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WO2025183551A1 - Formulation et nanoparticules de silice pour le renforcement du cuir chevelu, surface textile de renforcement du cuir chevelu et procédé de fabrication associé - Google Patents

Formulation et nanoparticules de silice pour le renforcement du cuir chevelu, surface textile de renforcement du cuir chevelu et procédé de fabrication associé

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Publication number
WO2025183551A1
WO2025183551A1 PCT/MY2025/050012 MY2025050012W WO2025183551A1 WO 2025183551 A1 WO2025183551 A1 WO 2025183551A1 MY 2025050012 W MY2025050012 W MY 2025050012W WO 2025183551 A1 WO2025183551 A1 WO 2025183551A1
Authority
WO
WIPO (PCT)
Prior art keywords
active ingredient
textile fabric
scalp
strengthening
nanoparticles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/MY2025/050012
Other languages
English (en)
Inventor
Isabel Maria Ferreri DE GUSMÃO E SILVA
Rui Samuel DIAS DA COSTA
Moisés BARBOSA VIEIRA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biorism Holdings Sdn Bhd
Original Assignee
Biorism Holdings Sdn Bhd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Biorism Holdings Sdn Bhd filed Critical Biorism Holdings Sdn Bhd
Publication of WO2025183551A1 publication Critical patent/WO2025183551A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/08—Processes in which the treating agent is applied in powder or granular form
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/25—Silicon; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • A61K8/9783—Angiosperms [Magnoliophyta]
    • A61K8/9789—Magnoliopsida [dicotyledons]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/12—Preparations containing hair conditioners
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
    • D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • D06M15/6436—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing amino groups
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/41—Particular ingredients further characterized by their size
    • A61K2800/413—Nanosized, i.e. having sizes below 100 nm
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2400/00—Specific information on the treatment or the process itself not provided in D06M23/00-D06M23/18
    • D06M2400/01—Creating covalent bondings between the treating agent and the fibre
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2400/00—Specific information on the treatment or the process itself not provided in D06M23/00-D06M23/18
    • D06M2400/02—Treating compositions in the form of solgel or aerogel

Definitions

  • the present invention relates to a formulation with silica-based nanoparticles, a scalp strengthening textile fabric and a method of manufacturing thereof.
  • the present invention provides a method of manufacturing a textile fabric with silica based nanoparticles to inculcate scalp strengthening or hair strengthening nature in the textile fabric.
  • the present invention further provides a scalp strengthening textile fabric wearable by a user having scalp-strengthening properties thereof.
  • Textile headgears encompassing a variety of items such as head scarves, hijabs, turbans, and caps, serve cultural, religious, and fashion purposes. Despite their widespread use, prolonged and intensive adornment of these headgears has been associated with significant scalp-related concerns. Research indicates that the aggressions resulting from such extended wear can disrupt the scalp barrier function, leading to issues like sensitivity, irritation, greasiness, and dandruff — key factors contributing to hair loss and compromised hair health.
  • US 586 B2 Patent discloses a nonwoven web comprising one or more particulate active agents and a plurality of interentangled, polar solvent-soluble, non-thermoplastic filaments comprising one or more filament-forming materials.
  • one or more filament-forming materials comprises a polar solvent-soluble material having a hydroxyl polymer and one or more active agents included in the plurality of inter-entangled, polar solvent-soluble, non-thermoplastic filaments to produce an intended effect in an environment external to the plurality of inter-entangled, polar solvent-soluble, nonthermoplastic filaments.
  • US 427 B2 Patent entitled “Cosmetic composition based on nanoparticles and on water-soluble organic silicon compounds” having a filing date of March 29, 2001, Applicant: LOREAL SA.
  • the US 427 B2 Patent discloses a composition having a cosmetically acceptable medium containing water and/or a solvent, metal, metal oxide, metal carbide or nitride nanoparticles or mixtures thereof.
  • the composition further includes one or several organic silicon compounds soluble in water and/or in the solvent, having one, two or three silicon atoms, and at least two hydroxyl or hydrolysable groups per molecule.
