CN112301525A - Selenium far infrared composite functional fiber seamless knitted bra and manufacturing process thereof - Google Patents

Selenium far infrared composite functional fiber seamless knitted bra and manufacturing process thereof Download PDF

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CN112301525A
CN112301525A CN202011156644.1A CN202011156644A CN112301525A CN 112301525 A CN112301525 A CN 112301525A CN 202011156644 A CN202011156644 A CN 202011156644A CN 112301525 A CN112301525 A CN 112301525A
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far infrared
selenium
fiber
composite functional
functional fiber
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王光彪
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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
    • D04B1/22—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 specially adapted for knitting goods of particular configuration
    • D04B1/24—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 specially adapted for knitting goods of particular configuration wearing apparel
    • D04B1/246—Upper torso garments, e.g. sweaters, shirts, leotards
    • 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
    • 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
    • D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
    • 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
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
    • D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
    • 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
    • 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
    • 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
    • D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/38—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/653—Nitrogen-free carboxylic acids or their salts
    • D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • D06P1/67333—Salts or hydroxides
    • D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/34—Material containing ester groups
    • D06P3/52—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/82—Textiles which contain different kinds of fibres
    • D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
    • D06P3/8219—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and amide groups
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • 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
    • 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
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • 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
    • D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
    • 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
    • D10B2401/00—Physical properties
    • D10B2401/02—Moisture-responsive characteristics
    • D10B2401/022—Moisture-responsive characteristics hydrophylic
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    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/13—Physical properties anti-allergenic or anti-bacterial
    • 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
    • D10B2501/00—Wearing apparel
    • D10B2501/02—Underwear

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)

Abstract

The invention belongs to the technical field of functional fiber fabrics, and particularly relates to a selenium far infrared composite functional fiber seamless knitted bra and a manufacturing process thereof. The selenium-rich functional powder and the far infrared functional powder are added into a polyester spinning solution, the selenium/far infrared composite functional fiber is prepared by a melt spinning technology, the selenium/far infrared composite functional fiber and combed cotton are blended to prepare blended yarn, the blended yarn is interwoven with nylon/ammonia coated yarn, and the selenium/far infrared composite functional fiber seamless knitted bra is prepared by utilizing one-step forming seamless underwear equipment. The selenium/far infrared composite functional fiber seamless knitted bra prepared by the invention has the advantages that in the wearing process, the microelements are directly contacted with the skin, the microelements required by the human body are supplemented in time, the body balance is adjusted, meanwhile, the far infrared rays act on the human body, the body surface is heated, the absorption of the microelements is facilitated, and the good health effect is achieved.

Description

Selenium far infrared composite functional fiber seamless knitted bra and manufacturing process thereof
Technical Field
The invention belongs to the technical field of functional fiber fabrics, and particularly relates to a selenium far infrared composite functional fiber seamless knitted bra and a manufacturing process thereof.
Background
With the development of urbanization, the pressure of work and life of people is increased, diet is irregular, physical health cannot be guaranteed, and many chronic diseases are younger and younger. Health problems such as decreased immunity, cardiovascular and cerebrovascular diseases and gastrointestinal diseases are becoming more common. These are related to many factors, and the textile industry is now vigorously researching functional textiles to alleviate these negative effects and improve people's health.
The bra product is worn next to the skin, and the research on the aspect is urgent, so that the bra product is developed from the perspective of comfort and can better serve all the mankind by being connected with the aspects of medicine and health and environmental protection. According to various data researched and researched, more than half of areas in China belong to selenium-deficient areas, natural foods such as grains, vegetables and the like have low selenium content and low human body intake, researches show that the selenium deficiency can cause a series of health problems, and the selenium is one of indispensable trace elements of human bodies and plays a very important role in the human bodies. In addition, people lack of movement, a series of problems of organisms and immunity can be caused, the health of human bodies is influenced, the far infrared function is adopted by many medical circles, and a plurality of hospitals are provided with far infrared lamps, so that the far infrared lamps are irradiated under the condition that muscle nerve of patients is paralyzed, the far infrared rays act on human cells, the blood circulation is promoted, and the pain is reduced.
Disclosure of Invention
The invention aims to provide a selenium/far infrared composite functional fiber seamless knitted bra, which organically combines a composite material of selenium extracted from minerals and far infrared emission functional powder with fiber macromolecules into a whole, and prepares health-care functional fibers capable of slowly releasing trace selenium and emitting far infrared rays by a melt spinning technology. The seamless bra product made of the natural plant extract powder has the beneficial effects that in the wearing process, the microelements are directly contacted with the skin, so that the microelements required by the human body are supplemented in time, and the body balance is adjusted. Meanwhile, far infrared rays act on a human body to heat the body surface, so that the absorption of trace elements is facilitated, and a good health effect is achieved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a selenium/far infrared composite functional fiber seamless knitted bra is prepared by adding selenium-rich functional powder and far infrared functional powder into polyester spinning solution, preparing selenium/far infrared composite functional fiber through a melt spinning technology, blending the selenium/far infrared composite functional fiber and other textile fibers to prepare blended yarn, interweaving the blended yarn and chinlon/spandex coated yarn, and preparing the selenium/far infrared composite functional fiber seamless knitted bra by utilizing one-step forming seamless underwear equipment.
