CN112680843A - Production process of composite moisture-absorbing quick-drying polyester low-stretch yarn - Google Patents
Production process of composite moisture-absorbing quick-drying polyester low-stretch yarn Download PDFInfo
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- CN112680843A CN112680843A CN202011370355.1A CN202011370355A CN112680843A CN 112680843 A CN112680843 A CN 112680843A CN 202011370355 A CN202011370355 A CN 202011370355A CN 112680843 A CN112680843 A CN 112680843A
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Abstract
The invention discloses a production process of composite moisture-absorbing quick-drying polyester low stretch yarn, which comprises the following steps: firstly, respectively drying cationic polyester chips and hydrophilic polyester chips, then carrying out high-temperature melting on the cationic polyester chips and the hydrophilic polyester chips through a screw extruder, simultaneously conveying the chips into a spinning box, mixing and spinning the chips according to a proportion through a blending spinning assembly to obtain sea-island polyester tows, meanwhile, drying the semi-dull polyester chips, conveying the chips into the screw extruder for high-temperature melting after drying, filtering impurities, conveying the chips into the spinning box, spinning through a special-shaped hole spinneret plate, carrying out circular blowing air cooling forming, and oiling to obtain special-shaped polyester tows; finally, after the sea-island type polyester tows and the special-shaped polyester tows are respectively subjected to drafting, false twisting and deformation, the sea-island type polyester tows and the special-shaped polyester tows are fed into a zero roller again to enter a network nozzle device for network stranding, and then are wound and formed through three rollers. Through the mode, the low-elasticity silk with the microporous structure can be formed, and moisture can be quickly diffused to the surface of a finished product structure, and meanwhile, the low-elasticity silk has a good air guiding and warming function.
Description
Technical Field
The invention relates to the field of textile products, in particular to a production process of composite moisture-absorbing quick-drying polyester low-stretch yarns.
Background
With the development of the times, the specialized degree of the textile on the market is higher and higher, for some people who often do outdoor exercises or work, the clothes to be worn need to have good moisture absorption and air permeability, and the clothes need to be designed from the fabric structure and raw material stage, and the low stretch yarn used in the current common moisture absorption and air permeability fabric during spinning is high in price or unsatisfactory in performance, and especially poor in quick-drying effect.
Disclosure of Invention
The invention mainly solves the technical problem of providing a production process of composite moisture-absorbing quick-drying polyester low-stretch yarns, which can improve the moisture-absorbing and quick-drying performances of the low-stretch yarns.
In order to solve the technical problems, the invention adopts a technical scheme that: the production process of the composite moisture absorption quick-drying polyester low-stretch yarn comprises the following steps:
step 1, drying cationic polyester chips, feeding the chips into a screw extruder for high-temperature melting, and filtering impurities to form a cationic polyester polymer;
step 2, drying the hydrophilic polyester chips, and then feeding the chips into a screw extruder for high-temperature melting to form a hydrophilic polyester polymer;
step 3, simultaneously conveying the two polymers obtained in the step 1 and the step 2 into a spinning box according to process requirements, mixing and spinning the two polymers according to a proportion by a blending spinning assembly, then performing cross air blowing cold setting, and oiling to obtain sea-island polyester tows, wherein the hydrophilic polyester polymer forms a sea phase of a tow cross section, and the cationic polyester polymer forms an island phase of the tow cross section;
step 4, drying the semi-dull polyester chips, feeding the semi-dull polyester chips into a screw extruder for high-temperature melting, filtering impurities, conveying the semi-dull polyester chips into a spinning box, spinning the semi-dull polyester chips through a special-shaped hole spinneret plate, performing circular blowing air cooling forming, and oiling to obtain special-shaped polyester tows;
and 5, respectively subjecting the sea-island polyester tows obtained in the step 3 and the special-shaped polyester tows obtained in the step 4 to drafting, false twisting and deformation, feeding the yarns into a zero roller again to enter a network nozzle device for network stranding, and finally, winding and forming the yarns after passing through three rollers.
