CN114016198A - Durable elastic woolen sweater made of modified polyester composite filaments and preparation method of durable elastic woolen sweater - Google Patents
Durable elastic woolen sweater made of modified polyester composite filaments and preparation method of durable elastic woolen sweater Download PDFInfo
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- CN114016198A CN114016198A CN202111318429.1A CN202111318429A CN114016198A CN 114016198 A CN114016198 A CN 114016198A CN 202111318429 A CN202111318429 A CN 202111318429A CN 114016198 A CN114016198 A CN 114016198A
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- wool
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
- D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
- D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
- D06B3/08—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments as hanks
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8214—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing ester and amide groups
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/02—Wool
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Knitting Of Fabric (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Coloring (AREA)
Abstract
The invention discloses a durable elastic woolen sweater made of modified polyester composite filaments and a preparation method thereof, wherein composite yarns formed by doubling PET and PTT polyester composite filaments and wool or wool blended spun yarns are used as cores, and the PET and PTT polyester composite filaments are dope-colored or white self-crimping filaments; the wool fabric has 10-40% of tensile elasticity in the warp and weft directions. The woolen sweater has the advantages of stable and lasting elasticity, strong wool feeling and simple and convenient processing. The invention can provide a wool fabric with lasting elasticity, controllable elasticity, hank dyeing, wool feeling, strength and high cost performance, and aims at solving the problems that the existing wool spandex elastic fabric is easy to relax and expose white, and the wool/high-temperature dyeable polyester elastic filament fabric is difficult to piece dye and easy to color, the invention adopts the low-temperature dyeable self-crimping composite elastic white filament, and is prepared by controlling the size of a flat knitting machine and the temperature-time bath ratio of drying and washing in combination with the key process control of spinning hank dyeing and the like in a Sirofil spinning or doubling twisting mode.
Description
Technical Field
The invention relates to the technical field of novel textile materials, in particular to a durable elastic woolen sweater made of modified polyester composite filaments and a preparation method thereof.
Background
The combed wool knitting wool is usually produced by adopting a sliver dyeing and combing process to realize fiber dyeing and sliver color mixing and spinning. The long-flow color spinning process has long research and development proofing process, and different colors of the same woolen sweater are relatively difficult to realize.
The main raw material of the woolen sweater is short wool fibers, and the surface of the woolen sweater is covered by more or less scale layers, so that the difference between the visible light reflection performance of the woolen sweater and the synthetic fiber filaments with smooth surfaces is large, and the synthetic fiber filaments are difficult to use in the woolen sweater; even dope-dyed filaments run the risk of differing shade from the wool fibers, resulting in a phenomenon of significant shading and differences in light reflectance at different angles.
Elasticity can give the textile better fit and comfort properties and has become the most widely demanded of the existing clothing textiles. The elasticity achieved by wool fabrics is usually achieved by covering the elastic fibers with wool (or wool blend) yarns, such as spandex (e.g., Lycra), polyolefins (e.g., XLA fibers from DOW corporation), to form core yarns. The disadvantages of this type of elastic fiber application are: the bare yarn can not be applied, and the bare yarn is required to be coated by other fibers as a core yarn, so that the utility value is realized; the processing can be carried out only by special core-spun yarn equipment, the processing flow is long, and the elasticity is difficult to control uniformly; meanwhile, the elastic fabric has the defects of easy relaxation and poor chemical stability when repeatedly used for many times. After being colored by stock solution, the common polyester composite elastic filaments needing high-temperature and high-pressure dyeing can realize relatively lasting elasticity by means of ingenious organizational structure design, for example, patent ZL2007 patent polyester composite filament parallel linear latitudinal elastic wool fabric and preparation method thereof, patent ZL2007 patent polyester composite filament inter-latitudinal elastic wool fabric and preparation method thereof, and a method for realizing wool fabric elasticity by adopting PET/PTT polyester composite filaments is provided. However, it is clear that because PET/PTT requires high temperature and high pressure dyeing, and cannot be hank dyed with wool fibers, dope dyed filaments are required to achieve the elasticity of wool fabrics. The problems that the color light of wool fibers is difficult to coordinate, the fabric is easy to have flash and different colors, and the like exist.
