CN1537983A - Wool imitation elastic fiber manufacturing method and textile made by said fiber - Google Patents
Wool imitation elastic fiber manufacturing method and textile made by said fiber Download PDFInfo
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- CN1537983A CN1537983A CNA031219039A CN03121903A CN1537983A CN 1537983 A CN1537983 A CN 1537983A CN A031219039 A CNA031219039 A CN A031219039A CN 03121903 A CN03121903 A CN 03121903A CN 1537983 A CN1537983 A CN 1537983A
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Abstract
A technology for preparing wool-imitation elastic fibre and the fabric with said fibre are disclosed. Said elastic fibre is composed of the core yarn which is elastic thermoplastic fibre and the sheath yarn which may be the thermoplastic fibre having thermal extension characteristics and containing different contnets of saddening agent as will, or the basic dyeable fibre.
Description
Technical field
The present invention relates to a kind of woolly elastic fiber manufacture method and with the fabric of gained fiber weaving, specifically, the present invention relates to a kind of manufacture method of core sheath structure elastomer and with the fabric of gained fiber weaving.
Background technology
Wool fabric is based on woollen fabrics, and because of characteristics such as its tool moisture absorption, insulation, softness are generally favored, but woolen knitwear has fulling milling problem and not acid and alkali-resistance and insect pest, shortcoming such as be difficult for maintaining, costing an arm and a leg.Therefore, based on polyester fiber, be the exploitation of meeting the tendency through the feel of wool fiber of false twisting processing or air-flow twisting processing, though still there is the problem that can't have elasticity and backwash concurrently in such fibre tool feel of wool characteristic.
In addition, also have with staple fibre to be coated on the peripheral composite yarn of polyurethane elastomeric yarn (spandex), though this type of yarn kind tool elasticity feel of wool, fabrication schedule complexity not only, but also have following shortcoming:
1. not alkaline-resisting (NaOH) decrement treatment.
2. non-refractory dyeing and finishing.
3. processability complexity, the cost height.
4. machine tensions control is difficult for, and influences product quality.
Summary of the invention
Therefore, technical problem to be solved by this invention is, overcome above-mentioned weak point of the prior art, the spinning method for genuine of a kind of decrement treatment easy and simple to handle, with low cost, alkaline-resisting, high temperature resistant dyeing and finishing, the manageable elasticity feel of wool of machine tensions fiber is provided, and a kind of elasticity, snugness of fit or all good fabric of maintenance property are provided.
The inventive method system explores the selection of raw material and the research of process technology meticulously and improves at the shortcoming of above-mentioned various Related products, develops elastic composite feel of wool fibre manufacture with practicality finally and with the fabric of gained fiber weaving.
Above-mentioned technical problem to be solved is achieved with a kind of method that has a fiber of core sheath structure and spring function through twist yarn and heat treatment spinning.The inventive method is characterised in that, in the same hole melt spinning mode side by side of spinning, thermoplastic polymer composite spinning with two kinds of different heat shrinkability characteristics, form the composite fibre of tool spring-like spiral structure, the heating of drawn twisting mill is extended and typing again, wherein elongating temperature is thermoplastic polymer glass transition temperature Tg ± 50 ℃, setting temperature is situated between between thermoplastic polymer crystallization temperature Tc and Tc+100 ℃, the time that typing is extended in heating is 0.01～0.3 second, gained elasticity heart yarn is by being selected from polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate or its polymer-modified analog thermoplastic polymer constitute, the peripheral sheath yarn that coats is made of polyethylene terephthalate analog thermoplastic polymer, perhaps by one or more the fibers in the aforementioned hot thermoplastic polymer of crystallization inhibitor modification through spinning process gained tool thermal stretching characteristic, the mixed fine interlacing of mat air nozzle forms again, and heart yarn and sheath yarn form core sheath structure behind twist yarn.
