CN104420058A - Elastic fabric and production method thereof - Google Patents
Elastic fabric and production method thereof Download PDFInfo
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- CN104420058A CN104420058A CN201310394819.6A CN201310394819A CN104420058A CN 104420058 A CN104420058 A CN 104420058A CN 201310394819 A CN201310394819 A CN 201310394819A CN 104420058 A CN104420058 A CN 104420058A
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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
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
- D02J1/228—Stretching in two or more steps, with or without intermediate steps
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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
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
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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]
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses elastic fabric and a production method thereof. The elastic fabric comprises at least more than 30wt% of yarn which is parallel two-component twitty elastic yarn, the birefringence average deviation value deltaN of the parallel two-component twitty elastic yarn is more than 5.0*10<-3>m, the elastic fabric is composed of a twisted area and an untwisted area, and the length ratio between the twisted area and the untwisted area is 1-30:100. The elastic fabric is rich in surface style and has a two-color effect that the color deviation value deltaL is more than 1.0, and the elastic elongation ratio and the elastic recovery ratio in the direction with the two-component twitty elastic yarn are above 8% and above 80% respectively.
Description
Technical field
The present invention relates to a kind of elastic fabric and production method thereof, be specifically related to a kind of by having that thickness saves, the fabric that has sth. made by twisting and the two ingredient elastic yarn of areas of non-twist to form and production method thereof.
Background technology
Now elastic fabric is commercially substantially based on the yarn of the CM800 of the ISCRA of the T400 of Du Pont, Korea S's Saehan and China Haining new peak, its not only solve conventional spandex silk not easy dyeing, elastic force superfluous, weave complexity, fabric size is unstable, and in use easy problems such as aging, and can directly at jet, water spray, Rapier looms is weaved, must first need not make as spandex after wrap yarn could looming weaving, reduce the cost of yarn, improve the mass uniformity of product; Its fabric made has following characteristics: the shrinkage factor of comfortable elasticity and recovery and stabilizer pole, and fabric elasticity is lasting; Fabric is soft, and well-pressed, drapability is good; Cloth cover is smooth, and wrinkle resistance is good; Hydroscopic fast-drying, feel is smooth; Dimensionally stable, non-ironingly easily arranges; But from its surperficial style, it is more single, does not have obvious feature, and is all FDY type from its form, and its fluffy performance of fabric formed is poor.
In order to obtain heterochromatic surperficial style, as mentioned in patent document CN200810242976.4, common PET in PBT/PET bi-component composite fiber is changed to modified PET, although the dyeability of PBT and modified PET has certain difference, certain aberration can be obtained, but both aberration not easily show on fabric, and PBT, PET in the cross section of fiber fiber axis to all in continuous print state, make on fabric, present the heterochromatic striped of continuous print, there is no the natural numb grey effect of similar polyester-cotton blend.
For another example a kind of cation easily dyeable composite polyester thick and thin section filament is disclosed in patent document CN200610037675.9, thickness joint is obtained by the incomplete drawing-off of hot pin, pass through the upper dye otherness of cationic polyester fiber and conventional polyester fiber simultaneously, thus obtain the fabric with striped sense, goniochromatic effect, but such fabric does not have elasticity, extensibility when wearing is poor; And there is no open-work outward appearance, striped sense too by force, fineless and smooth.
Summary of the invention
One is the object of the present invention is to provide to have the superior elastic fabric of the fine and smooth stripe effect of similar polyester-cotton blend (sense of fiber crops ash), open-work effect, bulkiness and production method thereof.
Technical solution of the present invention is: with parallel type two ingredient elastic pre-oriented yarn for raw material is through overheated pin space drawing, drawing-off in again in hot plate, false twisting, interlacing form two component thickness joint elastomeric yarn, then the yarn of more than at least 30 % by weight selects above-mentioned pair of component tight spot yarn to carry out weaving formation grey cloth, again by pre-treatment, the processing of dyeing Final finishing, obtain textiles.