In order to solve the problems and meet the increasing requirements of consumers on color diversification, controllable elasticity and fast consumption, the lasting elastic woolen sweater made of the modified polyester composite filaments and the preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide a durable elastic woolen sweater made of modified polyester composite filaments and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a durable elastic woolen sweater made of modified polyester composite filaments comprises the following steps:
s1: selecting modified PET and PBT polyester composite filaments: respectively putting PET slices with the viscosity of 0.4-0.8 and PBT slices with the viscosity of 0.8-1.4 into corresponding different melting box bodies, conveying the PET slices to spinneret plates through respective spinning channels, and extruding in parallel to obtain composite white yarns and wool or wool blended spun yarns, wherein the composite ratio is 30/70-70/30;
s2: spinning: spinning and doubling the composite white filament and wool or wool blended spun yarn in the step S1 through Sirofil of single or double filaments, and twisting to obtain yarn, wherein the twist coefficient is controlled to be 90;
s3: dyeing: carrying out pretreatment and hank dyeing on the yarn obtained in the step S2, wherein the pretreatment temperature is not lower than 90 ℃, and the hank dyeing is carried out by using reactive dye at the temperature of 100 ℃ for 80 min;
s4: weaving: and (5) obtaining the yarn by S3, and washing and ironing the yarn by water finally after the yarn passes through the processes of flat knitting machine, looping, hand sewing and inspection.
Preferably, the fineness of the modified PET and PBT polyester composite filament is within the range of 33dtex-330dtex, and the strength is not lower than 2.0 cN/dtex.
Preferably, the ratio of the composite white silk and wool or wool blended spun yarn in S2 is 80/20-10/90.
Preferably, in S3, a two-step one-bath process can also be used, wherein polyester is dyed before wool is dyed.
The invention also provides a durable elastic woolen sweater made of the modified polyester composite filament, and the preparation method comprises the steps of performing winching and dyeing on the composite yarn formed by coating, doubling and twisting the low-temperature dyeable modified PET and PBT polyester composite filament and wool or wool blended spun yarn, and performing pretreatment and reactive dye dyeing to color the polyester composite filament and wool fiber to obtain the wool fabric.
Preferably, the modified PET has a dyeing temperature of not more than 100 ℃.
Preferably, the single yarn twist multiplier of the composite yarn formed by the polyester composite filament and the wool or wool blended yarn is 90, and the ply twist multiplier is 78.
Compared with the prior art, the invention has the beneficial effects that:
the invention can provide a wool fabric with lasting elasticity, controllable elasticity, hank dyeing, wool feeling, strength and high cost performance, and aims at solving the problems that the existing wool spandex elastic fabric is easy to relax and expose white, and the wool/high-temperature dyeable polyester elastic filament fabric is difficult to piece dye and easy to color, the invention adopts the low-temperature dyeable self-crimping composite elastic white filament, and is prepared by controlling the size of a flat knitting machine and the temperature-time bath ratio of drying and washing in combination with the key process control of spinning hank dyeing and the like in a Sirofil spinning or doubling twisting mode.
The needed elasticity value can be obtained by controlling the twist of the plied yarn, the density of the fabric and the after-finishing process; by controlling the spinning process and the dyeing process, the hank-dyed wool elastic fabric with different colors and good color consistency and uniform color light can be obtained.
Detailed Description
The technical solutions will be described clearly and completely in the following embodiments of the present invention, and it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the invention provides a technical scheme that: a preparation method of a durable elastic woolen sweater made of modified polyester composite filaments comprises the following steps:
(1) preparing a composite polyester filament: obtaining composite white yarns with the fineness of 65D by adopting polyethylene terephthalate (PET) and polytrimethylene terephthalate (PTT) according to the composite proportion of 60/40 through a composite spinning technology; or respectively adding PET-based master batch and PTT-based master batch in the spinning process to obtain the composite yarn with the same fineness range and the same dope coloring;
(2) the yarn forming method comprises the following steps: coating the composite white yarns or the composite yarns colored by the stock solution in the step (1) and the wool spinning yarns with the twist of 48 Nm/2100 percent of the twist/m on a spinning machine, and twisting to obtain doubled yarns with the twist of 380S twist/m; the yarn doubling tension of the wool yarn is controlled to be 4.82g, the yarn doubling tension of the filament is controlled to be 2.32g, and the composite white yarn or the composite yarn is in a state of being straightened and not extending so as to prevent the small plait yarn from appearing. The ratio of the fineness of the composite white yarn or the composite yarn to the fineness of the wool or wool blended yarn is 1.8, and the ratio of the composite white yarn or the composite yarn/wool or wool blended yarn formed after doubling is 60/40.
(3) And (3) dyeing mode: performing pretreatment and hank dyeing on the yarn obtained in the step (2), wherein the pretreatment temperature is not lower than 90 ℃, and the hank dyeing is to dye the yarn for 80min at the temperature of 100 ℃ by using reactive dye;
(4) the weaving mode is as follows: the weaving is carried out by using the common wool yarn or the wool blended yarn with single yarn twist of 680Z twist/m and strand twist of 380S twist/m and 48 Nm/2. The craftsman carries out process adjustment according to the manufacturing requirements of the woolen sweater, and the platemaker writes programs according to the process requirements. After the processes of flat knitting machine, looping, hand sewing and inspection, finally washing and ironing to obtain the finished product.
