Classifications

• • D—TEXTILES; PAPER
  • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
  • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
  • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
  • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
  • D02G3/449—Yarns or threads with antibacterial properties
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F1/00—General methods for the manufacture of artificial filaments or the like
  • D01F1/02—Addition of substances to the spinning solution or to the melt
  • D01F1/10—Other agents for modifying properties
  • D01F1/103—Agents inhibiting growth of microorganisms
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
  • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
  • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
  • D01F6/605—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides from aromatic polyamides
• • D—TEXTILES; PAPER
  • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
  • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
  • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
  • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
• • D—TEXTILES; PAPER
  • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
  • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
  • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
  • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
  • D02G3/04—Blended or other yarns or threads containing components made from different materials
  • D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
  • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
  • D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
  • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
  • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
  • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
  • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
  • D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
  • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
  • D10B2331/04—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

Definitions

• the present disclosure relates especially to textile industries, and, more particularly, to a polymeric yam and composition having antimicrobial and/or antibacterial properties.
• a purpose of the present disclosure is to provide a polymeric yarn and composition having antimicrobial and/or antibacterial properties, to include all advantages of the prior art, and to overcome the drawbacks inherent in the prior art.
• an object of the present disclosure is to provide a polymeric composition or polymeric yarn made from such composition, and method of making such polymeric composition or polymeric yarn that incorporates antimicrobial and/or antibacterial properties.
• the polymeric composition or polymeric yarn shows improved color fastness than previously exhibited.
• Another object of the present disclosure is to provide a polymeric composition or polymeric yam having an herbal masterbatch with herbal component therein that incorporates antimicrobial and/or antibacterial properties.
• Another object of the present disclosure is to provide a method for preparing a polymeric yarn having an herbal masterbatch with herbal component therein that incorporates antimicrobial and/or antibacterial properties.
• a polymeric composition having antimicrobial and/or antibacterial properties e.g. for textile materials includes: (i) an herbal masterbatch, and (ii) a base polymer.
• the base polymer may include one of polybutylene terephthalate (PBT) or polyethylene terephthalate (PET), or polyamides, or polypropylene.
• the herbal masterbatch may include: (a) an herbal component that may include Neem or Turmeric or combination or extract thereof, preferably in a range of 1% w/w to 75% w/w, and (b) a carrier polymer, preferably in a range of 25% w/w to 99% w/w.
• the carrier polymer may be the same as the base polymer and may include at least one of: polybutylene terephthalate (PBT), polyethylene terephthalate (PET), or polyamides, polypropylene.
• the herbal masterbatch and the base polymer may be melted and extruded together at a temperature in a range of 175 °C to 300°C to obtain the polymeric yarn having the herbal component in a range of 0.01% to 10% in weight of the polymeric yarn.
• the herbal component may be present in the final product in an amount of from 0.01% to less than 1.0 % or from 0.01% to 0.9 % or from 0.02% to 0.8% in weight of the polymeric material.
• a preferred herbal component is tetrahydrocurcumin (THC) or equivalent hydrogenated extract of turmeric. Such extracts have been found to be more efficacious, allowing lower quantities to be used, while having better color fastness.
• Other items of manufacture requiring antimicrobial and/or antibacterial properties may also be produced using the polymeric composition by extrusion, molding, 3-D printing, spinning or the like.
• a method for preparing a polymeric yam having antimicrobial and/or antibacterial properties for textile materials may include: preparing an herbal masterbatch, wherein the herbal masterbatch includes: (i) an herbal component or extract of Neem or Turmeric or combination thereof, preferably in a range of 1% w/w to 75% w/w, and a carrier polymer having at least one of polybutylene terephthalate (PBT), or polyethylene terephthalate) (PET), polyamides, or polypropylene, wherein the carrier polymer is preferably in a range of 25% w/w to 99% w/w; ; (ii) mixing the herbal masterbatch with a base polymer, optionally in a range of 0.01% w/w to 10% w/w herbal masterbatch to 90% w/w to 99.99% w/w of the base polymer, wherein the base polymer comprises one of polybuty
• the herbal component may be present in the final product in an amount of from 0.01% to less than 1.0 % or from 0.01% to 0.9 % or from 0.02% to 0.8% in weight of the polymeric material.
• a preferred herbal component is tetrahydrocurcumin (THC) or equivalent hydrogenated extract of turmeric.
