CN101748548A - High-density elastic polybutylene terephthalate (PBT) fabric and method for producing same - Google Patents
High-density elastic polybutylene terephthalate (PBT) fabric and method for producing same Download PDFInfo
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- CN101748548A CN101748548A CN200810244475A CN200810244475A CN101748548A CN 101748548 A CN101748548 A CN 101748548A CN 200810244475 A CN200810244475 A CN 200810244475A CN 200810244475 A CN200810244475 A CN 200810244475A CN 101748548 A CN101748548 A CN 101748548A
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Abstract
The invention discloses high-density elastic polybutylene terephthalate (PBT) fabric and a method for producing the same. Warp yarn or/and weft yarn for weaving the PBT high-density elastic fabric is/are composite PBT yarn. One part of the composite PBT yarn is S-twisted, and the other part is Z-twisted. The total degree twist of the composite PBT yarn is 0-10T/M. The method for producing the PBT high-density elastic fabric comprises the following steps: producing composite PBT yarn, weaving the composite PBT yarn into fabric and post-processing the fabric. The composite PBT yarn is produced after two parts of original yarn are false twisted in opposite directions with the false twisting process and then are combined and interlaced. The stiff soft thick elastic PBT fabric is produced by processing, weaving and dying the composite PBT yarn.
Description
Technical field:
The present invention relates to a kind of textiles, be specifically related to a kind of high density elastic fabric and production method thereof.
Background technology:
The polybutylene terephthalate (PBT) fiber is a kind of novel polyester fiber.Engineering material as a kind of function admirable obtains people's attention the earliest.Development along with the textile science technology, people are more and more higher to the requirement of wearing fabric, not only need to have high elasticity satisfies human motion in taking needs, also require to have feasible curve and the beauty of strong manliness that embodies human body in the process of taking of certain well-pressed performance, comfort property for the contact human body also has bigger raising, and requiring has soft sense of touch.So the polybutylene terephthalate (PBT) fiber is because it has the favor that good hard and soft degree and elasticity obtain vast fabric design teacher.We can say that in knitting field the glamour of polybutylene terephthalate (PBT) fiber product obtains representing of wonderful stage.Though but everybody is attempting using this to have the new type polyester fiber of superior function in the woven fabric field, but the result is otherwise the elasticity deficiency, perhaps the thick and heavy straightening sense of lining can not adapt to people's needs, perhaps the surperficial style of lining can not satisfy people's needs, perhaps the elastic recovery rate of fabric can not satisfy people's clothing requirement, and in the dyeing process, problems such as wrinkle appear easily shrinking.The former research with the soft comfortable polybutylene terephthalate (PBT) fabric of the high stiffness of high density high elasticity that can satisfy above requirement becomes a major challenge in the textile industry.
Summary of the invention:
The object of the present invention is to provide a kind of polybutylene terephthalate (PBT) (hereinafter to be referred as PBT) high density elastic fabric and production method thereof with high elasticity performance.
Technical solution of the present invention is
A kind of PBT high density elastic fabric is characterized in that: constitute in the warp thread of fabric and the weft yarn and have a kind of PBT of being complex yarn at least, complex yarn for half S twist with the fingers to, half Z twist with the fingers to the PBT yarn, residual total twist 0-10T/M of complex yarn after the processing.
Below the PBT complex yarn that uses is done concrete elaboration.
The PBT complex yarn, be not extension silk POY by adopting PBT as raw material, obtain by the false twisting processing mode, technology comprises during the yarn false twisting: the HEAT SETTING → false twisting respectively → merging interlacing of two parts raw yarn drawing-off respectively → respectively → batch is specially:
A: when selecting raw material for use, adopt identical thickness of two parts total fiber number or comparison near the not extension silk POY of thickness as raw material, relatively the scope near thickness is a weight difference 5%.
B: in false-twisted process, two parts yarn feeds respectively through the parallel warp road, and two parts yarn adopts the identical extension ratio of 1.1-1.9, carries out synchronous elevated temperature heat typing more respectively
C: two parts PBT yarn enters two groups of sth. made by twisting respectively and carries out false twisting to opposite false twister, and promptly wherein yarn enters the false twister direction when being the false twister false twisting of S, and it is that the false twister of Z carries out false twisting that an other yarn then enters the false twister direction.
