CN101323996A - Melting processed false twisting yarn, processing method and use - Google Patents
Melting processed false twisting yarn, processing method and use Download PDFInfo
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- CN101323996A CN101323996A CNA2007100232846A CN200710023284A CN101323996A CN 101323996 A CN101323996 A CN 101323996A CN A2007100232846 A CNA2007100232846 A CN A2007100232846A CN 200710023284 A CN200710023284 A CN 200710023284A CN 101323996 A CN101323996 A CN 101323996A
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Abstract
The invention discloses a false twisted yarn that is processed by melting and a processing method and application thereof. The false twisted yarn adopts a bi-component compound fiber as a raw material, is produced through the processing of drafting and false twisting, and has two hot melting peaks. The false twisted yarn can be applied to dress textiles or household textiles. The false twisted yarn of the invention adopts bi-component lanon as the raw material and takes the advantages of two components, thus not only leading melting parts of the yarn that is processed by the drafting and the false twisting to have stronger tension resistance, but also leading the yarn to have the property of higher strength, and the false twisted yarn is easy to manage in the processing procedure. Textiles that are formed after weaving and dyeing have clean, dry and cool tactility, as well as strong gas permeability. Dyed cloth cover presents linen-like style and has visually uniform, natural and fine sags and crests, as well as stripe feel.
Description
Technical field:
The present invention relates to a kind of false twisted yarn and processing method and purposes.
Background technology:
Along with uphold nature, the fashion trend of back to nature, this burst upsurge has also been taken in the weaving face fabric, wishes that lining not only has the style outward appearance of nature but also can have comfortable dress property to become everybody demand.This has just proposed very high requirement to yarn.Do not have comfortable dress property though the fabric that some yarns were made in the market has the outward appearance of nature or shortcoming, or have comfortable dress property to be short of to some extent or other shortcoming in the outward appearance of nature.As following several examples:
With the conventional polyester fiber by after the drafting false twisting processing, its yarn has the outward appearance that is close with fusing department of the present invention (being detail section), but this yarn is after weaving dyeing and finishing processing, though certain refrigerant sense is arranged but cloth cover does not have the striped sense, Color is more single and process engineering is complicated, and processing cost is higher.
Also have a kind of yarn, extend processing simultaneously, and then carry out false twisting processing by vitrification point point heat treatment at polyester fiber.This yarn has the thickness joint, has dyeing difference and certain striped sense after the textile dyeing processing, though there is the striped third dimension not strong, defectives such as refrigerant sense deficiency.
Japanese patent application publication No. 2000-303287 discloses a kind of melting adhered polyester fancy yarn and processing method with imitative numb effect, though the processing technology of this polyester fancy yarn is fairly simple, but adopted the false twisting method for working of high energy consumption high-temperature shaping, and on the production stability, be difficult to control.
Summary of the invention:
The object of the present invention is to provide a kind of that form through melt-processed, have two heat fusing peaks, have false twisted yarn and processing method and purposes that the thickness that formed by fusing department and non-fusing department saves.
Technical solution of the present invention is:
A kind of false twisted yarn through melt-processed is characterized in that: the employing bicomponent composite fibre is a raw material, makes through drafting false twisting processing, has two heat fusing peaks.
The composite fibre that is formed by conventional polyester and low-melting point polyester bi-component makes through drafting false twisting processing, low-melting point polyester is in a ratio of the low melting peak of temperature with conventional polyester in the composite fibre on the heat fusing curve of measuring with differential scanning calorimeter, and caloric receptivity is a low side.Two kinds of component melting temperature difference Δ T 〉=20 ℃.If the melting temperature difference is crossed the low so not only low-melting point polyester fusion and the also fusion of conventional polyester of yarn between conventional polyester and low-melting point polyester, this just makes its fabric feeling hardening.
Have two heat fusing peaks, respectively in 230 ℃～300 ℃ scopes and in 180 ℃～250 ℃ scopes, and the difference of two heat fusing peak values is more than or equal to 20 ℃.
On the length direction by have two kinds different twist with the fingers to fusing department and non-fusing department constitute, the fusing department of yarn forms details, non-fusing department forms slubbing, yarn unevenness is 0.7%≤U%≤10%.