  • the US 427 B2 Patent further discloses that the disclosed composition is applicable to hair care compositions.
  • US 509 B2 Patent discloses a hair treatment preparation comprising a payload in an intimate relationship to a polymeric nanostructure, wherein the polymeric nanostructure being reactive to hair or capable of being immobilized onto or in hair.
  • the US 509 B2 Patent further discloses that the nanoscopic nature of the entities being engineered ensures three distinct characteristics. First, the imparted attribute can be either nearly permanent or semi-permanent, depending on the attachment chemistry. Second, the nanoscopic entities are invisibly small. Their presence does not deteriorate the hand or feel of the hair. Third, the nano-technology approach is infinitely flexible and adaptable.
  • the present invention relates to a formulation with silica-based nanoparticles, a scalp strengthening textile fabric and a method of manufacturing thereof.
  • the present invention provides a method of manufacturing a textile fabric with silica based nanoparticles to inculcate scalp strengthening or hair strengthening nature in the textile fabric.
  • the present invention further provides a scalp strengthening textile fabric wearable by a user having scalp-strengthening properties thereof.
  • One aspect of the present invention provides a formulation of a compound of Formula I having scalp strengthening active ingredient embedded onto a textile fabric using hydrolysable saline compound:
  • R1 is a cellulose based textile fabric, preferably with a linear chain structure of (C 6 Hi 0 O 5 )n;
  • R2 is the scalp strengthening active ingredient comprising a plurality of polyphenols, preferably (CuH ⁇ O ⁇ n picetannols;
  • n is indicative of repetitive structure units pertaining to R1 and R2; and
  • R3 and R4 consist of either hydroxyl groups or the active ingredient R2 linked to the hydrolysable silane compound through their respective terminal hydroxyl groups.
  • the scalp strengthening active ingredient comprises at least one hydroxyl group at terminal ends thereof, for connecting the active ingredient with the hydrolysable saline.
  • a further aspect of the present invention provides that the cellulose based textile fabric comprises at least one hydroxyl groups at terminal ends thereof, for connecting the cellulose based textile fibre with the hydrolysable saline.
  • Still another aspect of the present invention provides that the plurality of polyphenols present in the active ingredient is 0.6-1 g/kg.
  • the scalp strengthening active ingredient further comprises a fermentation gum derived from sorbitol
  • the a fermentation gum is a branched saccharide sequence rich in rhamnose, galactose and glucuronic acid.
  • a scalp-strengthening textile fabric comprising: a composition of nanoparticles (102) of silica formed through a sol-gel process; at least one scalp strengthening active ingredient (104) adsorbed on the nanoparticles using hydrolysable silane as a binder (108); and a textile fabric (510) comprising a cellulose polymer (106), wherein the cellulose polymer and the formulation of active ingredient loaded silica nanoparticles are linked via glycidyl group in epoxy form.
  • a further aspect of the present invention provides that the at least one active ingredient (104) is selected from at least one of: passion fruit extract containing piceatannol compound; and fermentation gum derived from sorbitol, with the fermentation gum containing a branched saccharide sequence rich in rhamnose, galactose and glucuronic acid.
  • the at least one active ingredient (104) comprises hydroxyl groups for linking the at least one active ingredient (104) with the nanoparticles via covalent bonds.
  • Another aspect of the present invention provides a method (200) for producing a scalp strengthening textile fabric , the method (200) comprising steps of: preparing a water miscible solution of at least one scalp strengthening active ingredient and a hydrolysable silane compound (202); adding the solution prepared in step 202 to a solution of sodium silicate and a tensoactive substance, to obtain a first mixture (204); forming a sol-gel by stirring and adjusting a pH level of the first mixture, wherein the sol-gel is formed to be embedded in an emulsion comprising a solvent phase and an aqueous phase, wherein the solvent phase comprises an organic solvent while the aqueous phase comprises the at least one scalp strengthening active ingredient (206); adjusting the pH level to a neutral level and evaporating the solvent phase for forming a formulation of active ingredients loaded nanoparticles, wherein the formulation of the active ingredients loaded nanoparticles is formed in an aqueous dispersion form (208); preparing a textile treatment bath using the formed formulation by applying at least
  • a further aspect of the present invention provides that preparing a water miscible solution of at least one scalp strengthening active ingredient and a hydrolysable silane compound (202) further comprises steps of (300): adding the at least one scalp strengthening active ingredient to the hydrolysable silane to create a second mixture, and thereby stirring the second mixture (302); and allowing the stirred second mixture to sit for 1.5-2.5 hours at a temperature between 10°C and 60°C, to obtain the water miscible solution (304).
