CN114635208A - Terylene/sea-island fiber non-elastic core-spun yarn and fabric thereof - Google Patents

Terylene/sea-island fiber non-elastic core-spun yarn and fabric thereof Download PDF

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Publication number
CN114635208A
CN114635208A CN202210239381.3A CN202210239381A CN114635208A CN 114635208 A CN114635208 A CN 114635208A CN 202210239381 A CN202210239381 A CN 202210239381A CN 114635208 A CN114635208 A CN 114635208A
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sea
island
yarn
core
spun yarn
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CN114635208B (en
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宫怀瑞
徐良平
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Luolai Lifestyle Technology Co Ltd
Shanghai Luolai Lifestyle Technology Co Ltd
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Luolai Lifestyle Technology Co Ltd
Shanghai Luolai Lifestyle Technology Co Ltd
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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
    • D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
    • 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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
    • 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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D01F1/103—Agents inhibiting growth of microorganisms
    • 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
    • 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
    • D02G3/36—Cored or coated yarns or threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/292—Conjugate, i.e. bi- or multicomponent, fibres or filaments
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
    • 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
    • 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
    • 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
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
    • 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
    • D06M13/12—Aldehydes; Ketones
    • D06M13/123—Polyaldehydes; Polyketones
    • 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
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
    • 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
    • D06M15/13—Alginic acid or derivatives thereof
    • 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
    • D06M15/15—Proteins or derivatives thereof
    • 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
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Multicomponent Fibers (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention relates to the technical field of textiles and discloses a terylene/sea-island fiber non-elastic core-spun yarn and a fabric thereof. The polyester/sea-island fiber non-elastic core-spun yarn comprises a core filament and a coating fiber, wherein the core filament is an FDY polyester filament, the coating fiber is a sea-island fiber, and the preparation method of the sea-island fiber comprises the following steps: 1) preparing island phase functional master batches by melting and blending the island components and the zinc oxide @ graphene nano composite particles; 2) mixing the sea component and the island phase functional master batch, and then carrying out melt blending spinning to prepare sea island precursor; 3) oiling, stretching, curling, drying and cutting off the sea-island protofilaments to obtain sea-island thick filaments; 4) and (3) splitting the sea-island coarse filaments to obtain the sea-island fibers. According to the invention, the sea-island fiber contains the zinc oxide @ graphene nano composite particles, so that the hygroscopicity of the core-spun yarn can be effectively improved, the core-spun yarn can be endowed with a good antibacterial function, the use safety of the fabric is improved, and the fabric is soft and comfortable in hand feeling.

Description

Terylene/sea-island fiber non-elastic core-spun yarn and fabric thereof
Technical Field
The invention relates to the technical field of textiles, in particular to a terylene/sea-island fiber non-elastic core-spun yarn and a fabric thereof.
Background
The core spun yarn, also called composite yarn or covered yarn, is a yarn made of two or more kinds of fibers. It is made up by using synthetic fibre filament as core filament and using short fibre as external cover through the processes of twisting and spinning, and possesses the excellent properties of synthetic fibre filament and short fibre. The polyester filament has the characteristics of high strength, good heat resistance and good wear resistance, and therefore is often used as a core yarn of the core-spun yarn. However, the moisture absorption of the polyester filament yarn is poor, and the official moisture regain is only about 0.4%, so that the polyester textile has stuffy feeling during use and is easy to carry static electricity, so that the polyester textile is close to the skin and uncomfortable to wear.
In order to improve the moisture absorption of the polyester filament, the polyester filament can be subjected to physical modification, and the polyester filament can also be subjected to chemical modification. The physical modification refers to selecting short fibers with high hygroscopicity to wrap polyester filaments, for example, selecting cotton fibers to wrap the polyester filaments, so as to obtain covering yarns with good hygroscopicity; the chemical modification means that hydrophilic groups are introduced by adopting a graft copolymerization method, so that the moisture absorption of the polyester filament is directly improved. However, in the physical modification method, cotton fibers are natural fibers and are easily affected by microorganisms to deteriorate and yellow, and other short fibers such as wool have higher cost; among chemical modification methods, the method of graft copolymerization also has a problem of high cost.