In the inventive method, heart yarn adopts a kind of thermoplastic elastomer (s), outer perisarc yarn adopts the ordinary hot Plasitc fibers or with the thermoplastic fibre of crystallization inhibitor modification, has the doubling equipment of HEAT SETTING and air interlacing via drawtwister (Draw-twister), draw winder (Draw-winder) or other, be processed into a kind of mixed fiber yarn kind with thermal stretching characteristic, again through twist yarn, HEAT SETTING, warping or beat up, textile finishing processing, because of high-temperature process makes heart yarn because thermal contraction difference generation spring function, the low feel of wool characteristic that produces of sheath yarn poplar formula coefficient.
The inventive method mainly adopts the thermoplastic polymer of two kinds of different heat shrinkability characteristics, through melt composite spinning, with same spin the hole side by side (side by side) spinning mode, coiling speed 1000～4500m/min, spin back heating and extend all measures of typing to produce the elastomeric yarn with the characteristic of crispaturaing be heart yarn, because two kinds of used polymeric shrinkage factor differences, after same spinneret orifice spins, be subjected to thermal-shrinkage differential and make fiber form the helical structure of spring-like, utilize the fabric of this kind fiber weaving to have spring function.
The thermoplastic elastomeric polymer that the inventive method adopts, after heating, the equipment of drawtwister or draw winder or extension of tool heat and typing extends typing in spinning, elongating temperature is controlled to be glass transition temperature Tg ± 50 ℃ of polymer, and setting temperature is polymeric crystallization temperature T
C～(T
C+ 100) ℃.Setting temperature is too low, and the elasticity of crispaturaing is difficult for manifesting; Setting temperature is too high, then shrinks difference and diminishes, and can influence fabric elasticity.
Used thermoplastic elastomeric polymer is not limited to above-mentioned composite elastic fiber in the inventive method, all flexible thermoplastic fibers such as polybutylene terephthalate (PBT), the polytrimethylene terephthalate all applicable heart yarns of doing such as (PTT).
Sheath yarn in the inventive method is an ordinary hot plasticity Polyethyleneglycol Terephthalate, or the plurality of fibers that forms for one or more modifications in mat crystallization inhibitor such as phthalic acid, adipic acid, decanedioic acid, M-phthalic acid and the phthalic acid makes up, its specification and yarn kind can be according to the fabric sheen demands, disappear gorgeous dose or the alkali that add different content in polymerization process can dye (basic dyeable fiber, or claim alkalescence to dye) condensate, produce elasticity feel of wool fabric with various luster or different color.The pre-extension silk that the present invention's sheath yarn is made through 2400～4500m/min high speed spinning, again through extending heat treatment, treatment temperature is crystallization temperature ± 50 ℃, and the processing time is 0.01～0.3 second, handle back sheath yarn and have the characteristic of thermal stretching, its 130 ℃ of boiling water shrinkage＜2%.
The heart yarn of the made elasticity feel of wool of the inventive method fiber and sheath yarn are after heat is extended processing in same processing procedure, mix fine through air nozzle (air nozzle), give the twisting count of 300～2300T/M according to fabric tissue density and feel demand, can also be with the yarn kind that machines individually, twist yarn utilization after doubling winder doubling interlacing.Behind the high twist twist yarn, yarn has torsion (torque), influence weavability easily, need earlier through steam heat typing processing, its treatment temperature is between 50～90 ℃, the remnants that handle the back stereotypes yarn twist with the fingers torsion (Kr value) to be needed less than 3, generally uses high contraction mixed fiber yarn, produces feel of wool processing yarn (trade name: MILPA) as Japanese Supreme Being people company.Shrink difference when avoiding the ectonexine yarn steaming and influence stainability, need to use waveform corrugated paper or other soft filler batching internal layer reservation shrink space, avoid the ectonexine difference in shrinkage and influence the quality uniformity.The used sheath yarn of the inventive method has the low thermal stretching characteristic of boiling water shrinkage, and this processing procedure is reliable, and product quality can obviously improve.
