CN105714452A - Novel multihole hollow cotton yarn, fabric of novel multihole hollow cotton yarn and preparation process of fabric - Google Patents
Novel multihole hollow cotton yarn, fabric of novel multihole hollow cotton yarn and preparation process of fabric Download PDFInfo
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Abstract
The invention discloses a novel multihole hollow cotton yarn, a fabric of the novel multihole hollow cotton yarn and a preparation process of the fabric. Warp and weft yarns of the fabric are as follows: 92/8JC/PVA27.8 tex + 50/30/20R/N/T18.2 tex, with the warp density of 472 pcs/10 cm, the weft density of 314.5 pcs/10 cm and the amplitude of 160 CM; the weave is as follows: 3/1+2/2 jointed weave, with warp yarns arrayed as follows: 92/8JC/PVA27.8 tex: 50/30/20R/N/T18.2 tex being 160:40, and weft yarns arrayed as follows: 92/8JC/PVA27.8 tex: 50/30/20R/N/T18.2 tex being 135: 9. According to the preparation process of the fabric, special process technologies are adopted in the procedures such as spinning, beaming, sizing, manufacturing and printing and dyeing, and in particular, a blending process technology is adopted in the form of spinning. The novel multihole hollow cotton yarns has the benefits that by the development of the novel multihole hollow cotton yarns and the fabric thereof, the technical difficulties such as cotton and PVA blending, weaving and printing and dyeing vinylon dissolution in the production practice are overcome, and the design effect is achieved; the cotton yarns have a multihole hollow effect, and the fabric has the properties such as softness, fluffiness and warm retention.
Description
Technical field
The present invention relates to textile industry, particularly relate to a kind of novel porous hollow cotton yarn and fabric thereof and processing technique thereof.
Background technology
In recent years, in the exploitation and use of tencel, day by day present the innovation fabric utilizing the abundant product function of tencel, its properties how is made to obtain the embodiment of maximum value in taking process, or utilize tencel to be combined with natural fiber, excavate out some novel styles tangible, that can experience, be our thing of more focusing in new product development.The present invention is exactly the use in conjunction with tencel, develops and has Quality Pure Cotton Yarn Production novel porous, hollow structure, and utilizes this yarn design to develop the leisure fabric with hidden lattice effect.
Summary of the invention
It is an object of the invention to provide a kind of novel porous hollow cotton yarn and fabric thereof and processing technique thereof.
The technical scheme is that this fabric count yarn adopts: 92/8JC/PVA27.8tex+50/30/20R/N/T18.2tex, end count: 472/10cm, filling density: 314.5/10cm, fabric width: 160CM, tissue: 3/1+2/2 united organization, Warp Tension Test: 92/8JC/PVA27.8tex:50/30/20R/N/T18.2tex=160:40, weft yarn arrangement: 92/8JC/PVA27.8tex:50/30/20R/N/T18.2tex=135:9.
The processing technique of the novel porous hollow cotton yarn woven fabric of this programme, technical points is in that following steps:
1, in spinning in form, have two kinds of methods it is achieved that
One is that water-solubility PVA is spun into a high heart yarn, is coated with water soluble vinylon heart yarn with special process, makes the corespun composite yarn of skin-core structure, dissolve heart yarn, namely form hollow yarn after woven into fabric in water；
Two is WATER-SOLUBLE PVA FIBER and cotton fiber blending, after dissolving away PVA fiber, uniform space occurs after woven into fabric in water；From hollow effect, after the former dissolves away polyvinyl heart yarn, form the helical form that only polyvinyl heart yarn occupies hollow, bag layer is outside, and cotton yarn structure does not change, after the latter dissolves away WATER-SOLUBLE PVA FIBER, cotton yarn leaves the hollow-core construction being evenly distributed, fundamentally changing cotton yarn structure, produced hollow effect is even more ideal；
From spinning cost, PVA fiber to be first spun into Gao Zhi or extra-high spun yarn by the former, spins again through special covering yarn technique, and spinning technological process is long, and cost is high；And the latter carries out blending, spinning process is simple, and cost is low；
Therefore we have selected cotton yarn and PVA fiber and carry out the spinning process form of blending, and blending rate be cotton: PVA=92%:8%.