Disclosure of Invention
In view of the above-mentioned disadvantages of the prior art, the present invention is to provide a polyester/sea-island fiber non-elastic core-spun yarn and a fabric thereof, which are used to solve the problems of high cost and easy deterioration caused by the influence of microorganisms in improving the moisture absorption of the core-spun yarn using polyester filament as core filament in the prior art.
In order to achieve the above and other related objects, the present invention provides a polyester/sea-island fiber non-elastic core-spun yarn, comprising a core filament and a covering fiber, wherein the core filament is an FDY polyester filament, the covering fiber is a sea-island fiber, and the preparation method of the sea-island fiber comprises the following steps:
s1, preparing island phase functional master batches: mixing the island component and the zinc oxide @ graphene nano composite particles, then carrying out melt blending under the action of ultrasonic waves and microwaves, extruding and granulating to obtain island phase functional master batches;
s2, preparing sea-island precursor: mixing the sea component with the island phase functional master batch in the step S1, and then carrying out melt blending spinning to obtain sea island precursor;
s3, preparing sea-island thick silk: oiling, stretching, curling, drying and cutting the sea-island precursor in the step S2 to obtain a sea-island coarse filament;
s4, preparing the sea-island fiber: the sea-island thick filaments in step S3 are subjected to a splitting treatment to obtain sea-island fibers.
Optionally, the preparation method of the zinc oxide @ graphene nanocomposite particle in the step S1 is as follows: adding graphite oxide into ethylene glycol, performing ultrasonic treatment to obtain graphite oxide dispersion liquid, adding zinc acetate into the ethylene glycol, performing ultrasonic treatment to obtain a zinc acetate solution, adding the zinc acetate solution into the graphite oxide dispersion liquid, uniformly stirring, adding alkali liquor to adjust the pH value to 8.5-9, stirring for 30-40 min, adding hydrazine hydrate, performing hydrothermal reaction at 155-165 ℃ for more than 24h, performing suction filtration, taking a filter cake, washing, performing vacuum drying at 60-65 ℃ for 12-13 h, and grinding for later use.
Optionally, in the preparation method of the zinc oxide @ graphene nanocomposite particles, when zinc acetate is added into ethylene glycol, cobalt acetate is added at the same time, a zinc acetate/cobalt acetate mixed solution is obtained through ultrasound, and the zinc acetate/cobalt acetate mixed solution is added into the graphite oxide dispersion liquid and stirred uniformly.
Optionally, in the preparation method of the zinc oxide @ graphene nanocomposite particle, the mass ratio of the graphite oxide to the zinc acetate is 2.5-3.5: 1000.
Optionally, in the preparation method of the zinc oxide @ graphene nanocomposite particle, the mass ratio of the graphite oxide to the hydrazine hydrate is 10: 7-10.
Optionally, in the preparation method of the zinc oxide @ graphene nanocomposite particle, the molar ratio of zinc to cobalt is 1: 0.005-0.009.
Optionally, the core yarn is modified FDY polyester filament yarn, and the modified FDY polyester filament yarn is obtained by modifying FDY polyester filament yarn through viscose.
Optionally, the preparation method of the modified FDY polyester filament comprises a modification step, wherein in the modification step, the FDY polyester filament is immersed in a modification liquid, and the modification liquid comprises the following components by mass: 1.5-3.0% of sericin powder, 0.6-1.5% of cross-linking agent and the balance of water.
Optionally, in the modification step, the soaking temperature of the FDY polyester filament is 50-65 ℃, and the soaking time is 60-75 min.
Optionally, in the modification step, the modification solution comprises the following components by mass: 1.5-3.0% of sericin powder, 1.0-1.5% of sodium alginate, 0.6-1.5% of a cross-linking agent and the balance of water.
Optionally, the preparation method of the modified FDY polyester filament yarn further comprises a pretreatment step, wherein in the pretreatment step, the FDY polyester filament yarn is soaked in a pretreatment solution, the pretreatment solution contains sodium hydroxide and a surfactant, the concentration of the sodium hydroxide is 3.5-4.5 g/L, and the concentration of the surfactant is 2.5-3.5 g/L; the soaking temperature of the FDY polyester filament is 75-80 ℃, and the soaking time is 30-45 min.
The invention also provides a fabric woven by the terylene/sea-island fiber non-elastic core-spun yarn.