The elasticity feel of wool fiber that makes by the inventive method, for giving full play to elastic effect, its sheath yarn degree of stretching needs higher by 50～150% than heart yarn degree of stretching, behind twist yarn, form core sheath structure, can use for warp thread or weft yarn, adjust according to fabric tissue density, can make elastic extension greater than 10% fabric, its elastic effect improves and tool snugness of fit.In addition, the elastomer that the inventive method makes has high temperature resistant and the acid and alkali-resistance characteristic, can high-temp dyeing and alkali treatment and do not influence elastic effect, and the dense effect of dying of sheath yarn tool of thermal stretching, can supply deep-colour fabric characteristic demand.
Description of drawings
Fig. 1 shown in the accompanying drawing is the extension device schematic diagram relevant with the inventive method with Fig. 2.
Description of reference numerals:
The pre-silk A that extends of the potential characteristic of crispaturaing of 1 tool,
The upgrading of 2 tool spontaneous elongation characteristics extends a B in advance,
3 extension devices are fed roll dies,
4 warm-up mills,
5 heating plates,
6 extend roller 1,
7 extend roller 2,
8 air nozzles,
9 thermal stretching elastomeric yarns.
The specific embodiment
Further illustrate the present invention with embodiment below, but the scope of the invention is not limited only to this.
The method of among each embodiment the gained sample being analyzed is as follows:
1. crystallization temperature: yarn sample 1.0～2.0mg; With elementary errors scanning calorimeter (differential scanningcalorimeter; Perkin-Elmer DSC7), 50～300 ℃ of temperature ranges, 20 ℃/minute of heating rates; Spike point with the crystallization temperature of scanning is crystallization temperature Tc.
2. elastic extension: cloth specimen 2.5cm is wide, 30cm long, and with universal tensile testing machine (INSTRON-6012), first loading 12g surveys former long L
1, with draw speed 1.667mm/sec, reply speed 10mm/sec, decide pulling force 750g and measure the T length L down
2, by following formula
Elastic extension=(L
2-L
1)/L
1* 100%
The calculating elastic percentage elongation.
3. twist with the fingers torsion (kr value): the yarn before or after the typing is fixed the upper end behind yarn 5 of sth. made by twisting torsigraph (kringelfakter meter) upper and lower sides, and the lower end breaks away from fulcrum, is hung on the lower end with the standard hook, reads twisting count delineation value with five mean value calculation.
Two kinds of thermoplastic polymers that heat-shrinkable is different are with 50: 50 ratios composite spinning side by side, spinning temperature is 285 ℃, spinnerets is provided with 12 holes, volume speed is 3200m/min, batch the multifilament 1 (POY A) that constitutes 80D/12F, through extension device (showing) heated wheel 4 as Fig. 1, heating plate 5, extend wheel 6 with 1.6 times of extension ratios, 90 ℃ of elongating temperatures, 160 ℃ of setting temperatures, extend and to form the tool elastomer of crispaturaing after the HEAT SETTING, with 290 ℃ of half photopolymer spinning temperatures, spinnerets 36 holes, roll up the spun multifilament 2 of fast 3600m/min (POY B), through extending wheel 6 and extending wheel 7, after 120 ℃ of low-tension heat treatments, tool thermal stretching characteristic, 130 ℃ of boiling water shrinkages are-1.0%, and two kinds of fibers after the extension heat treatment through air nozzle 8 interlacings, are formed the thermal stretching elastomeric yarn 9 of 100D/48F.
To twist with the fingers 1100 sth. made by twisting/rice on the heavy twist machine, steam shaping (65 ℃, 40 minutes) supplies warping, beats up and weave with 1/1 plain weave with this thermal stretching elastomeric yarn, and fabric is through relaxation processes (120 ℃, 20 minutes); Pre-setting (160 ℃, 30 seconds); Decrement (3%NaOH, 95 ℃, 60 minutes) reduction rate 10%; Disperse dyeing (135 ℃, 60 minutes); The fabric that back typing (160 ℃, 30 seconds) is finished has elasticity feel of wool characteristic, through close 160/inch, 90/inch of filling density, warp-wise elasticity 15%, broadwise elasticity 12%.