The fusing department average length is 2～20mm on the length direction of yarn, and the ratio that occupies in the longitudinal direction is 10～70%; The opposing of yarn fusing department strain insulator power is 0.2cN/dtex～0.5cN/dtex, and yarn strength is: 1.5cN/dtex～4.5cN/dtex.
It is 60%～95% that conventional polyester accounts for whole yarn weight rate, and it is 5%～40% that low-melting point polyester accounts for whole yarn weight rate.
Bicomponent composite fibre is that core-skin is compound, the island is compound, it is fine compound to cut, blend is compound, parallel composite or mixed fine compound.In the compound kenel of core-skin, low-melting point polyester is as the cortex part, and conventional polyester is a core segment; In the compound kenel in island, low melting point is as extra large part, and conventional polyester is the island part.
A kind of processing method of the false twisted yarn through melt-processed is characterized in that: comprise the following steps:
1. select the raw material of two kinds of components of melting temperature difference Δ T 〉=20 ℃ for use, make compound bicomponent composite fibre;
2. bicomponent composite fibre is carried out drafting false twisting processing under following processing conditions, gets product:
The drawing-off multiplying power is: 1.2～1.8
The first hot case employing temperature is 140～250 ℃ the hot case of contact, or the employing heater temperature is 280～600 ℃ a contactless hot case;
The second hot case employing temperature is 100～230 ℃ the hot case of contact.
A kind of false twisted yarn through melt-processed is used in textiles or household textiles at the preparation clothes.
If use 100% conventional polyester, reach near effect of the present invention then needs higher heat setting temperature, and cost is higher and puddle strain insulator power opposing yarn is lower.If use 100% low-melting point polyester, cost of material is higher and producing when hanging yarn easily sticking disconnectedly on hot plate because of fusing point hangs down, and influences production efficiency.
In the false twisting processing, because the number of twists of untwisting is identical with the number of twists of twisting, yarn is through behind the first hot case of high temperature, and fusion appears in fiber surface, and through behind the coldplate, the cooling of the part of fusion and the state of will twisting are preserved with bonding form; In untwisting, the part of bonding fragility carried out untwisting form non-twist zone and reverse lay mutually to cross the backtwisting zone, and the bonding firm part twist is preserved the formation melting zone.This melting zone and mistake backtwisting zone after by the second hot case state of yarn being finalized the design, just present the thickness joint in the longitudinal direction again.
Fabric is woven fabric or braided fabric.Braided fabric is tricot or weft-knitted fabric.
Constitute that to have at least a kind of in the warp thread of woven fabric and the weft yarn be special false twisted yarn through melt-processed, another kind of yarn is the blended yarn of natural fabric yarn, regenerated fiber yarn, chemical fibre yarn or chemical fibre and natural fabric.It is main institutional framework that the weave of fabric is selected with three foundation weave and other alternative construction.At least a false twisted yarn that contains 84～167dtex through melt-processed in the filling yarn of fabric, after general dyeing and finishing processing, through density is 60～170/inch, weft density is 50～150/inch, and fabric shows the striped sense of nature, refrigerant sense and stiffening in soft style.
Advantage of the present invention is: use bicomponent polyester fiber to be raw material, get two kinds of length that become branch, it is strong but also the higher characteristic of yarn strength is arranged that yarn had not only had the opposing of fusing department strain insulator power after drafting false twisting processing, is easy to manage in engineering in the back.Because yarn has the thickness joint that is formed by fusing department and non-fusing department, so the fabric that forms has the contact dry feeling, refrigerant sense, fabric breathability is strong, and dyeing back cloth cover presents imitative leprosy lattice, and the protruding and striped sense of nick of homogeneous, nature is visually arranged.Utilize composite spinning technology can give lining various additional function simultaneously.
The invention will be further described below in conjunction with embodiment.
Supplementary notes to the part professional term:
1. conventional polyester: polyethylene terephthalate
2. low-melting point polyester: low melting point modification polyethylene terephthalate
3. fusing department strain insulator power opposing: at normal temperatures and pressures, yarn speed is at 400m/min, angle of bend when 120 spend, the tension force of yarn fusing department during by backtwisting.
4. heat fusing peak:
Measure the heat fusing curve with differential scanning calorimeter, on curve, be reflected in the endothermic curve in the melted by heating process.
