CN109537115B - Self-heating type skin-core warm-keeping yarn and preparation method thereof - Google Patents
Self-heating type skin-core warm-keeping yarn and preparation method thereof Download PDFInfo
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- CN109537115B CN109537115B CN201811218967.1A CN201811218967A CN109537115B CN 109537115 B CN109537115 B CN 109537115B CN 201811218967 A CN201811218967 A CN 201811218967A CN 109537115 B CN109537115 B CN 109537115B
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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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated yarns or threads
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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
- 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 System
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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
- 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
- D06M11/73—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 carbon or compounds thereof
- D06M11/74—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 carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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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
- 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
- D06M11/83—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 metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
-
- 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
- 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
Abstract
The invention discloses a self-heating type skin-core warm-keeping yarn and a preparation method thereof, wherein the yarn comprises a core layer and a skin layer, wherein the core layer is composed of fibers with certain length and linear density, and graphene components are arranged by a dipping reduction method; the surface layer is composed of fibers with certain length and linear density, a metal copper coating is attached to the surface of the fibers, and the surface layer fibers of the yarns are subjected to special surface treatment to have good heat-conducting property. The skin-core structure can recycle heat, and finally realize the function of keeping warm.
Description
Technical Field
The invention relates to a structural improvement of warm-keeping yarns and a method for preparing the yarns.
Background
The textile made of the common yarns usually achieves the effect of keeping warm only by preventing the heat in the human body-fabric microenvironment from dissipating in a low-temperature state. Although the traditional yarn manufacturing process is convenient and fast, the heat can not be recycled in the aspect of heat preservation.
Meanwhile, in order to achieve a good warm-keeping effect, the traditional textile with the warm-keeping function usually only increases the yarn density of the textile singly to isolate the human body-fabric microenvironment from external heat interaction, so as to achieve the purpose of keeping warm, but the larger yarn density may influence the properties of permeability and the like of the fabric, so that stuffy feeling is generated when a person wears the textile, and further the wearing comfort of the textile is influenced.
Disclosure of Invention
The invention aims to overcome the problems and provides the self-heating type skin-core warm-keeping yarn which has the characteristics of good warm-keeping property and comfort, the core layer fiber of the yarn has a good heat absorption and storage function after special treatment, and the skin layer fiber of the yarn has good heat conduction performance after special surface treatment.
The invention provides a warm-keeping yarn with a skin-core structure, which is characterized by comprising a core layer and a skin layer, wherein,
the sandwich layer is composed of fibers with certain length and linear density, graphene components are arranged through a dipping reduction method, the graphene has good heat absorption property and is a good heat storage material, and therefore the sandwich layer fibers can absorb a large amount of heat emitted outwards in a human body and fabric microenvironment, and heat loss is prevented so as to achieve the effect of keeping warm.
The skin layer is composed of fibers with a certain length and linear density, and a metal copper coating is attached to the surface of the skin layer. The copper metal has good heat conductivity, can repeatedly conduct heat in a microenvironment between human skin and the yarn core layer, namely the heat absorption layer, maintains constant temperature of the microenvironment, and finally achieves the effect of keeping warm.
In the spinning and twisting process, the inner layer and the outer layer are transferred due to different tensions of each fiber during twisting, so that the fibers in the yarn are in a conical spiral shape. The fibers with slender morphology tend to transfer to the core layer of the yarn, while the fibers with short and thick morphology transfer to the skin layer of the yarn, thereby forming the yarn with a skin-core structure.
The invention utilizes the law of yarn twisting fiber transfer to finish different functional materials on fibers with different sizes, and finally forms the functional warm-keeping yarn with the skin-core structure. When the yarns contact the skin of a human body, heat generated by the human body is conducted to the core layer through the yarn cortex, and the heat absorbed by the core layer is conducted back to the skin of the human body, so that the heat is repeatedly conducted from the human body to the yarns and recycled, and the purposes of heat preservation and warm keeping are finally achieved.
Drawings
Fig. 1 is a schematic cross-sectional view of a self-heating type skin-core warm-keeping yarn.
Fig. 2 is a warming mechanism diagram of the self-heating type skin-core warming yarn.
Fig. 3 is a flow chart of a processing process of the self-heating type skin-core warm-keeping yarn.