Can dye (basic dyeable with alkali, or claim alkalescence to dye) polymer through spinning (285 ℃ of temperature, The hole diameter of spinneret 0.2m/m 36 holes) speed 3200m/min, the multifilament 2 (POY B) that spun spinning cake constitutes, heated wheel 4 (100 ℃) and extension wheel 6 through extension device (showing) as Fig. 2, carry out low-tension and extend heat treatment, alkali after the processing can dye (basic dyeable, or claim alkalescence to dye) fiber tool thermal stretching characteristic, make the sheath yarn with it, boiling water shrinkage is that 15%, 130 ℃ of boiling water shrinkage is 1.5% in the time of its 70 ℃.With the thermoplastic polymer of two kinds of different heat-shrinkables with 50: 50 ratios composite spinning side by side, spinning temperature is that 285 ℃, 12 holes of spinnerets tool, coiling speed are 4400m/min, batch the multifilament 1 (POY A) that constitutes 50D/12F, make heart yarn with it, fiber A, B degree of stretching difference are 70%, after air nozzle 8 interlacings, form the thermal stretching elastomeric yarn 9 that the 100D/48F alkali can dye (basic dyeable, or claim alkalescence to dye).
This thermal stretching elastomeric yarn is twisted with the fingers 1000 sth. made by twisting/rice on the heavy twist machine, steam shaping (65 ℃, 40 minutes), warping, beat up and weave, (160 ℃ of relaxation processes (120 ℃, 20 minutes), pre-settings with DOBBY, 30 seconds), decrement (1%NaOH, 95 ℃, 60 minutes) reduction rate 10%, dyeing (120 ℃, 60 minutes, the alkali dyestuff), back typing (160 ℃, 30 seconds), the elastic effect of the fabric tool different color of finishing is through close 130/inch, 90/inch of filling density; Warp-wise elasticity 20%, broadwise elasticity 15%.
Claims (4)
1. elasticity feel of wool fibre manufacture, it is characterized in that, in the same hole melt spinning mode side by side of spinning, thermoplastic polymer composite spinning with two kinds of different heat shrinkability characteristics, form the composite fibre of tool spring-like spiral structure, the heating of drawn twisting mill is extended and typing again, wherein elongating temperature is thermoplastic polymer glass transition temperature Tg ± 50 ℃, setting temperature is situated between between thermoplastic polymer crystallization temperature Tc and Tc+100 ℃, the time that typing is extended in heating is 0.01～0.3 second, gained elasticity heart yarn is by being selected from polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate or its polymer-modified analog thermoplastic polymer constitute, the outer sheath yarn that coats is made of polyethylene terephthalate analog thermoplastic polymer, perhaps by in the polyethylene terephthalate analog thermoplastic polymer of crystallization inhibitor modification one or more, fiber through spinning process gained tool thermal stretching characteristic, the mixed fine interlacing of mat air nozzle forms again, and heart yarn and sheath yarn form core sheath structure behind twist yarn.
2. the described elasticity feel of wool of claim 1 fibre manufacture is characterized in that, described crystallization inhibitor is selected from one or more in phthalic acid, adipic acid, decanedioic acid, M-phthalic acid or the phthalic acid.
3. an elasticity feel of wool fiber that makes by claim 1 or 2 described methods is characterized in that, its mesotheca yarn degree of stretching is higher by 50～150% than heart yarn degree of stretching, and heart yarn and sheath yarn form core sheath structure behind twist yarn, and this fiber can be for the usefulness of warp thread or weft yarn.