The specific embodiment:
Embodiment 1:
Select the polyester raw material of following two kinds of different components for use:
Conventional polyester component: full-dull polyester, 240～260 ℃ of softening points: low-melting component: high-contraction copolyester, 210～230 ℃ of softening points; The melting temperature difference Δ T of conventional polyester component and low-melting component 〉=20 ℃.The above-mentioned full-dull polyester of the above-mentioned high-contraction copolyester of 30% weight portion and 70% weight portion is obtained the bicomponent polyester fiber of skin-core structure by composite spining module, and (low-melting point polyester is as the cortex part, conventional polyester is a core segment), degree of stretching is 160%-180%.
The bicomponent polyester fiber of above-mentioned skin-core structure is carried out drafting false twisting processing, and the condition of processing is as follows:
Process velocity: 350～450m/min; Drawing-off multiplying power: 1.42～1.62; The first hot case is 1.2 meters the hot case of contact, and temperature is set at: 180～200 ℃; The second hot case (the hot case of contact) temperature is set at: 140～165 ℃.
The false-twisted yarn that obtains in the longitudinal direction by have two kinds different twist with the fingers to fusing department and non-fusing department constitute, the fusing department of yarn forms details, non-fusing department forms slubbing.The false twisted yarn that obtains has two melting peaks, and in 230 ℃～270 ℃ scopes and in 200 ℃～245 ℃ scopes, physical property is as follows: yarn unevenness: 1.2%～3% respectively; Intensity: 1.8～2.3cN/dtex; Degree of stretching: 25～35%; Yield boils: 5～6%; Backtwisting zone leveling length: 3～10mm not; Fusing department strain insulator power opposing 0.3cN/dtex～0.4cN/dtex; Backtwisting ratio not: 30～50%.
Weave is selected weft rib weave for use, warp thread adopts the above-mentioned false twisted yarn that obtains (84～167dtex) through melt-processed, weft yarn adopts 45S/2 polyester cotton blending (T65C) yarn, on air-jet loom, weave, after common dyeing and finishing processing, through density is 60～170/inch, weft density is 60～170/inch, natural striped sense through making progress appears in fabric, the refrigerant sense of tool, feel is dry and comfortable, imitative leprosy lattice, and the preventing ultraviolet effect (the UPF value is greater than 30) of fabric excellence is given in the use of full-dull polyester simultaneously.
Product is used in textiles or household textiles at clothes.Weave and dyeing and finishing after the fabric that forms have the contact dry feeling, refrigerant sense, and gas permeability is strong.Dyeing back cloth cover presents imitative leprosy lattice, and the protruding and striped sense of nick of homogeneous, nature is visually arranged.
Embodiment 2:
Conventional polyester component: half delustring polyester, 240～260 ℃ of softening points; Low-melting component: high-contraction copolyester, 210～230 ℃ of fusing points; The melting temperature difference Δ T of conventional polyester component and low-melting component 〉=20 ℃.Other is as embodiment 1.
The false-twisted yarn that obtains in the longitudinal direction by have two kinds different twist with the fingers to fusing department and non-fusing department constitute, the fusing department of yarn forms details, non-fusing department forms slubbing.The false twisted yarn that obtains has two melting peaks, and in 230 ℃～270 ℃ scopes and in 200 ℃～245 ℃ scopes, the yarn physical property is as follows: yarn unevenness: 1.5%～3.5% respectively; Intensity: 1.8～2.3cN/dtex; Degree of stretching: 25～35%; Yield boils: 5～6%; Backtwisting zone leveling length: 3～10mm not; Backtwisting ratio not: 30～50%.
Weave is selected plain weave for use, and filling yarn all adopts the special false twisted yarn through melt-processed, weaves on air-jet loom, refrigerant visual effect and dry and comfortable feel appear through common dyeing and finishing processing back fabric, imitative leprosy lattice, fabric is frivolous ventilative simultaneously, is suitable for as the lining in summer.
Embodiment 3:
Select the polyester raw material of following two kinds of different components for use:
Conventional polyester component: full-dull polyester, 240～260 ℃ of fusing points (240 ℃, 250 ℃, 260 ℃ of examples), low-melting point polyester component: high-contraction copolyester, 180～240 ℃ of fusing points (180 ℃, 200 ℃, 220 ℃ of examples), and the melting temperature difference Δ T of conventional polyester component and low-melting component 〉=20 ℃.5～40% (example 5%, 20%, the 40%) high-contraction copolyesters of weight portion and the full-dull polyester of surplus are obtained the bicomponent polyester fiber of core-skin compound (or parallel composite, mix fine compound) structure by composite spining module.In the compound kenel of core-skin, low melting point is as the cortex part, and conventional polyester is a core segment.
