Classifications

• • 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
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
  • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
  • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
  • A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
  • A41D13/1115—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a horizontal pleated pocket
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
  • D10B2201/01—Natural vegetable fibres
  • D10B2201/10—Bamboo
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
  • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
• • 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
  • D10B2401/13—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
  • D10B2403/00—Details of fabric structure established in the fabric forming process
  • D10B2403/01—Surface features
  • D10B2403/011—Dissimilar front and back faces
  • D10B2403/0114—Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns
• • 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
  • D10B2501/04—Outerwear; Protective garments
  • D10B2501/042—Headwear
• • 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
  • D10B2505/00—Industrial
  • D10B2505/04—Filters

Definitions

• the present invention relates to a textile fabric made of a bamboo viscose material and at least one additive, as well as the use of the textile fabric for producing a garment and/or a mask, and its production process.
• the textile element is DE 20 2016 104 745 U1 limited to a textile element that has a net structure.
• the textile element is not made of bamboo viscose, but of natural fibers. According to a preferred embodiment, these natural fibers can be DE 20 2016 104 745 U1 Bamboo fibers and/or coconut fibers.
• the textile fabrics made from bamboo materials known in the prior art have the disadvantage that they cannot be washed at an elevated temperature of, for example, at least 60°C and/or are not suitable for tumble drying. Therefore, the possible uses of the textile fabrics made from bamboo materials known in the prior art are severely limited, as they lose their shape and shrink when washed at an elevated temperature of, for example, at least 60°C or in the dryer, meaning they are not reusable after a wash step at an elevated temperature of, for example, at least 60°C or a tumble dryer cycle. Furthermore, the textile fabrics made from bamboo materials known in the prior art are limited to single jersey textiles and textile elements with a mesh structure.
• EP 1 679 394 A1 reveals a cellulose filament yarn made from bamboo.
• JP 2003-155646 A is a knitted fabric for underwear that features a yarn made from bamboo viscose and an elastic fiber.
• DE 20 2006 019 805 U1 A cut-resistant glove made of a textile material containing cut-resistant fibers and bamboo fibers is known.
• CN 109463819 A reveals a knitted mask containing a highly elastic yarn.
• the above object is achieved according to the invention by providing a textile fabric, wherein the textile fabric comprises at least bamboo viscose or a bamboo viscose derivative and at least one additive, wherein the bamboo viscose or the bamboo viscose derivative has a mass fraction of at least 50 wt.% of the textile fabric, in particular of at least 60 wt.% of the textile fabric, and the at least one additive comprises a recycled polyester, wherein the recycled polyester has a mass fraction between 25 wt.% and 50 wt.% of the textile fabric.
• bamboo viscose or a bamboo viscose derivative has beneficial effects on textiles, as bamboo viscose or a bamboo viscose derivative has antibacterial and disinfectant properties, is odor-binding, breathable, and skin-friendly, regulates heat and cold, and supports moisture absorption and release. Furthermore, the use of bamboo viscose or a bamboo viscose derivative in textiles is ecologically very beneficial, as bamboo cultivation is particularly sustainable and the production of bamboo viscose requires significantly less water than, for example, the production of viscose from other wood materials.
• bamboo is the fastest-growing plant species in nature, and thus the bamboo viscose textile raw materials according to the invention can be produced significantly faster and in a more environmentally friendly way than conventional textile raw materials such as cotton.
• textile fabric in the context of this invention is to be understood as a flat, usually two-dimensional, flexible material that has a wide range of uses, for example, in the clothing industry.
• a textile fabric is produced from one or more yarns by a manual or mechanical textile-forming technique such as warp knitting, weaving, or knitting.
• the term “textile fabric” refers analogously to a fabric, a textile, a textile element, or similar interchangeable terms for a textile fabric that are familiar to those skilled in the art.
• the term “textile fabric” in the context of this invention refers to viscose textiles made from bamboo pulp, such as bamboo viscose.
• a "yarn" within the meaning of this invention can consist of fibers of plant origin (so-called natural plant fibers, including cotton, linen, coconut, jute), animal origin (so-called natural animal fibers, including wool, silk, angora, cashmere, horsehair), or chemical origin (man-made fibers made of natural polymers, such as viscose, cupro, modal, lyocell, acetate, or triacetate; or man-made fibers made of synthetic polymers, such as polyester, polyamide, polyacrylic, elastane, polypropylene, or polyurethane).
• fibers are understood to mean yarns, continuous filaments, cords, fiber tows (for example, for ripping processes), uncrimped or crimped staple fibers, and industrially woven, knitted, braided, or twisted materials.
• Yarns or threads can be obtained through the spinning process, in which fibers are first opened, cleaned, parallelized, drawn, and partially combed. The fibers are then fed to a spinning machine as a sliver, which then twists, elongates, and twists the spun fibers together to create a long thread of the desired fineness.
• the production of synthetic or near-natural fibers by extruding liquid plastic from nozzles is also called “spinning," with the latter being performed using melt, wet, or dry spinning.