2, spinning
2.1 fiber pretreatment
WATER-SOLUBLE PVA FIBER regularity is good, and regain is low, is easily generated electrostatic, and then affects spinnability in processing, therefore to add 2% antistatic additive before spinning and carry out pretreatment；
2.2 key procedure technological measures
Opening picking adopts short route, many pines are few to be beaten, return less, strengthen mixed technological principle, reduce striking point, carding step is few due to PVA fiber roll curvature, fiber is little with fibre-fibre friction power, cohesive force is poor, for ensureing web quality, reduce fibre damage, comb and parallel cotton fibers prior to spinning adopts " low velocity, big ration, small tension receiving coil " technological principle, strengthen licker-in and feed plate gauge, suitably reduce licker-in, doffer speed, increase cylinder and licker-in speed ratio, suitably strengthen spacing between cylinder and cover plate, strengthen doffer's rate of transform between cylinder, increase combing transfer, adopt little work keratinization fibre special-purpose metal pin cloth, reduce fiber to fill and cotton knot generation, for preventing from falling under web, the grasp less than normal of cotton sliver tension force, and install web pallet additional, suitably increase the weight of cotton strip quantity；
Spinning process adopt " middle pressurization, in space, low velocity, little jaw, little back area draft " technological principle, select soft high resiliency rubber roll, wire loop ratio is laid particular stress on when spinning cotton, to control air ring, reduce filoplume, for making the fabric made soft, fluffy, grasp less than normal than common same yarn count yarn in the twist；3, warping:
Adopt Switzerland's Benniger warping machine, owing to warp thread uses two kinds of yarns, produce with double-beam equipment, therefore during warping, two kinds of yarns are carried out warping respectively, warping technology mainly by improve single thread and sheet yarn tension uniformly premised on, reach warp tension, arrangement and winding three uniform；
Concrete technology is as follows:
92/8JC/PVA27.8tex: total quantity of warps: 6088, join axle: 609*9+607*1
50/30/20R/N/T18.2tex total quantity of warps 1506, join axle: 502*3
Speed 500 ms/min, 300 points of cattle of warping pressure；
4, sizing
Feature according to this kind, adopts double-beam production technology, to carry out the formulation of slurry and slashing technique during sizing for yarn two kinds different respectively；
Earth's axis yarn is 92/8JC/PVA27.8tex, it it is our cotton PVA scribbled of developing, water-soluble performance due to polyvinyl, it is noted that the grasp of temperature in sizing, keep polyvinyl not impaired in sizing process as far as possible, in order to avoid affecting yarn strength, formula of size adopts the slurry based on starch, and concrete formula of size is: PVA:25KG；TSF-3:75KG；FY-1:10KG；Penetrating agent 2KG.
Owing to the total quantity of warps of the earth's axis is more, sizing coverage coefficient is big, for reaching good sizing effect, adopts double; two slurry pot slashing technique, uses domestic GA308 type warp sizing machine, it then follows low viscosity, low elongation, drying cylinder low temperature slashing technique；
The yarn that celestial axis uses is 50/30/20R/N/T18.2tex, this kind of yarn is plurality of raw materials blending, and main fibre is viscose rayon, another containing terylene and two kinds of chemical fibres of chinlon, be mainly in view of the material performance of yarn when starching this axle, on sizing technique it is noted that:
1. the viscosity of serosity must be low, will accomplish good permeability；
2. filoplume docile to be got well, and reduces the filoplume regeneration in sizing process；
3. increase the wearability of yarn；
4. add antistatic additive, reduce the balling-up because electrostatic causes；
Concrete formula of size is:
PVA-205:10KG；TSF-3:50KG；FY-1:10KG；Penetrating agent: 2KG；Antistatic additive: 2KG；
Owing to this axle total quantity of warps only has 1506, sizing coverage coefficient is little, and for guaranteeing that sizing is smoothed out, slashing technique takes following measures;
1. strengthen into slurry pot and pulp pot tension force, it is prevented that yarn tresses after entering to starch pot, causes broken end；
2. reducing coiling tension, it is to avoid because total quantity of warps is few, yarn stress is big and breaks end；
5, weaving:
