CN111394855A

CN111394855A - Multifunctional skin care yarn and preparation method and application thereof

Info

Publication number: CN111394855A
Application number: CN202010327331.1A
Authority: CN
Inventors: 宫怀瑞; 徐良平; 胡雪丽
Original assignee: Luolai Home Textile Co Ltd; Luolai Lifestyle Technology Co Ltd; Shanghai Luolai Lifestyle Technology Co Ltd
Current assignee: Luolai Home Textile Co Ltd; Luolai Lifestyle Technology Co Ltd; Shanghai Luolai Lifestyle Technology Co Ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-07-10

Abstract

The invention provides a multifunctional skin care yarn and a preparation method and application thereof, wherein the skin care yarn is obtained by blending and deforming spun yarns of at least two raw material fibers, and the skin care yarn comprises a skin care material.

Description

Multifunctional skin care yarn and preparation method and application thereof

Technical Field

The invention belongs to the field of home textile fabrics, and particularly relates to a multifunctional skin care yarn and a preparation method and application thereof.

Background

In recent years, research and development of functional health care home textile fabrics have attracted great attention, and become a popular topic in the field of textile fabric scientific research. The research of extracting beneficial components from traditional Chinese medicines for textiles also draws great attention of people. The invention aims to blend the yarns prepared from the traditional Chinese medicines with the skin care effect and the materials with related functions, so that the prepared blended yarns have multiple health care functions of resisting aging, resisting ultraviolet rays, resisting radiation, whitening, moisturizing, inhibiting bacteria and the like, can be applied to various clothes and home textile materials, and have unique effect on skin aging caused by various factors.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a multifunctional skin care yarn, a preparation method and application thereof.

In order to achieve the above objects and other objects, the present invention includes the following technical solutions: the invention firstly provides a multifunctional skin-care yarn.

The invention also provides a preparation method of the multifunctional skin care yarn.

The invention also provides the use of the yarn as described above in skincare household textiles.

As mentioned above, the invention discloses a multifunctional skin care yarn and a preparation method and application thereof, the skin care material with a special formula is added into cellulose fiber, and reasonable draft ratio, twist and fineness are set in the blending process, so that the prepared yarn has multiple functions of whitening, skin care, antibiosis and the like, and after spun yarn is finished, post-treatment can be carried out, so that the yarn has a certain three-dimensional structure, and the skin care effect is further improved.

Drawings

Fig. 1 shows a schematic structure diagram of various stages of a three-dimensional structure of a yarn according to an embodiment: a: initial form, B stretched form, C fine sand post form, D crimped form.

Fig. 2 is a flow chart of a method for preparing the multifunctional skin care yarn of the invention.

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.

Household textile for skin care

The skin-care household textile provided by the invention is a household decorative textile comprising skin-care ingredients, and specific examples of the skin-care household textile can include but are not limited to bed kits, such as a sheet, a quilt cover, a pillow cover, a bed cover, a mosquito net, a blanket, a throw pillow, a cushion cover and the like; core quilts, such as pillows, quilts, and the like; mattresses and the like; household items such as furniture shoes, furniture clothes, curtains, cloth art, back cushions, carpets, and the like; sanitary articles such as towels, bath towels, hair drying hats etc. which are used for domestic and public applications such as hotels, theaters, dance halls, airplanes, trains, cars, ships, malls, companies, offices etc. in many places.

The term "skin care ingredients" in the present invention refers to substances that promote absorption and metabolism of the human body and maintain a healthy state, including but not limited to cosmetic ingredients and medicinal ingredients. Examples thereof include health components, whitening components, moisturizing components, antibacterial components, cleansing components, antiaging components, temperature controlling components, deodorizing components, cooling and warming components, and also include antiperspirant components, fragrance components, blood circulation promoting components, skin itching relieving components, etc.

