CN104532397A - Deeply dyed fine-denier polyamide high-tenacity filament and preparation method thereof - Google Patents
Deeply dyed fine-denier polyamide high-tenacity filament and preparation method thereof Download PDFInfo
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- CN104532397A CN104532397A CN201410720131.7A CN201410720131A CN104532397A CN 104532397 A CN104532397 A CN 104532397A CN 201410720131 A CN201410720131 A CN 201410720131A CN 104532397 A CN104532397 A CN 104532397A
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Abstract
The invention relates to a preparation method of a deeply dyed fine-denier polyamide high-tenacity filament, which comprises the following steps: slicing and fusing polyamide 6, extruding, quantifying by a metering pump, spraying by a spinneret plate, cooling filament bundle, oiling, pre-interlacing, drawing and performing heat fixing, and finally packaging. The sliced polyamide 6 is composed of sliced polyamide 6 with common viscosity and high amino end group sliced polyamide 6 with high viscosity by mixing; relative viscosity of the sliced polyamide 6 with common viscosity is 2.40-2.45, amino end group is between 40-45 milligrams equivalent/mole; relative viscosity of the high amino end group sliced polyamide 6 with high viscosity is 2.70-3.0, and amino end group is 75-85 milligrams equivalent/mole. According to the invention, the fiber number scope of deeply dyed fine-denier polyamide high-tenacity filament is 7-20dtex, breaking tenacity is greater than 6.0Cn/dtex, and breaking elongation is 35-45%. The fine-denier polyamide high-tenacity filament has deep dyeing function and has more dyeing superiority, cost is low, dyeing time is short, dye amount is reduced by 15%, environment protection is realized, and waste water is reduced by 40% by comparing with normal condition.
Description
Technical field
The present invention relates to a kind of engrain fine-denier polyamide fiber high strength yarn, also relate to a kind of preparation method of engrain fine-denier polyamide fiber high strength yarn.
Background technology
Fine Denier Nylon 6 full-drawn yarn is the nylon fibre new varieties of rising in recent years, such as, and Chinese patent application [application number: 200910006232.7; Authorization Notice No.: CN101476169B], disclose a kind of production method of high strength fine-denier polyamide fiber 6 fully drawn yarn, the product fracture strength that the method is produced is high, can be widely used in high-end garment market and high-end socks product market, has wear-resistant, soft like features such as thin,tough silk sensations.
But along with downstream client continually develops the needs of high-end new product, prior art basis requires product dyes more bright-coloured, therefore, be necessary to propose effective technical scheme, solve the problem.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of preparation method of engrain fine-denier polyamide fiber high strength yarn is provided.The method step is simple, and the product of preparation easily contaminates and fuel saving, soft, and intensity is high.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of preparation method of engrain fine-denier polyamide fiber high strength yarn, and step is as follows:
1), by chinlon 6 section through extruder heating and melting, extrude;
2), by step 1) in the melt that obtains quantitative through high-precision measuring pump, press-in filament spinning component, through spinnerets ejection, forms tow in spinning manifold;
3), by step 2) in the tow that obtains carry out cooling, oil, pre-interlacing;
4), by step 3) in tow after pre-interlacing carry out drawing and heat-setting;
5), last package, namely obtain engrain fine-denier polyamide fiber high strength yarn;
Described chinlon 6 section to be mixed with the chinlon 6 section of high viscosity, high amino end group by the chinlon 6 section of common viscosity and forms;
The chinlon 6 section of described common viscosity for section relative viscosity is between 2.40-2.45, amino end group amount 40-45 milliequivalent/mole between; The chinlon 6 section of high viscosity, high amino end group for section relative viscosity is between 2.70-3.0, amino end group amount 75-85 milliequivalent/mole between.
Preferably, the mass ratio of the chinlon 6 section of the chinlon 6 section of common viscosity and high viscosity, high amino end group is 1/1-1/9.
Preferably, extruder each district temperature is 250-280 degree.
Preferably, spinning temperature is 265-275 degree.
Preferably, tow cooling adopts the side air-out type of cooling, wind-warm syndrome 21-24 degree, blast 500-600 Pascal, wind speed 0.25-0.45 meter per second.
Preferably, oiling method is that oiling roller oils.
The present invention also provides a kind of engrain fine-denier polyamide fiber high strength yarn, is obtained by above-mentioned preparation method, and the Denier range of described engrain fine-denier polyamide fiber high strength yarn is 7-20dtex, fracture strength is greater than 6.0Cn/dtex, elongation at break is 35-45%.
Beneficial effect: engrain fine-denier polyamide fiber high strength yarn of the present invention not only has engrain function, the more important thing is to possess the superiority that more dyes:
One is significantly reduce costs, and dyeing time shortens half, and dye dosage reduces 15%;
Two is be conducive to environmental protection, and waste water compared with normal reduces 40%;
Three is that fracture strength is greater than 6.0Cn/dtex, has higher intensity and feel is more soft compared with the common long filament of same specification;
Four is that cost performance is high, and added value is high, and market development prospect is good;
Five is that engrain silk and common silk intertexture use, and gives fabric more pattern effect.