• the term "knitted” or “knitted textile fabric” refers to a textile or fabric that is or has been produced using the knitting technique. Knitting is a joining process and refers to the use of knitting and stitch combinations, whereby different thread systems are combined to form stitches. Therefore, the term “knitted fabric” is understood according to the invention to mean a textile fabric. which has been created by stitch formation. Knitting can be done mechanically, for example using a weft-knitted fabric or a linking machine.
• the term weft-knitted fabric refers to knitted fabrics that are made from a single yarn thread and are round or flat knitted products.
• warp-knitted fabric refers to knitted fabrics in which numerous threads are used, with a separate thread and a separate needle for each stitch.
• Knitted textiles have the particular advantage that they hardly crease and are light and particularly breathable, so they are used in particular for the production of jersey shirts, tricots and nylon tights. Knitted textiles also include lace, curtain fabrics, plush and velvet.
• the knitting of a textile fabric according to the invention can be done by any knitting process that is familiar to the person skilled in the art.
• woven or "woven textile fabric” refers to a textile or fabric made from at least two threads or thread systems. These thread systems are referred to as the warp (lengthwise) and the weft (crosswise), which are intersected during the weaving process.
• the pre-tensioned warp threads form the carrier into which the weft threads are successively drawn from one selvedge to the other across the entire weaving width.
• the weft thread always moves laterally at a 90° angle through the warp thread, creating the basic textile fabric structure, which is referred to in technical terms as a "weave.”
• the weaving of a textile fabric according to the invention can be achieved using any weaving method familiar to the skilled person.
• viscose in the context of this invention refers to synthetic fibers obtained from the sustainable raw material cellulose. Viscose is classified as near-natural synthetic fibers and, according to the invention, can also be referred to as "rayon staple fiber” or "regenerated cellulose fiber.” Cellulose can be obtained from wood, cotton waste, or bamboo. According to the invention, viscose obtained from bamboo is used.
• the starting material for bamboo viscose is bamboo cellulose in a regenerated, i.e., recycled, state. This starting material is then dissolved in various chemicals until a viscous, viscous mass is formed. This viscous, viscous mass is then sprayed through jets into a dilute sulfuric acid solution using a dry or wet spinning process.
• Viscose fibers can be understood as synthetic cotton fibers, wool fibers or silk fibers and also have comparable material properties. Viscose textiles, for example, have skin-friendly, soft and comfortable wearing properties. Another characteristic of viscose is its extremely high absorbency.
• Viscose is used in a variety of areas of life, for example in the form of cleaning cloths, cotton swabs, tampons, packaging films, artificial casings and paper for banknotes. Because viscose is extremely versatile, comfortable to wear, and easy to care for, it is also used in the production of everyday textiles, especially in the outerwear sector, for example in the production of sweaters, dresses, accessories, and sportswear.
• the term “bamboo viscose” refers to viscose obtained from bamboo.
• the term “bamboo viscose derivative” refers to any derivatized bamboo viscose obtained by modifying a "bamboo viscose,” for example, by conjugating additional components.
• Bamboo viscose derivatives can also be obtained by using additional or different detergents, by additional or different solubilization steps, or by additional or different separation process steps.
• bamboo viscose derivatives also include chemically modified bamboo viscose fabrics. Such modifications include, but are not limited to, glycosylation, ubiquitination, lipid conjugation, sumoylation, methylation, and other post-translational modifications of a bamboo viscose known to those skilled in the art.
• the term "yarn count,”"yarnstrength,” or “titer” of a yarn, fiber, or filament refers to its linear mass.
• a high yarn count means a lower mass-to-length ratio.
• the yarn count can be measured in tex (tex), where a "tex” corresponds to a Grams per 1,000 meters.
• one unit “dtex” or “decitex” represents 1 gram per 10,000 meters.
• One unit “ktex” or “kilotex” represents 1 kilogram per 1,000 meters.
• the fineness of a yarn can influence the appearance of a textile surface in such a way that a fine yarn can produce a very uniform surface appearance, while a coarse yarn can achieve a more rustic character.
• the textile fabric comprises at least one additive in addition to bamboo viscose or a bamboo viscose derivative.
• the term "at least one" in the context of this invention should be understood as at least one single substance, i.e., recycled polyester, or 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, or any number of substances.
• the term "at least one" additive in the context of this invention should be understood, for example, as at least one single additive, or 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, or any number of additives.
• the term “at least one” within the meaning of this invention encompasses any number of substances or additives, preferably evenly distributed. However, within the meaning of this invention, the term “at least one” is also intended to encompass any number of substances or additives that are unevenly distributed.
• Non-limiting examples of the at least one additive in addition to the recycled polyester content of at least 25% by weight according to the invention include (i) cellulosic fibers such as cotton, rayon or linen; (ii) protein-containing fibers such as silk or wool; (iii) synthetic fibers such as polyester, recycled polyester, elastane, recycled cotton, polyamide, polypropylene, acrylic or nylon; (iv) plant fibers from jute, flax, ramie, coir, kapok, sisal, henequen, abaca or hemp.
• cellulosic fibers such as cotton, rayon or linen
• protein-containing fibers such as silk or wool
• synthetic fibers such as polyester, recycled polyester, elastane, recycled cotton, polyamide, polypropylene, acrylic or nylon
• the at least one additive is selected from the group consisting of elastane, cotton, silk, fleece, wool, polyester, recycled cotton, recycled polyamide, polyamide, recycled polypropylene and polypropylene.
• the yarn count of the yarn of the at least one additive is above 0.8 dtex, preferably 0.9 dtex to 300 dtex, particularly preferably 1.5 dtex to 250 dtex, most preferably 2 dtex to 200 dtex.
