CN101748502B - FDY (fully drawn yarn) terylene slub filament yarn and preparation method - Google Patents
FDY (fully drawn yarn) terylene slub filament yarn and preparation method Download PDFInfo
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- CN101748502B CN101748502B CN2009102633347A CN200910263334A CN101748502B CN 101748502 B CN101748502 B CN 101748502B CN 2009102633347 A CN2009102633347 A CN 2009102633347A CN 200910263334 A CN200910263334 A CN 200910263334A CN 101748502 B CN101748502 B CN 101748502B
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Abstract
The invention is an improvement on FDY (fully drawn yarn) filament yarn for home textile fabric, which is characterized in that the filament yarn is snowflake-shaped fully-drawn yarn with the elongation of 80+/-50 percent, the intensity of 2.4-3.5CN/dt, the network degree of 15+/-5piece/m, and the boiling water shrinkage of 32+/-6 percent. In an adopted FDY technology, the drawing speed is 2800-3200m/min, the drawing pre-network stress is 0.22MPa, the drawing multiple is 1.9-2.2, the hot rolling speed GR1/GR2 are respectively 1400-1600m/min and 28003200m/min, and the hot rolling temperature GR1/GR2 are respectively 65-75 DEG C and 108-118 DEG C. The obtained filament yarn has no elasticity, good luster, bright color, obvious slub thickness, obvious irregular snowflake-shaped slub, and the oculus effect of snowflake. The surface of the cloth woven by the yarn has high stereoscopic impression, the fabric has bright color and good luster, the process is simple and only comprises one step, the spinning process flow is short, and the production cost is low and is only 70 percent of a two-step method.
Description
Technical field
The present invention is to the improvement with the FDY polyester filament of tame textile fabric, relates in particular to that a kind of to have the ring effect obvious, is the FDY terylene slub long filament and the preparation method of " flakes " ring.
Background technology
The functional textile kind is constantly come out, tame textile fabrics such as sofa cloth, Curtains Fabrics, bunting for example, and this kind fabric requires dyeability good with long filament, lovely luster, good luster, vertical sense and has characteristic feature well.
The polyester FDY spinning technique, adopting half delustring or the light terylene chips is arranged is raw material, by circular hole spinnerets ejection long filament, evenly stretch through drawing roller and setting roll differential, the drawing roller temperature is generally 90-95 ℃ again, roller speed 1800-2300 rice/minute, the setting roll temperature is generally 130-145 ℃, roller speed 4500-4900 rice/minute, silk coherent, coiling and molding increased by master network again.For guaranteeing to realize even stretching, the more number of turns of reeling on drawing roller usually is 7 circles for example, to prevent the generation uneven pulling of skidding.The long filament that this technology obtains can not obtain to have for example ring long filament of special effect for the nonelastic silk of evenly full drawing-off.In addition, existing FDY technology, because spinning speed and draw ratio height, lousiness is relative more with broken end.
The disclosed a kind of sparkling bamboo joint terylene fibre of Chinese patent CN101328620., obtain triangle pre-oriented yarn (POY) by the triangle spinnerets, behind POY, adopt little draw ratio of 1.4-1.46 and higher relatively setting temperature, the DTY slub yarn that obtains having the flash of light characteristics in the process.This kind adopts the sparkling bamboo joint silk of POY technology to the preparation of DTY technology two-step method, because of follow-up DTY technology gained is the rubber-like elastic filament, can cause the glossiness variation, and therefore variation has taken place the style of silk, causes the ring effect obvious inadequately; Secondly, two step method production, complex process cost height.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned prior art, provides a kind of full drawing-off nonelastic, good luster, and lovely luster is the FDY terylene slub long filament of " flakes ".
Another object of the present invention is to provide a kind of preparation method who obtains above-mentioned FDY terylene slub long filament.
The present invention's first purpose realizes that main the improvement is by the improvement technological measure, forms uneven pulling, the FDY terylene slub long filament that obtains having above-mentioned effect, thus realize the object of the invention.Specifically, FDY terylene slub long filament of the present invention, the cross section is three leaf abnormal shapes, it is characterized in that said long filament is " flakes " full-drawn yarn (nonelastic silk), degree of stretching 80 ± 50%, intensity 2.4-3.5CN/dt, 15 ± 5/meter of network degree, boiling water shrinkage 32 ± 6%.
The present invention's second purpose realizes, the main FDY of improvement technology produces the ring with obvious thickness by uneven pulling technology, specifically, FDY terylene slub filament preparation process of the present invention, comprise that terylene chips is through the special-shaped spinnerets spray of three leaves silk, drawing and setting, it is characterized in that draw speed 2800-3200m/min, pre-network pressure 0.22Mpa stretches, draw ratio 1.9～2.2, hot-rolling speed GR1/GR2 is respectively 1400～1600m/min and 2800-3200m/min, and heat roller temperature GR1/GR2 is respectively 65～75 ℃ and 108-118 ℃.