As mentioned above, the terylene/sea-island fiber non-elastic core-spun yarn and the fabric thereof have the following beneficial effects:
1. in the invention, the FDY polyester filament is used as the core filament, the sea-island fiber is used as the cladding fiber, and the FDY polyester filament has no elasticity, and the sea-island fiber has very fine fineness after fiber splitting treatment and belongs to superfine fiber, so that the non-elastic core-spun yarn can be obtained by the invention, and the fabric woven by the core-spun yarn is soft and comfortable in hand feeling. In addition, the sea-island fiber contains the zinc oxide @ graphene nano composite particles, and the zinc oxide @ graphene nano composite particles have excellent antibacterial effect, so that the fabric disclosed by the invention also has a good antibacterial function, and is particularly suitable for being used as a fabric of home textile products or underwear.
2. According to the invention, the zinc oxide @ graphene nano composite particles in the sea-island fibers can also effectively improve the hygroscopicity of the core-spun yarn, so that the hygroscopicity of the fabric is improved, and the antistatic property of the fabric is further improved. The problems of deterioration and yellowing can not occur, and the cost is lower.
3. According to the invention, the FDY polyester filament is modified by the sericin to obtain the modified FDY polyester filament, and the sericin introduces hydrophilic groups into the FDT polyester filament, so that the hygroscopicity of the core yarn is improved, and the hygroscopicity of the core-spun yarn is further improved. And the sericin is derived from a solution generated in the process of extracting fibroin by taking silk as a raw material, and the cost of the sericin is low, so that the modification cost of the FDY polyester filament yarn is low.
4. According to the invention, ultrasonic waves and microwaves are jointly used for acting on the melting and blending process of the island component and the oxidability @ graphene nano composite particles, the oxidability @ graphene nano composite particles can be dispersed in the island component more uniformly by the ultrasonic waves, and the zinc oxide @ graphene nano composite particles can generate high-energy high heat by the microwaves to overcome the van der Waals force between graphene sheets, so that the zinc oxide @ graphene nano composite particles are dispersed more uniformly. Therefore, the zinc oxide @ graphene nano composite particles can be more uniformly dispersed in the island component, so that the mechanical property of the sea-island fiber is improved. In addition, cobalt ions are also doped in the zinc oxide @ graphene nano composite particles, so that the antibacterial property of the zinc oxide @ graphene nano composite particles in a visible light range is improved.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The invention provides a terylene/sea-island fiber non-elastic core-spun yarn, which comprises a core filament and a cladding fiber, wherein the core filament is an FDY terylene filament, the cladding fiber is a sea-island fiber, and the preparation method of the sea-island fiber comprises the following steps;
s1, preparing island phase functional master batches: mixing the island component and the zinc oxide @ graphene nano composite particles, then carrying out melt blending under the action of ultrasonic waves and microwaves, wherein the melt blending temperature is 270-275 ℃, and extruding and granulating to obtain the island phase functional master batch.
Wherein the island component is selected from one of polyester, polyamide and polyacrylonitrile; the power of the ultrasonic wave is 150-170W, the power of the microwave is 120-200W, and the duration of the microwave is 25-30 s.
The mass of the zinc oxide @ graphene nano composite particles is 5-10% of that of the island components, and the particle size of the zinc oxide @ graphene nano composite particles is 20-100 nm.
The preparation method of the zinc oxide @ graphene nano composite particle comprises the following steps: adding graphite oxide into ethylene glycol, performing ultrasonic treatment to obtain graphite oxide dispersion liquid, adding zinc acetate into the ethylene glycol, performing ultrasonic treatment to obtain a zinc acetate solution, adding the zinc acetate solution into the graphite oxide dispersion liquid, uniformly stirring, adding alkali liquor to adjust the pH value to 8.5-9, stirring for 30-40 min, adding hydrazine hydrate, performing hydrothermal reaction at 155-165 ℃ for more than 24h, performing suction filtration, taking a filter cake, washing, performing vacuum drying at 60-65 ℃ for 12-13 h, and grinding for later use. Wherein, the graphite oxide is prepared by taking graphite powder as a raw material and adopting a Hummers method, and the preparation of the graphite oxide by the Hummers method belongs to the technology known by technicians in the field and is not described herein again; the mass ratio of the graphite oxide to the zinc acetate is 2.5-3.5: 1000; the mass ratio of the graphite oxide to the hydrazine hydrate is 10: 7-10; when graphite oxide is subjected to ultrasonic treatment in ethylene glycol, the ultrasonic power is 350-400W, and the ultrasonic treatment time is 1.5-2 h; when zinc acetate is subjected to ultrasonic treatment in ethylene glycol, the ultrasonic power is 300-360W, and the ultrasonic treatment time is 10-30 min.