In a preferred embodiment of the present invention, the mixing ratio of the hydrophilic polyester polymer and the cationic polyester polymer in the step 3 is 3-5: 5-7.
In a preferred embodiment of the present invention, the profiled polyester tows in the step 4 are cross-shaped tows.
In a preferred embodiment of the present invention, the draft ratio in the step 5 is 1.6 to 1.8.
In a preferred embodiment of the invention, the sea-island type polyester filament bundle is 80 to 150dtex/24F in the step 5 of stranding.
In a preferred embodiment of the invention, the size of the profiled polyester filament bundles during the plying in the step 5 is 30-60 dtex/12F.
The invention has the beneficial effects that: according to the invention, by adjusting the production process of the composite polyester low stretch yarn, firstly, the hydrophilic polyester chips and the cationic polyester chips which are convenient to dye are made into the sea-island type tows which are easy to absorb moisture through conjugate spinning, then the cross special-shaped tows and the sea-island type tows are mixed in a stranding mode, and finally the prepared low stretch yarn has a large number of microporous structures, so that moisture can be quickly diffused to the surface of a finished product structure in actual use to realize the moisture absorption and quick drying effects and simultaneously has good air guiding and warm keeping effects.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.
The embodiment of the invention comprises the following steps:
example 1
A production process of composite moisture absorption quick-drying polyester low-stretch yarns comprises the following steps:
step 1, drying cationic polyester chips, feeding the chips into a screw extruder for high-temperature melting, and filtering impurities to form a cationic polyester polymer;
step 2, drying the hydrophilic polyester chips, and then feeding the chips into a screw extruder for high-temperature melting to form a hydrophilic polyester polymer;
step 3, simultaneously conveying the two polymers obtained in the step 1 and the step 2 into a spinning box according to process requirements, adjusting the mixing ratio of the hydrophilic polyester polymer to the cationic polyester polymer to be 5:5 by a blending spinning assembly, performing side-blowing cold setting after mixed spinning, and oiling to obtain sea-island polyester tows, wherein the hydrophilic polyester polymer forms a sea phase of the cross section of the tows, and the cationic polyester polymer forms an island phase of the cross section of the tows;
step 4, drying the semi-dull polyester chips, feeding the semi-dull polyester chips into a screw extruder for high-temperature melting, filtering impurities, conveying the semi-dull polyester chips into a spinning box, spinning through a cross spinneret plate, performing circular blowing air cooling forming, and oiling to obtain cross-shaped polyester tows with cross sections;
and 5, respectively drafting the sea-island polyester tows obtained in the step 3 and the special-shaped polyester tows obtained in the step 4 according to a draft ratio of 1.6-1.8, then performing false twist deformation, feeding the yarns into a zero roller again to enter a network nozzle device for network stranding, and finally winding and forming the yarns through three rollers. The specification of the sea-island type polyester filament bundle is 80dtex/24F during plying, and the specification of the special-shaped polyester filament bundle is 30 dtex/12F.
Example 2
A production process of composite moisture absorption quick-drying polyester low-stretch yarns comprises the following steps:
step 1, drying cationic polyester chips, feeding the chips into a screw extruder for high-temperature melting, and filtering impurities to form a cationic polyester polymer;
step 2, drying the hydrophilic polyester chips, and then feeding the chips into a screw extruder for high-temperature melting to form a hydrophilic polyester polymer;
step 3, simultaneously conveying the two polymers obtained in the step 1 and the step 2 into a spinning box according to process requirements, adjusting the mixing ratio of the hydrophilic polyester polymer to the cationic polyester polymer to be 4:6 through a blending spinning assembly, performing side-blowing cold setting after mixed spinning, and oiling to obtain sea-island polyester tows, wherein the hydrophilic polyester polymer forms a sea phase of the cross section of the tows, and the cationic polyester polymer forms an island phase of the cross section of the tows;
step 4, drying the semi-dull polyester chips, feeding the semi-dull polyester chips into a screw extruder for high-temperature melting, filtering impurities, conveying the semi-dull polyester chips into a spinning box, spinning through a cross spinneret plate, performing circular blowing air cooling forming, and oiling to obtain cross-shaped polyester tows with cross sections;
and 5, respectively drafting the sea-island polyester tows obtained in the step 3 and the special-shaped polyester tows obtained in the step 4 according to a draft ratio of 1.6-1.8, then performing false twist deformation, feeding the yarns into a zero roller again to enter a network nozzle device for network stranding, and finally winding and forming the yarns through three rollers. The specification of the sea-island type polyester filament bundle is 150dtex/24F during plying, and the specification of the special-shaped polyester filament bundle is 60 dtex/12F.
