CN101328634A - Production method of special-shaped super-bright fully drawn yarn-low stretch yarn - Google Patents
Production method of special-shaped super-bright fully drawn yarn-low stretch yarn Download PDFInfo
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- CN101328634A CN101328634A CNA2008100410284A CN200810041028A CN101328634A CN 101328634 A CN101328634 A CN 101328634A CN A2008100410284 A CNA2008100410284 A CN A2008100410284A CN 200810041028 A CN200810041028 A CN 200810041028A CN 101328634 A CN101328634 A CN 101328634A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 229920000728 polyester Polymers 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000009998 heat setting Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 24
- 238000005516 engineering process Methods 0.000 description 14
- 239000004744 fabric Substances 0.000 description 10
- 229920004933 Terylene® Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 241001589086 Bellapiscis medius Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
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Abstract
The invention provides a production method of special-shaped super-bright fully drawn yarn-low stretch yarn, namely a method for preparing special-shaped FDY polyester filament yarn into DTY polyester filament yarn. The invention solves the problems of poor maintenance of the profile degree of the profiled DTY polyester filament, poor dimensional stability and soft hand feeling of the FDY polyester filament, and makes up the defects of the prior art.
Description
Technical field
The present invention relates to a kind of production method of special-shaped superbright fully drawn yarn-low-elastic yarn.
Background technology
Along with the active demand of people to superior, comfortableization of clothing fabric, superbright light polyester filament is because of its comfortable fashion, and the gloss sense organ is good, good hand touch, and market demand is increasing.And produce now have the comfortable flexibility of light polyester filament poor, the outer surface of strand is poor to ray refraction, reflecting effect, gloss dimness, and lousiness is many, broken end very easily, the lining that is made into lacks flexibility and beautiful property.
At present, most of producers all adopt the controlling fiber profiled-cross-section to reach the high glaze of fiber.The profiled-cross-section of fiber comprises trilobal, Y shape, W shape, splayed etc.Wherein the fiber surface of trifoil cross-section has unique vertical rough pattern structure, also has bigger bending rigidity and resilience and drapability preferably simultaneously, thereby makes that its fabric has more the gloss gracefulness, sense of touch is soft and be rich in the nature sense.And the product profit is big, superior performance, and energy and natural fabric compare favourably even exceed.Therefore, the look and feel that terylene three leaves special-shaped long filaments has been given the new function of fiber and performance and can have been improved fabric also can create higher added value, has vast potential for future development.
The special-shaped silk of three leaves can produce silky luster, is widely used." the TCS method is produced the super craft discussion that light triangle FDY is arranged of terylene " (" synthetic fiber industry ", 2001,24 (4): 53-55) reported that hot-pipe spinning stretching one-step method produces the technology of terylene superbright light triangle FDY, operation technique is produced 57dtex/36f terylene superbright light triangle fiber; " the special-shaped polyester FDY production technology of fine denier lustrous triangle is inquired into " (" synthetic technology and application ", 2003,18 (1): 34-40) reported fine-denier triangle polyester FDY production technology, on common FDY production line, produced the special bright FDY polyester filament of 56dtex/36f triangle.But triangle has light FDY terylene filament fabric feel not soft at present, can not adapt to people's requirement more and more high to fabric gradually.
" thin dawn profiled-cross-section Moisture Absorption Perspiration Polyester Filament production technology is inquired into " (" synthetic fiber ", 2007,11:42-44) reported through POY-DTY process route production Moisture Absorption Perspiration Polyester Filament fiber that moisture pick-up properties is good, quality is high.(" synthetic technology and application ", 2003,8 (2): 40-43) report utilizes the POY-DTY route to produce special bright special-shaped polyester filament by the adjustment optimization of Design of spinneret and spinning technique " special bright special-shaped polyester filament exploitation ".Because POY-DTY takes after-drawing technology in producing, its draw ratio is between 1.5-1.8, and fiber number at twisting process bigger variation has taken place, and this maintenance to special-shaped degree has produced adverse influence, makes special-shaped degree, the brightness of POY-DTY silk descend significantly.