D: merge interlacing by the yarn after two rightabout false twister false twistings.Such two yarns remaining twist in false twisting obtains counteracting by after merging, and guarantees the flatness of high tightness fabric face in the engineering of back.For guaranteeing the fluffy performance of yarn, high interlacing during the interlacing condition is selected for use.
E: the residual total twist of PBT complex yarn false twisting that obtains by above-mentioned condition is 0-10T/M, has 40～70% high boiling water shrinkages, guarantees that fabric obtains high spring rate in the engineering of back.
The total tightness degree of this fabric is more than 2000, and having adopted the warp thread of polybutylene terephthalate (PBT) fiber and/or the spring rate of weft yarn is 10%～40%, and elastic recovery rate is more than 90%.
The total tightness degree of this fabric is 2500～4500, and having adopted the warp thread of polybutylene terephthalate (PBT) fiber and/or the spring rate of weft yarn is 15～25%.
Because the total tightness degree of fabric reaches more than 2000, preferred arrow shaft or shuttleless looms such as jet or water spray in the weaving process adopt the form of active type shedding, big warp tension on this basis.The scope of warp tension is 0.15CN/D～0.5CN/D, and preferentially select for use the low rate of sizing below 10% or adopt the following twist of 800T/M in the yarn set-up procedure, if when adopting the higher rate of sizing and the higher twist, can increase the actual fineness and the rigidity of yarn, bring bigger influence to weavability.
The major project of coloration of textile materials processing of the present invention is: pre-setting-concise → centre typing → decrement → dyeing → functional treatment → arrangement typing.When if fabric produces more filoplume in process, after the typing of centre, can carry out Singeing Engineering as required.
Pre-setting: because the raw yarn of fabric adopts the PBT complex yarn, the particularity of PBT complex yarn in the yarn process, half S twist with the fingers half Z twist with the fingers be combined into yarn after, pass through the pre-setting more than 100 ℃ in the process, movement difference between the yarn fibers reduces, and has improved the coloration of textile materials performance.
Refining: owing in weft yarn, have a kind of PBT of being complex yarn at least, there is no obvious difference with the ordinary polyester fiber, so the condition of refining is: T=80～105 ℃, alkaline agent concentration is 5～10g/l, refining agent concentration is 4～12g/l, refining speed determines that according to the thickness and the refining effect of cloth speed is generally 15m/min～80m/min.
Middle typing: the effect of middle typing is the uniformity that improves fabric smoothness and improve back engineering decrement.The temperature of middle typing is generally 160 ℃～220 ℃, the setting of fabric width need be set according to the effect of cloth cover, in order to reach the elasticity of fabric, guarantee the spontaneous effect of yarn in fabric of crispaturaing, on the basis of the typing Qianmen width of cloth, add 2～8cm, if the wrinkle of cloth cover is more serious, can select the suitable temperature and the suitable expansion door width of cloth to improve.
Decrement: this engineering purpose mainly is a kind of method that improves the pliability of fabric.Reduction rate will require according to the feel of fabric and the selection of yarn kind is decided.General reduction rate is 0%～25%.
Cloth grammes per square metre * 100% before reduction rate=(grammes per square metre after the preceding cloth grammes per square metre-decrement of decrement)/decrement.
Dyeing: adopt the fabric of PBT complex yarn,, can carry out 110 ℃ dyeing, also can guarantee the COLOR FASTNESS of fabric with common PBT dyeing.
Functional treatment: for the soft hand feeling of giving prominence to fabric can increase soft processing in the resin engineering; For fabric obtains other functions, can carry out other functional treatments, such as: antistatic finish, water repellent finish, hard finishing, anti-crease finishing etc.
Arrangement typing: for the raising of dimensional stability for fabric and obtain better cloth cover effect, the arrangement typing is necessary.The temperature of typing is generally low than the centre typing, is generally 130 ℃～200 ℃, and the surface effect of engineering sample cloth and the requirement of feel increase by 0～15cm before the set basis of fabric width on the basis of preceding engineering sample cloth fabric width.
In the dyeing and finishing processing method, can carry out common soft back arrangement processing as required, also can carry out functional as the processing etc. of flooding, obtain PBT high density elastic fabric.Fabric has the stiffness of high tightness sense, pliability and high elasticity.