• THC tetrahydrocurcumin
• Other items of manufacture requiring antimicrobial and/or antibacterial properties may also be produced using the polymeric composition by extrusion, molding, 3-D printing, spinning or the like.
• preparing the herbal masterbatch may include: (i) melting a mixture of the herbal component and the carrier polymer at a temperature in a range of 175°C to 300°C to obtain a melted homogeneous mixture of the herbal component and the carrier polymer, wherein the mixture of the herbal component and the carrier polymer comprises: Neem or Turmeric or extract or combination thereof, preferably in the range of 1% w/w to 75% w/w, and the carrier polymer having at least one of the polybutylene terephthalate (PBT), or the poly(ethylene terephthalate) (PET), or the polyamides, or polypropylene, wherein the carrier polymer is preferably in the range of 25% w/w to 99% w/w; and (ii) solidifying the melted homogeneous mixture herbal component and the carrier polymer underwater at a temperature in a range of 4°C to 30°C to obtain the herbal masterbatch.
• PBT polybutylene terephthalate
• PET poly(ethylene
• an herbal masterbatch composition in another aspect, includes an herbal component and a carrier polymer.
• the herbal component may include Neem or Turmeric or extract or combination thereof in a preferred range of 1% w/w to 75% w/w.
• the carrier polymer may include at least one of: polybutylene terephthalate (PBT), polyethylene terephthalate (PET), or polyamides, or polypropylene.
• PBT polybutylene terephthalate
• PET polyethylene terephthalate
• polyamides or polypropylene.
• the carrier polymer may be in a preferred range of 25% w/w to 99% w/w.
• the Neem or Turmeric or combination thereof may be used in a powder form having size of the powder is in a range of 0.001 microns to 25 microns to make the polymeric yarn.
• the Neem or Turmeric or extract or combination thereof may be used in a liquid form to make the polymeric yam.
• the herbal component may be tetrahydrocurcumin (THC) or equivalent hydrogenated extract of turmeric, present in the polymer masterbatch in an amount of from 0.01 wt% to 75 wt %, preferably in an amount of from 0.5 wt% to 10 wt%.
• the herbal masterbatch may be used for making a polymeric yarn, fiber or filament for textile materials as described above and hereinafter.
• a polymeric yarn, fiber or filament for making textile material may include an herbal component having Neem or Turmeric or extract or combination thereof; and a base polymer having one of polybutylene terephthalate (PBT) or polyethylene terephthalate (PET), or polyamides, or polypropylene, wherein the herbal component in the polymeric yarn is in a range of 0.01% to 10% based on the weight of the polymeric yarn.
• the herbal component may be present in the final product in an amount of from 0.01% to less than 1.0 % or from 0.01% to 0.9 % or from 0.02% to 0.8% in weight of the polymeric material.
• a preferred herbal component is tetrahydrocurcumin (THC) or equivalent hydrogenated extract of turmeric.
• the yarn, fiber or filament is a colored yam having improved color fastness.
• the yarn, polymeric composition, herbal masterbatch or item of manufacture may be colored in any suitable manner.
• a yarn, filament, fiber or other item of manufacture is colored by solution dyeing using a colored masterbatch.
• the colored masterbatch may be provided in an overall amount of between 0.1% and 20% by weight of the final product, preferably between 1% and 10% or between 2% and 4%.
• the colored masterbatch may be added separately or combined with the herbal masterbatch.
• yarns or textiles may be dyed by any other conventional process such as vat dyeing, using any suitably dye, including but not limited to acid dyes and dispersed dyes.
• FIGS. lAto 1C illustrate various kind of yams having herbal content therein that exhibits antimicrobial and/or antibacterial properties for textile materials, in accordance with an exemplary embodiment of the present disclosure.
• FIGS. 2A and 2B illustrate methods of making yarns of FIGS. 1A to 1C, in accordance with an exemplary embodiment of the present disclosure.
• the term “% w / w” or wt % used herein means grams of solute dissolved in 100 grams of solution or grams per 100 grams of the whole.
• the present disclosure provides a polymeric composition having antimicrobial and/or antibacterial properties that may be used in yams, filaments and fibers for textile materials.
• the polymeric composition may include an herbal masterbatch and a base polymer.
• the polymeric composition may include the herbal masterbatch in a range of 0.01% w/w to 10% w/w, and the base polymer may be in a range of 90% w/w to 99.99% w/w, which means that if 0.01% w/w of herbal masterbatch is used than 99.99 w/w of the base polymer may be used, and if 10% w/w of herbal masterbatch is used then 90% w/w of the base polymer may be used.