  • Still another aspect of the present invention provides that forming the sol-gel via stirring and pH adjustment (206) further comprises steps of (400): stirring the first mixture for at least 50 to 70 minutes (402); adding ammonium chloride to the stirred first mixture for changing pH level of the first mixture, to obtain a third mixture (404); and adding acetic acid to the third mixture until the pH decreases to four, forming the sol-gel (406).
  • forming the sol-gel by stirring and adjusting the pH level further comprises forming at least one hydrogen covalent bond between at least one hydroxyl, OH group of the active ingredient and silica matrix of the sol-gel.
  • a further aspect of the present invention provides that applying the textile treatment bath prepared in step 210 to the textile fabric (212) further comprises steps of (500): padding textile fabric with the textile treatment bath and passing through squeezing rollers (502); treating the textile fabric with hydrolysable silane solution at 100 to 150 degree Celsius, enabling the active ingredients loaded nanoparticles to be surrounded by a film of silane through a condensation polymerization reaction (504) ; and accelerating the condensation polymerization reaction by releasing water during the post-treating step (504) in a customised machinery (506).
  • treating the textile fabric with hydrolysable silane solution (504) further comprises linking the scalp strengthening active ingredients loaded nanoparticles of the textile treatment bath, with the textile fabric via glycidyl group in epoxy form.
  • An additional aspect of the present invention provides that adding the at least one active ingredient to the hydrolysable silane (302) further comprises selecting the at least one active ingredient from at least one of: passion fruit extract containing piceatannol compound; and fermentation gum derived from sorbitol, with the fermentation gum containing a branched saccharide sequence rich in rhamnose, galactose and glucuronic acid.
  • Figure 1 illustrates a schematic illustration of a scalp-strengthening textile fabric, in accordance with an embodiment of the present invention
  • Figure 2 is a flowchart illustrating a method for producing a scalp strengthening textile fabric, in accordance with an embodiment of the present invention
  • Figure 3 is a flowchart illustrating a method for preparing a water miscible solution of at least one scalp strengthening active ingredient and a hydrolysable silane compound, in accordance with an embodiment of the present invention.
  • Figure 4 is a flowchart illustrating a method for forming the sol-gel via stirring and pH adjustment, in accordance with an embodiment of the present invention
  • Figure 5 is a flowchart illustrating a method for applying the textile treatment bath prepared in step 210 to the textile fabric, in accordance with an embodiment of the present invention
  • the present invention relates to a formulation with silica-based nanoparticles, a scalp strengthening textile fabric and a method of manufacturing thereof.
  • the present invention provides a method of manufacturing a textile fabric with silica based nanoparticles to inculcate scalp strengthening or hair strengthening nature in the textile fabric.
  • the present invention further provides a scalp strengthening textile fabric wearable by a user having scalp-strengthening properties thereof.
  • the present invention discloses a scalp-strengthening textile fabric, wherein the active ingredient for scalp strengthening is integrated into the textile fibers through the innovative application of nanotechnology. This approach not only enhances the efficacy of the fabric but also establishes a more cost-efficient and environmentally friendly method compared to traditional techniques.
  • the present invention addresses this challenge by incorporating nanoparticles that exhibit increased resistance to abrasive forces during washing. These nanoparticles are strategically positioned between the fibers constituting the textile material, reducing exposure and enhancing durability.