• Recycled polyester refers to any polyester obtained from old polyester and/or PET material.
• the use of recycled polyester material has the particular advantage of being particularly environmentally friendly and CO2-neutral, as recycled polyester is obtained primarily from old, used PET bottles.
• the use of recycled polyester is particularly preferred because, on the one hand, it significantly reduces waste.
• recycled polyester offers immense potential for energy savings: It has been shown that, compared to the production of conventional cotton or the production of new polyester, a percentage saving of 40% to 85% of the energy used is possible. In addition, there is a potential saving of up to 90% in the water required for the production of recycled polyester compared to the water required for the initial production of polyester.
• the recycled polyester can then be further processed into a textile.
• the individual polyester molecules split in this way can be used as building blocks for the production of new products, such as new textiles.
• the composition comprising bamboo viscose or a bamboo viscose derivative and at least one additive is used as a yarn for a textile fabric.
• the textile fabric according to the invention comprises at least bamboo viscose or a bamboo viscose derivative and a recycled polyester, wherein the recycled polyester has a mass fraction between 25 wt.% and 45 wt.% of the textile fabric, in particular between 30 wt.% and 40 wt.% of the textile fabric or about 35 wt.% of the textile fabric.
• a composition comprising bamboo viscose or a bamboo viscose derivative and a recycled polyester for use as yarn for a textile fabric is in accordance with the invention, as this composition exhibits particularly surprising and advantageous effects. It has been discovered that the use of a recycled polyester in a textile fabric according to the invention in a mass fraction between 25 wt.% and 45 wt.% of the textile fabric, in particular between 30 wt.% and 40 wt.% of the textile fabric or approximately 35 wt.% of the textile fabric, enables the resulting textile fabrics to be washable and suitable for tumble drying at an elevated temperature of, for example, at least 60°C.
• the addition of such a proportion of recycled polyester in the textile fabric does not reduce the beneficial effects that bamboo viscose or a bamboo viscose derivative has on a textile fabric, such as the antibacterial effect, breathability, skin compatibility, heat and cold regulating effect, and support of moisture absorption and release.
• the addition of a sufficiently high proportion of recycled polyester in the textile fabric (at least 25% by weight, preferably about 35% by weight) surprisingly solves the problem of bamboo textile fabrics known in the prior art, namely that they shrink during a washing step at an elevated temperature of, for example, at least 60°C or a dryer cycle and are therefore not reusable.
• the measures according to the invention namely the admixture of a sufficiently high proportion of recycled polyester to the bamboo viscose in the textile fabrics, thus overcome the disadvantages of the prior art, since a textile fabric according to the invention comprising bamboo viscose or a bamboo viscose derivative and a recycled polyester, wherein the recycled polyester has a mass fraction of between 25 wt.% and 45 wt.% of the textile fabric, in particular between 30 wt.% and 40 wt.% of the textile fabric or approximately 35 wt.% of the textile fabric, is washable and suitable for tumble drying at an elevated temperature of, for example, at least 60°C and is nevertheless antibacterial, odor-binding, breathable and skin-friendly, has a heat and cold regulating effect and supports the absorption and release of moisture by the textile fabric.
• a composition of bamboo viscose and recycled polyester is particularly preferred, the composition comprising approximately 65% by weight of bamboo viscose and approximately 35% by weight of recycled polyester, since it has surprisingly been found that textile fabrics consisting of approximately 65% by weight of bamboo viscose and approximately 35% by weight of recycled polyester do not lose their shape or shrink when washed at an elevated temperature of, for example, at least 60°C or in a dryer, so that they remain unchanged and are therefore reusable after a washing step at an elevated temperature of, for example, at least 60°C or a dryer run. Therefore, a textile fabric consisting of approximately 65% by weight of bamboo viscose and approximately 35% by weight of recycled polyester is particularly preferred. This textile fabric is characterized in that it is washable at a temperature of at least 40°C, in particular of at least 60°C, and is suitable for tumble drying.
• the recycled polyester content used in the fabric contributes to its strength and durability, which is particularly suitable for industrial laundry. Furthermore, recycled polyester is environmentally friendly and differs from the polyester used in microfiber fabrics in its yarn count.
• the yarn count of the bamboo viscose yarn corresponds to approximately 10 to 300 dtex, preferably 50 to 250 dtex, particularly preferably 100 to 200 dtex, most preferably 140 to 160 dtex, or approximately 150 dtex.
• the yarn count of the yarn of the at least one additive corresponds to approximately 0.9 to 300 dtex, preferably 1.5 to 250 dtex, particularly preferably 2.0 to 200 dtex.
• the yarn count of the bamboo viscose yarn corresponds to about 10 to 300 dtex, preferably 50 to 250 dtex, more preferably 100 to 200 dtex, most preferably 140 to 160 dtex or about 150 dtex
• the yarn count of the recycled polyester yarn corresponds to 0.9 dtex to 200 dtex, preferably 1.2 dtex to 150 dtex, more preferably 1.5 dtex to 100 dtex, more preferably 1.8 dtex to 85 dtex, or about 83 dtex.
• the yarn count of the bamboo viscose yarn is approximately 10 to 300 dtex, preferably 50 to 250 dtex, particularly preferably 100 to 200 dtex, most preferably 140 to 160 dtex or about 150 dtex, and the yarn count of the recycled polyester yarn 0.9 dtex to 200 dtex, preferably 1.2 dtex to 150 dtex, more preferably 1.5 dtex to 100 dtex, most preferably 1.8 dtex to 85 dtex, or about 2.0 to 2.2 dtex.