Example two:
the invention provides a technical scheme that: a preparation method of a durable elastic woolen sweater made of modified polyester composite filaments comprises the following steps:
selecting modified PET and PBT polyester composite filaments: respectively putting PET slices with the viscosity of 0.8 and PBT slices with the viscosity of 1.4 and the fineness of the modified PET and PBT polyester composite filaments of 330dtex and the strength of 2.0cN/dtex into corresponding different melting boxes, extruding the filaments to a spinneret plate through respective spinning channels in parallel to obtain composite white filament and wool or wool blended spun yarns, wherein the composite ratio is 70/30;
spinning: spinning and doubling the composite white filament and wool or wool blended spun yarn through Sirofil of single or double filaments, and twisting to obtain yarn, wherein the twist coefficient is controlled to be 90; the proportion of the composite white silk and wool or wool blended spun yarn is 10/90.
Dyeing: carrying out pretreatment and hank dyeing on the obtained yarn, wherein the pretreatment temperature is 90 ℃, and the hank dyeing is carried out for 80min by using reactive dye at the temperature of 100 ℃; the dyeing temperature of the modified PET is 100 DEG C
Furthermore, a two-step one-bath method can be adopted, and polyester is dyed firstly and then dyed.
Weaving: the obtained yarn is washed and ironed to obtain a finished product after the processes of flat knitting machine, looping, hand sewing and inspection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The preparation method of the lasting elastic woolen sweater made of the modified polyester composite filaments is characterized by comprising the following steps:
s1: selecting modified PET and PBT polyester composite filaments: respectively putting PET slices with the viscosity of 0.4-0.8 and PBT slices with the viscosity of 0.8-1.4 into corresponding different melting box bodies, conveying the PET slices to spinneret plates through respective spinning channels, and extruding in parallel to obtain composite white yarns and wool or wool blended spun yarns, wherein the composite ratio is 30/70-70/30;
s2: spinning: spinning and doubling the composite white filament and wool or wool blended spun yarn in the step S1 through Sirofil of single or double filaments, and twisting to obtain yarn, wherein the twist coefficient is controlled to be 90;
s3: dyeing: carrying out pretreatment and hank dyeing on the yarn obtained in the step S2, wherein the pretreatment temperature is not lower than 90 ℃, and the hank dyeing is carried out by using reactive dye at the temperature of 100 ℃ for 80 min;
s4: weaving: and (5) obtaining the yarn by S3, and washing and ironing the yarn by water finally after the yarn passes through the processes of flat knitting machine, looping, hand sewing and inspection.
2. The method of claim 1, wherein: the fineness of the modified PET and PBT polyester composite filament is within the range of 33dtex-330dtex, and the strength is not lower than 2.0 cN/dtex.
3. The method of claim 1, wherein: the proportion of the composite white silk and wool or wool blended spun yarn in the S2 is 80/20-10/90.
4. The method of claim 1, wherein: s3 may also be a two-step one-bath process, dyeing polyester first and then dyeing wool.
5. A durable elastic woolen sweater made of modified polyester composite filaments is characterized in that the preparation method of any one of claims 1 to 4 is adopted, and the preparation method comprises the steps of performing a hank dyeing process on a composite yarn formed by coating, doubling and twisting low-temperature dyeable modified PET and PBT polyester composite filaments and wool or wool blended spun yarns, and performing pretreatment and reactive dye dyeing to color the polyester composite filaments and wool fibers to obtain a wool fabric.
6. The modified polyester composite filament durable elastic woolen sweater according to claim 5, characterized in that: the dyeing temperature of the modified PET is not more than 100 ℃.
7. The modified polyester composite filament durable elastic woolen sweater according to claim 5, characterized in that: the single yarn twist coefficient of the composite yarn formed by the polyester composite filament and the wool or wool blended yarn is 90, and the ply twist coefficient is 78.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111318429.1A CN114016198A (en) | 2021-11-09 | 2021-11-09 | Durable elastic woolen sweater made of modified polyester composite filaments and preparation method of durable elastic woolen sweater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111318429.1A CN114016198A (en) | 2021-11-09 | 2021-11-09 | Durable elastic woolen sweater made of modified polyester composite filaments and preparation method of durable elastic woolen sweater |
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| CN114016198A true CN114016198A (en) | 2022-02-08 |
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| CN202111318429.1A Pending CN114016198A (en) | 2021-11-09 | 2021-11-09 | Durable elastic woolen sweater made of modified polyester composite filaments and preparation method of durable elastic woolen sweater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592255A (en) * | 2022-03-09 | 2022-06-07 | 舟山欣欣化纤有限公司 | Preparation method of low-temperature dyeable composite elastic fiber |
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|---|---|---|---|---|
| CN114592255A (en) * | 2022-03-09 | 2022-06-07 | 舟山欣欣化纤有限公司 | Preparation method of low-temperature dyeable composite elastic fiber |
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