CN101050552B - Single stage drawing method for terylene continuous yarn filament in use for meshbelt, and preparation - Google Patents
Single stage drawing method for terylene continuous yarn filament in use for meshbelt, and preparation Download PDFInfo
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- CN101050552B CN101050552B CN2007100214759A CN200710021475A CN101050552B CN 101050552 B CN101050552 B CN 101050552B CN 2007100214759 A CN2007100214759 A CN 2007100214759A CN 200710021475 A CN200710021475 A CN 200710021475A CN 101050552 B CN101050552 B CN 101050552B
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- filament
- polyester filament
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- once step
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Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims description 8
- 229920004933 Terylene® Polymers 0.000 title claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 title claims description 6
- 229920000728 polyester Polymers 0.000 claims abstract description 30
- 238000009835 boiling Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000009987 spinning Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 2
- 235000004035 Cryptotaenia japonica Nutrition 0.000 abstract 1
- 102000007641 Trefoil Factors Human genes 0.000 abstract 1
- 235000015724 Trifolium pratense Nutrition 0.000 abstract 1
- 238000009941 weaving Methods 0.000 abstract 1
- 229920006052 Chinlon® Polymers 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004043 dyeing Methods 0.000 description 4
- 239000002932 luster Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 208000011580 syndromic disease Diseases 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000048 melt cooling Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The present invention relates to an improved one-step drawing method for preparing polyester filament for weaving tape. Said polyester filament is characterized by that it cross section is made into the form of trefoil, heterogeneous degree is 34-39%, extensibility is 40-50% and shrinkage in boiling water is 6.0-7.0%.
Description
Technical field
The present invention relates to a kind of ribbon braided filament, especially adopt the polyester filament of improved once step stretching method preparation.
Background technology
Raising along with modern life level, the courtesy contacts are frequent, gift band, high-grade goods ornamental tape, clothes fillet consumption are increasing, aforementioned ribbon braiding long filament, the requirement dyeability is good, lovely luster, and gloss and flexibility are good, and can satisfy the braided filament of this requirement substantially, at present unique have only cross section chinlon filament triangular in shape.Yet chinlon filament exists COLOR FASTNESS poor, and illumination is easily faded, and can lose original color and luster and vividness, and the more high many deficiencies of cost of material.
The polyester filament that the once step stretching method is produced, it is good then to have COLOR FASTNESS, be difficult for fading, and relative low price, cost of material only is about half of chinlon filament, but because the macromolecular chain of polyester filament is comparatively regular, arrange closely, degree of crystallinity height, degree of stretching are less relatively, generally have only 25%-30%, cause dyeability relatively poor; Increasing degree of stretching for example degree of stretching not only can produce the dyeing uniformity variation greater than 40%, the deep mixed color spot of color and luster occurs, even stiff some silk can occur, influences outward appearance.Secondly, the polyester filament poor dimensional stability that existing once step stretching method is produced, the ribbon after-contraction is bigger.Besides, the polyester filament initial modulus height that existing once step stretching method is produced, rigidity is strong, and pleasant softness is poor.Add that polyester filament gloss is relatively poor relatively, objectively not as chinlon filament.For above-mentioned reasons, the polyester filament of once step stretching method production at present can not be directly used in aforementioned ribbon.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of cheap, dyeability and COLOR FASTNESS are good, lovely luster, the single stage drawing method for terylene continuous yarn filament in use for meshbelt that gloss and pleasant softness are good.
Another object of the present invention is to provide each method of system of a kind of above-mentioned polyester filament.
The present invention's first purpose realizes, mainly by change polyester filament cross sectional shape, degree of profile, degree of stretching and boiling water shrinkage, thereby makes polyester filament can satisfy the requirement of look ribbon.Specifically, single stage drawing method for terylene continuous yarn filament in use for meshbelt of the present invention is characterized in that said long filament cross section is trilobal, degree of profile 34-39%, and degree of stretching 40-50%, boiling water shrinkage is 6.0-7.0%.