Summary of the invention
The production method that the purpose of this invention is to provide a kind of special-shaped superbright fully drawn yarn-low-elastic yarn (FDY-DTY), the invention solves that special-shaped polyester DTY long filament degree of profile keeps poor, DIMENSIONAL STABILITY is bad and the not soft problem of special-shaped polyester FDY long filament feel, has remedied the deficiencies in the prior art.
The production method of a kind of special-shaped superbright fully drawn yarn-low-elastic yarn of the present invention, its DTY main technique flow process are special-shaped FDY long filament drawn twisting → HEAT SETTING → oil → reel, and finally special-shaped FDY polyester filament are made special-shaped DTY polyester filament.
As optimized technical scheme:
The production method of aforesaid a kind of special-shaped superbright fully drawn yarn-low-elastic yarn, wherein, described stretching is little stretching, draw ratio 1.01～1.10.
The production method of aforesaid a kind of special-shaped superbright fully drawn yarn-low-elastic yarn, wherein, 170 ℃-180 ℃ of described heat setting temperatures.
In order to obtain high brightness and high special-shaped degree conservation rate, and fiber with better flexibility, after full stretching FDY technology, introduce one and add the technology that plays DTY, promptly the FDY fiber is carried out DTY processing, produce trilobal superbright light FDY-DTY polyester filament, keeping having improved the not soft shortcoming of FDY feel on the FDY product brightness basis, it is better that the fabric of preparation has better feel, the outward appearance more beautiful.
The DTY technology of FDY-DTY of the present invention is mainly passed through equipment: the FDY long filament → yarn cutter → first roller → deformation hot box → coldplate → false twister → second roller → network → hot case of WX roller → second → the 3rd roller → spy silk device → oiling roller → coiling.
Wherein the second hot case is a key in the processing of FDY-DTY silk to the HEAT SETTING of fiber, HEAT SETTING is one of master operation of polyester fiber processing, it can adjust the fine structure of fiber, make it to set up stable shape more, the overall orientation degree and the degree of crystallinity of fiber are improved, the size of crystal region and degree of crystallinity reach a new state, and the heat endurance of fiber significantly improves, and after process and take DIMENSIONAL STABILITY is preferably arranged in the process.Temperature control has bigger influence to stress, raising degree of crystallinity, the crystal size of eliminating fibrous inside, is the key factor that keeps fiber brightness, special-shaped degree.
Because fiber has carried out HEAT SETTING in the FDY production process, and has had certain degree of crystallinity, but its draw ratio is between 1.01-1.10.There is the crystallization imperfection in FDY, improving temperature and be unformed area minute rearranges, can limit the lax of noncrystalline domain strand, eliminate internal stress, reduced the defective of unformed area, make gained fiber boiling water shrinkage little, reach the dyeability that physical properties stable is become reconciled, by improving the temperature of the second hot case, can keep the special-shaped degree of fiber better, thereby obtain the polyester filament of superbright light.Described special-shaped degree is expressed from the next:
Wherein r is a special-shaped silk cross section inscribed circle radius, and R is a circumradius.
The cross section of special-shaped superbright light polyester filament of the present invention (FDY-DTY) is normal trilobal; The fiber number of described polyester filament is 0.6-2.5d.p.f, fracture strength 3.5-4.5cN/dtex, elongation at break are 20-30%, elongation CV%≤4% boiling water shrinkage 2.5-4.0%, wherein fiber abnormal shape degree y is 28-33%, to the maintenance of special-shaped degree up to 92-95%.Its technical characterstic comprises:
(1) be used for the product index of the FDY of FDY-DTY processing: the cross section is normal trilobal; The fiber number of polyester filament is 0.6-2.5d.p.f, and fracture strength 3.0-4.0cN/dtex, elongation at break are 20-40%, oil content 0.5-1.2%, and boiling water shrinkage 5-10%, wherein fiber abnormal shape degree y is 30-35%;
(2) DTY first heater temperature is at 180-190 ℃, and the second hot case is at 170-180 ℃;
The draw ratio of DTY is 1.01-1.10.
