CN112981634A - Plant dye dyed polylactic acid fiber dyed yarn with bacteriostatic function and processing method of fabric thereof - Google Patents
Plant dye dyed polylactic acid fiber dyed yarn with bacteriostatic function and processing method of fabric thereof Download PDFInfo
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- CN112981634A CN112981634A CN201911284648.5A CN201911284648A CN112981634A CN 112981634 A CN112981634 A CN 112981634A CN 201911284648 A CN201911284648 A CN 201911284648A CN 112981634 A CN112981634 A CN 112981634A
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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
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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
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/449—Yarns or threads with antibacterial properties
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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
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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
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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- 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
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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- 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
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
- D06M13/2243—Mono-, di-, or triglycerides
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/507—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
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- 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
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
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- 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
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
-
- 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
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
- D10B2201/24—Viscose
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- 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
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- 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
- D10B2211/04—Silk
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- 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)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The polylactic acid fiber is blended with one or two kinds of colored fibers such as hydrophilic bleached cotton, tencel, modal, viscose, mercerized wool or shrink-proof wool, tussah silk and the like dyed by plant dye and natural fibers of natural materials such as cotton and the like according to a certain proportion, and the plant dye dyed polylactic acid fiber dyed yarn with the antibacterial function is prepared in a compact spinning or siro compact spinning mode, so that the polylactic acid fiber is prevented from being dyed, the influence of difficult dyeing and high-temperature dyeing of the polylactic acid fiber on the performance of the polylactic acid fiber is avoided, and the antibacterial effect of the polylactic acid fiber is improved. The plant dye dyed polylactic acid fabric prepared by washing and finishing the plant dye dyed polylactic acid fiber dyed yarns with the bacteriostatic function at a special low temperature has good hand feeling, good hydrophilicity and standard color fastness, avoids the influence of high temperature on the performance of polylactic acid, and keeps the bacteriostatic effect of the plant dyed polylactic acid dyed yarns and the fabric.
Description
Technical Field
The invention relates to the field of textiles. In particular to a method for producing colored spun yarns and fabrics thereof by adopting compact spinning and siro compact spinning of cotton, tencel, modal, viscose, mercerized or shrinkproof wool, tussah silk and the like dyed by vegetable dyes and polylactic acid fibers.
Background
The raw material of the polylactic acid fiber is mainly derived from corn starch, has the functions of bacteriostasis, mite prevention, hydrophilicity, ventilation, skin friendliness and the like, can be automatically degraded, is a safe and environment-friendly novel textile raw material, and has the characteristics of poor heat resistance and difficult dyeing. The heat generated by the spinning equipment running at high speed can melt the polylactic acid fiber and adhere to the card clothing, thereby not only reducing the production efficiency and increasing the fiber loss, but also damaging the card clothing and greatly improving the spinning cost. And the polylactic acid fiber dyed at high temperature has crisp and hard hand feeling and the strength is reduced by more than 50 percent. Therefore, the novel textile raw material cannot be applied to the fields of yarns, fabrics and clothes in batches at present.
By adopting the plant dye dyed polylactic acid fiber dyed yarn with the antibacterial function and the processing method of the fabric thereof, the polylactic acid fiber is not dyed, the fabric adopts a special low-temperature washing finishing processing mode, the adverse effect of high temperature on the performance of the fabric is avoided in the spinning and fabric processing links, the functions of bacteriostasis, mite prevention, ventilation and skin friendliness of the fabric can be fully exerted, and the problem that the polylactic acid fiber cannot be applied to the fields of yarn, fabric and clothes in batches is solved.