  • the smaller dimensions of nanoparticles provide a unique advantage, as they convey a longer-lasting effect compared to alternative methods of functionalizing surfaces on various substrates, thanks to their reduced susceptibility to abrasion forces acting on those surfaces.
  • the present invention discloses a formulation of a compound of Formula I having scalp strengthening active ingredient embedded onto a textile fabric using hydrolysable saline compound:
  • the above formulation encompasses a cellulose-based textile fabric denoted as ‘R characterized by its preferred linear chain structure of (CeHio05)n.
  • ‘R2’ represents the scalp-strengthening active ingredient, consisting of a plurality of polyphenols, particularly (C14H12O4)n picetannols.
  • the variable ‘n’ provided herein denotes the repetitive structure units associated with both ‘RT and ‘R2’.
  • 'R3' and 'R4' comprising of either hydroxyl groups or the active ingredient 'R2' linked to a hydrolysable silane compound through their respective terminal hydroxyl groups.
  • the cellulose-based texxtile fabric denoted as R1 is provided as Formula l(a):
  • the scalp-strengthening active ingredient particularly the piceatannol molecule as provided as Formula l(b):
  • hydrolysable silane is provided as Formula 1(c):
  • the scalp strengthening active ingredient comprises at least one hydroxyl group at terminal ends thereof, for connecting the active ingredient with the hydrolysable saline.
  • the cellulose based textile fabric comprises at least one hydroxyl groups at terminal ends thereof, for connecting the cellulose based textile fibre with the hydrolysable saline.
  • the hydroxyl (OH) group of the piceatannol molecule is connected to the silica-based particles.
  • This linkage occurs during a modified sol-gel process, as explained further in the detailed description, where the hydrolysable silane serves as a binder promoter, facilitating the formation of silica particles with a high surface area.
  • these piceatannol-bound silica particles exhibit an affinity for textiles.
  • these particles are attached and bound to the textile material. The nature of this attachment involves potential covalent bonds, contributing to a robust and durable connection between the active ingredient and the textile fabric.
  • the covalent bonds formed during the attachment phase are directed towards the terminal hydroxyl (OH) group of cellulosic fibers inherent in natural textiles.
  • This targeted binding enhances the stability of the nanoparticles on the textile fabric, providing a secure and enduring connection, with the hydrolysable silane playing a pivotal role in this process.
  • the versatility of present invention extends to synthetic fibers.
  • the bound nanoparticles are not limited to natural fibers but may also find fixation on the surface of synthetic fibers. This adaptability ensures that the invention can be applied across a range of textile materials, both natural and synthetic.
  • the plurality of polyphenols present in the active ingredient is 0.6-1 g/kg. Specifically, the plurality of polyphenols present in the active ingredient is 0.8g/kg. It will be appreciated that the plurality of polyphenols has antioxidant and antiinflammatory properties. The high concentration of total polyphenols existing in the active ingredient (up to 0.8 g/kg) contribute to the efficacy of the active ingredient and provide an improved text fabric.
  • the scalp strengthening active ingredient further comprises a fermentation gum derived from sorbitol, the fermentation gum is a branched saccharide sequence rich in rhamnose, galactose and glucuronic acid.
  • the present invention attains a remarkable advancement in the durability and stability of functionalized textiles.
  • These textiles exhibit resilience against various environmental conditions and endure numerous wash cycles, showcasing the enhanced durability conferred by the inventive process.
  • the scalp-strengthening textile fabric (100) comprises a composition of nanoparticles (102) of silica formed through a sol-gel process. Furthermore, the scalp-strengthening textile fabric (100) also comprises at least one scalp strengthening active ingredient (104) and a textile fabric (510). Notably, the at least one scalp strengthening active ingredient (104) is adsorbed on the nanoparticles using hydrolysable silane as a binder (108). This binding process ensures a secure attachment of the active ingredient to the silica nanoparticles, contributing to the overall efficacy of the textile fabric.
  • the textile fabric (510) comrpises a cellulose polymer (106), wherein the cellulose polymer and the formulation of active ingredient loaded silica nanoparticles are linked via glycidyl group in epoxy form.