In a specific embodiment, the skin care component can be a health component, and the health component can be specifically a traditional Chinese medicine with the effects of stopping bleeding and removing blood stasis, such as angelica, ligusticum wallichii, safflower, caulis spatholobi, trogopterus dung, rhizoma corydalis, frankincense, myrrh, radix puerariae, erigeron breviscapus, salvia miltiorrhiza and ginkgo leaves; peach kernel, herba patriniae, motherwort, turmeric, diverse wormwood herb, ground beetle, leech and gadfly; herba et Gemma Agrimoniae, Notoginseng radix, pollen Typhae, rhizoma Bletillae, flos Sophorae Immaturus, radix Sangusorbae, folium Platycladi, radix Rubiae, crinis Carbonisatus, radix Cirsii Japonici, palm, nodus Nelumbinis Rhizomatis, etc.; chinese medicinal materials with dispersing effect, such as herba Ephedrae, ramulus Cinnamomi, Perillae herba, Notopterygii rhizoma, radix Angelicae Pubescentis, herba Schizonepetae, radix Saposhnikoviae, herba asari, herba Moslae, radix Angelicae Dahuricae, and radix Gentianae Marcrophyllae; radix Puerariae, bupleuri radix, herba Menthae, semen Sojae Preparatum, semen Phaseoli Radiati, folium Mori, flos Chrysanthemi, herba Spirodelae, and cimicifugae rhizoma; clematis root, dahurian angelica root, Chinese starjasmine stem, acanthopanax bark, kadsura pepper stem and the like; chinese medicinal materials with dampness removing and diuresis promoting effects, such as herba Agastaches, herba Eupatorii, fructus Citri Sarcodactylis, rhizoma Atractylodis, cortex Magnolia officinalis, and fructus Tsaoko; bland drugs such as Poria, medulla Tetrapanacis, and semen Coicis; herba plantaginis, Alismatis rhizoma, caulis Akebiae, radix Stephaniae Tetrandrae, herba Dianthi, Polyporus, rhizoma Dioscoreae Septemlobae, and herba Polygoni Avicularis; chinese medicinal materials with effects of clearing away internal heat, such as Coptidis rhizoma, Scutellariae radix, cortex Phellodendri, rhizoma anemarrhenae, fructus Gardeniae, radix Gentianae, fructus forsythiae, herba Artemisiae Annuae, Prunellae Spica, cortex moutan, and flos Lonicerae; fresh radix rehmanniae, gypsum, bamboo leaves, bamboo shavings, radix trichosanthis, cortex lycii radicis, rhizoma phragmitis and couchgrass root; figwort root, rhinoceros horn, natural indigo, dyers woad leaf, puffball, blackberry lily, subprostrate sophora, bunge corydalis herb, isatis root and the like. Chinese medicinal materials with lung-qi dispersing effect, such as radix Peucedani, burdock, semen Armeniacae amarum, Bulbus Fritillariae Cirrhosae, radix Platycodi, cortex Mori, folium Eriobotryae, fructus Aristolochiae, Bulbus Lilii, radix Stemonae, and semen Scaphii Lychnophori; rhizoma Cynanchi Stauntonii, Inulae flos, radix Asteris, and flos Farfarae; arisaema cum bile, pinellia ternate, semen brassicae, perillaseed, tabasheer, pumice, cobblestone, succus bambusae, seaweed, kelp, jellyfish and the like. Chinese medicinal materials for calming endogenous wind and tranquilizing mind, such as Magnetitum and Haematitum; rhizoma Gastrodiae, ramulus Uncariae cum uncis, Concha Haliotidis, Concha Ostreae, cornu Saigae Tataricae, carapax Eretmochelydis, Scolopendra, and Scorpio; polygala root, jujube kernel, platycladi seed, dens draconis, cinnabar, poria with hostwood, pearl powder and the like; chinese medicinal materials with insecticidal effect, such as fructus quisqualis, fructus Ulmus Preparatium, Omphalia, fructus Carpesii, semen Torreyae, Arecae semen, Realgar, and radix Meliae.

In one embodiment, the skin care ingredient may be a whitening ingredient, and the whitening material may prevent or reduce the formation of melanin and/or remove excessive pigmentation from the skin, and specific examples thereof include hydroquinone or derivatives thereof such as niacinamide, arbutin, tranexamic acid, kojic acid, ellagic acid, rhododendrol, chamomile extract, fibroin, vitamin C and derivatives thereof, ascorbic acid, ascorbyl palmitate, sodium ascorbyl phosphate, magnesium ascorbyl phosphate, green tea extract, melatonin, azelaic acid, kojic acid (tripeptide), arbutin, retinoid or retinoic acid, p-cresol, nicotinyl amide, glycyrrhiza glabra, axomicin, glutathione, glycolic acid or 2-hydroxyacetic acid, aloesin, hydroquinone monobenzyl ether, soy extract, corticosteroid, acetylglucosamine, gentisic acid, ursolic acid, α -hydroxy acid, salicylic acid, deoxylinoleic acid, octadecanedioic acid, palmitic acid, stearic acid, glucoside/melatonin, retinyl ether, glycolic acid, palmitic acid, green tea extract, glutathione, and the like.