Disclosure of Invention
The invention aims to provide a plant dye dyed polylactic acid fiber dyed yarn with an antibacterial function and a processing method of a fabric thereof. The polylactic acid fiber is used as a novel textile material, has the functions of bacteriostasis, mite prevention, skin friendliness, ventilation and the like, has poor heat resistance and is not easy to dye. In the spinning link, the polylactic acid fiber is melted and attached to the card clothing by the heat generated by the equipment running at high speed, so that the production efficiency is reduced, the fiber loss is increased, the card clothing is damaged, and the spinning cost is greatly improved; after high-temperature dyeing and finishing by petrochemical dyes, the polylactic acid has crisp and hard hand feeling and the strength is reduced by more than 50 percent. The plant-dyed polylactic acid dyed colored spun yarns are prepared by blending hydrophilic bleached cotton, tencel, modal, mercerized wool or shrink-proof wool, tussah silk and other fibers dyed by plant dyes with polylactic acid fibers, so that the polylactic acid fibers are prevented from being dyed and high-temperature damage in the dyeing process is avoided. Meanwhile, the antibacterial performance of the dyed yarn and fabric can be improved after hydrophilic bleached cotton, tencel, modal, mercerized wool or shrink-proof wool, tussah silk and the like dyed by vegetable dye are blended with polylactic acid fiber.
The plant dye with the antibacterial function is adopted to dye the polylactic acid fiber dyed yarns to weave the dyed fabric, and a special low-temperature washing mode is adopted in the finishing link, so that the influence of high temperature on the performance of polylactic acid is avoided again without high-temperature processing.
In order to achieve the purpose, the invention adopts the following technical scheme:
1. the fiber components of the plant dye dyed polylactic acid fiber dyed yarns with the bacteriostatic function are as follows according to the weight ratio: the polylactic acid fiber accounts for 20-70%, one or two colored fibers of hydrophilic bleached cotton, tencel, modal, viscose, mercerized wool or shrink-proof wool, tussah silk and the like dyed by vegetable dye account for 40-3%, and the rest 40-27% is one or two natural-color fibers of hydrophilic bleached cotton or tencel, modal, viscose, mercerized wool or shrink-proof wool.
Plant dye dyed polylactic acid fiber dyed yarn with bacteriostasis function is produced through compact spinning and siro compact spinning
In order to make the antibacterial performance of the polylactic acid fiber dyed yarns more outstanding, the inventor finds that the antibacterial performance of the dyed yarns and fabrics of the polylactic acid fiber dyed yarns and the polylactic acid fiber dyed yarns is obviously higher than that of the dyed yarns and fabrics blended with the chemically dyed fibers by blending one or more colored fibers of hydrophilic bleached cotton, tencel, modal, mercerized wool, shrink-proof wool, tussah silk and the like according to a certain proportion.
2. Adopt plant dyestuff dyeing polylactic acid fibre look textile yarn that possesses antibacterial function to weave yarn dyed fabric, use special low temperature washing arrangement mode, specifically include: in the after-finishing process, 1-3 g/l of oil removing agent PO (calculated by weight relative to water) is added, and the operation is carried out for 20-40 minutes at the temperature of 60-95 ℃; after washing, adding 1-5 g/l of hydrophilic softening agent (calculated by weight relative to water) and 2-3 g/l of natural color fixing agent FCG (calculated by weight relative to water), and operating at 55-75 ℃ for 20-30 minutes; drying and shaping at the low temperature of 90-110 ℃ after dehydration.
The preparation method of the hydrophilic softening agent comprises the following steps: sequentially adding the following components in parts by weight into a stainless steel reaction kettle: 5-15 parts of monoglyceride, 10-40 parts of polyester polyether, 1-5 parts of water-soluble chitosan, 5-10 parts of a non-ionic emulsifier and 79-30 parts of purified water, starting a stirrer, stirring at the rotating speed of 150-300 revolutions per minute at 60 ℃ for 30-60 minutes, cooling and discharging.
Through multiple tests, the inventor finds that the finished fabric processed by the hydrophilic softening agent has soft, smooth and flat hand feeling and better hydrophilic performance, and has no influence on the bacteriostatic performance, the color and the color fastness of the polylactic acid fiber dyed knitted fabric dyed by vegetable dye.
Compared with the prior art, the invention has the beneficial effects that: the processing method of the plant dye dyed polylactic acid fiber dyed yarn and the fabric thereof with the antibacterial function adopts one or more colored fibers of hydrophilic bleached cotton, tencel, Modal, mercerized wool, shrink-proof wool, tussah silk and the like dyed by the plant dye to be blended with the polylactic acid fiber according to a certain proportion to prepare the dyed yarn and the fabric, adopts a special low-temperature washing mode in the fabric after-finishing, solves the problem of damage of dyeing high temperature to the performance of the polylactic acid fiber, and simultaneously improves the antibacterial performance of the polylactic acid blended yarn-dyed yarn and the fabric, so that the novel textile raw material of polylactic acid can be applied to the field of textile and clothing.