Above-mentioned pair of component tight spot yarn has following feature, and composite yarn is the two ingredient elastic yarn be made up of crude joint part and detail section, and its birefringence Mean Deviation value △ N is 5.0*10
-3above; And composite yarn is made up of You Nian district and areas of non-twist, the length ratio of You Nian district and areas of non-twist is 1 ~ 30:100.
Two ingredient elastic tight spot yarn as above is made up of crude joint part and detail section.The degree of orientation of crude joint part is less than the degree of orientation of detail section, degree of orientation birefringence represents, birefringence is larger, represents that the degree of orientation is higher, during degree of orientation height, the dye-uptake of dyestuff is low, shows as light color, otherwise when the degree of orientation is low, the dye-uptake of dyestuff is high, show as dark color, so just occurred two-color effect, misalignment △ L namely as described below.In fact the size of its value has direct relation with yarn slubbing and details two-part degree of orientation difference, can guarantee the fine and smooth stripe effect of fabric.
You Nian district refers to that in yarn, fibres bond together, there is certain twist, twists with the fingers to being S sth. made by twisting or Z sth. made by twisting.Areas of non-twist refers to that yarn does not have the twist, has necessarily curling, more fluffy.The length ratio of You Nian district and areas of non-twist is 1 ~ 30:100, preferably 10 ~ 30:100, because the coherent between You Nian district fiber is stronger, the actual diameter of performance yarn is less than areas of non-twist, and then in fabric, show You Nian district part there is hole, i.e. open-work effect.
Two component thickness joint elastomeric yarn as above can be the parallel composite fiber of PTT/PET or PBT/PET or low viscosity PET/ High Viscosity PET.In composite fibre, the percentage by weight of the former composition and the latter's composition is 30/70 ~ 70/30, otherwise can not give full play to both contraction differences and then affect the elastic performance of finished product.
Warp-wise, the broadwise at least one party content that upwards the two component thickness of aforementioned parallel type saves elastomeric yarn of this elastic fabric are more than 40 % by weight.Namely thickness joint elastomeric yarn be more than 40 % by weight through content upwards, content in broadwise is more than 40 % by weight or is more than 40 % by weight in longitude and latitude content summation upwards.And if the party upwards thickness joint elastomeric yarn content is less than 40 % by weight, elastic extension, the elastic recovery rate in its direction, place are not good enough, and two-color effect is not obvious.Certainly more preferably warp, broadwise all have thickness joint elastomeric yarn, can realize the effect of spandex fabric, can reach obvious two-color effect again.
In the present invention, the yarn of surplus can be polyester textured yarn or polyester full-drafting yarn.In order to obtain more soft feel, preferably filament number is polyester textured yarn or the polyester full-drafting yarn of below 1.0dtex further, and more preferably filament number is the polyester textured yarn of below 1.0dtex.Polyester textured yarn can be false twist textured yarn, air deformation yarn etc.
The 100% misalignment value △ L saving elastomeric yarn by above-mentioned thickness or save by above-mentioned thickness the elastic fabric that elastomeric yarn and above-mentioned polyester textured yarn or polyester full-drafting yarn are formed is more than 1.0.
In elastic fabric of the present invention containing the elastic extension on two component thickness joint elastomeric yarn direction more than 8%, elastic recovery rate is more than 80%.
The production method of elastic fabric of the present invention, first with parallel type two ingredient elastic pre-oriented yarn for raw material is through overheated pin space drawing, drawing-off in again in hot plate, false twisting, interlacing form two component thickness joint elastomeric yarn, then the yarn of more than at least 30 % by weight selects above-mentioned pair of component tight spot yarn to carry out weaving formation grey cloth, again by pre-treatment, the processing of dyeing Final finishing, obtain textiles; The outer draw ratio of hot pin space drawing is the outer draw ratio <1+ bottleneck value of 1.1<; The temperature of hot pin is 40 ~ 90 DEG C; In in hot plate, the ratio of drawing-off is draw ratio <1.25 in 1.0<, is preferably draw ratio <1.15 in 1.0<.
In the strength and elongation of parallel type two ingredient elastic pre-oriented yarn, there is the region that stress does not change along with elongation, this region is called uneven pulling district, bottleneck value refers in the strength and elongation curve of pre-oriented yarn, along with the increase of extending, stretch value corresponding before corresponding stress changes, is bottleneck value.
