CN104213239B - The expanded monofilament of large-diameter polymer and production method thereof - Google Patents
The expanded monofilament of large-diameter polymer and production method thereof Download PDFInfo
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- CN104213239B CN104213239B CN201410467566.5A CN201410467566A CN104213239B CN 104213239 B CN104213239 B CN 104213239B CN 201410467566 A CN201410467566 A CN 201410467566A CN 104213239 B CN104213239 B CN 104213239B
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- liquid
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- 229920000642 polymer Polymers 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 239000007859 condensation product Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 40
- IHWDIGHWDQPQMQ-UHFFFAOYSA-N 1-octadecylsulfanyloctadecane Chemical compound CCCCCCCCCCCCCCCCCCSCCCCCCCCCCCCCCCCCC IHWDIGHWDQPQMQ-UHFFFAOYSA-N 0.000 claims description 8
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 claims description 7
- 229910000342 sodium bisulfate Inorganic materials 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 238000009998 heat setting Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Abstract
The invention discloses the expanded monofilament of a kind of large-diameter polymer and production method thereof, polymer is the blend of one or more in the linear condensation product of PET, PBT, PTT, PA6, PA66; Individual filament cross section is circle, triangle, rectangle or abnormity, and filament diameter or equivalent diameter are 0.04 ~ 0.3mm, and filament strength is 2-5CN/dtex, and elongation at break is 15 ~ 45%, and crimp percent is 15 ~ 35%.Present invention process is simple, easy to operate, and shaping fiber has the feature such as high-tenacity, excellent crimp percent, and the scope of application is wide.
Description
Technical field
The present invention relates to the expanded monofilament of a kind of large-diameter polymer and production method thereof.
Background technology
Existing monofilament, at aspect of performance existing defects such as intensity, extension at break, xeothermic contractions, affects service behaviour and the scope of application.
Summary of the invention
The object of the present invention is to provide the expanded monofilament of a kind of large-diameter polymer of favorable working performance and production method thereof.
Technical solution of the present invention is:
The expanded monofilament of a kind of large-diameter polymer, is characterized in that: polymer is the blend of one or more in the linear condensation product of PET, PBT, PTT, PA6, PA66; Individual filament cross section is circle, triangle, rectangle or abnormity, and filament diameter or equivalent diameter are 0.04 ~ 0.3mm, and filament strength is 2-5CN/dtex, and elongation at break is 15 ~ 45%, and crimp percent is 15 ~ 35%.
The expanded monofilament of described large-diameter polymer, filament diameter is 0.08 ~ 0.3mm.
A production method for the expanded monofilament of large-diameter polymer, comprises that raw materials melt is extruded, cools, stretched, HEAT SETTING, bulking step, and it is characterized in that: melt temperature when raw materials melt is extruded is 250 ~ 310 DEG C, spinneret draft ratio is 4 ~ 20; Cooling adopts liquid cooling method, is directly entered in liquid feeding tank polymer melt spray from spinneret component, and it is shaping to carry out liquid cools, and the forward and backward Wound-up roller in liquid case carries liquid outlet tank to enter finishing operations; Wherein in liquid case, the temperature of liquid is 15 ~ 70 DEG C; Liquid in liquid case is circulation fluid, and the flow of circulation fluid is 25 ~ 250kg/h, and the liquid in liquid case is the mixed liquor of the sodium hydroxide solution of water, 5% sodium bisulfate or pH10 or 5% sodium bisulfate and Tissuemat E, two octadecyl thioether; Monofilament after liquid cools stretches through one-level, secondary drawing, and the draw ratio that one-level stretches is 4 ~ 6, one-level draft temperature 65 ~ 100 DEG C, and the draw ratio of secondary drawing is 1.1 ~ 1.5, secondary drawing temperature 120 ~ 160 DEG C; Heat setting temperature is 150-250 DEG C; Coiling speed is 80-150m/min.
Liquid in liquid case is the mixed liquor of 5% niter cake and Tissuemat E, two octadecyl thioether, and mass ratio: 5% sodium bisulfate: Tissuemat E: two octadecyl thioether=90:5:5.
In bulking step, adopt pressure to be the compressed air of 0.05-0.3MPa, temperature is 100-250 DEG C, and expanded outspoken footpath is 8-15mm, and expanded mouth length is 10-20cm, and expanded speed is 80-300m/min, and chilling temperature is 20-40 DEG C.