S2, preparing sea-island precursor: and (4) mixing the sea component with the island phase functional master batch in the step S1, and then carrying out melt blending spinning, wherein the melt blending temperature reaches 272-285 ℃, so as to obtain the sea island precursor.
Wherein the sea component is selected from one of water-soluble polyester, polyethylene, polypropylene, polyvinyl alcohol, polystyrene and acrylate copolymer; the mass ratio of the island phase functional master batch to the sea component is 3: 2-2.5.
S3, preparing sea-island thick silk: and (4) oiling, stretching, curling, drying and cutting the sea-island protofilament in the step S2 to obtain the sea-island coarse filament.
S4, preparing the sea-island fiber: the sea-island thick filaments in step S3 are subjected to a splitting treatment to obtain sea-island fibers.
The fiber opening treatment mode is as follows: soaking the sea island coarse filaments obtained in the step S3 into a fiber opening solution at 40-50 ℃ by taking a sodium hydroxide solution with the concentration of 9-11 g/L as the fiber opening solution, heating to 85-90 ℃, preserving heat for 15-20 min, heating to 105-115 ℃, and preserving heat for 30-45 min; then, cleaning with hot water at the temperature of 75-80 ℃ for 15-20 min, and adding glacial acetic acid for neutralization to enable the pH value of the cleaning solution to reach 6-7; and then drying the mixture at 105-110 ℃ to constant weight.
In another embodiment of the present invention, in the preparation method of zinc oxide @ graphene nanocomposite particles in step S1, when zinc acetate is added to ethylene glycol, cobalt acetate is simultaneously added, a zinc acetate/cobalt acetate mixed solution is obtained by ultrasonic processing, and the zinc acetate/cobalt acetate mixed solution is added to the graphite oxide dispersion liquid and stirred uniformly. Wherein the molar ratio of the zinc to the cobalt is 1: 0.005-0.009.
In another embodiment of the invention, the core yarn is modified FDY polyester filament yarn, and the modified FDY polyester filament yarn is obtained by modifying FDY polyester filament yarn through silk glue. The preparation method of the modified FDY polyester filament yarn comprises a pretreatment step and a modification step, wherein in the pretreatment step, the FDY polyester filament yarn is soaked in a pretreatment solution, the pretreatment solution contains sodium hydroxide and a surfactant, the concentration of the sodium hydroxide is 3.5-4.5 g/L, the concentration of the surfactant is 2.5-3.5 g/L, the soaking temperature of the FDY polyester filament yarn is 75-80 ℃, and the soaking time is 30-45 min.
In the modification step, the FDY polyester filament yarn after the pretreatment step is immersed in a modification liquid, wherein the modification liquid comprises the following components in parts by mass: 1.5-3.0% of sericin powder, 0.6-1.5% of cross-linking agent and the balance of water; the soaking temperature of the FDY polyester filament is 50-65 ℃, and the soaking time is 60-75 min.
In another embodiment of the present invention, in the modification step, the modification liquid includes the following components by mass: 1.5-3.0% of sericin powder, 1.0-1.5% of sodium alginate, 0.6-1.5% of a cross-linking agent and the balance of water.
The invention also provides a fabric woven by the terylene/sea-island fiber non-elastic core-spun yarn.
The present invention will be described in detail below with reference to specific exemplary embodiments. It should also be understood that the following examples are illustrative only and are not to be construed as limiting the scope of the invention, and that numerous insubstantial modifications and adaptations of the invention described above will occur to those skilled in the art. The specific process parameters and the like of the following examples are also only one example of suitable ranges, i.e., those skilled in the art can select the appropriate ranges through the description herein, and are not limited to the specific values exemplified below.
Example 1
The polyester/sea-island fiber non-elastic core-spun yarn in the embodiment comprises a core filament and a coating fiber, wherein the core filament is an FDY polyester filament, the coating fiber is a sea-island fiber, and the preparation method of the sea-island fiber comprises the following steps:
s1, preparing island phase functional master batches: drying the PET master batch (island component) at 120 ℃ until the water content of the PET master batch reaches below 0.4%. And then mixing the PET master batch and the zinc oxide @ graphene nano composite particles, then carrying out mixing extrusion by a double-screw extruder (the melt blending temperature of the double-screw extruder reaches 270 ℃), and cooling and granulating to obtain the island-phase functional master batch. The double-screw extruder is positioned in an ultrasonic field and a microwave field, the ultrasonic power of the ultrasonic field is 170W, the microwave power is 200W, and the microwave duration is 25 s. Wherein the mass of the zinc oxide @ graphene nano composite particles is 5% of that of the PET master batch.