Detailed Description
The present invention will be described in detail with reference to examples, but the scope of the present invention is not limited to the examples described below.
The first embodiment is as follows:
according to the weight percentage, 35 percent of polylactic acid fiber, 20 percent of plant dyeing bleached cotton and 45 percent of bleached cotton are tightly spun into the plant dye dyeing polylactic acid fiber blended colored spun yarn.
The plant dye is used for dyeing polylactic acid fiber dyed yarns to weave dyed yarn knitted fabrics.
The plant dye dyed polylactic acid dyed spinning knitted fabric after-finishing adopts the following low-temperature oil removal washing mode and steps: adding 3g/l of degreasing agent PO (calculated by weight relative to water), and operating at 90 ℃ for 30 minutes; after oil removal, 3g/l of hydrophilic softening agent (calculated by weight relative to water) and 2g/l of natural color fixing agent FCG (calculated by weight relative to water) are added, and the mixture is operated for 30 minutes at 70 ℃; drying and shaping at 105 ℃ after dehydration.
The preparation method of the hydrophilic softening agent comprises the following steps: sequentially adding the following components in parts by weight into a stainless steel reaction kettle: 10% of monoglyceride, 40% of polyester polyether, 1% of water-soluble chitosan, 10% of nonionic emulsifier and 39% of purified water, starting a stirrer, stirring at the rotating speed of 200 rpm at 60 ℃ for 60 minutes, cooling and discharging.
The indexes of the plant-dyed polylactic acid fiber blended yarn-dyed fabric processed by the process, such as color fastness, and the like, meet the GB18401-2010 standard. The processed dyed yarns and finished yarn-dyed fabrics have good bacteriostatic effects on staphylococcus aureus, candida albicans and escherichia coli.
Example two
According to the weight percentage, 30 percent of polylactic acid fiber, 20 percent of plant dyed tencel and 50 percent of tencel are tightly spun into the plant dye dyed polylactic acid fiber blended colored spun yarn.
The blended color spun yarns of the polylactic acid fibers dyed by the vegetable dye are plied and then woven into the tatted yarn-dyed fabric without pulp. The after-finishing processing method of the yarn-dyed fabric comprises the following steps: adding 1g/l of degreasing agent PO (calculated by weight relative to water), and operating at 85 ℃ for 30 minutes; after oil removal, 3g/l of hydrophilic softening agent (calculated by weight relative to water) and 2g/l of natural color fixing agent FCG (calculated by weight relative to water) are added, and the mixture is operated for 30 minutes at 70 ℃; drying and shaping at low temperature of 100 ℃ after dehydration.
The preparation method of the hydrophilic softening agent comprises the following steps: sequentially adding the following components in parts by weight into a stainless steel reaction kettle: 10% of monoglyceride, 40% of polyester polyether, 1% of water-soluble chitosan, 10% of nonionic emulsifier and 39% of purified water, starting a stirrer, stirring at the rotating speed of 200 rpm at 60 ℃ for 60 minutes, cooling and discharging.
The indexes of the plant-dyed polylactic acid fiber blended yarn-dyed fabric processed by the process, such as color fastness, and the like, meet the GB18401-2010 standard, and the fabric has good glossiness, soft and smooth hand feeling and good hydrophilicity. The finished products of the processed spun-dyed yarns and the yarn-dyed fabrics adopt GB/T20944.3-2008 textiles/evaluation of antibacterial performance/the third part, namely oscillation detection, the bacteriostasis rate of staphylococcus aureus reaches 91%, and the bacteriostasis rate of candida albicans reaches 90%.
EXAMPLE III
According to the weight percentage, 60 percent of polylactic acid fiber, 20 percent of mercerized wool and 20 percent of shrink-proof wool are spun into the plant dye dyed polylactic acid fiber blended colored spun yarn by adopting semi-worsted spinning.