Among the present invention
Adopt the special-shaped spinnerets spinning of three leaves, same prior art mainly is by making a cross section become three leaf abnormal shapes, increase the brightness and the dyeability of silk, making fabric color bright-coloured;
Draw speed 2800-3200m/min middling speed is spun (MOY), by reducing draw speed (reducing to 2800-3200m/min) by 4500 original～5000m/min, reduced macromolecular orientation and degree of crystallinity, improved the suction look performance of fiber, thereby improved dyeability;
The pre-network pressure that will stretch is brought up to 0.22Mpa by original 0.08Mpa, makes that tow network degree is improved when stretching, and is uneven pulling create conditions (with normal evenly drawing process is opposite);
Reduce draw ratio,, be reduced to 1.9～2.2, produce uneven pulling, thereby make elongate fiber be greatly enhanced, both improved dyeability, greatly reduce lousiness and broken end again by common 2.5～3.0.
Reduce drawing roller (GR1) temperature, draft temperature is set near the critical point of terylene vitrification point, drawing roller (GR1) temperature is controlled at 65-75 ℃ (about 69 ℃ of terylene vitrification point), also for realizing that uneven pulling creates conditions.If temperature is too high as 〉=75 ℃ then easily form evenly and stretch, be unfavorable for forming ring; If temperature is crossed low as≤65 ℃, easily cause an embrittlement, can not draw and stretch.The normal evenly draft temperature of terylene is far above vitrification point (90-95 ℃).Also reduce setting roll (GR2) temperature simultaneously, conventional (130-145 ℃) hangs down 20-25 ℃, be 108-118 ℃, help improving the fiber boiling water shrinkage, more help producing when follow-up arrangement is finalized the design to shrink increasing slightly, cause the irregular ring of thickness more obvious " flakes ", the fabric concave-convex sense is stronger.
In addition, be further to improve the glossiness of slub yarn, a kind ofly more preferably adopt the super light section that has, can be enhanced to the gloss behind the silk, improve the brightness after the dyeing.
Be the better uneven pulling that realizes, the present invention is a kind of to be preferably when stretching long filament coiling number of turns on drawing roller and to reduce to 2 circles by 7 original circles, and the better uneven pulling that produces makes it to skid easily between drawing roller and setting roll; For not changing follow up device, and the number of turns of guaranteeing to reel descends and reaches two circles, and a kind of being preferably will divide a silk thread guide move to closely end of drawing roller on the up-coiler, guarantees that drawing roller wire vent and setting roll are reeled to go up the former contraposition of silk maintenance.
FDY terylene slub long filament of the present invention, adopt the flash of light DTY slub yarn of POY-DTY two step method preparation with respect to prior art, and adopt improved FDY one-step technology, the gained long filament is nonelastic, good luster, lovely luster, the ring thickness is obvious, be obviously " flakes " irregular ring, have " flakes " bright effect.Strong with this face third dimension of weaving cotton cloth, fabric color is bright-coloured, good luster, and technology is simple, only needs a step, and the spinning technique flow process is short, and production cost is low, has only about 70% of two step method.The long filament ring is " flakes ", is product one big characteristic of the present invention.
Below in conjunction with a specific embodiment; the present invention is further understood in exemplary illustration and help; but the embodiment detail only is for the present invention is described; do not represent the present invention to conceive whole technical schemes down; therefore should not be construed as the technical scheme qualification total to the present invention, some are In the view of the technical staff, and the unsubstantiality that does not depart from the present invention's design increases and/or change; for example simple the change or replacement of technical characterictic to have same or similar technique effect all belongs to protection domain of the present invention.
Description of drawings
Accompanying drawing is the design sketch after FDY terylene slub long filament of the present invention is weaved cotton cloth.
The specific embodiment
Embodiment: it is 167dt/37F " flakes " ring polyester filament that once step stretching legal system of the present invention is equipped with specification.The light terylene chips is arranged is raw material with super, adopts three leaf profile spinnerets spray silk, carries out spinning at the FDY spinning equipment, spinning speed 3150m/min, draw roll speed 1440m/min, 70 ℃ of draw roll temperature, wrapping wire 2 circles on draw roll, wrapping wire 6 circles (with former identical) on the setting roll, setting roll speed 2980m/min, 112 ℃ of setting roll temperature, 2.1 times of draw ratios, pre-network pressure 0.22MPa, cooling wind speed 0.62m/s, 24 ℃ of wind-warm syndrome.Master network pressure 0.3MPa, the heavy 7kg/ of tube only.
To those skilled in the art; under this patent design and specific embodiment enlightenment; some distortion that can directly derive or associate from this patent disclosure and general knowledge; those of ordinary skills will recognize also can adopt additive method; or the substituting of known technology commonly used in the prior art; and the mutual various combination between feature; for example the fluctuation of technological parameter in specification provides scope changes; adopt that common the light terylene chips is arranged is raw material (suitably reducing gloss); or the like unsubstantiality change; can be employed equally; can both realize and basic identical function of the foregoing description and effect; launch for example no longer one by one to describe in detail, all belong to this patent protection domain.