Adopt the weaving of Bi Jianuo double-beam loom, knitting technology: back rest height 6, front and back 4, stop over frame height-1, front and back 9, cloth machine rotating speed 650 revs/min, opening time 322 degree, enter the latitude time 75 degree, the time of advent 260 degree, tension force celestial axis 0.9KN, earth's axis 3KN on machine, weaving efficiency reaches 85%；
6, printing and dyeing
Technological process: move back dimension desizing kiering bleaching mercerising and singe---dyeing stentering forming
With normal textile technique ratio, this kind is the difference is that the dissolution process to WATER-SOLUBLE PVA FIBER；
Moving back dimension technique is be put in high-temperature water by the grey cloth woven, PVA fibrolysis is removed, the low solution temperature of the water-solubility PVA that we select is 80 DEG C, but owing to water-solubility PVA hygroscopicity in fabric is than difficulty in a free state, its moisture absorption, expanded, contraction etc. are affected by fabric restriction, therefore the water solubility temperature in fabric improves about 15 DEG C than minimum solution temperature, so moving back dimension temperature general control at 95--100 DEG C；Time controlled at 40 minutes；Move back dimension whether thoroughly available iodine development process to identify；If the operations such as the desizing kiering after having a small amount of remaining in also can all be removed；
But operation of singing must carry out after moving back dimension, in order to avoid because owing to singing, PVA fiber occurs that local temperature is too high and produces hard char particle, coke yellow, affecting fabric quality.
The present invention has the advantage that and has the benefit effect that the present invention has novelty in the structural design of yarn.Utilize WATER-SOLUBLE PVA FIBER and cotton blended weave, develop porous, fluffy, soft type hollow cotton fiber, with traditional hollow cotton yarn ratio of cored, after the WATER-SOLUBLE PVA FIBER being evenly distributed is dissolved away, cotton yarn leaves the hollow-core construction being evenly distributed, fundamentally changing cotton yarn structure, produced hollow effect is more excellent.This novel porous hollow cotton yarn production technology is simple simultaneously, it is easy to operation, possesses the market competitiveness of low cost.There is the performance of softness, fluffy, warming performance and indistinct check with its fabric designed.
Detailed description of the invention:
Embodiment 1
One, product design
1, raw material is selected
The design focal point of this product is the traditional structure changing my company's ring-spun cotton yarn line, so as to retaining on the basis of cotton fiber comfort property, yarn texture has the effect of porous, increase the air layer of yarn, so as to better than traditional pure cotton fabric in flexibility, warmth retention property and moisture absorbing and sweat releasing performance.
For reaching this design effect, we use WATER-SOLUBLE PVA FIBER.This fiber is a kind of functional differential fibers, after special processing modified process, is fully soluble in water, tasteless nontoxic after being dissolved in water, aqueous solution water white transparency, energy natural decomposition in the short period, will not produce to pollute to environment.
Water-solubility PVA can be divided into dissolution in low temperature type (0 DEG C 40 DEG C) according to the temperature dissolved, middle temperature lysotype (41 DEG C 70 DEG C), high-temperature digestion type (70 DEG C-100 DEG C), according to cotton spinning production technology characteristic, we select high-temperature digestion type PVA, actual solution temperature to be 80 DEG C 90 DEG C.
2 spinning forms
In spinning, we have been also carried out research in form, want the effect reaching porous, hollow, have two kinds of methods to realize.
One is that water-solubility PVA is spun into a high heart yarn, is coated with water soluble vinylon heart yarn with special process, makes the corespun composite yarn of skin-core structure, dissolve heart yarn, namely form hollow yarn after woven into fabric in water.
Two is WATER-SOLUBLE PVA FIBER and cotton fiber blending, after dissolving away PVA fiber, uniform space occurs after woven into fabric in water.From hollow effect, after the former dissolves away polyvinyl heart yarn, forming the helical form that only polyvinyl heart yarn occupies hollow, outside, and cotton yarn structure does not change bag layer.After the latter dissolves away WATER-SOLUBLE PVA FIBER, cotton yarn leaves the hollow-core construction being evenly distributed, and fundamentally changes cotton yarn structure, and produced hollow effect is even more ideal.