• the textile fabric according to the invention has a basis weight of 10 grams/m 2 to 500 grams/m 2 , preferably from 50 grams/m 2 to 400 grams/m 2 , particularly preferably from 100 grams/m 2 to 300 grams/m 2 , most preferably from 150 grams/m 2 to 200 grams/m 2 . In a particularly preferred embodiment, the textile fabric according to the invention has a basis weight of 170 grams/m 2 .
• the textile fabric according to the invention comprising bamboo viscose and textured recycled polyester has a basis weight of 10 grams/m 2 to 500 grams/m 2 , preferably from 50 grams/m 2 to 400 grams/m 2 , particularly preferably from 100 grams/m 2 to 300 grams/m 2 , most particularly preferably from 150 grams/m 2 to 200 grams/m 2 .
• the textile fabric according to the invention comprising bamboo viscose and textured recycled polyester has a basis weight of 170 grams/m 2 .
• the term “approximately” is used to indicate a certain quantity tolerance. “Approximately” means ⁇ 10.0%, or ⁇ 5.0%, or ⁇ 1.0%, or ⁇ 0.5%, or ⁇ 0.1%.
• the textile fabric according to the invention can be any textile fabric familiar to the person skilled in the art.
• the textile fabric according to the invention is selected from the group consisting of brocade, chambray, chenille, chiffon, chintz, corduroy, Cretonne, damask, denim, flannel, gingham, jacquard, jersey, crepe, linen, lyocell, matelasse, modal, oxford, percale, pique, poplin, pleated, ramie, rayon, velvet, satin, satinette, seersucker, knitwear, lace, sheers, terry cloth, twill, taffeta, tulle, tweed, voile and woolsey.
• the textile fabric according to the invention is a pique fabric, single jersey textile fabric, poplin textile fabric, twill textile fabric, or seersucker textile fabric.
• Pique is a textile fabric with a small-scale, relief-like pattern, the surface of which is characterized by raised and depressed areas. Pique consists of two layers of fabric bonded together, creating a distinctive texture. This texture prevents the fabric from sticking to the skin and wrinkles less. Pique is one of the heavier and denser types of fabric. An example of a garment made from pique is the polo shirt.
• the "Pique” manufacturing technique is more suitable for outerwear, especially for sports applications, because the “Pique” manufacturing technique has a very light, cool feel while being highly robust against external stress.
• the textile fabric according to the invention is a warp-knitted, woven, or knitted textile fabric, in particular a two-fiber warp-knitted, woven, or knitted textile fabric.
• the textile fabric is, for example, a two-fiber warp-knitted pique textile fabric or a two-fiber warp-knitted single jersey textile fabric.
• the textile fabric according to the invention is a two-fiber knitted pique textile fabric comprising about 65% bamboo viscose and about 35% recycled polyester or consisting of 65% bamboo viscose and 35% recycled polyester.
• the textile fabric according to the invention is also a two-fiber knitted single jersey textile fabric comprising about 65% bamboo viscose and about 35% recycled polyester or consisting of 65% bamboo viscose and 35% recycled polyester.
• the textile fabric according to the invention is also a two-fiber woven Twill textile fabric comprising about 65% bamboo viscose and about 35% recycled polyester or consisting of 65% bamboo viscose and 35% recycled polyester.
• the textile fabric according to the invention is a two-fiber knitted pique textile fabric comprising about 65% bamboo viscose and about 35% recycled polyester or consisting of 65% bamboo viscose and 35% recycled polyester.
• the textile fabric according to the invention is also a two-fiber knitted single jersey textile fabric comprising about 65% bamboo viscose and about 35% recycled polyester or consisting of 65% bamboo viscose and 35% recycled polyester.
• the textile fabric according to the invention has no mesh structure.
• the textile fabric according to the invention is finished (so-called "finishing"), whereby the textile fabric is trimmed and adjusted.
• finishing particularly supports the provision of a textile fabric that is washable and/or suitable for tumble drying at an elevated temperature of, for example, at least 60°C.
• a method for producing a textile fabric in particular designed according to one of the preceding claims, is provided, characterized in that the pique knitting technique has been optimized particularly for the production of the textile fabrics according to the invention.
• the improved pique knitting technique enables the production of a two-fiber knitted pique textile fabric comprising, for example, 65% bamboo viscose and 35% recycled polyester.
• the above object is achieved in a further aspect by providing the use of a textile fabric according to the invention for producing a garment and/or a mask.
• a garment and/or a mask made of at least bamboo viscose or a bamboo viscose derivative and at least one additive according to the invention, a garment and/or a mask is provided, wherein the garment and/or the mask has an antibacterial, odor-binding, breathable, skin-friendly, heat- and cold-regulating effect, has a high moisture absorption and release and is both washable and suitable for tumble drying.
• a further preferred aspect of the present invention which can be combined with the preceding aspects and exemplary embodiments, then relates to a garment which is characterized in that the material of the garment is a textile fabric according to the invention.
• the garment is characterized in that the inner side of the garment, which faces the body of the wearer, is made of bamboo viscose or a bamboo viscose derivative, and the outer side of the garment, which faces away from the body of the wearer, is woven, knitted, or warp-knitted from the at least one additive.
• the inner side of the garment, which faces the body of the wearer exhibits the advantageous effects of bamboo viscose, in particular the antibacterial, odor-binding, breathable, skin-compatible, heat-, cold-, and moisture-regulating effects.
• the textile fabrics for the garments according to the invention are uniformly woven, knitted or crocheted with two fibers, wherein the bamboo viscose yarn is used for the inside of the garments, since the bamboo viscose has an antibacterial, odor-binding, breathable, skin-friendly, heat- and cold-regulating effect and has a high moisture absorption and release, and wherein the yarn comprising the at least one additive, including the recycled polyester yarn, is used for the outside of the garments.