In one embodiment, the skin care ingredients may be exemplified by moisturizing ingredients, which are substances capable of locking water and, in general, are hydrophilic and can form hydrogen bonds with water. Skin moisturizers attract moisture by, for example, absorbing nearby air, and can absorb water molecules by forming hydrogen bonds. It may also retain water molecules on the skin of the user by forming a barrier layer on the skin of the user to prevent evaporation of water from the skin. For example hyaluronic acid, collagen, urea, panthenol, Natural Moisturizing Factor (NMF), ceramide, sodium pyrrolidone carboxylate (PCA Na), glycerol, urea, triacetin, caprylic/capric triglyceride, cetearyl ethylhexanoate, ethylhexyl palmitate, hyaluronic acid and its salts, butylene glycol, pentylene glycol, sucrose cocoate, shea butter, dimethylsilylated silica, sorbitan isostearate, shea butter (Butospermum parkii), d-panthenol (vitamin B5), phenoxyethanol, methyl paraben, methylchloroisothiazolinone, dimethicone, cyclomethyl, triacetin, caprylic/caprylic triglyceride, ethylhexyl palmitate, butylene glycol, caprylic/triglyceride, ethylhexyl palmitate, Butanediol, and the like.

In one embodiment, the skin care ingredients may be exemplified by antimicrobial ingredients that inhibit the growth of bacteria and/or promote wound healing. Specific examples thereof include essential oils such as chitosan, mandelic acid, salicylic acid, Triclosan (Triclosan), propolis, tea tree, rosemary, grapefruit seed, citrus extract, bamboo charcoal fiber, aloe vera fiber, lavender oil, citronellol, grapeseed oil, jojoba oil, lemongrass oil, rose oil, bergamot oil, terpinen-4-ol, sage oil, calendula oil, sunflower oil, camellia oil, marula oil, rose seed oil, avocado oil, sweet almond oil, nut oil, wild orange oil, grapefruit oil, chamomile oil, cinnamon oil, ginger oil, sage oil, eucalyptus oil, rosemary oil, cypress oil and tea tree oil, lavender oil, rose oil, terpinen-4-ol, calendula oil, lavender oil-4-ol, calendula oil, and the like.

In a particular embodiment, the skin care ingredients may be exemplified by detersive ingredients, such as hydrophobic and oleophobic amphiphiles having an average length of from 1 μm to 1000 μm, such as 65 μm, 80 μm, 150 μm, 500 μm, 800 μm, and an aspect ratio of from 1 μm to 500 μm, such as 40 μm, 80 μm, 200 μm, 300 μm. Within the above range, the hydrophilic nature of the detersive ingredient is good for human body's wet feeling, and the detersive effect is ideal. Specifically, the hydrophobic and oleophobic amphiphilic substance may be exemplified by surfactant materials (for example, anionic, cationic, zwitterionic and nonionic), and specific examples thereof may be exemplified by stearic acid, sodium dodecylbenzenesulfonate, quaternary ammonium compounds, lecithin, amino acid type, betaine type, fatty acid glyceride, sorbitan (span) fatty acid, polysorbate, alkali metal soap, triethanolamine soap, sucrose ester, disodium ethylenediaminetetraacetate, alkyl polyglycoside, propylene glycol monomethyl ether, hydrogen peroxide and the like. The water-and oil-repellent amphiphilic substance may be a polymer material (for example, a homopolymer or a copolymer) such as a fluorine-based vinyl monomer, a copolymer of a polyalkylene glycol-containing hydrophilic vinyl monomer and a non-polyalkylene glycol-based vinyl monomer, or the like.