The other textile fibers comprise one or more of collagen fibers, sarcandra glabra viscose fibers and volcanic rock heat storage fibers.
The sarcandra glabra viscose fiber is prepared by crushing sarcandra glabra extracts by utilizing a nano technology and a microcapsule technology, and then blending the natural sarcandra glabra extracts serving as antibacterial agents with viscose spinning solution. The natural sarcandra glabra extract not only keeps the excellent performances of moisture absorption, air permeability and the like of common viscose fibers, but also fully exerts the antibacterial and anti-inflammatory effects and the like of the natural sarcandra glabra extract, and meets the requirements of people on functional textiles. In the spinning process, the sarcandra glabra effective components are uniformly dispersed into the viscose spinning solution to carry out blending reaction with the viscose components, so that intermolecular copolymerization between the sarcandra glabra effective components and the viscose is fully realized, the sarcandra glabra spinning solution is a physical reaction, and the original functions of sarcandra glabra cannot be influenced. Because the combination is polar molecule combination under the blending condition, the sarcandra glabra can be permanently and uniformly combined with the viscose substrate, and a permanent antibacterial effect is achieved. The effective components of the sarcandra glabra fiber are taken from natural plants, the fiber production process is carried out in a physical mode, namely a blending mode, the green characteristics of the sarcandra glabra natural plants are kept, and the sarcandra glabra fiber belongs to green antibacterial fiber harmless to human bodies. Has the following advantages:
1) a brand new green concept: the antibacterial effect of natural plants solves the technical problem of secondary pollution of post finishing for realizing antibacterial effect, and has good antibacterial durability. On the basis of realizing the antibacterial function, the consumption concept of nature, green and health is highlighted.
2) Durable antimicrobial properties: the sarcandra glabra component and the cellulose component in the viscose are combined in a blending mode, so that certain washing fastness of the sarcandra glabra component is ensured, and the antibacterial property of the sarcandra glabra component can still meet the national standard requirement after repeated washing for dozens of times in general.
3) Excellent dyeing property: the sarcandra glabra fiber with the viscose as the matrix also has excellent dyeing performance and can be processed into fabrics with various colors according to requirements. Based on completely reserving the natural and green characteristics of the sarcandra glabra fiber, the natural light yellow of the sarcandra glabra fiber is adopted as a plain natural color. The natural and green characteristics of the sarcandra glabra fiber can be effectively maintained by adopting semi-bleaching processing or adopting a color spinning mode.
The collagen fiber is prepared by blending and spinning polyamide graft modified collagen and polyamide. The collagen modified polyamide fiber has better comfort, and the collagen can improve the hygroscopicity and the water locking property of the fiber and improve the functionality of the product. The bra disclosed by the invention is rich in collagen fibers, is worn next to the skin, is comfortable, can moisten skin, is skin-friendly and moisturizes, and is beneficial to the health of human skin.
The volcanic heat storage fiber is prepared by combining volcanic with organic plant carbonized material by core-shell structure dual-energy powder technology to form a compound structure powder formula of trace metal elements and carbon material, adding the compound powder into fiber spinning solution, and adopting solution spinning technology. The nanometer material inlaid on the surface of the volcanic heat storage fiber can reflect the life light which is relied on by the human body to live after absorbing the far infrared heat ray released by the human body, the life light can cause the deep tissue of the skin to cause the self-heating effect, the generation of the effect can stimulate the cell activity, promote the human body metabolism, further improve the microcirculation of blood, improve the immunity of the organism and play a certain role in medical care.
The specific preparation process of the blended yarn comprises the following steps:
(1) blowing and carding process
The carding procedure A036C and A076C beating speeds are 520 r.min-1And 800 r.min-1(ii) a In the cotton carding process, the speed ratio is increased, so that the licker-in is favorably transferred to a cylinder, and therefore cotton neps caused by improper transfer are reduced;
(2) combing process
In order to reduce the noil of the combed sliver and reduce the resultant yarn hairiness, the noil rate is controlled to be more than 18 percent, the noil rate of the combed sliver is controlled to be less than 12 percent, and other parameters are as follows: quantification: gDry matter＝18.50g·(5m)-1Cylinder speed: 300 clamping times for min-1Carding gauge length: 0.508mm, the foremost position of the nipper: 24 °, cotton feeding length: 4.7 mm;
(3) and a rough process
A washing pre-merging step: gDry matter＝18.55g·(5m)-1，EMachine for working＝8.87，ERear end＝1.82；
Mixing and adopting three-way mixing, which respectively comprises the following steps: mixing one, mixing two and mixing three, wherein the specific mechanical draft configuration is as follows: eMix one＝8.61，EMixing two components＝7.82，EMixing three＝7.88；
(4) Spinning process
The specific process comprises the following steps: twist factor α t 355, draw-back: eRear end1.38, roller center distance: 44 × 54(mm), front roller speed: n isFront side210(r/min), apron jaw: 2.8mm, leather roller: type E445;
(5) spooling process
In order to eliminate the fiber internal stress, accelerate the static discharge, further reduce the hairiness and stabilize the yarn quality, the high-temperature and high-pressure heat setting treatment is carried out on the tube yarn before spooling, and the heat setting process comprises the following steps: pressure: 3.87atm, temperature 90 ℃, time: 70 min;
the method comprises the following steps of (1) performing an electric cleaning process on a bobbin yarn on an automatic winder after heat setting, wherein the specific process configuration is as follows:
cotton knotting: nep ═ 7, short bold: l ═ 3, D ═ 2.2, long bold: l ═ 60, D ═ 1.3, details: -L-120, -D-40%.