From spinning cost, PVA fiber to be first spun into Gao Zhi or extra-high spun yarn by the former, spins again through special covering yarn technique, and spinning technological process is long, and cost is high；And the latter carries out blending, spinning process is simple, and cost is low.
Therefore we have selected cotton yarn and PVA fiber and carry out the spinning process form of blending, and blending rate be cotton: PVA=92%:8%.
3, Fabric Design
Utilizing the softness of Porous hollow cotton yarn, the feature such as warming, we devise middle thick fabric, it is adaptable to make autumn and winter fitted pants.The design style of fabric is more likely to outward appearance and the feel of wool spinning product, this warm, abundant, soft effect is given full play of.
While using cotton PVA scribbled, also auxiliary uses 50/30/20R/N/T18.2tex yarn, is designed by Stitch Matching, makes cloth cover form indistinct grid grain pattern, increases the uniqueness of outward appearance.
Design specification:
Warp thread, weft yarn: 92/8JC/PVA27.8tex+50/30/20R/N/T18.2tex, end count: 472/10cm, filling density: 314.5/10cm, fabric width: 160CM, tissue: 3/1+2/2 united organization, Warp Tension Test: 92/8JC/PVA27.8tex:50/30/20R/N/T18.2tex=160:40, weft yarn arrangement: 92/8JC/PVA27.8tex:50/30/20R/N/T18.2tex=135:9.
Two, production Technology main points:
1, spinning
1.1, fiber pretreatment
WATER-SOLUBLE PVA FIBER regularity is good, and regain is low, is easily generated electrostatic, and then affects spinnability in processing, therefore to add 2% antistatic additive before spinning and carry out pretreatment.
1.2, key procedure technological measure
Opening picking adopts short route, and many pines beat less, return less, strengthen mixed technological principle, reduce striking point.
Carding step is few due to PVA fiber roll curvature, and fiber is little with fibre-fibre friction power, and cohesive force is poor.For ensureing web quality, reducing fibre damage, comb and parallel cotton fibers prior to spinning adopts the technological principle of " low velocity, big ration, small tension receiving coil ".Strengthen licker-in and feed plate gauge, suitably reduce licker-in, doffer speed, increase cylinder and licker-in speed ratio, suitably strengthen spacing between cylinder and cover plate, strengthen doffer's rate of transform between cylinder, increase combing transfer.Adopt little work keratinization fibre special-purpose metal pin cloth, reduce fiber and fill and cotton knot generation.For preventing from falling under web, the grasp less than normal of cotton sliver tension force, and install web pallet additional, suitably increase the weight of cotton strip quantity.
Spinning process adopt " middle pressurization, in space, low velocity, little jaw, little back area draft " technological principle, select soft high resiliency rubber roll, wire loop ratio is laid particular stress on when spinning cotton, to control air ring, reduce filoplume.For making the fabric made soft, fluffy, grasp less than normal than common same yarn count yarn in the twist.
2, warping:
Adopt Switzerland's Benniger warping machine, owing to warp thread uses two kinds of yarns, produce with double-beam equipment, therefore during warping, two kinds of yarns are carried out warping respectively.Warping technology mainly by improve single thread and sheet yarn tension uniformly premised on, reach warp tension, arrangement and winding three uniform.
Concrete technology is as follows:
92/8JC/PVA27.8tex: total quantity of warps: 6088, join axle: 609*9+607*1
50/30/20R/N/T18.2tex total quantity of warps 1506, join axle: 502*3
Speed 500 ms/min, 300 points of cattle of warping pressure.
3, sizing
Feature according to this kind, adopts double-beam production technology, to carry out the formulation of slurry and slashing technique during sizing for yarn two kinds different respectively.
Earth's axis yarn is 92/8JC/PVA27.8tex, being our cotton PVA scribbled of developing, due to the water-soluble performance of polyvinyl, it is noted that the grasp of temperature in sizing, keeping polyvinyl not impaired in sizing process, in order to avoid affecting yarn strength as far as possible.Formula of size adopts the slurry based on starch, and concrete formula of size is: PVA:25KG；TSF-3:75KG；FY-1:10KG；Penetrating agent 2KG.