The method of testing and the computing formula of the every index among the present invention are as follows:
[coverage coefficient]
Coverage coefficient=warp-wise coverage coefficient+broadwise coverage coefficient,
Warp (latitude) coverage coefficient=(through (latitude) yarn denier) 1/2* warp (latitude) density (root/IN)
[fabric elasticity rate and elastic recovery rate]
Testing standard:
The tensile elasticity test method FZ/T 01062-1999 of stretch woven fabrics
[the residual twist]
Testing standard: GB/T 14345-2003 synthetic fiber filament twist test method
The invention will be further described below in conjunction with embodiment.
Embodiment 1:
Adopt warp thread: 84T-14-W20E (PET yarn), weft yarn: 84T/2-24-W80T (PBT complex yarn), tissue: 3/3 twill left to right, density: 122/inch weaves through close 282/inch* filling density, the wherein preparation of weft yarn 84T/2-24-W80T: it is raw material that yarn adopts 110D-24F-PBT POY2 root, false twisting adds man-hour, S twist with the fingers to, Z twist with the fingers to, two parts yarn feeds respectively through the parallel warp road, adopts 1.3 times extension ratio, merges interlacing by the yarn after two rightabout false twister false twistings, residual total twist of complex yarn is 5T/M, and the boiling water shrinkage of yarn is 48%.Above-mentioned grey cloth is finalized the design by pre-HEAT SETTING → concise → middle typing → decrement → dyeing → functional treatment → arrangement,
Wherein pre-HEAT SETTING: 110 ℃ of temperature.
Concise: 95 ℃ of speed 50m/min of temperature, the time of staying 10～15s.
Middle typing: middle setting temperature is 190 ℃, speed 50m/min, and wind speed 30Hz, the setting fabric width is 148cm, the fabric width that is over is 148cm.
Decrement: alkaline agent concentration 30%, reduction rate 8.3%.
Dyeing: adopt liquid-flow dyeing machine to dye.Programming rate: 1～2 ℃/min, maximum temperature: 130 ℃, highest temperature temperature retention time: 20min, cooling rate: 1～2 ℃/min, bath raio: 1: 20, nozzle gap: 80/3, valve opening: 5.Used dyestuff is a DISPERSE DYES, and color is light grey.
Functional treatment: this engineering has adopted the antistatic resin arrangement, in order further to improve the pliability of fabric, adds suitable softener.
Arrangement typing: 160 ℃ of setting temperatures, speed: 50m/min, wind speed 30Hz.The setting fabric width is 142cm, and fabric width 142cm is over.
Finally make finished product, the total tightness degree of fabric is: 4175, and broadwise spring rate 15%～20%, elastic recovery rate are 94%.
Embodiment 2:
Adopt warp thread: 111T-144-DTY (PET yarn), weft yarn: 84T/2-24-W80T (PBT complex yarn), tissue: 3/3 twill left to right, density: through 95/inch of close 194/inch* filling density, wherein the processing method of PBT complex yarn 84T/2-24-W80A and performance are with the weft yarn among the embodiment 1, above-mentioned then grey cloth is by concise → middle typing → dyeing → functional treatment → arrangement typing, and concrete technology is with embodiment 1.Finally make finished product, the total tightness degree of fabric is 3125, and the broadwise elasticity 15%～30% of fabric, fabric elasticity response rate are 93%.
Embodiment 3:
Adopt warp thread: 100T-36-W80A (PBT complex yarn), weft yarn: 100T-36-W80T (PBT complex yarn), tissue: 3/1 twill left to right, density: through 128/inch of close 280/inch* filling density, wherein 2 of weft yarn 100T-36-W80T (PBT complex yarn) yarn employing 130D-36F-PBT POY are raw material, add in false twisting and to adopt 1.44 extension ratio man-hour, the boiling water shrinkage of the PBT complex yarn that obtains is 60%.Above-mentioned grey cloth finally makes finished product by pre-HEAT SETTING → concise → middle typing → decrement → dyeing → functional treatment → arrangement typing.1 reference of key process parameter example, dyeing temperature are selected 110 ℃ for use.
The total tightness degree of fabric is: 3871, and through broadwise elasticity 15%～20%, elastic recovery rate is 91%.