The selenium/far infrared composite functional fiber needs to be pretreated before the blowing and carding process: spraying oil solution into the selenium/far infrared composite functional fiber, spraying layer by layer, laying layer by layer, and standing for 12h to reduce the specific resistance of the fiber after oil injection to 4.7x107 omega g (cm)2)-1The following. The main components of the oil agent comprise an antistatic agent, a lubricant, mineral oil and an emulsifier.
The invention also discloses a manufacturing process of the selenium/far infrared composite functional fiber seamless knitted bra, which comprises the following process steps: weaving → dyeing → sizing → sewing → finishing product.
In the weaving process, the selenium/far infrared composite functional fiber and combed cotton blended yarn prepared by the invention is interwoven with the brocade/ammonia coated yarn for weaving.
The dyeing process adopts a two-step two-bath method double-dyeing process: (1) the first step is as follows: dyeing selenium/far infrared composite functional fiber, and then carrying out reduction cleaning; (2) the second step is that: dyeing cotton and nylon fibers by using reactive dyes, reducing, cleaning and performing after-treatment.
The dyeing recipe in the first step was: dye (o.w.f): 1% high temperature leveling agent: 1mL/L, glacial acetic acid: 0.6mL/L, pH value is 5-5.5, and the bath ratio is 1: 12; in the dyeing process, the temperature is firstly heated to 60 ℃ and kept for 5min, then the temperature is increased to 130 ℃ at the speed of 1 ℃/min, the temperature is kept for 40min, and then the temperature is reduced to 80 ℃ at the speed of 2 ℃/min.
The dyeing prescription in the second step is as follows: dye (o.w.f): 3% active leveling agent: 2g/L, anhydrous sodium sulphate: 70g/L, soda: 25g/L, glacial acetic acid: 0.6mL/L and a bath ratio of 1: 15; adding alkali and sodium hydrosulfite after the first-step dyeing, heating to 90 ℃, reducing and cleaning for 20min, then cooling to 35 ℃, neutralizing the pH value with glacial acetic acid, then heating to 80 ℃ for washing for 10min, cooling to 35 ℃, sequentially adding a dyeing agent, anhydrous sodium sulphate and an auxiliary agent, heating to 60 ℃, dyeing for 30min, adding alkali, continuously preserving the heat at 60 ℃ for dyeing for 45min, and cooling and washing with water.
In the sewing process, the elongation of the sewing mark is not less than 100% during sewing; the height of the sewing zigzag is 0.4cm, the width of the edge sewn by the overedger is not less than 0.4cm, four threads are not less than 0.5cm, and five threads are not less than 0.7 cm.
Advantageous effects
According to the invention, through the research on the effect and influence of selenium and far infrared on human health and the research on the physical and chemical properties of selenium and far infrared composite functional fibers, the yarn prepared by adding a composite material of selenium and far infrared functional powder into a spinning solution is finally adopted to be interwoven with nylon/ammonia coated yarn, and a functional health-care fiber seamless knitted bra product is prepared by utilizing one-step forming seamless underwear equipment. The product has the following effects: supplementing selenium, regulating organism balance, promoting blood circulation with far infrared ray, reducing free radicals, and heating body surface by inducing water resonance in human body cells during application to achieve warm keeping and health promoting effects.
The selenium/far infrared composite functional fiber is prepared by organically combining selenium extracted from minerals, a composite material of far infrared emission functional powder and fiber macromolecules into a whole and preparing the health-care functional fiber with the functions of slowly releasing trace selenium and emitting far infrared rays by a melt spinning technology. In the process of wearing the seamless bra product made of the fabric, the microelements are directly contacted with the skin, and the selenium element permeates into subcutaneous parts by 3-5mm under the assistance of far infrared radiation substances through the close friction contact of the fabric and the skin, so that the selenium element enters into the blood of the channels and collaterals of a human body, supplements the microelements required by the human body in time and regulates the balance of the body. Meanwhile, far infrared rays act on a human body to heat the body surface, so that the absorption of trace elements is facilitated, and a good health effect is achieved. In addition, the infrared fabric can continuously emit far infrared rays with the effect of inhibiting the growth of bacteria, so that the infrared fabric has a certain antibacterial effect, and tests show that the antibacterial rate of the infrared fabric on staphylococcus aureus, escherichia coli and candida albicans is over 90%.