• the polymeric composition may include the herbal masterbatch in a preferable range of 0.1% w/w to 8% w/w, and the base polymer may be in a preferable range of 99.9 w/w % to 92% w/w, which means that if 0.1%w/w of herbal masterbatch is used than 98% w/w of the base polymer may be used, and if 8% w/w of herbal masterbatch is used then 92% w/w of the base polymer may be used.
• the polymeric composition may include the herbal masterbatch in a more preferable range of 2% w/w to 5% w/w, and the base polymer may be in a most preferable range of 98% w/w to 95% w/w, which means that if 2% w/w of herbal masterbatch is used then 98% w/w of the base polymer may be used, and if 5% w/w of herbal masterbatch is used then 95% w/w of the base polymer may be used.
• the skilled person will be aware that the choice of the ratio of herbal masterbatch to base polymer will generally depend on the manufacturing process and the ability to accurately dose and mix the masterbatch. A more concentrated masterbatch, will require more accurate dosage and may be more susceptible to variations but will have the advantage of requiring smaller stocks of masterbatch.
• the herbal masterbatch in such embodiment of the polymeric composition, may include the herbal component that may have Neem or Turmeric or extract or combination thereof in a range of 1% to 75% w/w, preferably in a range of 10% w/w to 40% w/w; more preferably in a range of 20% w/w to 30% w/w, for example about 25% w/w or 30% w/w.
• the herbal masterbatch in such embodiment of the polymeric composition, may include a carrier polymer in a range of 25% w/w to 99% w/w; preferably in a range of 90% w/w to 60% w/w; more preferably in a range of 80% w/w to 70% w/w, for example about 75% w/w or 70% w/w.
• the Neem or Turmeric or extract or combination thereof may be used in a powder form having a size of the powder in a range of 0.001 microns to 25 microns to make the herbal masterbatch.
• the Turmeric or extract or combination thereof may be used in a liquid form to make the herbal masterbatch.
• the carrier polymer in such herbal masterbatch, may be one of polybutylene terephthalate (PBT), polyethylene terephthalate (PET), polyamides or polypropylene.
• a chemical extract of Neem or Turmeric or combination thereof may be used to make the herbal masterbatch.
• Such chemical extract that may be extracted from the Neem may include, but not limited to, nimbin, nimbanene, 6- desacetylnimbinene, nimbandiol, nimbolide, ascorbic acid, n-hexacosanol and amino acid, 7-desacetyl-7-benzoylazadiradione, 7-desacetyl-7-benzoylgedunin, 17-hydroxyazadiradione and nimbiol [3], [10], [12],
• the chemical extract that may be extracted from the Turmeric may include, but is not limited to, Curcuminoids or Curcumin in particular, tetrahydrocurcumin.
• One or other chemical extract of Neem or Turmeric may be used in combination or alone to obtain the effective result.
• the base polymer in such embodiment of the polymeric composition, may include one of polybutylene terephthalate (PBT) or polyethylene terephthalate (PET), or polyamides, or polypropylene.
• the polyamides may generally include Polyamide 6 (PA6) or Polyamide 66 (PA66).
• PA6 Polyamide 6
• PA66 Polyamide 66
• the base polymer and the carrier polymer may generally be of the same polymer group in such polymeric composition.
• the polymeric composition as described above may be utilized to manufacture a polymeric yarn 100 or a twisted continuous polymeric yam 200 or a bulk continuous filament (BCF) polymeric yarn 300 as shown in FIGS. 1A, IB and 1C.
• Such yarns made from the polymeric composition as described above exhibit antimicrobial and/or antibacterial properties.
• Those manufactured using THC also exhibit very favorable color and light fastness.
• FIG. 2A a block diagram of a method 400 for preparing such polymeric yam 100 or the twisted continuous polymeric yarn 200 or the BCF yam 300 having antimicrobial and/or antibacterial properties is illustrated in FIG. 2A.
• the method 400 may include, at 410, preparation of an herbal masterbatch, such as the herbal masterbatch as described above.
• preparation of the herbal masterbatch may include certain steps, such as steps 412, 414 and 416, as shown in FIG. 2B.
• Preparation of the herbal masterbatch may, at 412, include mixing the herbal component having chemical extract of Neem or Turmeric or combination thereof, and the carrier polymer, for example, PBT, PET, polyamides, or polypropylene, in desired proportion as mentioned above.