Fig. 4 is a diagram showing a structural change in reduction of graphene oxide to graphene.
In the figure, 1 is the yarn skin structure, 2 is the yarn core structure, 3 is the heat absorption flow, and 4 is the heat conduction flow.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the invention easy to understand, the technical scheme is further described below.
The preparation process of the fabric is roughly divided into
The core layer processing comprises the following specific steps
1) Cleaning, soaking the fibers in an acetone-ethanol mixed solution for 5-7 min, and then cleaning with distilled water;
2) dipping, dipping and finishing the graphene oxide dispersion liquid into fibers by using a chemical dipping method and a two-dipping two-rolling process, placing the coarsened fibers into the graphene oxide dispersion liquid with the mass percent of 0.8%, dipping for 150min in a water bath environment with the temperature of 80 ℃, taking out the fibers, rolling out the graphene oxide which is not absorbed by the fibers, and continuing dipping for 150 min;
3) reducing, namely reducing the graphene oxide impregnated in the fiber into graphene, diluting hydrazine hydrate to 16% as a reducing agent, and reducing for 420min in a water bath environment at the temperature of 95 ℃;
4) drying, namely drying the prepared fiber containing graphene to finally obtain a core layer fiber with good heat absorption and storage functions;
the skin layer processing comprises the following specific steps
5) Cleaning, soaking the dried fiber for 5-7 min by adopting an acetone-ethanol mixed solution, and then cleaning by using distilled water;
6) and (3) surface treatment, namely performing surface coating treatment by taking the coarsened fiber as a sputtering base material.
Further, the fibers are cotton fibers or artificial fibers.
Further, the coarsening reaction time of the core layer and the skin layer is 25 min.
Further, the copper coating process is that the cotton yarn after the coarsening treatment is fixed on a sample disc of a magnetron sputtering coating machine, the surface of the cotton yarn is subjected to sputtering coating treatment, and the film is coated for 30min at the rotating speed of the sample disc of 10r/min under the pressure of 0.2Pa argon. Several specific examples are given below.
Furthermore, when the fiber is chemical fiber with smooth surface, a coarsening step is also needed, and NaOH solution with the concentration of 200g/L is used for soaking the fiber subjected to the cleaning treatment at 75 ℃ until uneven grooves or holes are formed on the surface of the fiber in a microscopic mode.
Example 1
Selecting viscose fibers with the average length of 36mm and the linear density of 15 denier, cleaning, dipping, reducing and drying the viscose fibers, and processing the viscose fibers into core layer fibers with good heat absorption and heat storage performances. Selecting viscose fibers with the average length of 18mm and the linear density of 30 denier, carrying out magnetron sputtering treatment on the viscose fibers, and processing the viscose fibers into sheath fibers with good heat conductivity. And (3) carrying out orderly mixed spinning on the two fibers to prepare the warm-keeping yarn with the skin-core structure.
Example 2
Selecting superfine polyester yarns with the length of 20-30 mm and the average linear density of approximately 20 denier, cleaning, coarsening, dipping, reducing and drying the superfine polyester yarns, and processing the superfine polyester yarns into core layer fibers with good heat absorption and heat storage performances.
Example 3
Selecting 10-15 mm polyester yarns with linear density of 100 denier, carrying out magnetron sputtering treatment on the polyester yarns, and processing the polyester yarns into cortical fibers with good heat conductivity. And (3) carrying out orderly mixed spinning on the two fibers to prepare the warm-keeping yarn with the skin-core structure.