The invention adopts selenium/far infrared composite functional fiber yarn to interweave with the brocade/ammonia cladding yarn to manufacture the functional health care fiber knitted bra which is worn next to the skin, not only comfortable, but also can slowly release selenium element and emit far infrared rays, playing a role in assisting health for human body, and because the functional powder is implanted into the fiber, the functional health care fiber knitted bra is not subjected to after-treatment and is durable and washable, and the functions can still reach established indexes after 20 times of water washing. In the process of long-term wearing, people can bring health and pleasure, and the shoe pad is very suitable for the current high-grade consumption in cities and the value view of pursuing healthy life. The product is practical and healthy, can bring better economic benefit and social benefit, and has good market prospect.
The invention also applies the collagen modified polyamide fiber, the sarcandra glabra viscose fiber and the volcanic heat storage fiber to the bra product, and the collagen can improve the hygroscopicity and the water locking property of the fiber, and can moisten skin, keep moisture; the sarcandra glabra viscose fiber is a natural herbal antibacterial material, has strong herbal antibacterial factors, inhibits bacterial reproduction and protects human health; the nanometer material inlaid on the surface of the volcanic heat storage fiber can reflect the life light which is relied on by the human body to live after absorbing the far infrared heat ray released by the human body, the life light can cause the deep tissue of the skin to cause the self-heating effect, the generation of the effect can stimulate the cell activity, promote the human body metabolism, further improve the microcirculation of blood, improve the immunity of the organism and play a certain role in medical care.
Drawings
FIG. 1: a process flow chart for manufacturing the seamless knitted bra;
FIG. 2: a first step dyeing temperature rise curve diagram;
FIG. 3 is a graph of a second dyeing process.
Detailed Description
Hereinafter, the present invention will be described in detail. Before the description is made, it should be understood that the terms used in the present specification and the appended claims should not be construed as limited to general and dictionary meanings, but interpreted based on the meanings and concepts corresponding to technical aspects of the present invention on the basis of the principle that the inventor is allowed to define terms appropriately for the best explanation. Accordingly, the description proposed herein is just a preferable example for the purpose of illustrations only, not intended to limit the scope of the invention, so it should be understood that other equivalents and modifications could be made thereto without departing from the spirit and scope of the invention.
The following examples are given by way of illustration of embodiments of the invention and are not to be construed as limiting the invention, and it will be understood by those skilled in the art that modifications may be made without departing from the spirit and scope of the invention. Unless otherwise specified, reagents and equipment used in the following examples are commercially available products.
Example 1
Adding the selenium-rich functional powder and the far infrared functional powder into a polyester spinning solution, and preparing the selenium/far infrared composite functional polyester fiber by a melt spinning technology. The properties of the selenium/far infrared composite functional polyester fiber are shown in table 1.
TABLE 1 selenium/far infrared composite functional polyester fiber
Figure BDA0002742995540000061
The fiber has selenium and far infrared composite function, and can make selenium element penetrate into subcutaneous 3-5mm under the assistance of far infrared radiation material through the close friction contact of fabric and skin, thereby entering into human body channels and collaterals blood, supplementing microelement selenium required by human body in time, and regulating organism balance. The far infrared ray promotes blood circulation, reduces free radicals, and causes water resonance in human cells to heat the body surface in the using process, thereby playing the functions of warm keeping and health care. In addition, the infrared fabric can continuously emit far infrared rays with the effect of inhibiting the growth of bacteria, so that the infrared fabric has a certain antibacterial effect, and tests show that the antibacterial rate of the infrared fabric on staphylococcus aureus, escherichia coli and candida albicans is over 90%.
Example 2
Blended yarns are prepared by blending the selenium/far infrared composite functional polyester fibers obtained in the embodiment 1 and combed cotton fibers. Blended yarn: the selenium/far infrared composite function polyester fiber and combed cotton are blended T50/C50.
The performance criteria for the combed cotton fibers used are shown in table 2.
TABLE 2 Performance index of combed Cotton fibers
Figure BDA0002742995540000062
As can be seen from table 1, the selenium/far infrared composite functional fiber obtained in example 1 has a large specific resistance, and is likely to cause problems such as static electricity and twisting during spinning. The main components of the oil agent are 3-5 parts of antistatic agent, 1-2 parts of lubricant, 4-8 parts of mineral oil and 2-3 parts of emulsifier. Spraying layer by layer, laying layer by layer, standing for 12 hr to reduce specific resistance to 4.7 × 107 Ω g (cm)2)-1Thereby ensuring the smooth production of each procedure.
The specific preparation process of the selenium/far infrared composite functional polyester fiber and combed cotton blended yarn comprises the following steps:
(1) blowing and carding process
During the boxing process of the selenium/far infrared polyester fiber with the composite function, the cotton bale is flatly placed and compressed, so that the cotton bale is grabbed uniformly and a cotton conveying pipeline is not blocked. As the selenium/far infrared composite function polyester fiber is easy to generate static electricity in the production process and has higher content of special CV, the blowing and carding process adopts the process principle of 'light striking, more impurity falling, proper carding and reinforced transfer', therefore, the blowing and carding speeds are slowed down, and the A036C and A076C are respectively 520 r.min-1And 800 r.min-1。
In the cotton carding process, the speed ratio is increased, so that the licker-in is favorably transferred to the cylinder, and the neps caused by improper transfer are reduced. In order to realize more impurities and more cover plate flowers, the distance between the small bottom leakage inlet can be properly reduced and the distance between the upper opening of the front upper cover plate can be increased.