Claims (5)
1. polybutylene terephthalate (PBT) high density elastic fabric, it is characterized in that: having at least a kind of in the warp thread of formation fabric and the weft yarn is polybutylene terephthalate (PBT) fiber composite yarn, and complex yarn for half S twist with the fingers to, second half Z twist with the fingers to yarn, residual total twist of processing back complex yarn is 0～10T/M.
2. polybutylene terephthalate (PBT) high density elastic fabric according to claim 1, it is characterized in that, the total tightness degree of this fabric is more than 2000, and having adopted the warp thread of polybutylene terephthalate (PBT) fiber and/or the spring rate of weft yarn is 10%～40%, and elastic recovery rate is more than 90%.
3. polybutylene terephthalate (PBT) high density elastic fabric according to claim 1 is characterized in that the total tightness degree of this fabric is 2500～4500, and having adopted the warp thread of polybutylene terephthalate (PBT) fiber and/or the spring rate of weft yarn is 15～25%.
4. the production method of a polybutylene terephthalate (PBT) high density elastic fabric, comprise the preparation complex yarn, weave grey cloth, rear processing finishing, it is characterized in that: in preparation complex yarn process, adopt false twisting technology, two parts raw yarn adopts opposite false twisting direction, and then the merging interlacing makes complex yarn together.
5. the production method of polybutylene terephthalate (PBT) high density elastic fabric according to claim 4 is characterized in that: in the rear processing finishing process, this fabric also passes through pre-HEAT SETTING, and the temperature of pre-HEAT SETTING is more than 100 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810244475A CN101748548A (en) | 2008-12-05 | 2008-12-05 | High-density elastic polybutylene terephthalate (PBT) fabric and method for producing same |
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| CN200810244475A CN101748548A (en) | 2008-12-05 | 2008-12-05 | High-density elastic polybutylene terephthalate (PBT) fabric and method for producing same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534928A (en) * | 2010-12-22 | 2012-07-04 | 东丽纤维研究所（中国）有限公司 | Elastic fabric and production method thereof |
| CN102965790A (en) * | 2011-08-30 | 2013-03-13 | 东丽纤维研究所（中国）有限公司 | Light and thin fabric and production method thereof |
| CN103603113A (en) * | 2013-12-02 | 2014-02-26 | 东丽合成纤维（南通）有限公司 | Special fusion type polyester false twisting textured yarn, method for manufacturing special fusion type polyester false twisting textured yarn and woven fabric made of special fusion type polyester false twisting textured yarn |
| CN114934341A (en) * | 2021-07-23 | 2022-08-23 | 上海九裕纺织科技有限公司 | Weaving process for producing woven imitation knitted fabric based on T8 and application |
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2008
- 2008-12-05 CN CN200810244475A patent/CN101748548A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534928A (en) * | 2010-12-22 | 2012-07-04 | 东丽纤维研究所（中国）有限公司 | Elastic fabric and production method thereof |
| CN102534928B (en) * | 2010-12-22 | 2015-04-29 | 东丽纤维研究所（中国）有限公司 | Elastic fabric and production method thereof |
| CN102965790A (en) * | 2011-08-30 | 2013-03-13 | 东丽纤维研究所（中国）有限公司 | Light and thin fabric and production method thereof |
| CN102965790B (en) * | 2011-08-30 | 2014-12-17 | 东丽纤维研究所（中国）有限公司 | Light and thin fabric and production method thereof |
| CN103603113A (en) * | 2013-12-02 | 2014-02-26 | 东丽合成纤维（南通）有限公司 | Special fusion type polyester false twisting textured yarn, method for manufacturing special fusion type polyester false twisting textured yarn and woven fabric made of special fusion type polyester false twisting textured yarn |
| CN103603113B (en) * | 2013-12-02 | 2015-09-30 | 东丽合成纤维（南通）有限公司 | The braided fabric that polyester is special to be melted false twist yarn and manufacture method thereof and make |
| CN114934341A (en) * | 2021-07-23 | 2022-08-23 | 上海九裕纺织科技有限公司 | Weaving process for producing woven imitation knitted fabric based on T8 and application |
| CN114934341B (en) * | 2021-07-23 | 2023-05-12 | 上海九裕纺织科技有限公司 | Weaving process for producing tatting imitation knitting fabric based on T8 and application |
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Open date: 20100623 |