The invention has the beneficial effects as follows:
The special-shaped superbright light FDY-DTY finished product long filament that the production method of a kind of special-shaped superbright fully drawn yarn-low-elastic yarn of the present invention makes, the product lousiness is few, little breakage, bar is done evenly, and its flexibility is good, and feel is splendid, and the gloss superbright, constant product quality.This method adopts traditional FDY, DTY equipment, has not only reduced production cost, has increased value-added content of product, has also better controlled the special-shaped degree of fibre section, and gloss is more beautiful, and soft comfortableness improves.
The specific embodiment
Below in conjunction with the specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
The special-shaped superbright light of 50dtex/36f FDY-DTY polyester filament: make DTY by reeling after the special-shaped FDY drawn distortion of superbright light, the micronetwork technology.Wherein, the rate of oiling of FDY is 0.8%, and elongation at break is 30%, and elongation coefficient of variation CV% is 3.00%; 185 ℃ of DTY first heater temperatures, 175 ℃ of second heater temperatures, draw ratio 1.01, being processed into DTY is fracture strength 3.50cN/dtex, elongation at break 30%, profiled-cross-section are trilobal, and wherein the special-shaped degree y of FDY is 33%, the special-shaped degree y of DTY is 31%, to the maintenance of special-shaped degree up to 94%.This product had both been had a gloss superbright, moisture pick-up properties preferably, and feel is more soft and full again to be processed into fabric.
Embodiment 2
The special-shaped superbright light of 75dtex/72f FDY-DTY polyester filament: make DTY by reeling after the special-shaped FDY drawn distortion of superbright light, the micronetwork technology.Wherein, the rate of oiling of FDY is 1.0%, and elongation at break is 20%, and elongation coefficient of variation CV% is 3.00%; 185 ℃ of DTY first heater temperatures, 180 ℃ of second heater temperatures, draw ratio 1.03, being processed into DTY is fracture strength 4.00cN/dtex, elongation at break 20%, profiled-cross-section are trilobal, and wherein the special-shaped degree y of FDY is 30%, the special-shaped degree y of DTY is 28%, to the maintenance of special-shaped degree up to 93%.This product had both been had a gloss superbright, moisture pick-up properties preferably, and feel is more soft and full again to be processed into fabric.
Embodiment 3
The special-shaped superbright light of 50dtex/24f FDY-DTY polyester filament: make DTY by reeling after the special-shaped FDY drawn distortion of superbright light, the micronetwork technology.Wherein, the rate of oiling of FDY is 0.6%, and elongation at break is 25%, and elongation coefficient of variation CV% is 3.00%; 180 ℃ of DTY first heater temperatures, 175 ℃ of second heater temperatures, draw ratio 1.02, being processed into DTY is fracture strength 3.70cN/dtex, elongation at break 25%, profiled-cross-section are trilobal, and wherein the special-shaped degree y of FDY is 32%, the special-shaped degree y of DTY is 30%, to the maintenance of special-shaped degree up to 92.5%.This product had both been had a gloss superbright, moisture pick-up properties preferably, and feel is more soft and full again to be processed into fabric.
Claims (3)
1. the production method of a special-shaped superbright fully drawn yarn-low-elastic yarn is characterized in that: DTY main technique flow process is a special-shaped FDY long filament drawn twisting → HEAT SETTING → oil → reel, and finally special-shaped FDY polyester filament is made the DTY polyester filament.
2. the production method of a kind of special-shaped superbright fully drawn yarn-low-elastic yarn as claimed in claim 1 is characterized in that, described stretching is little stretching, draw ratio 1.01～1.10.