• a particularly preferred embodiment relates to a garment characterized in that the garment is washable at a temperature of at least 40°C, in particular at least 60°C, and suitable for tumble drying.
• the measures according to the invention therefore make the garment reusable.
• the garment comprising the textile fabric according to the invention is workwear, everyday wear, or medical wear, in particular outerwear, such as a sweater, a shirt, a polo shirt, a T-shirt, a blouse, a top, a dress, a sports top, trousers, a sports bottom, and/or an accessory.
• the garment comprising the textile fabric according to the invention is a polo shirt made of pique.
• the above object is achieved in a further aspect by providing a mask, characterized in that the material of the mask is a textile fabric according to the invention, wherein the mask is preferably a face mask.
• the term "mask” refers to a face mask, a protective mask with mouth and nose protection for protection against viral and/or bacterial infections, a respiratory mask, or similar types of masks familiar to those skilled in the art.
• the mask according to the invention preferably serves as mouth and nose protection.
• the mask comprises at least one mask body (10) and at least one elastically stretchable retaining strap (50), wherein the mask body (10) is suitable for covering the nose and mouth of a mask wearer, and wherein the at least one elastically stretchable retaining strap (50) is fastened (60) to a seam (20) of the mask on the inside and is suitable for pulling the mask body (10) against the face of the mask wearer, and wherein the mask body (10) comprises a nose clip (30) and at least one, preferably two, sewn-over areas (40) on the outside of the mask body and at least one sewn-over area (70) on the inside of the mask body, characterized in that the mask body (10) is two- or three-layered, wherein the material in each of the two or three layers is a textile fabric according to the invention, preferably wherein the at least one additive of the textile fabric is identical in each of the two or three layers, wherein each of the two or three layers has identical dimensions, and wherein each of the two or three layers were
• the at least one elastically stretchable retaining strap (50) is placed around the ears of the mask wearer such that the nose and mouth of the mask wearer are covered by the mask body (10).
• a mask according to the invention is particularly preferred in which the at least one elastically stretchable retaining strap (50) is not made of the material of the mask body (10), but is a rubber band.
• the nose clip (30) is suitable for securing the mask body (10) to the nose of the mask wearer, preventing the mask from slipping while worn.
• the at least one, preferably two, sewn-over regions on the outside of the mask body (40) and the at least one sewn-over region on the inside of the mask body (70) are suitable for providing the mask body with the property of upward and downward flexibility, which increases the wearing comfort of the mask according to the invention.
• the at least one, preferably two, sewn-over regions on the outside of the mask body (40) and the at least one sewn-over region on the inside of the mask body (70) are particularly suitable for facilitating breathing while wearing a mask according to the invention.
• a mask which is provided with at least one additional extension consisting of an elastically stretchable retaining strap (80) with at least one fastener (90), wherein the at least one additional extension consisting of an elastically stretchable retaining strap (80) with at least one fastener (90) enables the mask to be fixed to the back of the mask wearer's head by the at least one fastener (90).
• the at least one extension consisting of an elastically stretchable retaining strap (80) with at least one fastener (90) is passed through the at least one elastically stretchable retaining strap (50), which is fastened to the mask and is suitable for pulling the mask body (10) against the face of the mask wearer, and is closed by the at least one fastener (90).
• the nose and mouth of the mask wearer are covered with the mask body (10) by fastening the mask body (10) by the at least one extension of an elastically stretchable retaining band (80), which is placed through the at least one elastically stretchable retaining band (50) attached to the mask and is closed and fixed at the back of the mask wearer's head by the at least one fastener (90).
• a mask whose at least one elastically stretchable retaining band (50) and whose at least one extension consisting of an elastically stretchable retaining band (80) with at least one closure (90) is not made of the material of the mask body (10), but whose at least one elastically stretchable retaining band (50) and whose at least one extension consisting of an elastically stretchable retaining band (80) is a rubber band.
• a mask with at least two elastically stretchable retaining straps (50, 80) is therefore preferred.
• the measures according to the invention enable the provision of a mask that not only has an antibacterial and disinfectant effect, is odor-binding, breathable, and skin-friendly, regulates heat and cold, supports moisture absorption and release, is washable at an elevated temperature of, for example, at least 60°C and suitable for tumble drying, but is also easy to put on and comfortable for the wearer.
• the mask is characterized in that the inner side of the mask, which faces the nose and mouth of the wearer, is woven, warp-knitted, or knitted from bamboo viscose or a bamboo viscose derivative, and that the outer side of the mask, which faces away from the nose and mouth of the wearer, is woven, warp-knitted, or knitted from the at least one additive.
• the inner side of the mask, which faces the nose and mouth of the wearer therefore exhibits the beneficial effects of bamboo viscose, in particular its antibacterial, odor-binding, breathable, skin-compatible, heat-, cold-, and moisture-regulating properties.
• the textile fabrics for the masks according to the invention are uniformly woven, knitted, or warp-knitted in two fibers, wherein the bamboo-viscose yarn is used for the inside of a layer of a mask, and wherein the yarn comprising the at least one additive, for example the recycled polyester yarn, is used for the outside of this layer.
• a mask according to the invention consists of two or three identical layers, wherein each of the two or three layers has identical dimensions, and wherein each of the two or three layers is superimposed and sewn according to its identical dimensions.