The bicomponent polyester fiber of above-mentioned skin-core structure is carried out drafting false twisting processing, and the condition of processing is as follows: process velocity: 250～700 meters/minute (250 meters/minute of examples, 400 meters/minute, 600 meters/minute, 700 meters/minute); Drawing-off multiplying power: 1.2～1.8 (examples 1.2,1.5,1.8); The first hot case is contactless hot case, and temperature is set at: 280～600 ℃ (280 ℃, 450 ℃, 600 ℃ of examples); The second hot case (the hot case of contact) temperature is set at: 100～230 ℃ (100 ℃, 160 ℃, 230 ℃ of examples).Get the false twisted yarn of melt-processed, the false-twisted yarn that obtains in the longitudinal direction by have two kinds different twist with the fingers to fusing department and non-fusing department constitute, the fusing department of yarn forms details, and non-fusing department forms slubbing, and yarn unevenness is 0.7%≤U%≤10% (example 1%, 5%, 10%).False-twisted yarn fusing department average length on the length direction of yarn is 2～20mm (routine 3mm, 10mm, 20mm), and the ratio that occupies in the longitudinal direction is 10～70% (examples 10%, 40%, 70%).The opposing of yarn fusing department strain insulator power is 0.2cN/dtex～0.5cN/dtex (routine 0.2cN/dtex, 0.35cN/dtex, 0.5cN/dtex), yarn strength: 1.5cN/dtex～4.5cN/dtex (routine 1.5cN/dtex, 3cN/dtex, 4.5cN/dtex).
Yarn can form fabric through woven or braiding (through compiling or weft knitting).
Embodiment 4:
Drafting false twisting adds man-hour, and the first hot case is the hot case of contact, and temperature is set at: 140～250 ℃ (140 ℃, 200 ℃, 250 ℃ of examples), all the other are with embodiment 3.
Claims (10)
1, a kind of false twisted yarn through melt-processed is characterized in that: the employing bicomponent composite fibre is a raw material, makes through drafting false twisting processing, has two heat fusing peaks.
2, a kind of false twisted yarn through melt-processed according to claim 1 is characterized in that: makes through drafting false twisting processing by conventional polyester and low-melting point polyester bicomponent composite fibre, and two kinds of component melting temperature difference Δ T 〉=20 ℃.
3, a kind of false twisted yarn through melt-processed according to claim 1 is characterized in that: have two heat fusing peaks, respectively in the scope of 180 ℃～250 ℃ and 230 ℃～300 ℃, and the difference of two heat fusing peak values is more than or equal to 20 ℃.
4, according to claim 1,2 or 3 described a kind of false twisted yarns through melt-processed, it is characterized in that: on the length direction by have two kinds different twist with the fingers to fusing department and non-fusing department constitute, the fusing department of yarn forms details, non-fusing department forms slubbing, and yarn unevenness is 0.7%≤U%≤10%.
5, a kind of false twisted yarn according to claim 4 through melt-processed, it is characterized in that: the fusing department average length is 2～20mm on the length direction of yarn, and the ratio that occupies in the longitudinal direction is 10～70%; The opposing of yarn fusing department strain insulator power is 0.2cN/dtex～0.5cN/dtex, and yarn strength is: 1.5cN/dtex～4.5cN/dtex.
6, according to claim 1,2 or 3 described a kind of false twisted yarns through melt-processed, it is characterized in that: it is 60%～95% that conventional polyester accounts for whole yarn weight rate, and it is 5%～40% that low-melting point polyester accounts for whole yarn weight rate.
7, according to claim 1,2 or 3 described a kind of false twisted yarns through melt-processed, it is characterized in that: bicomponent composite fibre is that core-skin is compound, the island is compound, it is fine compound to cut, blend is compound, parallel composite or mixed fine compound.
8, a kind of false twisted yarn through melt-processed according to claim 7 is characterized in that: in the compound kenel of core-skin, low-melting point polyester is as the cortex part, and conventional polyester is a core segment; In the compound kenel in island, low melting point is as extra large part, and conventional polyester is the island part.