3. the production method of a kind of special-shaped superbright fully drawn yarn-low-elastic yarn as claimed in claim 1 is characterized in that, 170 ℃-180 ℃ of described heat setting temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100410284A CN101328634A (en) | 2008-07-25 | 2008-07-25 | Production method of special-shaped super-bright fully drawn yarn-low stretch yarn |
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| CNA2008100410284A CN101328634A (en) | 2008-07-25 | 2008-07-25 | Production method of special-shaped super-bright fully drawn yarn-low stretch yarn |
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| CN101328634A true CN101328634A (en) | 2008-12-24 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982586A (en) * | 2010-11-16 | 2011-03-02 | 江苏省衣维新投资发展有限公司 | Jacquard broken twill fabric |
| CN102337601A (en) * | 2011-07-07 | 2012-02-01 | 浙江恒逸聚合物有限公司 | Improved polyester FDY (Fully Drawn Yarn) drawing device and method for producing polyester low-shrinkage fully drawn yarn |
| CN102418158A (en) * | 2011-08-02 | 2012-04-18 | 东华大学 | Preparation method of polyester filament yarns for industry |
| CN102995198A (en) * | 2011-09-09 | 2013-03-27 | 中国石油化工股份有限公司 | Production method for improving brightness of dacron super bright yarn |
| CN103063157A (en) * | 2012-12-20 | 2013-04-24 | 中国纺织科学研究院 | Fine denier pre-oriented fiber profile degree detecting method |
| CN104018240A (en) * | 2014-05-27 | 2014-09-03 | 长乐力恒锦纶科技有限公司 | Method for preparing glossy nylon DTY (do it yourself) product |
| CN105063809A (en) * | 2015-07-31 | 2015-11-18 | 江苏恒科新材料有限公司 | Bright warm-keeping lightness type fibers and preparation method thereof |
| CN105064029A (en) * | 2015-07-31 | 2015-11-18 | 江苏恒科新材料有限公司 | Ultra-bright polyester DTY fibers and preparation method thereof |
| CN107988649A (en) * | 2017-12-14 | 2018-05-04 | 江苏恒力化纤股份有限公司 | Superfine draw texturing yarn and preparation method thereof |
| CN109137101A (en) * | 2018-08-07 | 2019-01-04 | 浙江彩蝶实业有限公司 | The production technology of high tenacity polyester fiber DTY |
-
2008
- 2008-07-25 CN CNA2008100410284A patent/CN101328634A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982586A (en) * | 2010-11-16 | 2011-03-02 | 江苏省衣维新投资发展有限公司 | Jacquard broken twill fabric |
| CN102337601A (en) * | 2011-07-07 | 2012-02-01 | 浙江恒逸聚合物有限公司 | Improved polyester FDY (Fully Drawn Yarn) drawing device and method for producing polyester low-shrinkage fully drawn yarn |
| CN102418158A (en) * | 2011-08-02 | 2012-04-18 | 东华大学 | Preparation method of polyester filament yarns for industry |
| CN102995198A (en) * | 2011-09-09 | 2013-03-27 | 中国石油化工股份有限公司 | Production method for improving brightness of dacron super bright yarn |
| CN103063157A (en) * | 2012-12-20 | 2013-04-24 | 中国纺织科学研究院 | Fine denier pre-oriented fiber profile degree detecting method |
| CN104018240A (en) * | 2014-05-27 | 2014-09-03 | 长乐力恒锦纶科技有限公司 | Method for preparing glossy nylon DTY (do it yourself) product |
| CN105063809A (en) * | 2015-07-31 | 2015-11-18 | 江苏恒科新材料有限公司 | Bright warm-keeping lightness type fibers and preparation method thereof |
| CN105064029A (en) * | 2015-07-31 | 2015-11-18 | 江苏恒科新材料有限公司 | Ultra-bright polyester DTY fibers and preparation method thereof |
| CN105064029B (en) * | 2015-07-31 | 2017-11-03 | 江苏恒科新材料有限公司 | A kind of superbright light polyester DTY fiber and preparation method thereof |
| CN107988649A (en) * | 2017-12-14 | 2018-05-04 | 江苏恒力化纤股份有限公司 | Superfine draw texturing yarn and preparation method thereof |
| CN109137101A (en) * | 2018-08-07 | 2019-01-04 | 浙江彩蝶实业有限公司 | The production technology of high tenacity polyester fiber DTY |
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Open date: 20081224 |