Example 4
Selecting viscose fiber with the length of 25-33 mm and the linear density of 15 denier, cleaning, dipping, reducing and drying the viscose fiber, and processing the viscose fiber into core layer fiber with good heat absorption and heat storage performances. Selecting 10-15 mm superfine polyester filament with linear density of 20 denier, carrying out magnetron sputtering treatment on the superfine polyester filament, and processing the superfine polyester filament into cortical fibers with good heat conductivity. And (3) carrying out orderly mixed spinning on the two fibers to prepare the warm-keeping yarn with the skin-core structure.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The yarn comprises a core layer and a skin layer, wherein the core layer is composed of fibers with certain length and linear density, and graphene components are arranged by a dipping method; the skin layer is composed of fibers with certain length and linear density, and a metal copper coating is attached to the surface of the fibers, and the method is characterized by comprising the following steps:
the core layer processing comprises the following specific steps
1) Cleaning, soaking the fibers in an acetone-ethanol mixed solution for 5-7 min, and then cleaning with distilled water;
2) coarsening, namely soaking the cleaned fiber at 75 ℃ by adopting NaOH solution with the concentration of 200g/L until uneven grooves or holes are formed on the surface of the fiber in a microscopic manner;
3) dipping, dipping and finishing the graphene oxide dispersion liquid into fibers by using a chemical dipping method and a two-dipping two-rolling process, placing the fibers subjected to roughening treatment into the graphene oxide dispersion liquid with the mass percent of 0.8%, dipping for 150min in a water bath environment with the temperature of 80 ℃, taking out the fibers, rolling out the graphene oxide which is not absorbed by the fibers, and continuing dipping for 150 min;
4) reducing, namely reducing the graphene oxide impregnated in the fiber into graphene, diluting hydrazine hydrate to 16% as a reducing agent, and reducing for 420min in a water bath environment at the temperature of 95 ℃;
5) drying, namely drying the prepared fiber containing graphene to finally obtain a core layer fiber with good heat absorption and storage functions;
the skin layer processing comprises the following specific steps
6) Cleaning, soaking the dried cortical fibers in an acetone-ethanol mixed solution for 5-7 min, and then cleaning with distilled water;
7) and (3) surface treatment, namely performing surface copper coating treatment by taking the roughened cortical layer fiber as a sputtering base material.
2. The method for preparing the self-heating sheath-core warm-keeping yarn as claimed in claim 1, wherein the sheath fibers and the core fibers are cotton fibers or artificial fibers.
3. The method for preparing the self-heating skin-core warm yarn according to claim 1, wherein the coarsening reaction time of the core layer is 25 min.
4. The method for preparing the self-heating skin-core warm-keeping yarn as claimed in claim 1, wherein the copper coating process comprises fixing the coarsened core layer fiber on a sample disc of a magnetron sputtering coating machine, performing sputtering coating treatment on the surface of the core layer fiber, and coating for 30min at a sample disc rotating speed of 10r/min under the argon pressure of 0.2 Pa.
5. The method for preparing the self-heating type skin-core warm-keeping yarn according to claim 1, wherein when the fiber is a chemical fiber with a smooth surface, the method further comprises a coarsening step after the cleaning step in the core layer and skin layer processing, and the fiber subjected to the cleaning treatment is soaked in a NaOH solution with a concentration of 200g/L at 75 ℃ until uneven grooves or holes are formed on the surface of the fiber in a microscopic mode.
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CN107227508A (en) * | 2017-06-08 | 2017-10-03 | 厦门安踏体育用品有限公司 | A kind of graphene polyester fiber and its manufacture method, a kind of fabric and clothes |
CN108193337A (en) * | 2018-03-07 | 2018-06-22 | 如皋市丁堰纺织有限公司 | A kind of blended corespun composite yarn of high emulation cashmere and its fabric |
CN207738903U (en) * | 2017-07-20 | 2018-08-17 | 安踏(中国)有限公司 | A kind of acrylic fiber and fabric |
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Patent Citations (5)
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US20140050920A1 (en) * | 2012-08-14 | 2014-02-20 | Nthdegree Technologies Worldwide Inc. | Graphene-Based Threads, Fibers or Yarns with Nth-Order Layers and Twisting and Methods of Fabricating Same |
CN106930096A (en) * | 2017-03-15 | 2017-07-07 | 山东圣泉新材料股份有限公司 | A kind of modified fibre product, preparation method and its usage |
CN107227508A (en) * | 2017-06-08 | 2017-10-03 | 厦门安踏体育用品有限公司 | A kind of graphene polyester fiber and its manufacture method, a kind of fabric and clothes |
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Effective date of registration: 20210916 Address after: 201613 No. 631, Jinxi Road, industrial zone, Songjiang District, Shanghai Applicant after: SHANGHAI BONO CLOTHING Co.,Ltd. Address before: 201620 No. 333, Longteng Road, Shanghai, Songjiang District Applicant before: SHANGHAI University OF ENGINEERING SCIENCE |
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