In a specific example, the skin care ingredient may be exemplified by an anti-aging ingredient having antioxidant properties and delaying skin aging by reducing or removing free radicals from the subject, and specific examples may include polyphenols, vitamin E, astaxanthin, idebene, lycopene, retinol, squalane, ubiquinone, caprylic/capric triglyceride, tocopherol acetate, tocopherol, vitamin E, palmitoyl tripeptide-38, palmitoyl peptide complex, geranylgeranyl isopropanol, benzyl salicylate, sodium hyaluronate, gerbera flavone, mallow extract, lactose-ceramide, biological peptide, hyaluronic acid, hydroxy acids, glycoproteins, coenzyme Q10 (with vitamin E and C), ceramide complex, β -dextran, hexakis NP, carrot cell extract, α -hydroxy acids (AHA), β -hydroxy acids (BHA), glycine, nicotinamide, phytol, grape seed extract, curcuminoids, acetyl hexakis-3, palmitoyl-penta-propanol 3, palmitoyl-tripeptide, caprylic acid/capric triglyceride, geranyl oligopeptide, geranyl triglyceride, and the like.

In a specific embodiment of the present invention, the skin care component may be a temperature control component, and the temperature control component may automatically adjust according to a temperature change of an external environment to achieve temperature control, so as to form a stable temperature environment in a closed space contacting with the skin, so as to provide comfort to the human body.

In one embodiment of the present invention, the skin care ingredient may be a deodorant ingredient which removes odor in the atmosphere by adsorption or adsorption decomposition, and specific examples thereof may be selected from hemp, apocynum venetum, chitin, activated carbon, metals, inorganic substances, quaternary ammonium salts, cyclodextrins, and vitamins, hemp, menthane, pinane, cinnamic acid, geranyl formate, lauryl alcohol, pelargonic alcohol, pyrethrum, capsaicin, citronella oil, camellia oil, turpentine, chlorophyll, zinc ricinoleate, zeolite, vanillin, paraformaldehyde, zinc acetate, copper sulfate, nano-sized titanium dioxide (TiO2), silica (SiO2), zinc oxide (ZnO) aluminum oxide (Al2O3), silver zeolite, and the like.

In a specific embodiment of the present invention, the skin care ingredient may be a cool and warm ingredient, and the cool and warm ingredient may be divided into a cool and warm ingredient which makes human body feel cool and comfortable when contacting with skin, and specific examples may include pine needles, mulberry silk and mica, xylitol, erythritol, fibroin, menthol, silicone emulsion, jade cool master batch, nylon 6 chips, acrylic-polyester-polyurethane copolymer, viscose fiber, etc.; the warm feeling component can warm the human body when contacting the skin, and specific examples thereof include Capsicum frutescens, chamomile, camellia oil, graphene, aluminum trioxide, titanium dioxide, and silicon dioxide. The skin-care household textile can be prepared by spinning, weaving and dyeing and finishing raw material fibers to obtain a finished product of skin-care fabric, and then cutting the finished product into the required skin-care household textile.

In one embodiment, in the spinning process, the fiber material capable of dissolving the fiber-forming polymer in a solvent or slicing the fiber-forming polymer is heated and melted in a screw extruder to form a melt, and the melt is fed into a spinning machine after the preparation process before spinning, and the spinning solution or the melt is quantitatively, continuously and uniformly extruded from the fine holes of the spinneret by a spinning pump, so that the fine stream is solidified in water, coagulating liquid or air to form the primary fiber structure. Further, in the spinning process, the spinning machine and the spinning process used may be selected according to the kind and physicochemical characteristics of the fiber raw material, for example, the melt spinning is used, the high polymer is heated to a suitable temperature above the melting point to prepare a melt, the melt is passed through a screw extruder, and the melt is obtained by spinning, or for example, the solution spinning (including wet spinning and dry spinning, for example) is used, a suitable solvent is selected, the fiber-forming high polymer is dissolved into a spinning solution, or the high polymer is first made into a soluble intermediate and then dissolved into a spinning solution to be spun (such as viscose, vinylon, acrylic fiber, etc.).