The preparation method of the zinc oxide @ graphene nano composite particle comprises the following steps: adding 30mg of graphite oxide into 20mL of ethylene glycol, and carrying out ultrasonic treatment to obtain a graphite oxide dispersion liquid, wherein the ultrasonic power is 400W, and the ultrasonic treatment time is 2 h. Adding 10g of zinc acetate into 30mL of ethylene glycol, and carrying out ultrasonic treatment to obtain a zinc acetate solution, wherein the ultrasonic power is 360W, and the ultrasonic treatment time is 10 min. And then adding a zinc acetate solution into the graphite oxide dispersion liquid, uniformly stirring, adding a sodium hydroxide solution to adjust the pH value to 9, stirring for 30min, adding 21mg of hydrazine hydrate, carrying out hydrothermal reaction at 160 ℃ for 24h, carrying out suction filtration after the reaction is finished, taking a filter cake, washing with deionized water and ethanol, carrying out vacuum drying at 60 ℃ for 12h, and grinding for later use, wherein the particle size of the obtained zinc oxide @ graphene nano composite particles is 20-100 nm.
S2, preparing sea-island precursor: and (3) drying the water-soluble polyester (sea component) at 120 ℃ for 5h, and carrying out melt blending spinning on the water-soluble polyester and the island phase functional master batch in the step S1 on a double-screw extruder according to the mass ratio of 2:3 (the melt blending temperature of the double-screw extruder reaches 280 ℃) to obtain the sea-island precursor.
S3, preparing sea-island thick silk: and (4) oiling, stretching, curling, drying and cutting the sea-island precursor in the step S2 to obtain the sea-island coarse yarn.
S4, preparing the sea-island fiber: the sea-island thick filaments in step S3 are subjected to a splitting treatment to obtain sea-island fibers.
The opening treatment mode of the sea-island thick silk is as follows: soaking the sea island coarse filaments in the step S3 into a fiber opening solution at 45 ℃ by taking a sodium hydroxide solution with the concentration of 10g/L as the fiber opening solution, heating to 85 ℃, keeping the temperature for 15min, heating to 110 ℃, and keeping the temperature for 30 min; then, cleaning with hot water at the temperature of 75 ℃ for 20min, and adding glacial acetic acid for neutralization to enable the pH value of the cleaning solution to reach 6-7; then drying at 110 ℃ to constant weight to obtain the sea-island fiber.
That is, the polyester/sea-island fiber non-elastic core-spun yarn in this embodiment is spun by using FDY polyester filament as a core yarn and the sea-island fiber in the above step S4 as a covering fiber.
Example 2
This embodiment differs from embodiment 1 only in that: in this embodiment, in the preparation method of zinc oxide @ graphene nanocomposite particles in step S1, when zinc acetate is added to ethylene glycol, cobalt acetate is simultaneously added, ultrasound is performed to obtain a zinc acetate/cobalt acetate mixed solution, and the zinc acetate/cobalt acetate mixed solution is added to the graphite oxide dispersion liquid and uniformly stirred, so as to obtain the zinc oxide @ graphene nanocomposite particles doped with cobalt ions. Wherein the molar ratio of the zinc to the cobalt is 1: 0.007.
Example 3
This embodiment differs from embodiment 2 only in that: in the embodiment, the core yarn is modified FDY polyester filament yarn, and the modified FDY polyester filament yarn is obtained by modifying FDY polyester filament yarn through yarn glue. Specifically, the preparation method of the modified FDY polyester filament comprises a pretreatment step and a modification step.
In the pretreatment step, the FDY polyester filament yarns are soaked in pretreatment liquid, the pretreatment liquid contains sodium hydroxide and a surfactant, the concentration of the sodium hydroxide is 4.0g/L, the concentration of the surfactant is 3.0g/L, the soaking temperature of the FDY polyester filament yarns is 80 ℃, and the soaking time is 35 min. In this example, the surfactant is a 1227 surfactant.