Detailed description of the invention
Be described principle of the present invention and feature below, example, only for explaining the present invention, is not intended to limit scope of the present invention.
A preparation method for engrain fine-denier polyamide fiber high strength yarn, concrete steps are as follows:
1), the chinlon 6 section of common viscosity and the chinlon 6 section of high viscosity, high amino end group are that 1/1-1/9 mixes fully according to mass ratio, wherein common viscosity chinlon 6 section for section relative viscosity between 2.40-2.45, amino end group amount 40-45 milliequivalent/mole between; The chinlon 6 section of high viscosity, high amino end group for section relative viscosity is between 2.70-3.0, amino end group amount 75-85 milliequivalent/mole between;
2), by above-mentioned mixed chinlon 6 section through extruder heating and melting, extrude, extruder each district temperature is 250-280 degree, and the use of this kind of hybrid slicing can make extruder temperature exceed conventional 5-10 degree, thus obtains high-quality product;
3), melt is quantitative through high-precision measuring pump, and press-in filament spinning component, sprays through spinnerets, tow is formed in spinning manifold, spinning temperature is between 265-275 degree, and the use of this kind of hybrid slicing can make spinning temperature exceed conventional 5-10 degree, thus obtains high-quality product;
4), tow cools through the side air-out type of cooling, oiling roller oils, pre-interlacing, wherein tow cooling wind-warm syndrome 21-24 degree, blast 500-600 Pascal, wind speed 0.25-0.45 meter per second;
5) tow, after pre-interlacing carries out drawing and heat-setting;
6), last package, namely obtain engrain fine-denier polyamide fiber high strength yarn.
The mixed proportion of the chinlon 6 section of the chinlon 6 section of common viscosity and high viscosity, high amino end group, can need according to client the high amino section of high viscosity of adding different proportion, produce the engrain polyamide fibre of coloured differently degree.Such as high viscosity, high amino end group coupon weight percentage account for 20%, and the chinlon 6 section percentage by weight of common viscosity accounts for 80%, the amino end group amount of this hybrid slicing can reach 50 milliequivalents/mole; Specific embodiment is as follows:
1. section mixing: the high amino end group section of percentage by weight 20% and the common section of percentage by weight 80%, accurately weighs in two component master batch mixer having, carries out accurate measurement and fully mix;
2. mixed chinlon 6 section enter there is heating function screw extruder in carry out heating and melting at a certain temperature, extruder each district temperature is as follows:
One district: 250-255 degree, 2nd district: 255-260 degree, 3rd district: 260-270 degree, 4th district: 260-270 degree; 5th district: 260-270 degree;
3. spinning: melt is extruded through melt pipe from extruder, be more quantitatively pressed into filament spinning component through measuring pump, sprayed by spinnerets, in casing, form tow; Melt pipe and casing top are by the biphenyl steam insulation circulated, and temperature controls between 265-270 DEG C; Spinnerets plate hole can be circular, also can be trilobal, triangle or cross, draw ratio controls between 1.5-2.5;
4. cool: tow is cooled by lateral blowing by casing, and through path, oiling roller oils, arrive first group of godet roller after cooling further, lateral blowing temperature controls at 21-24 DEG C, and humidity is more than 70%.
5. drafting forming: tow is through the drafting forming of first group of godet roller and second group of godet roller, and drafting multiple (ratio of the speed of the second godet roller and the first godet roller) is 1.5-2.5.First group of godet-roller temperature is normal temperature; Second group of godet-roller temperature controls at 150-180 DEG C, then through the 3rd godet roller to package;
6. package: tow arrives high speed winding head by the 3rd godet roller and carries out package, and winding speed controls at 4100-4500 ms/min, and spinline tension controls at 0.15-0.25cN/dtex.
The engrain fine-denier polyamide fiber high strength yarn that preparation method of the present invention obtains is easy to dyeing and saves dyestuff, minimizing sewage discharge, and its Denier range is at 7-20dtex; Fracture strength is greater than 6.0Cn/dtex, and elongation at break is 35-45%.
The present invention can need according to client the fine-denier polyamide fiber high strength yarn producing coloured differently performance, meets the high-end socks product needs of client's different field, simultaneously for downstream client reduces cost of dye, protection of the environment.
The present invention can summarize with other the concrete form without prejudice to spirit of the present invention or principal character.Therefore, no matter from which point, above-mentioned embodiment of the present invention all can only be thought explanation of the present invention and can not limit the present invention, claims indicate scope of the present invention, and scope of the present invention is not pointed out in above-mentioned explanation, therefore, any change in the implication suitable with claims of the present invention and scope, all should think to be included in the scope of claims.