The relevant parameters are as follows:
quantitative GDry matter＝20.40g·(5m)-1Card clothing type: cylinder 2810, licker-in 5818, doffer 4030, cover JDT 24; cylinder-cover plate gauge (mm): 0.381, 0.356, 0.330, 0.356, licker-in-small-screen (mm): inlet 7.94 four point 0.794 outlet 0.794; upper opening gauge (mm) of the front upper cover plate: 0.889; speed ratio: 2.2; speed (r.min)-1) (ii) a Cylinder 335, licker-in 780, doffer 20.
After the above-mentioned technological measures, the polyester raw sliver is obtained, and the specific resistance of the polyester raw sliver is measured to be 8.6x107Ω·g·(cm2)-1Although the specific resistance is increased compared with the specific resistance after oil injection, practice shows that the specific resistance has no great influence on the subsequent process.
(2) Combing process
In order to reduce the noil of the combed sliver and reduce the resultant yarn hairiness, combing noil is properly increased, the noil scale of a combing machine E60H is set to be 9.5, the noil rate reaches 18 percent, and the noil rate of the combed sliver is controlled to be below 12 percent.
Other parameters are as follows: quantification: gDry matter＝18.50g·(5m)-1Cylinder speed: 300 clamping times for min-1Carding gauge length: 0.508mm, the foremost position of the nipper: 24 °, cotton feeding length: 4.7 mm.
(3) And a rough process
Considering that the surface friction coefficient of the selenium/far infrared fiber is larger, the cradle pressure can be properly increased and the washing pre-drafting and back-drafting can be enlarged to prevent cotton blocks from appearing due to undrawing.
A washing pre-merging step: gDry matter＝18.55g·(5m)-1，EMachine for working＝8.87，ERear end＝1.82。
Mixing and adopting three-way mixing, which respectively comprises the following steps: mixing one, mixing two and mixing three, and specially formulating a drafting process with large first channel, small second channel and moderate third channel in order to improve the level of the cooked slivers.
The specific mechanical draft configuration is as follows: eMix one＝8.61，EMixing two components＝7.82，EMixing three＝7.88。
In order to reduce the drafting force of spun yarn, improve the yarn evenness level and reduce the defects of slub yarn, the twist coefficient of the roving is selected to be small, and the process is designed to be alphat65. In addition, the selenium/far infrared fiber is considered to be easy to generate static accumulation in the production process, and the speed of the rough process is slowed down. In the trial spinning, the speed of a front roller is as follows: n isAnd are＝1300r/min，nCoarse230r/min, thereby ensuring smooth rough process operation, clear turning surface, stable operation and reducing a large amount of yarn hairiness generated due to electrostatic action.
(4) Spinning process
Because the selenium and the far infrared ceramic powder particles are added into the polyester fiber and are relatively rough and hard, the twisting coefficient can be properly increased in the spinning process for increasing the cohesive force of the polyester fiber, and meanwhile, the 'large back zone drafting' process can be continuously adopted on the spun yarn for preventing the hard head phenomenon caused by too large drafting force. In the selection of the leather roller, a leather roller which is wear-resistant and has certain elasticity is preferably used.
The related process is as follows: twist factor alphat355, back drawing: eRear end1.38, roller center distance: 44 × 54(mm), front roller speed: n isFront side210(r/min), apron jaw: 2.8mm, leather roller: type E445 (hardness 75 ° light treatment). The level of yarn formation is shown in Table 3.
TABLE 3 resultant yarn quality level
Figure BDA0002742995540000081
(5) Spooling process
In order to eliminate the fiber internal stress, accelerate the static discharge, further reduce the hairiness and stabilize the yarn quality, the high-temperature and high-pressure heat setting treatment is carried out on the tube yarn before spooling.
The heat setting process comprises the following steps: pressure: 3.87atm, temperature 90 ℃, time: and (4) 70 min.
The reasonable configuration of the electric cleaning process on the SAVIO automatic winder after the heat setting of the bobbin yarn is quite important, practice proves that the defect removing performance is influenced by the overlarge electric cleaning spacing distance, and broken ends are increased by the undersize spacing distance, so that the yarn body is scraped, the strength and the evenness are lost, and the following process configuration is adopted in the trial spinning: cotton knotting: nep ═ 7, short bold: l ═ 3, D ═ 2.2, long bold: l ═ 60, D ═ 1.3, details: -L120, -D40%, measured hairiness see table 4.
TABLE 4 hairiness Condition
Figure BDA0002742995540000082
Figure BDA0002742995540000091
The above data show that the hair feather condition and the hair feather growth rate are satisfactory after taking corresponding measures.