• the carrier polymer for example, PBT, PET, polyamides, or polypropylene
• the mixture of the herbal component and the carrier polymer are melted at a temperature in a range of 175°C to 300°C; preferably in a range of 200°C to 275°C; more preferably in a range of 220°C to 275 °C, to obtain a melted homogeneous mixture of the herbal component and the carrier polymer.
• the melted homogeneous mixture of the herbal component and the carrier polymer may be solidified at a temperature in a range of 4°C to 30°C to obtain the herbal masterbatch.
• the herbal masterbatch may go under granulation, which involves cutting the masterbatch into granules of the size in the range of 40 chips per gram to 200 chips per gram; preferably in the range of 60 chips per gram to 100 chips per gram; more preferably in the range of 70 chips per gram to 90 chips per gram.
• the base polymer which includes one of PBT, PET, polyamides, polypropylene is prepared in the form of granules. Furthermore, at 430 the herbal masterbatch and the base polymer are mixed together in desired ranges such as described above.
• the mixture of the herbal masterbatch and the base polymer are melted and extruded at a temperature in a range of 175°C to 300°C; preferably in a range of 200°C to 290°C; more preferably in a range of 220°C to 280°C, to obtain the polymeric yam having the herbal component in a range of 0.01% to 10%; preferably in the range of 0.01% to 1%; more preferably, in the range of 0.01% to 0.9%, by weight of the polymeric yarn.
• the polymeric yarn 100 may be formed by a single-step continuous process, on a single machine line, including the steps of: extruding, spinning, quenching, spin finish application, drawing, and/or texturing, cooling, intermingling and winding at the predetermined parameters.
• the mixture of the herbal masterbatch and the base polymer are melted and extruded at the gradual temperature having a range of 175 °C to 300°C through a plurality of temperature zones, and at a pressure range of 60bars to 130bars.
• the step of spinning is performed, followed by a gradual quenching, at the predetermined parameters, via, an air flow, having a quenching air flow temperature in a range of 10°C to 25°C, quenching air flow rate in a range of 0.1 m/sec to 0.4 m/sec, and quenching air flow pressure in a range of Ibars to 4bars.
• spin finish application is performed.
• the spin finish application yam is sequentially drawn at predetermined parameters, such as drawing speed and drawing temperature.
• the drawing speed may be in a range of 760mpm to 3500mpm
• the drawing temperature range may be in a range of 80°C to 190°C.
• the drawn yarn may be optionally textured at a texturing temperature range of 120°C to 190°C and a texturing vacuum pressure range of 50mbars to 150mbars.
• the drawn yarn may be cooled intermingled and wounded to obtain the polymeric yarn 100 having the herbal component in a range of 0.01% to 10%; preferably in a range of 1% to 8%; more preferably greater than 1% to up to 6%, on weight of the polymeric yarn.
• the method 400 may further include cabling or twisting the polymeric yam in a range of 40 TPM (Twist Per Meter) to 350TPM; preferably in a range of 120TPM to 230TPM; more preferably in a range of 180TPM to 220TPM to obtain the polymeric yam with twists 200 (hereafter may also be referred to as “twisted polymeric yarn 200”), as shown in FIG. IB.
• TPM Transmission Per Meter
• Such twisted polymeric yarn 200 may also include the herbal component in the range of 0.01% to 10%; preferably in the range of 1% to 8%; more preferably, greater than 1% to up to 6%, on weight of the polymeric yarn.
• the method 400 may further include heat setting the twists of the polymeric yarn, such as the BCF yarn 300.
• Heat treating may be carried out by a fluid, such as air, steam, or any other compressible liquid or vapor capable of transferring heat to the twisted yarn as it continuously travels through a heat setting device.
• the temperature of such fluid must be such that the yam does not melt. If the temperature of the yarn is above the melting point of the yarn it is necessary to shorten the time in which the yarn dwells in the heat setting device.
• This step of heat setting utilizes such stream capable of transferring heat to the twisted yarn as it continuously travels through the heat setting device, at a temperature 100°C to 200°C; preferably 120°C to 190°C; more preferably 125°C to 190°C.
• This process is affected by the length of time during which the twisted yarn is exposed to the heating medium (time/temperature effect). Generally, useful exposure times are from 30 seconds to 90 seconds; preferably from 40 seconds to 60seconds.