Example 3
A production process of composite moisture absorption quick-drying polyester low-stretch yarns comprises the following steps:
step 1, drying cationic polyester chips, feeding the chips into a screw extruder for high-temperature melting, and filtering impurities to form a cationic polyester polymer;
step 2, drying the hydrophilic polyester chips, and then feeding the chips into a screw extruder for high-temperature melting to form a hydrophilic polyester polymer;
step 3, simultaneously conveying the two polymers obtained in the step 1 and the step 2 into a spinning box according to process requirements, adjusting the mixing ratio of the hydrophilic polyester polymer to the cationic polyester polymer to be 3: 7 through a blending spinning assembly, performing side-blowing cold setting after mixed spinning, and oiling to obtain sea-island polyester tows, wherein the hydrophilic polyester polymer forms a sea phase of the cross section of the tows, and the cationic polyester polymer forms an island phase of the cross section of the tows;
step 4, drying the semi-dull polyester chips, feeding the semi-dull polyester chips into a screw extruder for high-temperature melting, filtering impurities, conveying the semi-dull polyester chips into a spinning box, spinning through a cross spinneret plate, performing circular blowing air cooling forming, and oiling to obtain cross-shaped polyester tows with cross sections;
and 5, respectively drafting the sea-island polyester tows obtained in the step 3 and the special-shaped polyester tows obtained in the step 4 according to a draft ratio of 1.6-1.8, then performing false twist deformation, feeding the yarns into a zero roller again to enter a network nozzle device for network stranding, and finally winding and forming the yarns through three rollers. The specification of the sea-island type polyester filament bundle is 120dtex/24F during plying, and the specification of the special-shaped polyester filament bundle is 40 dtex/24F.
The cross heterotypic dacron silk bundle can strut a plurality of microporous structures in the low stretch yarn through the compound low stretch yarn of above-mentioned embodiment 1~3 preparation, can utilize the characteristic of hydrophilicity polyester to suck away the moisture fast when improving the heat preservation performance of the product that uses this product to spin to distribute to the outside air through microporous structure, realize the rapid-curing cutback effect.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The production process of the composite moisture absorption quick-drying polyester low-stretch yarn is characterized by comprising the following steps of:
step 1, drying cationic polyester chips, feeding the chips into a screw extruder for high-temperature melting, and filtering impurities to form a cationic polyester polymer;
step 2, drying the hydrophilic polyester chips, and then feeding the chips into a screw extruder for high-temperature melting to form a hydrophilic polyester polymer;
step 3, simultaneously conveying the two polymers obtained in the step 1 and the step 2 into a spinning box according to process requirements, mixing and spinning the two polymers according to a proportion by a blending spinning assembly, then performing cross air blowing cold setting, and oiling to obtain sea-island polyester tows, wherein the hydrophilic polyester polymer forms a sea phase of a tow cross section, and the cationic polyester polymer forms an island phase of the tow cross section;
step 4, drying the semi-dull polyester chips, feeding the semi-dull polyester chips into a screw extruder for high-temperature melting, filtering impurities, conveying the semi-dull polyester chips into a spinning box, spinning the semi-dull polyester chips through a special-shaped hole spinneret plate, performing circular blowing air cooling forming, and oiling to obtain special-shaped polyester tows;
and 5, respectively subjecting the sea-island polyester tows obtained in the step 3 and the special-shaped polyester tows obtained in the step 4 to drafting, false twisting and deformation, feeding the yarns into a zero roller again to enter a network nozzle device for network stranding, and finally, winding and forming the yarns after passing through three rollers.