• the two or three layers are particularly preferably superimposed in such a way and sewn, that the inside of the mask, which faces the nose and mouth of the mask wearer, is woven, warp-knitted or knitted from bamboo viscose or a bamboo viscose derivative, since the bamboo viscose has an antibacterial, odor-binding, breathable, skin-friendly, heat and cold regulating effect and has a high moisture absorption and release, and that the outside of the mask, which faces away from the nose and mouth of the mask wearer, is woven, warp-knitted or knitted from the at least one additive, according to the invention the recycled polyester yarn.
• An exemplary refinement then relates to a mask that is washable up to at least 40°C, in particular up to at least 60°C, and suitable for tumble drying.
• the measures according to the invention therefore make the mask reusable.
• a garment and/or a mask By using a textile fabric for a garment and/or a mask made of at least bamboo viscose or a bamboo viscose derivative and at least one additive with recycled polyester, a garment and/or a mask can be provided which, on the one hand, is washable and suitable for tumble drying at an elevated temperature of, for example, at least 60°C and is easy to wear, and, on the other hand, can stop infections caused by bacteria and/or viruses, since the use of a bamboo viscose or a bamboo viscose derivative in a garment and/or a mask achieves an antibacterial, odor-binding, breathable, skin-friendly, heat and cold regulating effect, and also supports the moisture absorption and release of the garment and/or the mask.
• the above object is achieved in a further aspect by providing a method for producing a garment and/or a mask designed in particular according to one of the preceding claims, wherein the method is characterized in that the method comprises the step of weaving or knitting an inner side of the garment and/or the mask from bamboo viscose or a bamboo viscose derivative, and the step of weaving or knitting an outer side of the garment and/or the mask from the at least one additive with recycled polyester.
• FIG. 1 is shown schematically the structure of an embodiment of a textile fabric according to the invention, in which different stitches, e.g. a a knit stitch (1), a skipped stitch (2), and/or a tuck stitch (3).
• the textile fabric according to the invention can be any textile fabric that has been knitted or knitted using any combination of stitches, including a knit stitch (1), a skipped stitch (2), and/or a tuck stitch (3).
• the machine for knitting a textile fabric comprises at least one cylinder and a dial, the cylinder and dial being provided with needles, each separately driven by an electronic control mechanism.
• Several needles of the cylinder are driven such that each individual needle of the cylinder can be selected to knit either a knit stitch, a skipped stitch, and/or a tuck stitch, thus making it possible to produce a textile fabric with different textures and/or different colors.
• a knit stitch (1), a skipped stitch (2) and a tuck stitch (3) are knitted repeatedly in a predetermined course direction, whereby a row of stitches (System 1 to System 8) is produced by repeated knitting.
• Each system (System 1 to System 8) of the embodiment of the Figure 1 shows the needles of the dial at the top and the needles of the cylinder at the bottom.
• a textile fabric wherein the textile fabric is produced by knitting the at least one bamboo viscose and/or the bamboo viscose derivative exclusively via the needles of systems 1, 3, 5 and 7, and wherein the textile fabric is produced by knitting the at least one additive, according to the invention the recycled polyester, exclusively via the needles of systems 2, 4, 6 and 8.
• the flexible manufacturing option according to the invention enables the production of a textile fabric, wherein the textile fabric is characterized in that the inner side of the textile fabric, which faces the wearer's body, is knitted from bamboo viscose or a bamboo viscose derivative, and the outer side of the textile fabric, which faces away from the wearer's body, is knitted from the at least one additive.
• the inner side of the textile fabric, which faces the wearer's body thus exhibits the advantageous effects of bamboo viscose, in particular the antibacterial, odor-binding, breathable, skin-compatible, heat-, cold-, and moisture-regulating effects.
• FIG. 2 A mask according to the invention is shown from the outside, facing away from the nose and mouth of the mask wearer.
• the mask comprises at least a mask body (10) and at least one elastically stretchable retaining strap (50), wherein the mask body (10) is suitable for covering the nose and mouth of a mask wearer.
• the at least one elastically stretchable retaining strap (50) is attached to the mask and is suitable for pulling the mask body (10) against the face of the mask wearer.
• the at least one elastically stretchable retaining strap (50) is placed around the ears of the mask wearer in order to cover the nose and mouth of the mask wearer with the mask body (10).
• the mask body (10) comprises a nose clip (30) which is suitable for fixing the mask body (10) on the nose of the mask wearer.
• the mask body (10) comprises at least one, preferably two, sewn-over areas (40) on the outside, wherein this area/these areas (40) are suitable for providing the mask body with a certain upward and downward flexibility, which increases the wearing comfort of the mask according to the invention.
• a mask according to Figure 2 at least one elastically stretchable retaining band (50) of which is not made of the material of the mask body (10), but is a rubber band.
• the mask comprises at least one mask body (10) and at least one elastically stretchable retaining strap (50), wherein the mask body (10) is suitable for covering the nose and mouth of a mask wearer.
• the at least one elastically stretchable retaining strap (50) is placed around the ears of the mask wearer.
• the at least one elastically stretchable retaining strap (50) is fastened (60) to the inside of the seam (20) of the mask.
• the mask body (10) comprises a nose clip (30), which is suitable for fixing the mask body (10) on the nose of the mask wearer.
• the mask body (10) comprises at least one sewn-over area (70) on the inside, wherein the area (70) is suitable for providing the mask body with a certain upward and downward flexibility, which increases the wearing comfort of the mask according to the invention.