In a specific embodiment, in the spinning process, for example, the fiber structures as described above are combined together to spin a yarn, specifically, a single fiber structure may be spun, or a plurality of fiber structures may be mixed to be blended, and the fiber structures are opened to remove impurities to remove the processes of mixing, carding, merging, drafting, twisting, and winding, so as to obtain: the opening and impurity removing process can prevent larger impurity particles in the fiber structure from extruding and damaging the fiber structure and is beneficial to subsequent mixing, and in the cotton carding process, the fiber structure in blocks is carded into a single fiber state, so that the drafting process of the fiber structure, the yarn forming strength and the yarn breakage rate of spun yarns are improved; the drafting straightens the fibers of which the hooks are in a curled state in parallel, so that the structure of the yarn is improved; the twisting process can be realized by twisting the fiber structure around the axis of the fiber structure to enable the fiber structure parallel to the axial direction of the fiber strands to be in a spiral shape, so that radial pressure is generated to fix the longitudinal connection between the fiber structures, the strength is improved, the flexibility of the yarn can be improved in a low-twist mode and a non-twist mode, and further, ring spinning, siro spinning, compact spinning, rotor spinning, air jet spinning and self-contained end spinning can be realized according to different spinning modes.

In one embodiment, the yarns or fibers may be interwoven on a loom into a woven, knitted, or nonwoven fabric (nonwoven fabric) during the weaving process. Specifically, the woven fabric is a fabric formed by interlacing two systems of yarns, i.e., a transverse direction and a longitudinal direction, which are arranged perpendicular to each other, on a loom according to a predetermined rule, and is, for example, a denim, a satin, a tweed, a hemp yarn, or the like. The woven fabric is divided into cotton fabric, medium-length fabric, wool fabric and filament fabric according to the fiber length and fineness of the woven fabric: the length of the cotton fiber is about 30mm, and the cotton fiber is formed into cotton type yarn, so that cotton type fabric is obtained; the length of the wool is about 75 mm, and the wool-type yarns are formed, so that the wool-type fabric is formed; the fibers between the cotton and wool lengths are called medium-long fibers, the formed yarns are called medium-long fiber yarns, and the fabric formed by the yarns is a medium-long fabric. The filament type fabric is a fabric woven with filaments, such as rayon fabric, polyester yarn fabric. Wherein, can also form plain weave, twill, satin and other organizations according to the organizational structure woven fabric: and are mutually sleeved. Knitted fabrics are fabrics formed by knitting yarns into loops, and are classified into weft knitting and warp knitting. The weft knitted fabric is formed by feeding yarns onto a working needle of a knitting machine from the weft direction, sequentially bending the yarns into loops and mutually sleeving the yarns, and is used for sweaters, socks and the like; warp knitted fabric is produced by using one or several sets of parallel arranged yarns, which are fed to all the needles of knitting machine and knitted simultaneously. Nonwoven fabrics (nonwoven fabrics) are non-woven fabrics formed by directly using high polymer chips, short fibers or filaments to form a web by air flow or by machine, then spunlacing, needling, or hot rolling for reinforcement, and finally post-finishing, and are classified into nonwoven fabrics for medical and sanitary use, nonwoven fabrics for home decoration, nonwoven fabrics for clothing, nonwoven fabrics for industrial use, nonwoven fabrics for agriculture, and the like according to their uses.

In a specific embodiment of the present invention, in the dyeing and finishing process, the grey fabric may be subjected to pre-treatment, post-treatment, dyeing and printing to obtain a finished fabric, the pre-treatment of the grey fabric may be to inspect the physical and appearance of the grey fabric, and the post-treatment of the grey fabric may be to improve the appearance and internal quality of the fabric, improve wearability and other application properties, or endow the fabric with a certain special function by a physical, chemical or physical and chemical combined method, which may generally include, but is not limited to, desizing treatment, sizing, heat setting, singeing, calendering, sanding, mechanical softening, chemical finishing, stiffening finishing, and waterproof finishing, water repellent finishing, flame retardant finishing, etc. Further, the dyeing can be carried out by adopting dye such as active dye, dispersing dye, vulcanizing dye and coating for pad dyeing, jig dyeing and high-temperature and high-pressure dyeing according to the types of grey fabrics such as all cotton, polyester cotton, nylon, terylene, chemical fiber products and blended products, so as to improve the color fastness of the finished fabrics.