Table 1 ring long filament of the present invention and conventional FDY polyester filament physical index contrast table
| Intensity (CN/dt) | Degree of stretching (%) | Boiling water shrinkage (%) | |
| Ring long filament of the present invention | ≥2.4≤3.5 | 85±50 | 32±6 |
| Conventional FDY long filament | ≥3.7 | 28±3 | 8.0±1.0 |
Table 2 technology of the present invention and conventional FDY polyester filament main technique contrast table
| Handicraft product | Spinning speed (m/min) | Pre-network pressure (Mpa) | Hot-rolling speed (m/min) GR1/GR2 | Heat roller temperature ℃ GR1/GR2 | Draw ratio |
| Ring long filament of the present invention | 2800-3200 | 0.22 | 1400～1600/ 2800-3200 | 65～75/ 108-118 | 1.9～2.2 |
| Conventional FDY long filament | 4500～5000 | 0.08 | 1700～2000/ 4500-5000 | 90～95/ 130-145 | 2.5～3.0 |
Claims (3)
1.FDY terylene slub long filament, the cross section is three leaf abnormal shapes, it is characterized in that said long filament is " flakes " full-drawn yarn, degree of stretching 80 ± 50%, intensity 2.4-3.5CN/dt, 15 ± 5/meter of network degree, boiling water shrinkage 32 ± 6%, its preparation method comprises that terylene chips is through the special-shaped spinnerets spray of three leaves silk, drawing and setting, draw speed 2800-3200m/min, pre-network pressure 0.22Mpa stretches, draw ratio 1.9～2.2, hot-rolling speed GR1/GR2 is respectively 1400～1600m/min and 2800-3200m/min, and heat roller temperature GR1/GR2 is respectively 65～75 ℃ and 108-118 ℃.
2. according to the described FDY terylene slub of claim 1 long filament, it is characterized in that used terylene chips has light to cut into slices for super.
3. according to claim 1 or 2 described FDY terylene slub long filaments, long filament coiling number of turns on drawing roller is two circles when it is characterized in that stretching.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102633347A CN101748502B (en) | 2009-12-12 | 2009-12-12 | FDY (fully drawn yarn) terylene slub filament yarn and preparation method |
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| CN2009102633347A CN101748502B (en) | 2009-12-12 | 2009-12-12 | FDY (fully drawn yarn) terylene slub filament yarn and preparation method |
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| CN101748502A CN101748502A (en) | 2010-06-23 |
| CN101748502B true CN101748502B (en) | 2011-06-29 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162144A (en) * | 2011-03-30 | 2011-08-24 | 仪征市中兴涤纶纤维厂 | One-step method of making terylene lustrous slub yarn fiber used in home textile transparent curtain |
| CN102206880B (en) * | 2011-06-16 | 2012-10-03 | 张守运 | Multi-color polyester slub fully drawn yarns (FDYs) produced by heat roller at variable speed and production method thereof |
| CN102828278A (en) * | 2012-09-20 | 2012-12-19 | 苏州大学 | Polyester fully-drawn slub yarn and preparation method thereof |
| CN104451919B (en) * | 2014-11-26 | 2017-09-05 | 中润科技股份有限公司 | A kind of production technology of the orderly terylene slub silk of isotactic |
| CN107190337A (en) * | 2017-05-27 | 2017-09-22 | 桐昆集团浙江恒盛化纤有限公司 | A kind of production method of fancy ring fiber |
| CN111055611B (en) * | 2019-12-31 | 2020-11-10 | 深圳市宏翔新材料发展有限公司 | Preparation method of pen point of marker pen |
| CN112226877A (en) * | 2020-10-09 | 2021-01-15 | 读布科技(杭州)有限公司 | Preparation method of doupion silk three-dimensional fabric |
| CN114318610B (en) * | 2021-12-14 | 2023-04-07 | 苏州盛虹纤维有限公司 | Bunchy yarn and production method thereof |
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| EP1627942A1 (en) * | 2004-08-17 | 2006-02-22 | Nan Ya Plastics Corporation | Superfine polyester fiber containing a dye component and the fabric made therefrom |
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Patent Citations (5)
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| EP1627942A1 (en) * | 2004-08-17 | 2006-02-22 | Nan Ya Plastics Corporation | Superfine polyester fiber containing a dye component and the fabric made therefrom |
| CN1807710A (en) * | 2006-02-15 | 2006-07-26 | 南通文凤化纤有限公司 | Production method for semi-dull denier high-oriented yarn of nylon 6 |
| CN101575745A (en) * | 2008-05-07 | 2009-11-11 | 东丽纤维研究所（中国）有限公司 | Heavy denier polyester fiber and production method thereof |
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