  • This cellulose polymer and the formulation of active ingredient- loaded silica nanoparticles establish a connection through the glycidyl group in its epoxy form.
  • This linking mechanism enhances the bond between the cellulose polymer and the active ingredient-loaded nanoparticles, providing a cohesive and durable integration within the textile fabric.
  • the composition of nanoparticles integrates hydrophilic or water-soluble products, formed through a modified sol-gel process inspired by Stober et al.
  • This process employs a silicate precursor for silica.
  • the active ingredient known for its scalp-strengthening properties, is incorporated into the particles during the nanoparticle synthesis. Subsequently, the active ingredient binds to the textile material post-processing, involving treatment with water, fixing agent, and binder.
  • An inherent advantage of these products lies in their superior antimicrobial properties, characterized by the absence of habituation or bacterial resistance when compared to other antimicrobial alternatives.
  • the scalp-strengthening textile fabric incorporates a selection of the at least one active ingredient (104) from specific sources.
  • the active ingredient may be derived from either passion fruit extract, containing the beneficial piceatannol compound, or a fermentation gum obtained from sorbitol.
  • the fermentation gum is characterized by a branched saccharide sequence abundant in rhamnose, galactose, and glucuronic acid. This diverse selection of active ingredients enhances the scalp-strengthening properties of the textile fabric, providing a versatile and effective solution.
  • the at least one active ingredient (104) of the scalp-strengthening textile fabric exhibits hydroxyl, OH groups. These hydroxyl groups play a pivotal role in establishing robust covalent bonds between the active ingredient and the nanoparticles.
  • hydrolysable silane acts as a binder between the active ingredient and the textile fabric. Such bonding mechanism ensures a secure and durable attachment, contributing to the overall stability and efficacy of the scalp-strengthening textile fabric.
  • FIG. 2 there is illustrated a flow chart of a method (200) for producing a scalp strengthening textile fabric, in accordance with an embodiment of the present invention.
  • the method commences at step (202), where a water-miscible solution is prepared, containing at least one scalp-strengthening active ingredient and a hydrolysable silane compound. Subsequently, the solution from step 202 is introduced, at step (204), into a solution comprising sodium silicate and a tensoactive substance, resulting in the formation of a first mixture. Progressing to step (206), the method involves the creation of a sol-gel through a process of stirring and pH adjustment applied to the first mixture.
  • the sol-gel is intentionally embedded in an emulsion characterized by a solvent phase and an aqueous phase.
  • the solvent phase utilizing an organic solvent, is distinct from the aqueous phase, which contains the aforementioned scalp-strengthening active ingredient.
  • pH adjustment is implemented to attain a neutral level, concurrently with the evaporation of the solvent phase.
  • This process yields a formulation of nanoparticles loaded with active ingredients, presenting itself in an aqueous dispersion form.
  • a textile treatment bath is prepared using the formulated dispersion, with the incorporation of at least one of a dispersant and a thickening agent.
  • step (212) the textile treatment bath prepared in step 210 is applied to the textile fabric, thus completing the method (200).
  • Said multi-step methodology ensures the effective integration of scalpstrengthening properties into the textile fabric through a well-defined and controlled production process.
  • FIG. 3 wherein there is illustrated a method (300) for preparing a water miscible solution of at least one scalp strengthening active ingredient and a hydrolysable silane compound (202).
  • Said method (300) initiates at step (302) that comprises adding the at least one scalp strengthening active ingredient to the hydrolysable silane to create a second mixture, and thereby stirring the second mixture (302).
  • step (304) the stirred second mixture is subjected to a resting period lasting between 1.5 to 2.5 hours. This interval transpires at a controlled temperature ranging from 10°C to 60°C, culminating in the attainment of the water-miscible solution.
  • This strategic sequence of steps ensures the optimal preparation of a solution that incorporates the scalpstrengthening active ingredient with the hydrolysable silane, catering to the formulation's specific requirements.