The skin-care household textile is different from the traditional skin-care household textile, the skin-care yarn with a certain three-dimensional structure is obtained by utilizing the yarn with the skin-care function to perform blending and post-treatment, the three-dimensional structure can increase the contact area of skin-care ingredients and skin, the skin-care function is improved, the skin-care yarn also has excellent breaking strength and breaking elongation, the service life is long, the household textile is high in softness, is attached to the skin and high in comfort level, the daily maintenance requirement of a user is met, and a healthy and comfortable life style is provided.

Multifunctional skin-care yarn

Referring to fig. 1 to 2, the multifunctional skin care yarn may be a blended yarn, and the skin care yarn may be, for example, a yarn comprising at least two fibers, at least one of the fibers comprises a skin care component, and the skin care component and the fibers may be present in a ratio of 1: (20-60), the fineness of the fiber containing the skin care ingredient can be 5-30dtex, and further can be 15-30 dtex. The skin care ingredient containing fibers may comprise nanofibers having a diameter of less than 1um, e.g. 500nm, 300nm, which may comprise interconnected pores between the nanofibers, which pores may have a pore size of 10-50nm, e.g. 20nm, 30 nm. The fineness of the fiber containing the skin care components is 5-30dtex, and the length of the fiber can be 20-40 mm.

The blending process is not limited, and can be combination blending of various cellulose fiber raw materials, the blending can be a process of mixing two or more than two cellulose fibers to spin yarns, such as polyester-cotton blending, polyester-nitrile-cotton three-in-one blending and the like, and natural fibers, such as wool and cotton yarns, and synthetic fibers, such as polyester, nylon and acrylic, and the blending process can integrate the advantages of different fibers to play a role in making good for deficiencies. The skin care yarn can be yarn containing skin care ingredients, and the fibers containing the skin care ingredients can be prepared by mixing the skin care ingredients into the spinning stock solution of the cellulose fibers and carrying out processes such as spinning and the like.

The cellulose fiber in the present invention is not limited, and may include any one of high wet modulus viscose, modal, bamboo, Coolmax moisture absorbing and releasing fiber, and tencel fiber, for example. In one embodiment, the skin care component can be a traditional Chinese medicine, and the particle size D50 of the traditional Chinese medicine is less than or equal to 10 μm. In one embodiment, the skin care component can be obtained by mixing, stirring and wet grinding the skin care component raw materials for 4-6 hours to prepare skin care slurry, the powder fineness of the skin care slurry can reach D90 being less than or equal to 1 μm, the powder dispersion degree can be more than or equal to 95%, then the skin care slurry is diluted to the concentration of 15-25%, and the skin care slurry is filtered for later use.

Injecting the filtered skin care slurry and the auxiliary agent into the cellulose fiber stock solution according to the formula amount, mixing, and performing spinning and shaping to prepare the fiber containing the skin care component, wherein in one embodiment, the fiber containing the skin care component is composed of cellulose fibers and a traditional Chinese medicine skin care material, and the components are as follows by mass percent: 90-95% of cellulose fiber and 4-10% of traditional Chinese medicine. In one embodiment, the traditional Chinese medicine comprises the following components in a mass ratio of 1: (1-10) are matched. The auxiliary agent can comprise a surface dispersing agent and a surface modifier. The surface dispersant comprises one or more of long-chain fatty acid, sodium silicate, ammonium citrate, poly (meth) acrylic acid, lignosulfonate, polyethyleneimine and alginate, and the surface modifier comprises one or more of silane, phthalate ester, stearic acid, organosilicon, dodecyl alcohol and polydivinylbenzene. The density of the fibers containing skin care ingredients can be 0.015-0.480g/cm³E.g. 0.02g/cm³，0.03g/cm³The specific surface area of the fiber containing the skin care ingredients can be 150-1200m²G, e.g. 200m²/g，500m²/g，800m²The skin care ingredient-containing fibers may have a porosity of 75 to 99.5%, such as 80%, 85%, 90%, the skin care ingredient-containing fibers may have a thermal conductivity of 0.018 to 0.048W/mk, and the skin care ingredient-containing fibers may have an elastic modulus of 0.5 to 50 Mpa.