Owing to the total quantity of warps of the earth's axis is more, sizing coverage coefficient is big, for reaching good sizing effect, adopts double; two slurry pot slashing technique.Use domestic GA308 type warp sizing machine, it then follows low viscosity, low elongation, drying cylinder low temperature slashing technique.
The yarn that celestial axis uses is 50/30/20R/N/T18.2tex, and this kind of yarn is plurality of raw materials blending, and main fibre is viscose rayon, another containing terylene and two kinds of chemical fibres of chinlon.Be mainly in view of the material performance of yarn when starching this axle, on sizing technique it is noted that:
1. the viscosity of serosity must be low, will accomplish good permeability.
2. filoplume docile to be got well, and reduces the filoplume regeneration in sizing process.
3. increase the wearability of yarn.
4. add antistatic additive, reduce the balling-up because electrostatic causes.
Concrete formula of size is:
PVA-205:10KG；TSF-3:50KG；FY-1:10KG；Penetrating agent: 2KG；Antistatic additive: 2KG.
Owing to this axle total quantity of warps only has 1506, sizing coverage coefficient is little, and for guaranteeing that sizing is smoothed out, slashing technique takes following measures;
1. strengthen into slurry pot and pulp pot tension force, it is prevented that yarn tresses after entering to starch pot, causes broken end.
2. reducing coiling tension, it is to avoid because total quantity of warps is few, yarn stress is big and breaks end.
2.3 weavings:
Adopt the weaving of Bi Jianuo double-beam loom, knitting technology: back rest height 6, front and back 4, stop over frame height-1, front and back 9, cloth machine rotating speed 650 revs/min, opening time 322 degree, enter latitude time 75 degree, the time of advent 260 degree, tension force celestial axis 0.9KN, earth's axis 3KN on machine.Weaving efficiency reaches 85%.
4, printing and dyeing
Technological process: move back dimension desizing kiering bleaching mercerising and singe---dyeing stentering forming
With normal textile technique ratio, this kind is the difference is that the dissolution process to WATER-SOLUBLE PVA FIBER.
Moving back dimension technique is be put in high-temperature water by the grey cloth woven, PVA fibrolysis is removed, the low solution temperature of the water-solubility PVA that we select is 80 DEG C, but owing to water-solubility PVA hygroscopicity in fabric is than difficulty in a free state, its moisture absorption, expanded, contraction etc. are affected by fabric restriction, therefore the water solubility temperature in fabric improves about 15 DEG C than minimum solution temperature, so moving back dimension temperature general control at 95--100 DEG C；Time controlled at 40 minutes.Move back dimension whether thoroughly available iodine development process to identify.If the operations such as the desizing kiering after having a small amount of remaining in also can all be removed.
But operation of singing must carry out after moving back dimension, in order to avoid because owing to singing, PVA fiber occurs that local temperature is too high and produces hard char particle, coke yellow, affecting fabric quality.
Above embodiments of the invention are described in detail, but described content has been only presently preferred embodiments of the present invention, it is impossible to be considered the practical range for limiting the present invention.All equalizations made according to the present patent application scope change and improvement etc., all should still belong within the patent covering scope of the present invention.
Claims (2)
1. a novel porous hollow cotton yarn and fabric thereof and processing technique thereof, it is characterized in that: this fabric count yarn adopts: 92/8JC/PVA27.8tex+50/30/20R/N/T18.2tex, end count: 472/10cm, filling density: 314.5/10cm, fabric width: 160CM, tissue: 3/1+2/2 united organization, Warp Tension Test: 92/8JC/PVA27.8tex:50/30/20R/N/T18.2tex=160:40, weft yarn arrangement: 92/8JC/PVA27.8tex:50/30/20R/N/T18.2tex=135:9.