Parallel type two ingredient elastic pre-oriented yarn as above refers to the parallel type pre-oriented yarn of PTT/PET or PBT/PET or the PET/PET formed by composite spinning, and its bottleneck value is 35% ~ 65%, and in spinning engineering, spinning speed is less than 3500m/min.This is because when spinning speed is higher than 3500m/min, non-uniform areas is too narrow and bottleneck value is too little, when space drawing, be not easy to form slubbing and details.
The outer draw ratio of space drawing described above is the outer draw ratio <1+ bottleneck value of 1.1<, when outer draw ratio is less than 1.1, drawing-off is even reversible process, poor stability, when the draw ratio of yarn is greater than (1+ bottleneck value), namely draw ratio too bottleneck value time, be in Uniform Tension district, can not tight spot yarn be formed.
In in hot plate, draw ratio (before and after hot plate roller speed ratio) is draw ratio <1.25 in 1.0<, and when interior draw ratio is less than 1.0, the poor stability of yarn, substantially without productivity.During due to drawing-off outside, define thickness joint, and the degree of orientation of crude joint part will be significantly less than detail section, when carrying out interior drawing-off, preferentially drawing-off is carried out to crude joint part, when interior draw ratio is greater than 1.25, likely by further for crude joint part drawing-down, thus the thickness of slubbing and detail section joint gap is diminished, namely the degree of orientation difference of slubbing and details diminishes, and then both colouring rate variances are diminished, easily can not produce two-color effect.
And when outer draw ratio is greater than (1+ bottleneck value) or interior draw ratio is greater than 1.25, is not easily formed and twists with the fingers district.Because You Nian district, in false-twisted process, is formed during twisting, when draft ratio is excessive, false twist tension can increase, and has destruction to the You Nian district formed.
Two component thickness joint elastomeric yarn is when interior drafting false twisting, and false twisting temperature can set according to the thickness of yarn.
(1) fiber number of two ingredient elastic tight spot yarn is 30 ~ 80dtex, false twisting temperature: 100 ~ 280 DEG C/90 ~ 270 DEG C (contactless two sections of hot casees);
(2) fiber number of two ingredient elastic tight spot yarn is that 80(does not comprise this endpoint value) ~ 150dtex, false twisting temperature: 220 ~ 320 DEG C/210 ~ 310 DEG C (contactless two sections of hot casees);
(3) fiber number of two ingredient elastic tight spot yarn is for more than 150dtex, heater temperature: 280 ~ 500 DEG C/270 ~ 490 DEG C (contactless two sections of hot casees).
The crimp recovery of two component thickness joint elastomeric yarns that method described above obtains is 25% ~ 45%.
Grey cloth obtained above, generally only needs the preliminary treatment of usual chemical & blended fabric and Colour Difference engineering can obtain the elastic fabric of two-color effect.
Sometimes in order to improve soft feeling, can increase decrement engineering, reduction rate is 0% ~ 35%, the size of reduction rate, can come suitably to regulate according to the feel of textiles.Grammes per square metre × 100 before reduction rate (%)=(before decrement after grammes per square metre-decrement grammes per square metre)/decrement.
By above obtained textiles, there is misalignment more than value △ L1.0, elastic extension more than 8%, the feature of elastic recovery rate more than 80%.
Accompanying drawing explanation
Fig. 1 is thickness joint elastomeric yarn You Nian district and areas of non-twist schematic diagram, and wherein A is for there being sth. made by twisting part, and B is non-twist part.
Fig. 2 is the thick detailed schematic of thickness of the present invention joint elastomeric yarn, and wherein C is detail section, and D is crude joint part.