2. The composite moisture-absorbing quick-drying low-stretch yarn as claimed in claim 1, wherein the mixing ratio of the hydrophilic polyester polymer to the cationic polyester polymer in step 3 is 3-5: 5-7.
3. The composite moisture-absorbing quick-drying low-stretch yarn as claimed in claim 1, wherein the profiled polyester filament bundle in step 4 is a cross-shaped filament bundle.
4. The production process of the composite moisture-absorbing quick-drying low stretch yarn according to claim 1, wherein the draft ratio during the drafting in the step 5 is 1.6-1.8.
5. The production process of the composite moisture-absorbing quick-drying low-stretch yarn as claimed in claim 1, wherein the sea-island polyester filament bundle is 80-150 dtex/24F in the step 5.
6. The production process of the composite moisture-absorbing quick-drying low-stretch yarn as claimed in claim 1, wherein the specification of the profiled polyester filament bundle during the plying in the step 5 is 30-60 dtex/12F.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934323A (en) * | 2022-05-19 | 2022-08-23 | 浙江裕源纺织有限公司 | Moisture-absorbing and sweat-releasing POY preparation process |
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| CN1587467A (en) * | 2004-10-08 | 2005-03-02 | 厦门翔鹭化纤股份有限公司 | Process for producing wool-like polyester composite filament yarn |
| CN101982572A (en) * | 2010-11-22 | 2011-03-02 | 上海贵达科技有限公司 | Moisture absorption and perspiration fiber with hydrophilic function |
| CN102787379A (en) * | 2012-08-27 | 2012-11-21 | 张家港锦亿化纤有限公司 | Preparation method of color-concentrated type composite polyester drawn textured yarn |
| CN105755613A (en) * | 2015-12-07 | 2016-07-13 | 厦门翔鹭化纤股份有限公司 | Cationic dacron composite sea-island fibers and preparation method of cationic dacron composite sea-island fibers |
| CN107513786A (en) * | 2016-06-16 | 2017-12-26 | 苏州力佳新型材料有限公司 | A kind of high convergency type sea island filament and its preparation technology |
| CN110923835A (en) * | 2019-12-23 | 2020-03-27 | 苏州萧然新材料有限公司 | Preparation process of moisture-absorbing and sweat-releasing terylene low-elasticity composite yarn |
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2020
- 2020-11-30 CN CN202011370355.1A patent/CN112680843A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587467A (en) * | 2004-10-08 | 2005-03-02 | 厦门翔鹭化纤股份有限公司 | Process for producing wool-like polyester composite filament yarn |
| CN101982572A (en) * | 2010-11-22 | 2011-03-02 | 上海贵达科技有限公司 | Moisture absorption and perspiration fiber with hydrophilic function |
| CN102787379A (en) * | 2012-08-27 | 2012-11-21 | 张家港锦亿化纤有限公司 | Preparation method of color-concentrated type composite polyester drawn textured yarn |
| CN105755613A (en) * | 2015-12-07 | 2016-07-13 | 厦门翔鹭化纤股份有限公司 | Cationic dacron composite sea-island fibers and preparation method of cationic dacron composite sea-island fibers |
| CN107513786A (en) * | 2016-06-16 | 2017-12-26 | 苏州力佳新型材料有限公司 | A kind of high convergency type sea island filament and its preparation technology |
| CN110923835A (en) * | 2019-12-23 | 2020-03-27 | 苏州萧然新材料有限公司 | Preparation process of moisture-absorbing and sweat-releasing terylene low-elasticity composite yarn |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114934323A (en) * | 2022-05-19 | 2022-08-23 | 浙江裕源纺织有限公司 | Moisture-absorbing and sweat-releasing POY preparation process |
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