Polyester filament of the present invention
The degree of profile of long filament has not only been improved in the trifoil cross-section, and has improved the flexibility and the glossiness of polyester filament;
The high degree of stretching of more former long filament makes the long filament molecular structure become loose, has improved dyeability; Dwindle boiling water shrinkage, improved the DIMENSIONAL STABILITY of polyester filament.
Obtaining of above-mentioned polyester filament, realize by changing once step stretching method technology, as passing through to improve the spinneret draft multiple, doubly bring up to 140-160 doubly by original 110-120, reduce the draw ratio between spinning speed and setting roll and the draw roll, improve the degree of stretching that the once step stretching legal system is equipped with polyester filament, make molecular structure become loose, dyeability improves; By improving draw roll temperature, improve the degree of orientation and the degree of crystallinity of long filament molecule, improved the dyeing uniformity under the high ductility; By improving the setting roll temperature, reduced boiling water shrinkage; Improve cooling effect, make on the spinning melt freezing point position and move 5-10cm, stablized spray silk cross section, improved degree of profile, do not spray the silk section deformation and do not make because of the melt cooling velocity causes slowly.Specifically, the preparation of once step stretching method polyester filament of the present invention, comprise spinning, stretching, typing, coiling, it is characterized in that the spinnerets pass is a trilobal, the spinneret draft multiple is 140-160 times, spinning speed 4300-4600m/min, draw ratio between setting roll and the draw roll is 1.5-2.2 times, the setting roll temperature is 130～145 ℃, and draw roll temperature is 85～95 ℃, moves 5-1 ℃ of m on the melt solidifying point position.
Melt solidifying point of the present invention moves (solidifying in advance) on the position, can realize by improving the lateral blowing wind speed and/or changing the cooling air temperature, wherein a kind of better mode is to realize by improving the lateral blowing wind speed, can not change system's wind-warm syndrome like this, be convenient to production management, the test of cooling wind speed is preferably 0.55-0.65m/s.
The present invention is owing to adopt change once step stretching method technology, make the polyester filament of preparation, both kept the COLOR FASTNESS of former polyester filament good, be difficult for fading, the advantage that cost of material is low, improved dyeability again, and bright in colour, and gloss and flexibility are good, boiling water shrinkage is little, it is good to be made into the colour band DIMENSIONAL STABILITY, can satisfy a ribbon silk requirement fully, and the polyester filament that has overcome original once step stretching method production can not be directly used in many deficiencies of look ribbon.Can substitute expensive chinlon filament fully and be used for ribbon, greatly reduce the ribbon cost, 4500 yuan of ribbon escapable costs per ton.In addition, polyester filament of the present invention has also been widened the Application Areas of terylene thread.
Below in conjunction with a specific implementation method, further specify the present invention.
The specific embodiment
Embodiment: it is the 76dt/36f polyester filament that once step stretching legal system of the present invention is equipped with specification, adopt trilobal type hole spinnerets, the spinneret draft multiple is 150 times, spinning speed 4500m/min, draw roll speed 2300m/min, setting roll speed 4550m/min (draw ratio is 1.98), 88 ℃ of draw roll temperature, 130 ℃ of setting roll temperature, cooling wind speed (23 ℃ of wind-warm syndrome) 0.6m/s, melt solidifying point moves 8cm on the position.Gained long filament cross section is trilobal, degree of profile 35%, intensity 3.9CN/dt, degree of stretching 44%, boiling water shrinkage 6.7%, dyeing uniformity 〉=4 grade.
Comparative example: it is 76 to cut the 36f polyester filament that prior art once step stretching legal system is equipped with specification, 115 times of spinneret draft multiples, be spinning speed 4500m/min, draw roll speed 1500m/min, setting roll speed 4540m/min, 85 ℃ of draw roll temperature, 125 ℃ of setting roll temperature, cooling wind speed (23 ℃ of wind-warm syndrome) 0.45m/s.Gained long filament cross section is trilobal, degree of profile 28%, intensity 4.1CN/dt, degree of stretching 28%, boiling water shrinkage 8.O%, dyeing uniformity 〉=4 grade.