Detailed description of the invention
In the present invention, the method for testing of properties of textile is as follows:
(1) birefringence Mean Deviation value:
A. dark parts in fabric and light-colored part are carried out mark respectively, and from fabric, the two component NGGB of parallel type two component thickness joint elastomeric yarn of dark parts and light-colored part is added elater, false twist elastic silk, wherein pre-oriented yarn Final finishing processing, obtains product and extract 5 respectively out from fabric;
B. make to measure respectively with the following method 5 dark parts birefringence n11, n12, n13, n14, n15 and 5 light-colored part birefringence n21, n22, n23, n24, n25; Birefringence method of testing: use NPS petrographic microscope, adopts Se Nameng penalty method.Light source adopts sodium light, and wavelength is 589 × 10
-6mm;
C. the average birefringence N1 of dark parts and the average birefringence N2 of light-colored part is calculated respectively, computing formula:
N1=(n11+n12+n13+n14+n15)/5,
N2=(n21+n22+n23+n24+n25)/5；
D. the Mean Deviation value △ N=N2-N1 of birefringence is calculated.
(2) misalignment value △ L value:
Profit measures the L1 value of dark parts on textiles and the L2 value of light-colored part with the following method respectively, and colour photometer COLOUR EYE3100 light source adopts D65, and test aperture Φ selects 3mm, calculates according to △ L=L2-L1.
(3) fabric elasticity percentage elongation: with reference to JIS L1096 B method.
(4) fabric elasticity response rate: with reference to JIS L 1096B-1 method.
Embodiment 1
The two component 150dtex-24f-PBT/PET(50/50 of parallel type so that bottleneck value is 50%) pre-oriented yarn is that raw material is through overheated pin space drawing, two component thicknesses joint elastomeric yarns of drawing-off in again in hot plate, false twisting, interlacing formation 100dtex, wherein hot pin temperature is 75 DEG C, the outer draw ratio of space drawing is 1.48, hot plate is contactless hot plate, temperature is 265/245 DEG C, and in hot plate, draw ratio is 1.02.
The crimp recovery of the yarn obtained by above method is 42%, and birefringence Mean Deviation value △ N is 15.0*10
-3.And yarn is made up of You Nian district and areas of non-twist, the length of You Nian district and areas of non-twist is ratio is 15:100.
Then all select above-mentioned pair of component thickness joint elastomeric yarn to carry out weaving formation grey cloth, tissue: plain weave, then by pre-treatment (refining-middle sizing-decrement), the processing of dyeing Final finishing, obtain textiles, its performance is in table 1.Wherein, the temperature of sizing is 180 DEG C, and the reduction rate of decrement engineering is 22.6%, and dyeing temperature during dyeing is 120 DEG C, and color is blue.
Embodiment 2
Show the two component thickness joint elastomeric yarns through selecting embodiment 1 obtained, back warp, weft yarn are 100dtex-144f-polyester air deformation yarn, warp backed weave is adopted to carry out weaving formation grey cloth, again by pre-treatment (refining-centre sizing), the processing of dyeing Final finishing, obtain textiles, its performance is in table 1.Wherein, the temperature of sizing is 180 DEG C, and dyeing temperature during dyeing is 125 DEG C, and color is coffee-like.
Embodiment 3
The two component 100dtex-32f-PTT/PET(30/70 of parallel type so that bottleneck value is 65%) pre-oriented yarn be raw material through overheated pin space drawing, then in hot plate in drawing-off, false twisting, interlacing two component thicknesses of forming 56dtex save elastomeric yarns.Wherein hot pin temperature is 45 DEG C, and the outer draw ratio of space drawing is 1.55, and hot plate is contactless hot plate, temperature is 200/190 DEG C, and in hot plate, draw ratio is 1.2.
The crimp recovery of the yarn obtained by above method is 45%, and birefringence Mean Deviation value △ N is 11.0*10
-3.And yarn is made up of You Nian district and areas of non-twist, the length of You Nian district and areas of non-twist is ratio is 10:100.
Then table through and above-mentioned pair of component tight spot yarn selected by table latitude, back warp selects 56dtex-72f-polyester full-drafting yarn, warp backed weave is adopted to carry out weaving formation grey cloth, again by pre-treatment (refining-centre sizing), the processing of dyeing Final finishing, obtain textiles, its performance is in table 1.Wherein, the temperature of sizing is 170 DEG C, and dyeing temperature during dyeing is 125 DEG C, and color is red.