9, a kind of processing method of the false twisted yarn through melt-processed is characterized in that: comprise the following steps:
1. selecting two kinds of components of melting temperature difference Δ T 〉=20 ℃ for use is raw material, makes compound bicomponent composite fibre;
2. bicomponent composite fibre is carried out drafting false twisting processing under following processing conditions, gets product:
The drawing-off multiplying power is: 1.2～1.8
The first hot case employing temperature is 140～250 ℃ the hot case of contact, or the employing heater temperature is 280～600 ℃ a contactless hot case;
The second hot case employing temperature is 100～230 ℃ the hot case of contact.
10, a kind of false twisted yarn through melt-processed is used in textiles or household textiles at the preparation clothes.
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| CN101775684B (en) * | 2009-01-13 | 2013-07-17 | 东丽纤维研究所（中国）有限公司 | Polyester fabric and production method thereof |
| CN102051706B (en) * | 2009-11-03 | 2014-06-04 | 东丽纤维研究所（中国）有限公司 | Copolyester false-twist yarn and production method thereof |
| CN106120108A (en) * | 2016-08-28 | 2016-11-16 | 阜城县华兴服装有限公司 | A kind of new function and the production method of fibre in differentiation interwoven fabric |
| CN107227543A (en) * | 2017-08-04 | 2017-10-03 | 苏州华良化纤纺织有限公司 | A kind of low melting point terylene composite material |
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| CN110894633A (en) * | 2019-10-10 | 2020-03-20 | 东丽酒伊织染（南通）有限公司 | Preparation method of linen-like yarn |
| CN114108149A (en) * | 2020-08-28 | 2022-03-01 | 天昊实业股份有限公司 | Method for manufacturing high-speed yarn with creases and product thereof |
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- 2007-06-14 CN CNA2007100232846A patent/CN101323996A/en active Pending
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| CN101775684B (en) * | 2009-01-13 | 2013-07-17 | 东丽纤维研究所（中国）有限公司 | Polyester fabric and production method thereof |
| CN102051706B (en) * | 2009-11-03 | 2014-06-04 | 东丽纤维研究所（中国）有限公司 | Copolyester false-twist yarn and production method thereof |
| CN106120108A (en) * | 2016-08-28 | 2016-11-16 | 阜城县华兴服装有限公司 | A kind of new function and the production method of fibre in differentiation interwoven fabric |
| CN108118418A (en) * | 2016-11-29 | 2018-06-05 | 东丽纤维研究所（中国）有限公司 | Filoplume shape composite deformation yarn and preparation method thereof |
| CN108118418B (en) * | 2016-11-29 | 2022-01-18 | 东丽纤维研究所（中国）有限公司 | Feather-like composite textured yarn and preparation method thereof |
| CN108342801B (en) * | 2017-01-25 | 2021-06-25 | 东丽纤维研究所（中国）有限公司 | Mixed fiber processing filament, production method thereof and fabric |
| CN108342801A (en) * | 2017-01-25 | 2018-07-31 | 东丽纤维研究所（中国）有限公司 | The mixed fine processing long filament of one kind and its production method and fabric |
| CN107227543A (en) * | 2017-08-04 | 2017-10-03 | 苏州华良化纤纺织有限公司 | A kind of low melting point terylene composite material |
| CN110029419A (en) * | 2018-01-11 | 2019-07-19 | 东丽纤维研究所（中国）有限公司 | A kind of mixed fine false twist yarn of terylene, preparation method and its fabric |
| CN110029419B (en) * | 2018-01-11 | 2022-09-13 | 东丽纤维研究所（中国）有限公司 | Polyester mixed fiber false-twist processing yarn, preparation method and fabric thereof |
| CN110894633A (en) * | 2019-10-10 | 2020-03-20 | 东丽酒伊织染（南通）有限公司 | Preparation method of linen-like yarn |
| CN114108149A (en) * | 2020-08-28 | 2022-03-01 | 天昊实业股份有限公司 | Method for manufacturing high-speed yarn with creases and product thereof |
| CN114959927A (en) * | 2022-05-18 | 2022-08-30 | 浙江新乐纺织化纤有限公司 | Production process of composite linen-like effect polyester filament yarn |
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Open date: 20081217 |