to do well in everything that twist high stability can be just obtained after handling general twist yarn
The strong twisted yarn of power.
Comparative example 2
A kind of production technology of strong twisted yarn, the difference with embodiment 1 are only that: directly by general twist yarn chopped fiber two-for-one twisting machine into
Liquid Ammonia Treatment is carried out after the secondary twisting of row, Liquid Ammonia Treatment process is identical.The strong twisted yarn surface hairiness produced using this technique is more, bullet
Power is poor, there is slight phenomenon of rupture in production process, during the strong twisted yarn textile fabric using the production of this technique, resultant yarn strand
Not enough uniformly, there is thickness section.Illustrate that pre-processing must be carried out to general twist yarn before secondary twisting, stablizes its twist and carry out two again
Secondary twisting can just obtain the good strong twisted yarn of effect.
Comparative example 3
A kind of production technology of strong twisted yarn, the difference with embodiment 1 are only that: without step (3), other techniques are identical.It adopts
The strong twisted yarn surface hairiness produced with this technique is more, elastic force difference, has slight phenomenon of rupture in production process, is produced using this technique
Strong twisted yarn textile fabric during, have part looped weft defective cloth, resultant yarn strand is not uniform enough, there is thickness section.Illustrate secondary add
After twirl, the quality that Liquid Ammonia Treatment helps to improve strong twisted yarn is carried out to strong twisted yarn.
By trial production more than a year show using the method for the present invention produce heavy twist yarn quality stablize, with same number, at
The common yarn of part is compared, and any surface finish filoplume is few, is wasted in production process almost without fracture, and yarn quality has obtained recognizing for user
Can, using strong twisted yarn textile fabric of the present invention during, looped weft defective cloth completely eliminates, and the presentation quality of cloth meets cloth cover
Quality requirement, fabric quality is good, sale is happy, with good economic efficiency.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of strong twisted yarn production technology that the twist is stable, which comprises the steps of: (1) general twist yarn is placed in fibre
In the mixed solution for tieing up plain enzyme, alkalescent xylanase, 0.5~2h of immersion treatment at 50~65 DEG C, while carrying out ultrasonic wave shake
Swing processing, dewatered drying after washing；2.0~the 3.0g/L of cellulase, 5~8g/L of alkalescent xylanase；(2) with fine times short
Twister is to through step (1), treated that general twist yarn carries out secondary twisting；(3) the resulting yarn of step (2) is subjected to Liquid Ammonia Treatment, place
Reason process: liquefied ammonia temperature is -20~5 DEG C, and soaking time is 2~5min, after first drying, then washing dehydration secondary drying；
The first drying process are as follows: 100 DEG C are increased to from 30 DEG C, 10 DEG C of 3~5min of heat preservation of every raising；
The process of the secondary drying are as follows: yarn is put into the yarn steaming device of vacuum state, high-temperature steam is then poured and keeps high
Pressure condition keeps the temperature 10~30min, is down to room temperature naturally, then by yarn steaming device vacuum pumping state, pour high steam again and protect
It holds high pressure conditions and keeps the temperature 10~30min；It operates 2~4 times repeatedly.
2. a kind of stable strong twisted yarn production technology of twist according to claim 1, which is characterized in that step (1) is described
Cotton that general twist yarn is 16~80, viscous or its blended general twist yarn, twist number range is normal woven twirl.
3. a kind of stable strong twisted yarn production technology of twist according to claim 1, which is characterized in that step (2) is described
It is every 10 centimetre of 400~600 twirl that secondary twisting, which increases twist number range,.
4. a kind of stable strong twisted yarn production technology of twist according to claim 1, which is characterized in that step (1) is described
The frequency of ultrasonic wave is between 30kHz~60kHz；Cleaning solution for washing is the aqueous solution containing hydrogen peroxide.
5. utilizing the strong twisted yarn of any technique production of claim 1-4.
6. a kind of textile fabric, which is characterized in that weaved to obtain textile fabric by the strong twisted yarn of claim 5.
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| WO2015172742A1 (en) * | 2014-05-15 | 2015-11-19 | Novozymes A/S | Enzymatic treatment of cellulosic textile |
| CN104480598A (en) * | 2014-11-28 | 2015-04-01 | 鲁泰纺织股份有限公司 | Pure-cotton hard-twist color yarn production method |
| CN104805559A (en) * | 2015-05-11 | 2015-07-29 | 江南大学 | Method for spinning double-twisted short-fiber single yarns by twice twisting with ring spinning frame |
| CN105155175A (en) * | 2015-09-02 | 2015-12-16 | 天津纺织工程研究院有限公司 | Novel high-count pure cotton hard twisted yarn setting technology |
| CN105525409B (en) * | 2016-01-18 | 2017-11-28 | 天津工业大学 | A kind of manufacture method of purified cotton heavy twisted yarn |
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