Embodiment 4
The two component 100dtex-32f-PTT/PET(30/70 of parallel type so that bottleneck value is 65%) pre-oriented yarn be raw material through overheated pin space drawing, then in hot plate in drawing-off, false twisting, interlacing two component thicknesses of forming 56dtex save elastomeric yarns.Wherein hot pin temperature is 45 DEG C, and the outer draw ratio of space drawing is 1.55, and hot plate is contactless hot plate, temperature is 200/190 DEG C, and in hot plate, draw ratio is 1.05.
The crimp recovery of the yarn obtained by above method is 30%, and birefringence Mean Deviation value △ N is 30.0*10
-3.And yarn is made up of You Nian district and areas of non-twist, the length of You Nian district and areas of non-twist is ratio is 30:100.
Then table through and above-mentioned pair of component tight spot yarn selected by weft yarn, back warp selects 56dtex-72f-polyester full-drafting yarn, warp backed weave is adopted to carry out weaving formation grey cloth, again by pre-treatment (refining-centre sizing), the processing of dyeing Final finishing, obtain textiles, its performance is in table 1.Wherein, the temperature of sizing is 170 DEG C, and dyeing temperature during dyeing is 125 DEG C, and color is red.
Embodiment 5
With bottleneck value be the two component 300dtex-48f-PET/PET pre-oriented yarn (70/30) of parallel type of 35% for raw material is through overheated pin space drawing, then in hot plate in drawing-off, false twisting, interlacing two component thicknesses of forming 230dtex save elastomeric yarns.Wherein hot pin temperature is 90 DEG C, and the outer draw ratio of space drawing is 1.11, and hot plate is contactless hot plate, temperature is 450/440 DEG C, and in hot plate, draw ratio is 1.2.
The crimp recovery of the yarn obtained by above method is 25%, and birefringence Mean Deviation value △ N is 5.0*10
-3, and yarn is made up of You Nian district and areas of non-twist, and the length of You Nian district and areas of non-twist is ratio is 2:100.
Then all select above-mentioned pair of component tight spot yarn, adopt 3/3 twill-weave to carry out weaving formation grey cloth, then by pre-treatment (refining-middle sizing-decrement), the processing of dyeing Final finishing, obtain textiles, its performance is in table 1.Wherein, the temperature of sizing is 180 DEG C, and the reduction rate of decrement engineering is 15%, and dyeing temperature during dyeing is 120 DEG C, and color is blue.
Comparative example 1
With bottleneck value be the two component 150dtex-24f-PBT/PET pre-oriented yarn (50/50) of parallel type of 50% for raw material is through overheated pin space drawing, then in hot plate in drawing-off, false twisting, interlacing formation 84dtex two ingredient elastic yarn.Wherein hot pin temperature is 75 DEG C, and the outer draw ratio of space drawing is 1.7, and hot plate is contactless hot plate, temperature is 265/245 DEG C, stretches than being 1.05 in hot plate.
The crimp recovery of the yarn obtained by above method is 50%, and birefringence Mean Deviation value △ N is 0.And do not have and twist with the fingers district.
Then all select above-mentioned two ingredient elastic yarn, plain weave carries out weaving formation grey cloth, then by pre-treatment (refining-middle sizing-decrement), the processing of dyeing Final finishing, obtain textiles, its performance is in table 1.Wherein, the temperature of sizing is 180 DEG C, and the reduction rate of decrement engineering is 22.6%, and dyeing temperature during dyeing is 120 DEG C, and color is blue.
Comparative example 2
With bottleneck value be the two component 300dtex-48f-PET/PET pre-oriented yarn (70/30) of parallel type of 30% for raw material is through overheated pin space drawing, then in hot plate in drawing-off, false twisting, interlacing formation 230dtex two ingredient elastic yarn.Wherein hot pin temperature is 90 DEG C, and the outer draw ratio of space drawing is 1.11, and hot plate is contactless hot plate, temperature is 450/440 DEG C, and in hot plate, draw ratio is 1.2.
The crimp recovery of the yarn obtained by above method is 25%, and birefringence Mean Deviation value △ N is 1.0*10
-3, and yarn does not have sth. made by twisting district.