The present invention's improved once step stretching method technology and gained polyester filament see Table 1 table 2 with common once step stretching method and gained polyester filament and ribbon with chinlon filament performance and technology contrast.
Common synthetic fibre long filament of table 1 and polyester filament of the present invention and POLYAMIDE YARNS physical index contrast table
Conventional once step stretching method of table 2 and the improved once step stretching method of the present invention main technique contrast table
Claims (4)
1. single stage drawing method for terylene continuous yarn filament in use for meshbelt is characterized in that said long filament cross section is trilobal, degree of profile 34-39%, and degree of stretching 40-50%, boiling water shrinkage is 6.0-7.0%.
2. the preparation method of once step stretching method polyester filament, comprise spinning, stretching, typing, coiling, it is characterized in that the spinnerets pass is a trilobal, the spinneret draft multiple is 140-160 times, spinning speed 4300-4600m/min, the draw ratio between setting roll and the draw roll are 1.5-2.2 times, and the setting roll temperature is 130～145 ℃, draw roll temperature is 85～95 ℃, and melt solidifying point moves 5-10cm on the position.
3. according to the preparation method of the described once step stretching method of claim 2 polyester filament, it is characterized in that moving on the melt solidifying point position into adopting and improve the cooling wind speed.
4. according to the preparation method of the described once step stretching method of claim 3 polyester filament, it is characterized in that cooling off wind speed 0.55-0.65m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100214759A CN101050552B (en) | 2007-04-10 | 2007-04-10 | Single stage drawing method for terylene continuous yarn filament in use for meshbelt, and preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100214759A CN101050552B (en) | 2007-04-10 | 2007-04-10 | Single stage drawing method for terylene continuous yarn filament in use for meshbelt, and preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101050552A CN101050552A (en) | 2007-10-10 |
| CN101050552B true CN101050552B (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100214759A Expired - Fee Related CN101050552B (en) | 2007-04-10 | 2007-04-10 | Single stage drawing method for terylene continuous yarn filament in use for meshbelt, and preparation |
Country Status (1)
| Country | Link |
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| CN (1) | CN101050552B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534929B (en) * | 2010-12-29 | 2014-12-17 | 东丽纤维研究所（中国）有限公司 | Deep-dyed elastic fabric and production method thereof |
| CN102181950A (en) * | 2011-03-30 | 2011-09-14 | 仪征市中兴涤纶纤维厂 | Preparation method of super-bright and showy special polyester fully-drawn mixed fiber filament for fabric tape |
| CN111304824A (en) * | 2020-03-20 | 2020-06-19 | 李宁（中国）体育用品有限公司 | A kind of preparation method of webbing, webbing and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0601372B1 (en) * | 1992-12-10 | 1997-11-05 | Basf Corporation | Mixed cross-section carpet yarn |
-
2007
- 2007-04-10 CN CN2007100214759A patent/CN101050552B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0601372B1 (en) * | 1992-12-10 | 1997-11-05 | Basf Corporation | Mixed cross-section carpet yarn |
Non-Patent Citations (5)
| Title |
|---|
| JP特开2000-220030A 2000.08.08 |
| 杨崇倡等.高异形度三叶形涤纶的开发.合成纤维工业26 2.2003,26(2),33-35. |
| 杨崇倡等.高异形度三叶形涤纶的开发.合成纤维工业26 2.2003,26(2),33-35. * |
| 陈荣荣等.高伸长异形涤纶FDY工艺.聚酯工业18 2.2005,18(2),43-44. |
| 陈荣荣等.高伸长异形涤纶FDY工艺.聚酯工业18 2.2005,18(2),43-44. * |
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| CN101050552A (en) | 2007-10-10 |
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