2. the novel porous hollow cotton yarn of one according to claim 1 and fabric thereof and processing technique thereof, it is characterised in that:
The processing technique of this fabric be technically characterized in that following steps:
2.1, in spinning in form, have two kinds of methods it is achieved that
One is that water-solubility PVA is spun into a high heart yarn, is coated with water soluble vinylon heart yarn with special process, makes the corespun composite yarn of skin-core structure, dissolve heart yarn, namely form hollow yarn after woven into fabric in water；
Two is WATER-SOLUBLE PVA FIBER and cotton fiber blending, after dissolving away PVA fiber, uniform space occurs after woven into fabric in water；From hollow effect, after the former dissolves away polyvinyl heart yarn, form the helical form that only polyvinyl heart yarn occupies hollow, bag layer is outside, and cotton yarn structure does not change, after the latter dissolves away WATER-SOLUBLE PVA FIBER, cotton yarn leaves the hollow-core construction being evenly distributed, fundamentally changing cotton yarn structure, produced hollow effect is even more ideal；
From spinning cost, PVA fiber to be first spun into Gao Zhi or extra-high spun yarn by the former, spins again through special covering yarn technique, and spinning technological process is long, and cost is high；And the latter carries out blending, spinning process is simple, and cost is low；
Therefore we have selected cotton yarn and PVA fiber and carry out the spinning process form of blending, and blending rate be cotton: PVA=92%:8%；
2.2, spinning
2.2.1 fiber pretreatment
WATER-SOLUBLE PVA FIBER regularity is good, and regain is low, is easily generated electrostatic, and then affects spinnability in processing, therefore to add 2% antistatic additive before spinning and carry out pretreatment；
2.2.2 key procedure technological measure
Opening picking adopts short route, many pines are few to be beaten, return less, strengthen mixed technological principle, reduce striking point, carding step is few due to PVA fiber roll curvature, fiber is little with fibre-fibre friction power, cohesive force is poor, for ensureing web quality, reduce fibre damage, comb and parallel cotton fibers prior to spinning adopts " low velocity, big ration, small tension receiving coil " technological principle, strengthen licker-in and feed plate gauge, suitably reduce licker-in, doffer speed, increase cylinder and licker-in speed ratio, suitably strengthen spacing between cylinder and cover plate, strengthen doffer's rate of transform between cylinder, increase combing transfer, adopt little work keratinization fibre special-purpose metal pin cloth, reduce fiber to fill and cotton knot generation, for preventing from falling under web, the grasp less than normal of cotton sliver tension force, and install web pallet additional, suitably increase the weight of cotton strip quantity；
Spinning process adopt " middle pressurization, in space, low velocity, little jaw, little back area draft " technological principle, select soft high resiliency rubber roll, wire loop ratio is laid particular stress on when spinning cotton, to control air ring, reduce filoplume, for making the fabric made soft, fluffy, grasp less than normal than common same yarn count yarn in the twist；2.3 warpings:
Adopt Switzerland's Benniger warping machine, owing to warp thread uses two kinds of yarns, produce with double-beam equipment, therefore during warping, two kinds of yarns are carried out warping respectively, warping technology mainly by improve single thread and sheet yarn tension uniformly premised on, reach warp tension, arrangement and winding three uniform；
Concrete technology is as follows:
92/8JC/PVA27.8tex: total quantity of warps: 6088, join axle: 609*9+607*1
50/30/20R/N/T18.2tex total quantity of warps 1506, join axle: 502*3
Speed 500 ms/min, 300 points of cattle of warping pressure；
2.4, sizing
Feature according to this kind, adopts double-beam production technology, to carry out the formulation of slurry and slashing technique during sizing for yarn two kinds different respectively；
Earth's axis yarn is 92/8JC/PVA27.8tex, it it is our cotton PVA scribbled of developing, water-soluble performance due to polyvinyl, it is noted that the grasp of temperature in sizing, keep polyvinyl not impaired in sizing process as far as possible, in order to avoid affecting yarn strength, formula of size adopts the slurry based on starch, and concrete formula of size is: PVA:25KG；TSF-3:75KG；FY-1:10KG；Penetrating agent 2KG；