As shown in fig. 1 and 2, the multifunctional skin care yarn may be a yarn having a three-dimensional structure, and the three-dimensional yarn may be obtained by performing a texturing post-treatment, such as a crimping treatment, and the crimp may be obtained by performing a heat-drying treatment on the spun yarn, and the heat-drying temperature may be 60-80 ℃. The structure after the curling treatment can be a three-dimensional curled entangled structure, the entanglement degree can be 40-60%, for example 50%, and the yarn has a certain entanglement degree which can ensure the skin-friendly air permeability of the yarn. The crimp-treated yarn may have a breaking strength of from 11.19 to 23.89cN/tex, for example 20cN/tex, 21cN/tex, an elongation at break of from 13.65 to 25.78%, for example 20%, 21%, 22%, and a coefficient of variation of breaking strength Cv of from 8.10 to 16.8%, for example 10%, 11%, 12%.

Preparation method of multifunctional skin-care yarn

Please refer to fig. 2. As shown in fig. 2, the present invention provides a method for preparing a multifunctional skin care yarn, the method comprising two steps of S1-S3:

s1: providing a fiber containing a skin care ingredient;

s2: compounding the skin care ingredient-containing fiber and at least one other fiber;

s3: the multifunctional skin care yarn is obtained through the processes of opening picking, cotton carding, drawing, roving and spinning;

the skin care ingredient-containing fibers comprise nanofibers with diameters less than 1um, the nanofibers comprise interconnected pores, and the pore diameter of the pores is 10-50 nm.

In step S1, the skin care ingredient-containing fiber may be obtained by adding the skin care ingredient into a spinning solution of a raw material fiber, and the raw material fiber may be any one or more of a high wet modulus viscose fiber, a modal fiber, a bamboo fiber, a Coolmax moisture absorption and sweat releasing fiber, and a tencel fiber, and may be, for example, a modal fiber containing a skin care ingredient or a tencel fiber containing a skin care ingredient. In one embodiment, the weight ratio of the raw material fibers to the skin care ingredients can be (20-60):1, and blended yarn with a certain special proportion can be obtained by setting a reasonable weight ratio of the cellulose fibers to the skin care ingredients, and the adhesion rate of the skin care ingredients and the physical properties of the yarn are effectively improved.

In the step S2, the compounding includes compounding the skin care ingredient-containing fiber and another fiber, the another fiber may be a second fiber without skin care ingredient, and the fineness of the second fiber may be 10 to 20 dtex. The length of the second fibers is 30-50 mm.

In step S3, the opening may include opening, removing impurities, mixing, and coiling, wherein the opening may be to open the compressed block fibers in the cellulose fibers into small fiber blocks or small fiber bundles for subsequent spinning processes, the removing impurities may remove 50-60% of impurities in the fibrils, the mixing may be to mix different cellulose fibers uniformly, and the coiling may be to make the uniformly mixed fiber mixture into fiber coils or fiber bundles (carding process) for carding process.

Opening can be carried out through plucking machinery, snatchs the fibre promptly and feeds the place ahead machinery to play the effect of opening the mixture, edulcoration, mixture can include utilize the opener machinery, utilize various hired roughneck promptly, strike, the fibre of debonding, preliminary edulcoration, for example biax flows opener, porcupine opener.

The cotton carding is that a cover plate type or roller type cotton carding machine is utilized, small cotton bundles are carded into a single fiber state by means of needle face movement, impurities and non-spinnable short fibers are further removed, the fibers are straightened in parallel, and finally, cotton slivers are manufactured to be coiled into a sliver can.

The cotton carding process can adopt the process principle of 'soft carding, smooth transfer, light quantification, low speed, medium gauge, high tin thorn ratio and doffer speed reduction', and the drawing process can adopt three-pass combination.

In one embodiment, the roving process has a twist of 4-7 twists/10 cm and a twist coefficient of 76-90. the spinning process can adopt siro spinning and a negative Poisson ratio method, for example, the position of a front rubber roller in a spinning machine is properly moved forward in the spinning process, the area of a spinning triangular zone is reduced, an antistatic agent is sprayed on the surface of the rubber roller, and the spacing distance of a rear zone of a roller is increased.

In the cotton carding process, the light basis weight refers to the basis weight of the raw sliver, and the basis weight can be 11-15g/5 m. In the cotton carding process, the low speed is to reduce the linear speed of a cylinder roller and a licker-in roller in a spinning machine, and the high tin-to-licker-in ratio is to control the linear speed ratio of the cylinder roller to the licker-in roller to be 2.2-2.6. In the cotton carding process, the spacing between the cylinder roller and the licker-in roller in the spinning machine is controlled to be 0.12-0.16mm, the spacing between the cylinder roller and the cover plate in the spinning machine is controlled to be 0.18-0.24mm, and the spacing between the cylinder roller and the doffer roller in the spinning machine is controlled to be 0.10-0.15 mm.