In the modification step, the FDY polyester filament yarn after the pretreatment step is immersed in a modification liquid, wherein the modification liquid comprises the following components in parts by mass: 3.0% of sericin powder, 1.5% of a cross-linking agent and the balance of water; the soaking temperature of the FDY polyester filament is 50 ℃, and the soaking time is 60 min. Wherein the cross-linking agent is glutaraldehyde.
Example 4
This embodiment differs from embodiment 3 only in that: in this example, the modification solution comprises the following components by mass: sericin powder 3.0%, sodium alginate 1.5%, cross-linking agent 1.5% and water in balance.
Example 5
This embodiment differs from embodiment 1 only in that: the mass of the zinc oxide @ graphene nano composite particles is 10% of that of the PET master batch.
Comparative example 1
This comparative example differs from example 1 in that: in the comparative example, the PET master batch is used as the island component, the water-soluble polyester is used as the sea component, the ordinary sea-island fiber is prepared according to the steps S2-S4 in the example 1, and then the ordinary sea-island fiber is used as the covering fiber to be covered on the FDY polyester filament yarn for spinning to obtain the ordinary covering yarn, and the spinning process of the ordinary covering yarn is the same as that of the polyester/sea-island fiber non-elastic covering yarn in the example 1.
Preparing the core-spun yarns obtained in the examples 1-5 and the comparative example 1 into fabrics according to the same weaving process, and performing a moisture regain test on the fabrics in the examples 1-5 and the comparative example 1 according to a GB/T9995-1997 determination oven drying method for the water content and the moisture regain of the textile material; meanwhile, according to the evaluation part 3 of the antibacterial performance of the textile in GB/T20994.3-2008: and (3) performing antibacterial property test on the fabrics in the implementation 1-5 and the comparative example 1 by using an oscillation method, and testing the antibacterial rate of the fabric after washing for 20 times by using a washing fastness testing machine. The results are shown in Table 1.
In addition, the fabrics in example 3 and example 4 were hand-washed, and after each hand-washing and air-drying, the dissolution rate was calculated as (fabric mass before washing-fabric mass after washing)/fabric mass before washing. The results are shown in Table 2.
TABLE 1 moisture regain and bacteriostatic rate of the face fabric in each example and comparative example
Figure BDA0003543715680000081
(note: the bacteriostasis rate to staphylococcus aureus and colibacillus is more than or equal to 70 percent, or the bacteriostasis rate to candida albicans is more than or equal to 60 percent, and the sample has antibacterial effect)
TABLE 2 dissolution loss of the fabrics in the examples
Figure BDA0003543715680000082
As can be seen from Table 1, the moisture regain of the examples 1 to 5 is far greater than that of the comparative example 1, which shows that the moisture absorption of the core-spun yarn can be remarkably improved and the antistatic property of the fabric can be improved. In addition, the bacteriostatic rates of the examples 1-5 are far greater than that of the comparative example 1, which shows that the core-spun yarn provided by the invention can also endow the core-spun yarn with an antibacterial function, improves the use safety of the fabric, and is particularly suitable for being used as the fabric for cutting underwear.
Moreover, compared with example 3, in example 4, the moisture regain and the bacteriostatic rate of example 4 are higher, which shows that the moisture absorption of the core-spun yarn can be effectively improved after the FDY polyester filaments are modified by the viscose, and the FDY polyester filaments are helpful to the antibacterial performance.
In addition, as can be seen from table 2, the FDY polyester filament yarn modified by the modification solution containing sodium alginate and sericin has a lower loss rate, and more quickly reaches a loss rate of about 1.5%, so that the loss of sericin is reduced, and the duration that the fabric has better hygroscopicity and bacteriostatic rate is prolonged.