Owing to the total quantity of warps of the earth's axis is more, sizing coverage coefficient is big, for reaching good sizing effect, adopts double; two slurry pot slashing technique, uses domestic GA308 type warp sizing machine, it then follows low viscosity, low elongation, drying cylinder low temperature slashing technique；
The yarn that celestial axis uses is 50/30/20R/N/T18.2tex, this kind of yarn is plurality of raw materials blending, and main fibre is viscose rayon, another containing terylene and two kinds of chemical fibres of chinlon, be mainly in view of the material performance of yarn when starching this axle, on sizing technique it is noted that:
1. the viscosity of serosity must be low, will accomplish good permeability；
2. filoplume docile to be got well, and reduces the filoplume regeneration in sizing process；
3. increase the wearability of yarn；
4. add antistatic additive, reduce the balling-up because electrostatic causes；
Concrete formula of size is:
PVA-205:10KG；TSF-3:50KG；FY-1:10KG；Penetrating agent: 2KG；Antistatic additive: 2KG；
Owing to this axle total quantity of warps only has 1506, sizing coverage coefficient is little, and for guaranteeing that sizing is smoothed out, slashing technique takes following measures;
1. strengthen into slurry pot and pulp pot tension force, it is prevented that yarn tresses after entering to starch pot, causes broken end；
2. reducing coiling tension, it is to avoid because total quantity of warps is few, yarn stress is big and breaks end；
2.5 weavings:
Adopt the weaving of Bi Jianuo double-beam loom, knitting technology: back rest height 6, front and back 4, stop over frame height-1, front and back 9, cloth machine rotating speed 650 revs/min, opening time 322 degree, enter the latitude time 75 degree, the time of advent 260 degree, tension force celestial axis 0.9KN, earth's axis 3KN on machine, weaving efficiency reaches 85%；
2.6 printing and dyeing
Technological process: move back dimension desizing kiering bleaching mercerising and singe---dyeing stentering forming
With normal textile technique ratio, this kind is the difference is that the dissolution process to WATER-SOLUBLE PVA FIBER；
Moving back dimension technique is be put in high-temperature water by the grey cloth woven, PVA fibrolysis is removed, the low solution temperature of the water-solubility PVA that we select is 80 DEG C, but owing to water-solubility PVA hygroscopicity in fabric is than difficulty in a free state, its moisture absorption, expanded, contraction etc. are affected by fabric restriction, therefore the water solubility temperature in fabric improves about 15 DEG C than minimum solution temperature, so moving back dimension temperature general control at 95--100 DEG C；Time controlled at 40 minutes；Move back dimension whether thoroughly available iodine development process to identify；If the operations such as the desizing kiering after having a small amount of remaining in also can all be removed；
But operation of singing must carry out after moving back dimension, in order to avoid because owing to singing, PVA fiber occurs that local temperature is too high and produces hard char particle, coke yellow, affecting fabric quality.
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| CN108796891A (en) * | 2017-05-12 | 2018-11-13 | 际华三五四二纺织有限公司 | A kind of cotton hollow yams slashing technique |
| CN109208146A (en) * | 2017-07-05 | 2019-01-15 | 上海水星家用纺织品股份有限公司 | The method for weaving of cotton and the blended hollow yarn man textile fabric of polyvinyl |
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| CN108823720A (en) * | 2018-08-10 | 2018-11-16 | 罗莱生活科技股份有限公司 | A kind of yarn and its production method containing three-dimensional structure |
| CN108823720B (en) * | 2018-08-10 | 2021-09-28 | 罗莱生活科技股份有限公司 | Yarn containing three-dimensional structure and production method thereof |
| CN109778374A (en) * | 2018-12-21 | 2019-05-21 | 冯国海 | A kind of preparation method of the hollow yarn containing blended clad |
| CN110592769A (en) * | 2019-10-15 | 2019-12-20 | 吴江京奕特种纤维有限公司 | Vortex spinning high-count and high-density fabric and production method thereof |
| CN112760759A (en) * | 2020-12-25 | 2021-05-07 | 杭州易纱电子商务有限公司 | Method for simply and conveniently detecting doffer transfer rate by using evenness tester |
| CN113802238A (en) * | 2021-09-13 | 2021-12-17 | 魏桥纺织股份有限公司 | Preparation method of fluffy soft touch cotton fabric |
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