The blended color spun yarn of the polylactic acid fiber dyed by the vegetable dye is woven into the sweater by a flat knitting machine. The woven plant dye dyed polylactic acid fiber blended color spun yarn sweater is subjected to after-finishing processing by adopting a low-temperature oil removal washing mode: adding 3g/l of degreasing agent PO (calculated by weight relative to water), and operating at 75 ℃ for 30 minutes; after oil removal, 5g/l of hydrophilic softening agent (calculated by weight relative to water) and 2g/l of natural color fixing agent FCG (calculated by weight relative to water) are added, and the mixture is operated for 30 minutes at 70 ℃; drying and shaping at the low temperature of 90 ℃ after dehydration.
The preparation method of the hydrophilic softening agent comprises the following steps: sequentially adding the following components in parts by weight into a stainless steel reaction kettle: 10% of monoglyceride, 40% of polyester polyether, 1% of water-soluble chitosan, 10% of nonionic emulsifier and 39% of purified water, starting a stirrer, stirring at the rotating speed of 200 rpm at 60 ℃ for 60 minutes, cooling and discharging.
The processed plant dye dyed polylactic acid fiber blended sweater has soft and fluffy hand feeling, good hydrophilicity, color fastness and other indexes meeting the GB18401-2010 standard and has good antibacterial effect.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The plant dye dyed polylactic acid fiber dyed yarn with the bacteriostatic function is characterized by comprising the following components in parts by weight: the polylactic acid fiber accounts for 20-70%, one or two colored fibers of hydrophilic bleached cotton, tencel, modal, viscose, mercerized or shrink-proof wool, tussah silk and the like dyed by vegetable dye account for 40-3%, and the rest 40-27% is one or two natural-color fibers of hydrophilic bleached cotton or tencel, modal, viscose, mercerized or shrink-proof wool.
2. The plant dye dyed polylactic acid fiber dyed yarn with the bacteriostatic function according to claim 1, which is produced by adopting a compact spinning mode and a siro compact spinning mode.
3. The processing method of the plant dye dyed polylactic acid fiber dyed yarn with the bacteriostatic function and the fabric thereof according to claim 1 or 2, wherein the low-temperature oil removal washing mode is adopted for the after-finishing of the plant dye dyed polylactic acid dyed fabric with the bacteriostatic function, and the method specifically comprises the following steps: in the after-finishing process, 1-3 g/l of degreasing agent PO (calculated by weight relative to water) is added, and the operation is carried out for 20-40 minutes at the temperature of 60-95 ℃; after washing, adding 1-5 g/l of hydrophilic softening agent (calculated by weight relative to water) and 2-3 g/l of natural color fixing agent FCG (calculated by weight relative to water), and operating at 55-75 ℃ for 20-30 minutes; drying and shaping at the low temperature of 90-110 ℃ after dehydration.
4. The processing method of the plant dye dyed polylactic acid fiber dyed yarn with the bacteriostatic function and the fabric thereof according to claim 3 is characterized in that the preparation method of the hydrophilic softening agent comprises the following steps: sequentially adding the following components in parts by weight into a stainless steel reaction kettle: 5-15 parts of monoglyceride, 10-40 parts of polyester polyether, 1-5 parts of water-soluble chitosan, 5-10 parts of a non-ionic emulsifier and 79-30 parts of purified water, starting a stirrer, stirring at the rotating speed of 150-300 revolutions per minute for 30-60 minutes at 60 ℃, cooling and discharging.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818115A (en) * | 2021-08-26 | 2021-12-21 | 润益（嘉兴）新材料有限公司 | Domestic animal hair and down and domestic polylactic acid fiber blended yarn and semi-worsted production process |
| CN114635209A (en) * | 2022-03-21 | 2022-06-17 | 浙江纺织服装职业技术学院 | Spun yarn compounded by fine wool fiber and polylactic acid fiber and preparation method thereof |
| WO2023020338A1 (en) * | 2021-08-18 | 2023-02-23 | 江苏集萃先进纤维材料研究所有限公司 | Preparation method for polylactic acid plant dye color master batch |
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