Because the specific resistance of the selenium/far infrared composite function polyester fiber is larger, the problems of static electricity removal and twisting are solved by adopting oil solution treatment, which is a precondition and a key for spinning the selenium/far infrared composite function polyester fiber. In order to prevent fiber damage and electrostatic accumulation and ensure smooth production, the speed of each process is slowed down. The yarn quality level can be improved only by really grasping the process principle of each procedure, reasonably selecting the equipment and configuring each process parameter. The application of heat setting treatment is an indispensable measure for greatly improving the growth rate of hairiness. In order to make the surfaces of all the working procedures clear and produce smoothly, the temperature and humidity of all the working procedures must be reasonably controlled.
Example 3
The selenium/far infrared composite functional polyester fiber and combed cotton blended yarn prepared in the embodiment 2 are interwoven with the nylon/ammonia coated yarn, and the selenium/far infrared composite functional fiber seamless knitted bra is prepared by utilizing one-step forming seamless underwear equipment. The process flow is shown in figure 1 below.
The specific process steps are as follows:
1. the weaving process comprises the following steps:
a machine: SANTONI TOP2
Caliber: 14 cun in the front of the body
The number of needles: 1248 pieces of
Raw materials: selenium/far infrared composite functional fiber and cotton blended yarn (40S), covering yarn (3070), spandex (210D)
Yarn path: 40S selenium/far infrared + cotton blended yarn 1, 3, 5, 7 way, 2# yarn nozzle
3070 covering yarn 2, 4, 6, 8-way, 6# yarn nozzle
210D spandex 2, 6 way, 3# yarn mouth
2. Dyeing and finishing process
Because the product fabric is interwoven with the covering yarn by adopting blended yarn, the blended yarn is selenium/far infrared fiber and cotton fiber of a double-component fiber polyester carrier, and the covering yarn contains nylon, a double-dyeing process (a two-step two-bath method) is adopted when the pure-color dyeing process of the product is formulated, the selenium/far infrared polyester fiber is dyed in the first step, the cotton and the nylon fiber are dyed in the second step by using reactive dye after reduction cleaning, and after-finishing is carried out after reduction cleaning. The specific process comprises the following steps:
1) first step high temperature high pressure disperse dye dyeing
Because the far infrared fiber is easy to absorb the dye, the heating rate is not suitable to be too fast so as to avoid causing color flower.
Dyeing prescription:
Figure BDA0002742995540000092
Figure BDA0002742995540000101
the dyeing temperature rise curve is shown in FIG. 2.
2) Second step reactive dye dyeing
Reducing and cleaning with alkali and sodium hydrosulfite, neutralizing the pH value with glacial acetic acid, and then performing the second step of dyeing.
The process prescription is as follows:
Figure BDA0002742995540000102
the dyeing process curve is shown in FIG. 3.
3) Cleaning of
The dyeing is carried out and reduction cleaning is carried out after dyeing, so that the loose color on the surface of the fabric can be removed, the color fastness is improved, and in addition, the residual auxiliary agent on the surface of the fabric can be removed, so that the performance of the fiber can be better reflected.
3. And (5) after dyeing, carrying out shrinkage sizing and then sending into a sewing workshop.
4. Sewing machine
TABLE 5 Sewing instructions for selenium/far infrared composite functional fiber seamless knitted bra
Figure BDA0002742995540000103
Provision of sewing
1. The elongation of the stitches at the time of sewing is not less than 100%.
2. Sewing is carried out according to the product sewing process, and the number and the width of the needles cannot exceed the specified size.
3. The measured needle density is measured in the middle of a sewing process.
4. The sewing zigzag height is 0.4 cm.
5. The width of the edge of the overedger is not less than 0.4cm, the width of the four lines is not less than 0.5cm, and the width of the five lines is not less than 0.7 cm.
The specific technical indexes of the selenium far infrared composite functional fiber seamless knitted bra obtained by the invention are shown in table 6.
Table 6 technical indexes of selenium far infrared composite functional fiber seamless knitted bra
Figure BDA0002742995540000111
The invention adopts selenium/far infrared composite functional fiber yarn to interweave with the brocade/ammonia cladding yarn to manufacture the functional health care fiber knitted bra which is worn next to the skin, not only comfortable, but also can slowly release selenium element and emit far infrared rays to play a role in assisting health of human body, and in addition, the infrared fabric can continuously emit the far infrared rays which have the function of inhibiting bacterial growth, thereby having a certain antibacterial effect, and tests show that the bacteriostasis rate of the bra on staphylococcus aureus, escherichia coli and candida albicans reaches more than 90 percent. And because the functional powder is implanted into the fiber, the product is durable and washable without after-finishing, and the function of the product can still reach the established index after 20 times of water washing. In the process of long-term wearing, people can bring health and pleasure, and the shoe pad is very suitable for the current high-grade consumption in cities and the value view of pursuing healthy life. The product is practical and healthy, can bring better economic benefit and social benefit, and has good market prospect.
Example 4
Adding selenium-rich functional powder and far infrared functional powder into a polyester spinning solution, preparing selenium/far infrared composite functional fiber through a melt spinning technology, blending the selenium/far infrared composite functional fiber and other collagen fibers to prepare blended yarn, interweaving the blended yarn and polyamide/spandex coated yarn, and preparing the selenium/far infrared composite functional fiber seamless knitted bra by utilizing one-step forming seamless underwear equipment.