Present invention process is simple, easy to operate, and shaping fiber has the feature such as high-tenacity, excellent crimp percent, and the scope of application is wide.
Below in conjunction with embodiment, the invention will be further described.
Detailed description of the invention
Embodiment 1:
The expanded monofilament of a kind of large-diameter polymer, polymer is the blend of one or more in the linear condensation product of PET, PBT, PTT, PA6, PA66; Individual filament cross section is circle, triangle, rectangle or abnormity, filament diameter or equivalent diameter are 0.04 ~ 0.3mm(example 0.04mm, 0.1mm, 0.3mm), filament strength is 2-5CN/dtex, elongation at break is 15 ~ 45%(example 15%, 30%, 45%), crimp percent is 15 ~ 35%(example 15%, 25%, 35%).
The production method of the expanded monofilament of described large-diameter polymer, comprise that raw materials melt is extruded, cools, stretched, HEAT SETTING, bulking step, melt temperature when raw materials melt is extruded be 250 ~ 310 DEG C (example 250 DEG C, 280 DEG C, 310 DEG C), spinneret draft ratio is 4 ~ 20; Cooling adopts liquid cooling method, is directly entered in liquid feeding tank polymer melt spray from spinneret component, and it is shaping to carry out liquid cools, and the forward and backward Wound-up roller in liquid case carries liquid outlet tank to enter finishing operations; Wherein in liquid case the temperature of liquid be 15 ~ 70 DEG C (example 15 DEG C, 40 DEG C, 70 DEG C); Liquid in liquid case is circulation fluid, and the flow of circulation fluid is 25 ~ 250kg/h, and the liquid in liquid case is the mixed liquor of the sodium hydroxide solution of water, 5% sodium bisulfate or pH10 or 5% sodium bisulfate and Tissuemat E, two octadecyl thioether; Monofilament after liquid cools stretches through one-level, secondary drawing, the draw ratio that one-level stretches is 4 ~ 6, one-level draft temperature 65 ~ 100 DEG C (example 65 DEG C, 80 DEG C, 100 DEG C), the draw ratio of secondary drawing is 1.1 ~ 1.5, secondary drawing temperature 120 ~ 160 DEG C (example 120 DEG C, 150 DEG C, 160 DEG C); Heat setting temperature be 150-250 DEG C (example 150 DEG C, 200 DEG C, 250 DEG C); Coiling speed is 80-150m/min.
In bulking step, pressure is adopted to be the compressed air of 0.05-0.3MPa, temperature be 100-250 DEG C (example 100 DEG C, 180 DEG C, 250 DEG C), expanded outspoken footpath is 8-15mm, expanded mouth length is 10-20cm, expanded speed is 80-300m/min, chilling temperature be 20-40 DEG C (example 20 DEG C, 30 DEG C, 40 DEG C).
Embodiment 2:
Liquid in liquid case is the mixed liquor of 5% niter cake and Tissuemat E, two octadecyl thioether, and mass ratio: 5% sodium bisulfate: Tissuemat E: two octadecyl thioether=90:5:5.The filament strength 4-5CN/dtex obtained, elongation at break is 35 ~ 45%, and crimp percent is 30 ~ 35%.All the other are with embodiment 1.
Claims (2)
1. the production method of the expanded monofilament of large-diameter polymer, comprise that raw materials melt is extruded, cools, stretched, HEAT SETTING, bulking step, it is characterized in that: the expanded monofilament of described large-diameter polymer, polymer is the blend of one or more in the linear condensation product of PET, PBT, PTT, PA6, PA66; Individual filament cross section is circle, triangle, rectangle or abnormity, and filament diameter or equivalent diameter are 0.04 ~ 0.3mm, and filament strength is 2-5cN/dtex, and elongation at break is 15 ~ 45%, and crimp percent is 15 ~ 35%;
Melt temperature when raw materials melt is extruded is 250 ~ 310 DEG C, and spinneret draft ratio is 4 ~ 20; Cooling adopts liquid cooling method, is directly entered in liquid feeding tank polymer melt spray from spinneret component, and it is shaping to carry out liquid cools, and the forward and backward Wound-up roller in liquid case carries liquid outlet tank to enter finishing operations; Wherein in liquid case, the temperature of liquid is 15 ~ 70 DEG C; Liquid in liquid case is circulation fluid, the flow of circulation fluid is 25 ~ 250kg/h, liquid in liquid case is the mixed liquor of 5% niter cake and Tissuemat E, two octadecyl thioether, and mass ratio: 5% sodium bisulfate: Tissuemat E: two octadecyl thioether=90:5:5; Monofilament after liquid cools stretches through one-level, secondary drawing, and the draw ratio that one-level stretches is 4 ~ 6, one-level draft temperature 65 ~ 100 DEG C, and the draw ratio of secondary drawing is 1.1 ~ 1.5, secondary drawing temperature 120 ~ 160 DEG C; Heat setting temperature is 150-250 DEG C; Coiling speed is 80-150m/min.