4. the application of elasticity feel of wool fiber in elasticity feel of wool fabric that any one described method for making makes in the claim 1 or 2 is characterized in that, through silk weaving or knitting and form elastic extension greater than 10% fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031219039A CN1537983A (en) | 2003-04-15 | 2003-04-15 | Wool imitation elastic fiber manufacturing method and textile made by said fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031219039A CN1537983A (en) | 2003-04-15 | 2003-04-15 | Wool imitation elastic fiber manufacturing method and textile made by said fiber |
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| CN1537983A true CN1537983A (en) | 2004-10-20 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845697A (en) * | 2010-05-18 | 2010-09-29 | 浙江恒逸高新材料有限公司 | Preparation method of novel wool-like differential fibers |
| CN101845696A (en) * | 2010-05-18 | 2010-09-29 | 浙江恒逸高新材料有限公司 | Method for preparing functional composite woolly elastic fiber |
| CN101016669B (en) * | 2007-02-07 | 2011-02-02 | 方圆化纤有限公司 | Process of preparing fabric with shape physics memory function |
| CN101086086B (en) * | 2006-06-07 | 2011-06-15 | 中国石化仪征化纤股份有限公司 | Fine denier high intensity low shrinkage polyester filament yarn processing method |
| CN101423990B (en) * | 2007-10-29 | 2011-09-14 | 东丽纤维研究所（中国）有限公司 | Imitation wool composite textured yam and method for producing the same |
| CN102644140A (en) * | 2012-05-24 | 2012-08-22 | 太仓市金祥氨纶纤维有限公司 | Production method for thermoplastic elastic complex fiber cloth |
| CN102657388A (en) * | 2012-05-24 | 2012-09-12 | 太仓市金祥氨纶纤维有限公司 | Method for producing thermoplastic elastic composite fiber clothes |
| CN103003478A (en) * | 2010-07-21 | 2013-03-27 | 纳幕尔杜邦公司 | Mixed polyester yarns and articles made therefrom |
| CN106757634A (en) * | 2016-12-14 | 2017-05-31 | 浙江恒逸高新材料有限公司 | A kind of picotement polyester covered fiber and preparation method and application |
| CN112981653A (en) * | 2021-02-05 | 2021-06-18 | 武汉纺织大学 | Asymmetric structure stimulus response yarn and preparation method and application thereof |
-
2003
- 2003-04-15 CN CNA031219039A patent/CN1537983A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086086B (en) * | 2006-06-07 | 2011-06-15 | 中国石化仪征化纤股份有限公司 | Fine denier high intensity low shrinkage polyester filament yarn processing method |
| CN101016669B (en) * | 2007-02-07 | 2011-02-02 | 方圆化纤有限公司 | Process of preparing fabric with shape physics memory function |
| CN101423990B (en) * | 2007-10-29 | 2011-09-14 | 东丽纤维研究所（中国）有限公司 | Imitation wool composite textured yam and method for producing the same |
| CN101845697A (en) * | 2010-05-18 | 2010-09-29 | 浙江恒逸高新材料有限公司 | Preparation method of novel wool-like differential fibers |
| CN101845696A (en) * | 2010-05-18 | 2010-09-29 | 浙江恒逸高新材料有限公司 | Method for preparing functional composite woolly elastic fiber |
| CN101845697B (en) * | 2010-05-18 | 2012-01-25 | 浙江恒逸高新材料有限公司 | Preparation method of novel wool-like differential fibers |
| CN101845696B (en) * | 2010-05-18 | 2013-08-28 | 浙江恒逸高新材料有限公司 | Method for preparing functional composite woolly elastic fiber |
| CN103003478A (en) * | 2010-07-21 | 2013-03-27 | 纳幕尔杜邦公司 | Mixed polyester yarns and articles made therefrom |
| CN102644140A (en) * | 2012-05-24 | 2012-08-22 | 太仓市金祥氨纶纤维有限公司 | Production method for thermoplastic elastic complex fiber cloth |
| CN102657388A (en) * | 2012-05-24 | 2012-09-12 | 太仓市金祥氨纶纤维有限公司 | Method for producing thermoplastic elastic composite fiber clothes |
| CN106757634A (en) * | 2016-12-14 | 2017-05-31 | 浙江恒逸高新材料有限公司 | A kind of picotement polyester covered fiber and preparation method and application |
| CN112981653A (en) * | 2021-02-05 | 2021-06-18 | 武汉纺织大学 | Asymmetric structure stimulus response yarn and preparation method and application thereof |
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