In the drawing process, the drafting multiple is set to be 8-10, the speed is 180-350m/min, in the roving process, the speed is set to be 170-200m/min, and the gap of a roller jaw is set to be 25mm × 30 mm.

The spinning process can be a siro spinning blending process, in the spinning process, the roller gauge can be 18mm 3536 mm, the back zone drafting can be 1.2-1.5 times, the front roller speed can be 200-3 r/min, the siro spinning double-bell-mouth diameter can be 2.5-3 mm, the spacing can be 3-3.5 mm, and the twist coefficient can be 300-500.

In the spinning process, the skin care effect of the yarn can be controlled by controlling the drafting ratio, the twist and the fineness.

In step S2, the method may further include a post-treatment step, which may include heat treatment, sizing treatment, and mechanical texturing, wherein the heat treatment may impart a three-dimensional structure to the yarn, and the heat-treated yarn may have a three-dimensional crimp structure.

The shaping can comprise any one or more of air oxidation shaping, solvent volatilization shaping, high-temperature heat shaping, normal-temperature cold shaping, ultraviolet curing shaping, radiation shaping, thermal reaction shaping, chemical reaction shaping and infrared catalytic thermal reaction shaping, and the shaping treatment can ensure the toughness and strength of the yarn. The mechanical deformation may be, for example, a deformation caused by a certain force acting on the yarn by a certain machine.

Through yarn aftertreatment technology for the yarn has certain three-dimensional structure, can promote the structural stability of yarn to a certain extent, and compliance, fluffy degree to and better visual perception guarantee to pass through wet gas permeability, also can be bigger increase the area of contact of skin care composition and yarn, better performance skin care effect.

Note that "%" and "part(s)" shown herein mean "% by mass" and "part(s) by mass", respectively, unless otherwise specified.

Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value. 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

1. A multifunctional skin care yarn is characterized in that: the skin care yarn comprises fibers containing a skin care ingredient, the fibers containing the skin care ingredient comprise nano fibers with the diameter smaller than 1um, the nano fibers comprise mutually communicated pores, and the pore diameter of the pores is 10-50 nm.

2. The skin care yarn of claim 1, wherein: the fineness of the fiber containing the skin care components is 5-30dtex, and the length of the fiber is 20-40 mm.

3. The skin care yarn of claim 1, wherein: the skin care yarn further comprises a second fiber, wherein the second fiber comprises any one or more of cotton fiber, hemp fiber, viscose fiber, modal fiber, bamboo fiber, Coolmax moisture absorption and sweat release fiber and tencel fiber.

4. The skin care yarn of claim 1, wherein: the fineness of the second fiber is 10-20dtex, and the length of the second fiber is 30-50 mm.

5. The skin care yarn of claim 1, wherein: the skin care component is selected from one or more of health care component, whitening component, moisturizing component, antibacterial component, decontamination component, anti-aging component, temperature control component and deodorization component.

6. A preparation method of skin care yarn is characterized by comprising the following steps: the method comprises the following steps:

providing a fiber containing a skin care ingredient;

compounding the skin care ingredient-containing fiber and at least one other fiber;

the multifunctional skin care yarn is obtained through the processes of opening picking, cotton carding, drawing, roving and spinning;

7. The method of claim 6, comprising one or more of the following features:

in the roving process, the twist factor is 40-100;

in the spinning process, the twist coefficient is 300-500;

in the spinning process, the back draft multiple is 1.2-1.5 times.

8. The method of claim 6, wherein: the method further comprises a post-processing step.

9. The method of claim 8, wherein: the post-treatment comprises any one or more of thermal deformation, air deformation and mechanical deformation.

10. A skin care home textile characterized by: the skin care household textile contains skin care yarns, the skin care yarns contain fibers containing skin care ingredients, the fibers containing the skin care ingredients contain nano fibers with the diameter smaller than 1um, pores communicated with each other are contained between the nano fibers, and the pore diameter of the pores is 10-50 nm.