Claims (7)
1. a preparation method for engrain fine-denier polyamide fiber high strength yarn, step is as follows:
1), by chinlon 6 section through extruder heating and melting, extrude;
2), by step 1) in the melt that obtains quantitative through high-precision measuring pump, press-in filament spinning component, through spinnerets ejection, forms tow in spinning manifold;
3), by step 2) in the tow that obtains carry out cooling, oil, pre-interlacing;
4), by step 3) in tow after pre-interlacing carry out drawing and heat-setting;
5), last package, namely obtain engrain fine-denier polyamide fiber high strength yarn;
It is characterized in that, described chinlon 6 section to be mixed with the chinlon 6 section of high viscosity, high amino end group by the chinlon 6 section of common viscosity and forms;
The chinlon 6 section of described common viscosity for section relative viscosity is between 2.40-2.45, amino end group amount 40-45 milliequivalent/mole between; The chinlon 6 section of high viscosity, high amino end group for section relative viscosity is between 2.70-3.0, amino end group amount 75-85 milliequivalent/mole between.
2. the preparation method of engrain fine-denier polyamide fiber high strength yarn according to claim 1, is characterized in that, the mass ratio of the chinlon 6 section of the chinlon 6 section of described common viscosity and high viscosity, high amino end group is 1/1-1/9.
3. the preparation method of engrain fine-denier polyamide fiber high strength yarn according to claim 1 and 2, is characterized in that, described extruder each district temperature is 250-280 degree.
4. the preparation method of engrain fine-denier polyamide fiber high strength yarn according to claim 1 and 2, is characterized in that, in described spinning manifold, spinning temperature is 265-275 degree.
5. the preparation method of engrain fine-denier polyamide fiber high strength yarn according to claim 1 and 2, is characterized in that, described tow cooling adopts the side air-out type of cooling, wind-warm syndrome 21-24 degree, blast 500-600 Pascal, wind speed 0.25-0.45 meter per second.
6. the preparation method of engrain fine-denier polyamide fiber high strength yarn according to claim 1 and 2, is characterized in that, described oiling method is that oiling roller oils.
7. an engrain fine-denier polyamide fiber high strength yarn, is characterized in that, is obtained by the preparation method described in claim 1 or 2, and the Denier range of described engrain fine-denier polyamide fiber high strength yarn is 7-20dtex, fracture strength is greater than 6.0Cn/dtex, elongation at break is 35-45%.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435789A (en) * | 2016-08-31 | 2017-02-22 | 浙江益南纤维科技有限公司 | Trilobal profiled super fine denier chinlon elastic fiber and manufacturing technique thereof |
| CN107012521A (en) * | 2017-04-26 | 2017-08-04 | 烟台华润锦纶有限公司 | A kind of fine-denier polyamide fiber high strength yarn and preparation method thereof |
| CN108411450A (en) * | 2016-05-23 | 2018-08-17 | 向兴(中国)集团有限公司 | A kind of gradually changed into rainbow cloth of beauty |
| CN110791979A (en) * | 2019-12-05 | 2020-02-14 | 东华大学 | Dyeing method for improving dyeing performance of high-strength nylon 6 fabric |
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| CN101476169A (en) * | 2009-02-06 | 2009-07-08 | 烟台华润锦纶有限公司 | Method for producing high strength fine-denier polyamide fiber 6 fully drawn yarn |
| CN101634053A (en) * | 2009-08-25 | 2010-01-27 | 烟台华润锦纶有限公司 | Method for producing full drafting silk of fine denier chinlon 66 |
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2014
- 2014-12-01 CN CN201410720131.7A patent/CN104532397B/en active Active
Patent Citations (2)
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| CN101476169A (en) * | 2009-02-06 | 2009-07-08 | 烟台华润锦纶有限公司 | Method for producing high strength fine-denier polyamide fiber 6 fully drawn yarn |
| CN101634053A (en) * | 2009-08-25 | 2010-01-27 | 烟台华润锦纶有限公司 | Method for producing full drafting silk of fine denier chinlon 66 |
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| 牟永强 等: "影响锦纶6拉伸变形丝染色性能的主要因素", 《合成纤维》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411450A (en) * | 2016-05-23 | 2018-08-17 | 向兴(中国)集团有限公司 | A kind of gradually changed into rainbow cloth of beauty |
| CN106435789A (en) * | 2016-08-31 | 2017-02-22 | 浙江益南纤维科技有限公司 | Trilobal profiled super fine denier chinlon elastic fiber and manufacturing technique thereof |
| CN106435789B (en) * | 2016-08-31 | 2019-02-05 | 浙江益南纤维科技有限公司 | Three leaf Profiled superfine denier nylon elastic fibers of one kind and its production technology |
| CN107012521A (en) * | 2017-04-26 | 2017-08-04 | 烟台华润锦纶有限公司 | A kind of fine-denier polyamide fiber high strength yarn and preparation method thereof |
| CN110791979A (en) * | 2019-12-05 | 2020-02-14 | 东华大学 | Dyeing method for improving dyeing performance of high-strength nylon 6 fabric |
| CN110791979B (en) * | 2019-12-05 | 2022-08-12 | 东华大学 | Dyeing method for improving dyeing performance of high-strength nylon 6 fabric |
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| CN104532397B (en) | 2016-08-24 |
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Inventor after: Wang Deguang Inventor after: Song Tao Inventor after: Li Shengqiang Inventor after: Zhang Ping Inventor after: Zhu Lin Inventor after: Zhang Yuexiang Inventor before: Wang Deguang Inventor before: Song Tao Inventor before: Zhang Yuexiang |
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