Then all select above-mentioned pair of component yarn, adopt 3/3 twill-weave to carry out weaving formation grey cloth, then by pre-treatment (refining-middle sizing-decrement), the processing of dyeing Final finishing, obtain textiles, its performance is in table 1.Wherein, the temperature of sizing is 180 DEG C, and the reduction rate of decrement engineering is 15%, and dyeing temperature during dyeing is 120 DEG C, and color is blue.
Table 1
Claims (8)
1. an elastic fabric, is characterized in that: in this elastic fabric, the yarn of more than at least 30 % by weight is parallel type two component thickness joint elastomeric yarn; The birefringence Mean Deviation value △ N of the two component tight spot yarn of described parallel type is 5.0*10
-3above, be made up of You Nian district and areas of non-twist, the length ratio of Qie Younian district and areas of non-twist is 1 ~ 30:100.
2. elastic fabric according to claim 1, is characterized in that: described parallel type two component thickness joint elastomeric yarn is the two component yarn of parallel type of PTT/PET, PBT/PET or PET/PET.
3. elastic fabric according to claim 1 or 2, is characterized in that: warp-wise, the broadwise at least one party content that upwards the two component thickness of described parallel type saves elastomeric yarn of this elastic fabric are more than 40 % by weight.
4. elastic fabric according to claim 1 or 2, is characterized in that: in this elastic fabric, the yarn of surplus is polyester textured yarn or polyester full-drafting yarn.
5. elastic fabric according to claim 4, is characterized in that: the misalignment value △ L of this elastic fabric is more than 1.0.
6. elastic fabric according to claim 1 or 2, is characterized in that: in this elastic fabric containing the elastic extension on two component thickness joint elastomeric yarn direction more than 8%, elastic recovery rate is more than 80%.
7. the production method of elastic fabric described in a claim 1, it is characterized in that: first with parallel type two ingredient elastic pre-oriented yarn for raw material is through overheated pin space drawing, drawing-off in again in hot plate, false twisting, interlacing form two component thickness joint elastomeric yarn, then the yarn of more than at least 30 % by weight selects above-mentioned pair of component tight spot yarn to carry out weaving formation grey cloth, again by pre-treatment, the processing of dyeing Final finishing, obtain product; The outer draw ratio of described hot pin space drawing is the outer draw ratio <1+ bottleneck value of 1.1<; The temperature of hot pin is 40 ~ 90 DEG C; In in hot plate, the ratio of drawing-off is draw ratio <1.25 in 1.0<; The bottleneck value of described pair of component pre-oriented yarn is 35% ~ 65%.
8. the production method of elastic fabric according to claim 7, is characterized in that: the crimp recovery of described pair of component thickness joint elastomeric yarn is 25% ~ 45%.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104831450A (en) * | 2015-04-15 | 2015-08-12 | 张家港英瑞实业有限公司 | Cotton/polyester-interlaced low-elasticity jean fabric material and manufacturing method thereof |
| CN108625025A (en) * | 2017-03-21 | 2018-10-09 | 东丽纤维研究所（中国）有限公司 | A kind of imitative cotton machine knitted fabric |
| CN111549409A (en) * | 2020-04-28 | 2020-08-18 | 浙江双兔新材料有限公司 | Device and process for producing different-twist and different-dyeing composite yarn and composite yarn |
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| CN108625025A (en) * | 2017-03-21 | 2018-10-09 | 东丽纤维研究所（中国）有限公司 | A kind of imitative cotton machine knitted fabric |
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| CN111549409A (en) * | 2020-04-28 | 2020-08-18 | 浙江双兔新材料有限公司 | Device and process for producing different-twist and different-dyeing composite yarn and composite yarn |
| CN111549409B (en) * | 2020-04-28 | 2021-07-20 | 浙江双兔新材料有限公司 | Device and process for producing different-twist and different-dyeing composite yarn and composite yarn |
| CN111748886A (en) * | 2020-05-14 | 2020-10-09 | 东丽酒伊织染（南通）有限公司 | Polyester high-elastic bicolor yarn and preparation method thereof |
| CN112575426A (en) * | 2020-11-18 | 2021-03-30 | 江苏盛恒化纤有限公司 | Permanent resilience type false twist yarn processing technology |
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