• a mask according to Figure 3 at least one elastically stretchable retaining band (50) of which is not made of the material of the mask body (10) but at least one elastically stretchable retaining band (50) is a rubber band.
• masks which are provided with at least one additional extension consisting of an elastically stretchable retaining band (80) with at least one fastener (90).
• the embodiment of the masks according to the invention is Figures 4 to 6 analogous to the designs of masks according to the invention of Figures 2 and 3 constructed or manufactured.
• Figures 4 to 6 analogous to the designs of masks according to the invention of Figures 2 and 3 constructed or manufactured.
• at least one additional extension consisting of an elastically stretchable retaining band (80) with at least one fastener (90) is included, which enables an alternative way of wearing the mask.
• the mask wearer has the choice between two different ways of wearing the mask.
• the mask body (10) as in the embodiments of the Figures 2 and 3 , cover the nose and mouth of the mask wearer by securing the mask body (10) around the ears of the mask wearer by fastening the at least one elastically stretchable retaining strap (50), which is fastened (60) to the inside of the seam (20) of the mask.
• the mask can be fastened to the back of the mask wearer's head with the aid of the enclosed at least one extension consisting of an elastically stretchable retaining strap (80) with at least one fastener (90).
• the at least one extension consisting of an elastically stretchable retaining band (80) with at least one closure (90) is placed through the at least one elastically stretchable retaining band (50), which is attached to the mask and is suitable for pulling the mask body (10) against the face of the mask wearer, and is closed by the at least one closure (90).
• FIG. 6 an exemplary embodiment of a mask according to the invention with at least one additional extension made of an elastically stretchable retaining band (80) with at least one closure (90) is shown in a side view, wherein the mask is closed by means of the enclosed at least one extension made of an elastically stretchable retaining band (80) with at least one closure (90) at the back of the head of the mask wearer by the at least one closure (90).
• Figure 6 shows a mask according to the invention, which is placed around the mouth and nose of a mask wearer (not shown) and closed with at least one fastener (90) at the back of the mask wearer's head.
• a mask according to the Figures 4 to 6 whose at least one elastically stretchable retaining band (50) and whose at least one extension consisting of an elastically stretchable retaining band (80) with at least one fastener (90) is not made of the material of the mask body (10), but whose at least one elastically stretchable retaining band (50) and whose at least one extension consisting of an elastically stretchable retaining band (80) is a rubber band.
• masks are, for example, masks, wherein the masks are characterized in that the mask body (10) is preferably two- or three-layered, wherein the material in each of the two or three layers is a textile fabric according to the invention, and wherein each of the two or three layers of identical dimensions, which have been placed on top of each other according to their identical dimensions and sewn by means of a seam (20).
• the mask body (10) is preferably two- or three-layered, wherein the material in each of the two or three layers is a textile fabric according to the invention, and wherein each of the two or three layers of identical dimensions, which have been placed on top of each other according to their identical dimensions and sewn by means of a seam (20).
• the masks are according to the Figures 2 to 6 characterized in that the inside of the mask, which faces the nose and mouth of the mask wearer, is woven, knitted or crocheted from bamboo viscose or a bamboo viscose derivative, and that the outside of the mask, which faces away from the nose and mouth of the mask wearer, is woven, knitted or crocheted from the at least one additive.
• the textile fabrics for the masks according to the invention are uniformly knitted with two fibers, with the bamboo viscose yarn being used for the inside of a layer of the mask and the yarn comprising the at least one additive, for example, the recycled polyester yarn, being used for the outside of the layer.
• a mask according to the invention consists of two or three identical layers, each of the two or three layers having identical dimensions, and each of the two or three layers being superimposed and sewn according to their identical dimensions.
• the two or three layers are particularly preferably placed on top of one another and sewn together in such a way that the inside of the mask, which faces the nose and mouth of the mask wearer, is woven, warp-knitted or knitted from bamboo viscose or a bamboo viscose derivative, since the bamboo viscose has an antibacterial, odor-binding, breathable, skin-friendly, heat and cold regulating effect and has a high moisture absorption and release, and the outside of the mask, which faces away from the nose and mouth of the mask wearer, is woven, warp-knitted or knitted from the at least one additive, according to the invention the recycled polyester yarn.
• a mask By using a textile fabric according to the invention for the production of a mask, a mask can be provided which, on the one hand, is washable and suitable for tumble drying at an elevated temperature of, for example, at least 60°C and is easy to wear, and, on the other hand, can prevent infections caused by bacteria and/or viruses, since the use of bamboo viscose or a bamboo viscose derivative for the production of a mask has an antibacterial, odor-binding, Breathable, skin-friendly, heat and cold regulating effect is achieved in the mask, and also supports the moisture absorption and release of the mask.
• Example 1 Investigation of the properties of a bamboo-viscose-recycled-polyester pique textile fabric according to the invention
• the bamboo-viscose-recycled-polyester pique fabric according to the invention is a two-layer textile (so-called "double-face” article) consisting of 65% bamboo viscose and 35% recycled polyester.