The collagen fiber is prepared by blending and spinning polyamide graft modified collagen and polyamide. The collagen modified polyamide fiber has better comfort, and the collagen can improve the hygroscopicity and the water locking property of the fiber and improve the functionality of the product. The bra disclosed by the invention is rich in collagen fibers, is worn next to the skin, is comfortable, can moisten skin, is skin-friendly and moisturizes, and is beneficial to the health of human skin.
Example 5
Adding selenium-rich functional powder and far infrared functional powder into a polyester spinning solution, preparing selenium/far infrared composite functional fiber through a melt spinning technology, blending the selenium/far infrared composite functional fiber and sarcandra glabra viscose fiber to prepare blended yarn, interweaving the blended yarn with polyamide/spandex coated yarn, and preparing the selenium/far infrared composite functional fiber seamless knitted bra by utilizing one-step forming seamless underwear equipment.
The sarcandra glabra viscose fiber is prepared by crushing sarcandra glabra extracts by utilizing a nano technology and a microcapsule technology, and then blending the natural sarcandra glabra extracts serving as antibacterial agents with viscose spinning solution. The natural sarcandra glabra extract not only keeps the excellent performances of moisture absorption, air permeability and the like of common viscose fibers, but also fully exerts the antibacterial and anti-inflammatory effects and the like of the natural sarcandra glabra extract, and meets the requirements of people on functional textiles. In the spinning process, the sarcandra glabra effective components are uniformly dispersed into the viscose spinning solution to carry out blending reaction with the viscose components, so that intermolecular copolymerization between the sarcandra glabra effective components and the viscose is fully realized, the sarcandra glabra spinning solution is a physical reaction, and the original functions of sarcandra glabra cannot be influenced. Because the combination is polar molecule combination under the blending condition, the sarcandra glabra can be permanently and uniformly combined with the viscose substrate, and a permanent antibacterial effect is achieved. The effective components of the sarcandra glabra fiber are taken from natural plants, the fiber production process is carried out in a physical mode, namely a blending mode, the green characteristics of the sarcandra glabra natural plants are kept, and the sarcandra glabra fiber belongs to green antibacterial fiber harmless to human bodies. Has the following advantages:
1) a brand new green concept: the antibacterial effect of natural plants solves the technical problem of secondary pollution of post finishing for realizing antibacterial effect, and has good antibacterial durability. On the basis of realizing the antibacterial function, the consumption concept of nature, green and health is highlighted.
2) Durable antimicrobial properties: the sarcandra glabra component and the cellulose component in the viscose are combined in a blending mode, so that certain washing fastness of the sarcandra glabra component is ensured, and the antibacterial property of the sarcandra glabra component can still meet the national standard requirement after repeated washing for dozens of times in general.
3) Excellent dyeing property: the sarcandra glabra fiber with the viscose as the matrix also has excellent dyeing performance and can be processed into fabrics with various colors according to requirements. Based on completely reserving the natural and green characteristics of the sarcandra glabra fiber, the natural light yellow of the sarcandra glabra fiber is adopted as a plain natural color. The natural and green characteristics of the sarcandra glabra fiber can be effectively maintained by adopting semi-bleaching processing or adopting a color spinning mode.
Example 6
Adding selenium-rich functional powder and far infrared functional powder into a polyester spinning solution, preparing selenium/far infrared composite functional fiber through a melt spinning technology, blending the selenium/far infrared composite functional fiber and volcanic rock heat storage fiber to prepare blended yarn, interweaving the blended yarn and polyamide/spandex coated yarn, and preparing the selenium/far infrared composite functional fiber seamless knitted bra by utilizing one-step forming seamless underwear equipment.
The volcanic heat storage fiber is prepared by combining volcanic with organic plant carbonized material by core-shell structure dual-energy powder technology to form a compound structure powder formula of trace metal elements and carbon material, adding the compound powder into fiber spinning solution, and adopting solution spinning technology. The nanometer material inlaid on the surface of the volcanic heat storage fiber can reflect the life light which is relied on by the human body to live after absorbing the far infrared heat ray released by the human body, the life light can cause the deep tissue of the skin to cause the self-heating effect, the generation of the effect can stimulate the cell activity, promote the human body metabolism, further improve the microcirculation of blood, improve the immunity of the organism and play a certain role in medical care.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. The utility model provides a selenium/far infrared complex function fibre seamless knitting brassiere which characterized in that: adding selenium-rich functional powder and far infrared functional powder into a polyester spinning solution, preparing selenium/far infrared composite functional fiber through a melt spinning technology, blending the selenium/far infrared composite functional fiber and other textile fibers to prepare blended yarn, interweaving the blended yarn and polyamide/spandex coated yarn, and preparing the selenium/far infrared composite functional fiber seamless knitted bra by utilizing one-step forming seamless underwear equipment.
2. The selenium/far infrared composite functional fiber seamless knitted brassiere of claim 1, wherein said other textile fibers comprise one or more of collagen fibers, sarcandra glabra viscose fibers, combed cotton fibers, and volcanic heat-accumulating fibers.