2. the production method of the expanded monofilament of large-diameter polymer according to claim 1, it is characterized in that: in bulking step, pressure is adopted to be the compressed air of 0.05-0.3MPa, temperature is 100-250 DEG C, expanded outspoken footpath is 8-15mm, expanded mouth length is 10-20cm, and expanded speed is 80-300m/min, and chilling temperature is 20-40 DEG C.
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| CN201410467566.5A CN104213239B (en) | 2014-09-15 | 2014-09-15 | The expanded monofilament of large-diameter polymer and production method thereof |
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| CN104213239B true CN104213239B (en) | 2016-02-10 |
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| CN106498517A (en) * | 2015-09-07 | 2017-03-15 | 中国石化仪征化纤有限责任公司 | A kind of production method of PBT chopped fibers |
| CN105401249A (en) * | 2015-11-24 | 2016-03-16 | 马海燕 | Larger-diameter PBT (polybutylene terephthalate) monofilaments and production method thereof |
| CN105951196A (en) * | 2016-06-29 | 2016-09-21 | 马海燕 | Spiral plastic steel wire and production method thereof |
| CN109112650A (en) * | 2017-06-23 | 2019-01-01 | 江苏天地化纤有限公司 | A kind of Silk heat-treatment processing process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851754A (en) * | 2012-09-29 | 2013-01-02 | 马海燕 | Molding method of liquid cooling polymer monofilament |
| CN103741255A (en) * | 2013-12-27 | 2014-04-23 | 马海燕 | Large-diameter polytrimethylene terephthalate monofilament and production method thereof |
| CN103741253A (en) * | 2013-12-27 | 2014-04-23 | 马海燕 | Large-diameter polymer bent filament and production method thereof |
| CN103741254A (en) * | 2013-12-27 | 2014-04-23 | 马海燕 | Large-diameter biodegradable polylactic acid monofilament and production method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020127939A1 (en) * | 2000-11-06 | 2002-09-12 | Hwo Charles Chiu-Hsiung | Poly (trimethylene terephthalate) based meltblown nonwovens |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851754A (en) * | 2012-09-29 | 2013-01-02 | 马海燕 | Molding method of liquid cooling polymer monofilament |
| CN103741255A (en) * | 2013-12-27 | 2014-04-23 | 马海燕 | Large-diameter polytrimethylene terephthalate monofilament and production method thereof |
| CN103741253A (en) * | 2013-12-27 | 2014-04-23 | 马海燕 | Large-diameter polymer bent filament and production method thereof |
| CN103741254A (en) * | 2013-12-27 | 2014-04-23 | 马海燕 | Large-diameter biodegradable polylactic acid monofilament and production method thereof |
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Effective date of registration: 20160304 Address after: 226000, Gangzha District, Jiangsu City, Gangzha province Nantong port industrial and Trade Park Patentee after: Nantong new silk monofilament Polytron Technologies Inc Address before: 226000, Gangzha District, Jiangsu City, Nantong province Nantong Gangzha industrial and commercial park, the new emperor, single silk Polytron Technologies Inc Patentee before: Ma Haiyan |
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Denomination of invention: Large-diameter polymer bulked monofilament and production method thereof Effective date of registration: 20180409 Granted publication date: 20160210 Pledgee: Nantong Zhonghe Company limited by guarantee Pledgor: Nantong new silk monofilament Polytron Technologies Inc Registration number: 2018980000048 |
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