• the fabric consists, in particular, of single-knit bamboo viscose on one side and recycled polyester pique on the other. The connections are achieved by a tuck pattern on every other needle.
• the properties of the bamboo viscose recycled polyester piqué fabric are summarized in Table 1 below: material Formation of lint or knots on textile surface Weight Color fastness to rubbing Colorfastness to washing Stability to washing pH ISO 12945-2:2013 g/m 2 ISO 105 X12:2003 ISO 105:C06 ISO 25077 ISO 3071: 2006 +/-5% dry wet Ne 40/1 100% Bamboo Ring Spun Yarn 3-4 170 4 3 4 Lengthwise -4% + 2% 6.5 75D/36F textured recycled polyester Width-wise -4% + 2%
• the skilled person is able to convert the units Ne into dtex, where, for example, 40/1 Ne corresponds to 148 dtex. Therefore, the skilled person can easily see from Table 1 that Ne 40/1 100% of a bamboo ring-spun yarn corresponds to a bamboo ring-spun yarn with a yarn count of 148 dtex.
• the skilled person also immediately and clearly sees from Table 1 that the textured recycled polyester according to the invention with the unit "75D/36F" comprises 75 dtex per 36 yarns/filaments, so that the textured recycled polyester according to the invention has a yarn count of approximately 2.0833 dtex.
• the skilled person will also note from Table 1 that the "weight,” which is given in grams/ m2 , corresponds to the basis weight of the textile fabric.
• the textile fabric according to the invention comprising bamboo viscose and textured recycled polyester, therefore has a basis weight of 170 grams/ m2 .
• the extraction procedure was carried out by incubating the test substance with acidic sweat solution according to DIN EN ISO 105-E04 for at least 4 hours under Gently shaken at 37°C; the original sweat extract was adjusted to pH 7.3 - 7.4 and sterile filtered.
• the cell culture was incubated for 24 hours with original sweat extract in two dilutions (80% and 40%).
• % Vitality 100 x [(OD570nm sample - OD570nm blank)/(OD570nm control - OD570nm blank)]
• a determined vitality of over 70% compared to the solvent control indicates that the sample is non-toxic to cells.
• the exemplary textile fabrics according to the invention comprising 95% bamboo viscose and 5% elastane, demonstrated a vitality of 100% at the 80% dilution level and a vitality of 98% at the 40% dilution level. Since the compatibility of a material is achieved when the cell vitality is over 70% compared to the solvent control, the compatibility of the exemplary textile fabrics according to the invention is ensured, so that the exemplary textile fabric according to the invention is considered skin-friendly.
• the sensitizing potential of the textile fabrics according to the invention comprising 95% bamboo viscose and 5% elastane (270 g/m 2 ) was tested using the ISO-standardized method according to AW-QM-11.08.03.068: 2017-09 A in conjunction with DIN EN ISO 10993-12: 2012-10 and DIN EN ISO 105-E04: 2013-08 by means of an in vitro screening test against U937 histiocytes (immune cells) in RPMO with 25 mM HEPES, 2% L-glutamine and 10% FCS as culture medium.
• the extraction procedure involved incubating the test substance with acidic sweat solution according to DIN EN ISO 105-Eo4 for 24 hours with gentle shaking at 37°C.
• the original sweat extract was adjusted to pH 7.3–7.4 and sterile filtered.
• the cell culture was incubated with the original sweat extract for 48 hours.
• the cells react to sensitizing substances by forming specific surface markers. Antibodies coupled with a fluorescent dye bind specifically to these surface markers. Flow cytometry is used to determine the percentage of cells labeled in this way. This yields the "relative fluorescence intensity" (RFI).
• RFI Relative Fluorescence Intensity
• MFI Mean Fluorescence Intensity
• Sensitization testing allows the assessment of the potential risk of the substances being tested to trigger allergies.
• Sensitizing substances stimulate U937 cells to form surface markers to which specific fluorescently labeled antibodies can bind.
• the percentage of positive cells is determined in the flow cytometer based on the fluorescence intensity.
• the sweat extract of the textile fabrics according to the invention exhibits biological activity in this test. No sensitization potential of the exemplary textile fabrics according to the invention was detected (RFI ⁇ 120).
• the antibacterial activity of the textile fabrics according to the invention was determined using the ISO-standardized method according to DIN EN ISO 20743A:2013-12 against Staphylococcus aureus ATCC 6538 (supplied by DSMZ) and Klebsiella pneumoniae ATCC 4352 (supplied by DSMZ) using an absorption and plate counting method. Standard PES was used as a control material (comparison sample).
• the textiles according to the invention were inoculated with a defined amount (3.01 x 105 CFU/ml) of a bacterial suspension (inoculum).
• the exemplary textile fabrics according to the invention have a significant antibacterial activity against the test strain Staphylococcus aureus ATCC 6538 used and no antibacterial activity against the test strain Klebsiella pneumoniae ATCC 4352 used.
• Example 5 Yarn weights of individual compositions according to the invention
• A. Two-sided textile fabric comprising bamboo viscose and recycled polyester
• the inventive two-sided textile fabric comprising bamboo viscose and recycled polyester is a two-sided knit with bamboo viscose on one side and pique polyester made of recycled polyester on the other. Both sides are connected by every other stitch.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Woven Fabrics (AREA)
• Knitting Of Fabric (AREA)
• Respiratory Apparatuses And Protective Means (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Priority Applications (3)

Applications Claiming Priority (1)

Related Child Applications (1)

Publications (3)

Family

ID=76098889

Family Applications (2)

Family Applications After (1)

Country Status (6)

Families Citing this family (1)

Family Cites Families (8)

• 2020
  • 2020-05-22 DE DE102020113797.4A patent/DE102020113797A1/de active Pending
• 2021
  • 2021-05-25 HR HRP20251384TT patent/HRP20251384T1/hr unknown
  • 2021-05-25 ES ES21175771T patent/ES3055197T3/es active Active
  • 2021-05-25 PL PL21175771.1T patent/PL3971332T3/pl unknown
  • 2021-05-25 EP EP21175771.1A patent/EP3971332B1/de active Active
  • 2021-05-25 RS RS20250977A patent/RS67311B1/sr unknown
  • 2021-05-25 EP EP25202514.3A patent/EP4644594A3/de active Pending

Also Published As

Similar Documents

Legal Events