• a polymeric yam such as the yarns 100, 200 and 300 may be made with an herbal component (not necessarily the herbal masterbatch) having the chemical extract of Neem or Turmeric or combination thereof; and the base polymer having one of PBT, PET, polyamides, polypropylene, wherein the herbal component in the polymeric yarn is in a range of 0.01% to 10%; preferably in the range of 0.01% to 1%; more preferably, in the range of 0.01% to 0.9%, by weight of the polymeric yam.
• the production of pre-mixed polymeric compositions for use in manufacturing of components, including yarns, filaments, fibers and other items of manufacture, is sometimes referred to compounding.
• the polymeric composition is thus pre-mixed in the required proportions as disclosed above and hereinafter, including herbal component and any required color component for producing the end product.
• the polymeric yarns such as the yarns 100, 200 and 300 may exhibit a denier per filament (DPF) ratio measuring in a range of 0.5 DPF to 50 DPF; preferably in a range of 1 DPF to 40 DPF; more preferably in a range of 3 DPF to 20 DPF .
• DPF denier per filament
• the one or more of the polymeric yarns, fibers or filaments as described above may be used to make or be included in, various kind of textile materials, including but not limited to: floor coverings such as carpets, mats and rugs; seat coverings and upholstery; woven fabrics; knitted fabrics; tufted fabrics; fleeces; non-wovens; felts; and so forth.
• the present disclosure further relates to textile materials comprising fibers, filaments or yams formed from a polymer composition comprising from 0.01 wt % to 10 wt% of a herbal component of Neem or Turmeric, in particular THC.
• the herbal component is by weight of the textile material, which may include, but is not limited to, either one of knitted, tufted, non-woven or woven textile materials.
• the textile material made from such yams shows tremendous improvement in killing or controlling the growth of bacteria or microorganism that may flourish on textile materials. More specifically, use of the herbal composition shows tremendous improvement in killing or controlling the growth of bacteria, particularly gram positive and gram negative bacteria, or microorganism, on the textile materials by about 90% to 99.99%, as shown by various lab test presented in Table 1 below:
• the present disclosure is advantageous in providing such composition, yarn or textile material that may control the growth or kills bacteria or microorganism that may flourish on textile materials. More specifically, the present disclosure is advantageous in providing such textile material that may control the growth or kills bacteria or microorganism via the herbal means that may flourish on textile materials. Furthermore, the present disclosure is advantageous in providing a method of preparing such textile material that may control the growth or kills bacteria or microorganism via the herbal means that may flourish on textile materials.
• polyester yams of 1250 denier/240 filaments were extruded to include 3% of a masterbatch incorporating 2% active curcumin.
• the curcumin masterbatch exhibits a natural dark yellow color, which gives the yam a light yellow tone.
• the resulting yams had a total curcumin content of 0.06 % by weight.
• Three shades of solution or dope dyed yam were tested, together with an undyed version (colored only by the curcumin).
• polyester yarns of 1325 denier/144 filaments were extruded to include 2% of a masterbatch incorporating 3% tetrahydrocurcumin.
• the resulting yams had a total THC content of 0.3 % by weight.
• THC is white and the products made with THC, exhibit a natural white or light creamish color allowing colored yarns to be produced without any significant tonal deviation.
• Three shades of solution or dope dyed yam were tested, together with an undyed version.

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• Engineering & Computer Science (AREA)
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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Mechanical Engineering (AREA)
• Manufacturing & Machinery (AREA)
• Artificial Filaments (AREA)
• Compositions Of Macromolecular Compounds (AREA)

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• 2020
  • 2020-10-16 EP EP20202333.9A patent/EP3954812A1/de not_active Withdrawn
• 2021
  • 2021-01-27 JP JP2021011525A patent/JP2022032928A/ja active Pending
  • 2021-01-29 CN CN202110128616.7A patent/CN112796013A/zh active Pending
  • 2021-02-25 AU AU2021201250A patent/AU2021201250A1/en not_active Abandoned
  • 2021-08-10 NZ NZ797051A patent/NZ797051A/en unknown
  • 2021-08-10 WO PCT/IB2021/057357 patent/WO2022034490A1/en not_active Ceased
  • 2021-08-10 AU AU2021326058A patent/AU2021326058A1/en active Pending
  • 2021-08-10 EP EP21755585.3A patent/EP4196628B1/de active Active
  • 2021-08-10 CA CA3187842A patent/CA3187842A1/en active Pending
  • 2021-08-10 US US18/018,892 patent/US20230313419A1/en active Pending

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