  • FIG. 4 wherein there is illustrated a method (400) for forming the sol-gel via stirring and pH adjustment (206).
  • the method commences at step (402) that comprises stirring the first mixture for at least 50 to 70 minutes, followed by adding ammonium chloride to the stirred first mixture for changing pH level of the first mixture, to obtain a third mixture at step (404).
  • the method further includes adding acetic acid to the third mixture until the pH decreases to four, forming the sol-gel at step (406).
  • forming the sol-gel by stirring and adjusting the pH level further comprises forming at least one hydrogen covalent bond between at least one hydroxyl, OH group of the active ingredient and silica matrix of the sol-gel.
  • the method (500) encompasses the application of the textile treatment bath to textile fabric by padding, followed by the passage through squeezing rollers at step (502).
  • the method (500) involves subjecting the textile fabric to a hydrolysable silane solution at temperatures ranging from 100 to 150 degrees Celsius. This thermal treatment facilitates the encapsulation of active ingredient-loaded nanoparticles, enveloping them in a silane film through a condensation polymerization reaction.
  • the method (500) accelerates the condensation polymerization reaction by introducing water during the post-treating step (504), achieved through the utilization of specialized machinery.
  • the present invention discloses that the treatment of textile fabric with the hydrolysable silane solution (504) encompasses the linking of scalpstrengthening active ingredient-loaded nanoparticles from the textile treatment bath to the textile fabric, achieved via the glycidyl group in epoxy form.
  • the method includes the addition of the at least one active ingredient into the hydrolysable silane (302), with the selection of the at least one active ingredient from compounds such as, but not limited to, passion fruit extract containing the piceatannol compound, and fermentation gum derived from sorbitol.
  • the fermentation gum boasts a branched saccharide sequence rich in rhamnose, galactose, and glucuronic acid, offering diverse formulation possibilities.

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Abstract

La présente invention divulgue une formulation d'un composé possédant un principe actif de renforcement du cuir chevelu, R2, incorporé sur une surface textile à base de cellulose, R1. La présente invention divulgue en outre une surface textile de renforcement du cuir chevelu (100) comprenant une composition de nanoparticules (102) formée par un procédé sol-gel, au moins un principe actif de renforcement du cuir chevelu (104), et une surface textile à base de polymère de cellulose (106). De plus, la présente invention divulgue également un procédé (200) de production d'une surface textile de renforcement du cuir chevelu. Le procédé (200) consiste à préparer une solution miscible dans l'eau du principe actif et du silane hydrolysable, à former une solution sol-gel incorporée dans une émulsion, à ajuster le pH et à évaporer le solvant pour produire des nanoparticules chargées de principe actif. Cette formulation est appliquée à la surface textile, créant une surface textile de renforcement du cuir chevelu durable avec des liaisons covalentes entre le polymère de cellulose et des nanoparticules chargées de principe actif.
PCT/MY2025/050012 2024-02-27 2025-02-21 Formulation et nanoparticules de silice pour le renforcement du cuir chevelu, surface textile de renforcement du cuir chevelu et procédé de fabrication associé Pending WO2025183551A1 (fr)

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CN109610165B (zh) * 2018-10-12 2021-04-20 杭州创屹机电科技有限公司 一种抗菌光催化麻纤维的制备方法
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US427A (en) 1837-10-18 Machine for cleaning wool of burs and other foreig-n substances
US509A (en) 1837-12-07 Waterproof mail-carriage
US586A (en) 1838-01-27 Island
US8377427B2 (en) 2000-03-31 2013-02-19 L'oreal Cosmetic composition based on nanoparticles and on water-soluble organic silicon compounds
US6821509B2 (en) 2000-04-14 2004-11-23 Cosmetica, Inc. Nanoscopic hair care products
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EP3030077B1 (fr) * 2013-06-12 2019-09-11 Success Gadget Nanotecnologia E Novos Materiais, Lda. Formulations et nanoparticules de silice réactives ayant une activité répulsive contre les insectes sur un substrat textile et d'autres matériaux, et procédé de préparation et de fixation s'y rapportant
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