3. The selenium/far infrared composite functional fiber seamless knitted brassiere according to claim 2, characterized in that, the sarcandra glabra viscose fiber is prepared by pulverizing sarcandra glabra extract by means of nanotechnology and microcapsule technology, and then blending and spinning sarcandra glabra extract as antibacterial agent with viscose spinning solution; the collagen fiber is prepared by blending and spinning polyamide graft modified collagen and polyamide.
4. The selenium/far infrared composite functional fiber seamless knitted bra of claim 2, wherein the volcanic heat storage fiber is a fiber prepared by combining volcanic and organic plant carbonized materials together by using a core-shell structure dual-energy powder technology to form a compound structure powder of trace metal elements and carbon materials, adding the compound powder into a fiber spinning solution, and adopting a solution spinning technology.
5. The selenium/far infrared composite functional fiber seamless knitted brassiere according to claim 1, characterized in that, the specific preparation process of the blended yarn comprises the following steps:
(1) blowing and carding process
The carding procedure A036C and A076C beating speeds are 520 r.min-1And 800 r.min-1；
(2) Combing process
The noil rate is controlled to be more than 18 percent, the noil rate of the combed strips is controlled to be less than 12 percent, and other parameters are as follows: quantification: gDry matter＝18.50g·(5m)-1Cylinder speed: 300 clamping times for min-1Carding gauge length: 0.508mm, the foremost position of the nipper: 24 °, cotton feeding length: 4.7 mm;
(3) and a rough process
A washing pre-merging step: gDry matter＝18.55g·(5m)-1，EMachine for working＝8.87，ERear end＝1.82；
Mixing and adopting three-way mixing, which respectively comprises the following steps: mixing one, mixing two and mixing three, wherein the specific mechanical draft configuration is as follows: eMix one＝8.61，EMixing two components＝7.82，EMixing three＝7.88；
(4) Spinning process
The specific process comprises the following steps: twist factor α t 355, draw-back: eRear end1.38, roller center distance: 44 × 54(mm), front roller speed: n isFront side210(r/min), apron jaw: 2.8mm, leather roller: type E445;
(5) spooling process
Before spooling, the tubular yarn is subjected to high-temperature and high-pressure heat setting treatment, and the heat setting process comprises the following steps: pressure: 3.87atm, temperature 90 ℃, time: 70 min;
the method comprises the following steps of (1) performing an electric cleaning process on a bobbin yarn on an automatic winder after heat setting, wherein the specific process configuration is as follows:
cotton knotting: nep ═ 7, short bold: l ═ 3, D ═ 2.2, long bold: l ═ 60, D ═ 1.3, details: -L-120, -D-40%.
6. The selenium/far infrared composite functional fiber seamless knitted brassiere according to claim 5, characterized in that, selenium/far infrared composite functional fiber needs to be pretreated before the blowing process is started: spraying oil solution into the selenium/far infrared composite functional fiber, spraying layer by layer, laying layer by layer, and standing for 12h to reduce the specific resistance of the fiber after oil injection to 4.7x107 omega g (cm)2)-1The following; the main components of the oil agent comprise an antistatic agent, a lubricant, mineral oil and an emulsifier.
7. The manufacturing process of the selenium/far infrared composite functional fiber seamless knitted bra of any one of claims 1 to 6, characterized by comprising the following process steps: weaving → dyeing → sizing → sewing → finishing product.
8. The manufacturing process of the selenium/far infrared composite functional fiber seamless knitted bra of claim 7, wherein the dyeing process adopts a two-step two-bath method double-dyeing process: (1) the first step is as follows: dyeing selenium/far infrared composite functional fiber, and then carrying out reduction cleaning; (2) the second step is that: dyeing cotton and nylon fibers by using reactive dyes, reducing, cleaning and performing after-treatment.
9. The manufacturing process of the selenium/far infrared composite functional fiber seamless knitted bra of claim 8, wherein the dyeing prescription in the first step is as follows: dye (o.w.f): 1% high temperature leveling agent: 1mL/L, glacial acetic acid: 0.6mL/L, pH value is 5-5.5, and the bath ratio is 1: 12; in the dyeing process, the temperature is firstly heated to 60 ℃ and kept for 5min, then the temperature is increased to 130 ℃ at the speed of 1 ℃/min, the temperature is kept for 40min, and then the temperature is reduced to 80 ℃ at the speed of 2 ℃/min.
10. The manufacturing process of the selenium/far infrared composite functional fiber seamless knitted bra of claim 8, wherein the dyeing prescription in the second step is as follows: dye (o.w.f): 3% active leveling agent: 2g/L, anhydrous sodium sulphate: 70g/L, soda: 25g/L, glacial acetic acid: 0.6mL/L and a bath ratio of 1: 15; adding alkali and sodium hydrosulfite after the first-step dyeing, heating to 90 ℃, reducing and cleaning for 20min, then cooling to 35 ℃, neutralizing the pH value with glacial acetic acid, then heating to 80 ℃ for washing for 10min, cooling to 35 ℃, sequentially adding a dyeing agent, anhydrous sodium sulphate and an auxiliary agent, heating to 60 ℃, dyeing for 30min, adding alkali, continuously preserving the heat at 60 ℃ for dyeing for 45min, and cooling and washing with water.
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