In conclusion, the fabric woven by the terylene/sea-island fiber non-elastic core-spun yarn has good hygroscopicity, antistatic property and antibacterial property, and the sea-island fiber after fiber splitting treatment is fine and soft, so that the fabric is soft and comfortable in hand feeling, and is particularly suitable for tailoring underwear.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. Dacron/sea-island fiber non-elasticity covering yarn comprises core yarn and cladding fiber, and is characterized in that: the core yarn is FDY polyester filament yarn, the cladding fiber is sea-island fiber, and the preparation method of the sea-island fiber comprises the following steps:
s1, preparing island phase functional master batches: mixing the island component and the zinc oxide @ graphene nano composite particles, then carrying out melt blending under the action of ultrasonic waves and microwaves, extruding and granulating to obtain island phase functional master batches;
s2, preparing sea-island precursor: mixing the sea component with the island phase functional master batch in the step S1, and then carrying out melt blending spinning to obtain sea island precursor;
s3, preparing sea-island coarse filaments: oiling, stretching, curling, drying and cutting the sea-island precursor in the step S2 to obtain a sea-island coarse filament;
s4, preparing the sea-island fiber: the sea-island thick filaments in step S3 are subjected to a splitting treatment to obtain sea-island fibers.
2. The polyester/sea-island fiber non-elastic core-spun yarn according to claim 1, wherein: the preparation method of the zinc oxide @ graphene nanocomposite particle in the step S1 is as follows: adding graphite oxide into ethylene glycol, performing ultrasonic treatment to obtain graphite oxide dispersion liquid, adding zinc acetate into the ethylene glycol, performing ultrasonic treatment to obtain a zinc acetate solution, adding the zinc acetate solution into the graphite oxide dispersion liquid, uniformly stirring, adding alkali liquor to adjust the pH value to 8.5-9, stirring for 30-40 min, adding hydrazine hydrate, performing hydrothermal reaction at 155-165 ℃ for more than 24h, performing suction filtration, taking a filter cake, washing, performing vacuum drying at 60-65 ℃ for 12-13 h, and grinding for later use.
3. The terylene/sea-island fiber non-elastic core-spun yarn of claim 2, which is characterized in that: in the preparation method of the zinc oxide @ graphene nano composite particles, when zinc acetate is added into ethylene glycol, cobalt acetate is added at the same time, a zinc acetate/cobalt acetate mixed solution is obtained through ultrasonic treatment, and the zinc acetate/cobalt acetate mixed solution is added into a graphite oxide dispersion liquid and stirred uniformly.
4. The terylene/sea-island fiber non-elastic core-spun yarn of claim 2, which is characterized in that: in the preparation method of the zinc oxide @ graphene nano composite particles, the mass ratio of graphite oxide to zinc acetate is 2.5-3.5: 1000;
and/or in the preparation method of the zinc oxide @ graphene nano composite particles, the mass ratio of the graphite oxide to the hydrazine hydrate is 10: 7-10.
5. The terylene/sea-island fiber non-elastic core-spun yarn of claim 3, wherein: in the preparation method of the zinc oxide @ graphene nano composite particles, the molar ratio of zinc to cobalt is 1: 0.005-0.009.
6. The polyester/sea-island fiber non-elastic core-spun yarn according to claim 1, wherein: the core yarn is modified FDY polyester filament yarn, and the modified FDY polyester filament yarn is obtained by modifying FDY polyester filament yarn through yarn glue.
7. The terylene/sea-island fiber non-elastic core-spun yarn of claim 6, wherein: the preparation method of the modified FDY polyester filament yarn comprises a modification step, wherein in the modification step, the FDY polyester filament yarn is immersed in a modification liquid, and the modification liquid comprises the following components in parts by mass: 1.5-3.0% of sericin powder, 0.6-1.5% of a cross-linking agent and the balance of water.
8. The polyester/sea-island fiber non-elastic core-spun yarn according to claim 7, wherein: in the modification step, the soaking temperature of the FDY polyester filament is 50-65 ℃, and the soaking time is 60-75 min;
and/or in the modification step, the modification liquid comprises the following components by mass: 1.5-3.0% of sericin powder, 1.0-1.5% of sodium alginate, 0.6-1.5% of a cross-linking agent and the balance of water.
9. The polyester/sea-island fiber non-elastic core-spun yarn according to claim 8, wherein: the preparation method of the modified FDY polyester filament yarn further comprises a pretreatment step, wherein in the pretreatment step, the FDY polyester filament yarn is soaked in a pretreatment solution, the pretreatment solution contains sodium hydroxide and a surfactant, the concentration of the sodium hydroxide is 3.5-4.5 g/L, and the concentration of the surfactant is 2.5-3.5 g/L; the soaking temperature of the FDY polyester filament is 75-80 ℃, and the soaking time is 30-45 min.
10. A fabric woven from the terylene/sea-island fiber non-elastic core-spun yarn of any one of claims 1 to 9.
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