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
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
  • D06M13/35—Heterocyclic compounds
  • D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
  • A61K8/0204—Specific forms not provided for by any of groups A61K8/0208 - A61K8/14
• • 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
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
  • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives 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
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
  • A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
  • A61K8/4953—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom containing pyrimidine ring derivatives, e.g. minoxidil
• • 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
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/60—Sugars; Derivatives thereof
  • A61K8/602—Glycosides, e.g. rutin
• • 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
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/87—Polyurethanes
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin
  • A61Q19/06—Preparations for care of the skin for countering cellulitis
• • 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
  • D06M11/07—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
  • D06M11/11—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
  • D06M11/13—Ammonium halides or halides of elements of Groups 1 or 11 of the Periodic Table
• • 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
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
  • D06M13/144—Alcohols; Metal alcoholates
  • D06M13/148—Polyalcohols, e.g. glycerol or glucose
• • 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
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
  • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
  • D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts 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
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
  • D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
  • D06M13/262—Sulfated compounds thiosulfates
• • 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
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
  • D06M13/325—Amines
  • D06M13/342—Amino-carboxylic acids; Betaines; Aminosulfonic acids; Sulfo-betaines
• • 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
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
  • D06M13/46—Compounds containing quaternary nitrogen atoms
  • D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
• • 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
  • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
  • D06M15/3562—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing nitrogen
• • 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
  • D06M15/53—Polyethers
• • 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
  • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
• • 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
• • 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
  • D06M23/005—Applying monomolecular films on textile products like fibres, threads or fabrics

Definitions

• the present invention relates to an underwear garment such as leggings, cycling jersey, shorts, panties, vest, top, brassiere, sock, insole and similar items, destined to come into contact with the user' s skin, suitable for performing a treatment of skin imperfections, such as cellulite.
• an underwear garment such as leggings, cycling jersey, shorts, panties, vest, top, brassiere, sock, insole and similar items, destined to come into contact with the user' s skin, suitable for performing a treatment of skin imperfections, such as cellulite.
• Active ingredients which treat skin imperfections are already known of; for example, substances such as caffeine, escin, carnitine and Indian pennywort have slimming, shaping, anti-oxidant , regenerative properties etc. Such substances are used for example as ingredients in the preparation of creams.
• microcapsules have up to now been anchored to mainly synthetic fabrics.
• microcapsules are present on the fabric in a ' localised manner, so that the action of the active ingredients contained therein is . not evenly and continuously explicated all over the surface of the body in contact with the garment. The efficacy of the treatment is therefore not optimal.
• the purpose of the present invention is ' to propose a garment able to perform a treatment of skin imperfections more efficient than those of the prior art and at the same time to ensure a high degree of comfort for the user.
• an underwear garment such as leggings, panties, a vest etc made with a cotton- based knitted fabric and at least one elastic yarn suitable for exerting a slight pressure on the anatomical part it is worn on, where a molecular film is deposited on said knitted fabric containing a combination of active ingredients for treating skin imperfections, such as cellulite.
• Said combination of active ingredients comprises at least one among a first group of the following active ingredients: caffeine, carnitine, escin, butylene glycol, sodium chloride, hydrolised carrageen, xanthan rubber, stem cells of Indian pennywort, and at least one among a second group of the following active ingredients: cocotrimonium methosulphate, polyquaternium- 68, bentrimonium chloride, stearyl ether PPG-15, hydroxypropyl guar.
• the garment is therefore made with a mainly natural fabric, only slightly compressive, suitable for being worn comfortably even for prolonged periods and above all at night.
• the active ingredients do not need to be liberated thanks to the effect of the garment fabric rubbing against the user's skin, but are spontaneously and gradually released by the fabric itself of the garment in direct contact with the epidermis.
• the active ingredients of the first group are those which specifically possess the therapeutic properties for treating the skin imperfections.
• the active ingredients of the second group are rather those which enable a molecular film to be made, suitable for being anchored to the fabric thanks to its property of chemical adhesion to the cotton yarn.
• Such substances of the second group which form the molecular film on the one hand permit an efficacious anchorage of the film to the fabric and, on the other, a gradual release .of the active ingredients of the first group which effectively explicate the treatment of the skin imperfections.
• the adhesive effect of the molecular film may be further increased by adding polyurethane to the combination of substances, for example in a percentage of up to 0.3% of the total weight of the molecular film.
• the molecular film further comprises the following additives: phenoxyethanol , caprylyl glycol,- glycerine, glyceryl caprylate.
• additives mainly perform a function as preservatives to prevent the microbiological contamination of the product.
• the active ingredients and the additives of the molecular film are provided in an aqueous solution. For example about 90% of such aqueous solution is composed of water, while the remaining 10% consists of the active ingredients and the additives.
• an improved anchorage of the molecular film to the fabric is achieved if the stitch of the fabric has a thickness and/or is machined so as to favour the retention of the molecular film.
• at least a first part of the knitted fabric is worked 1:1 in moss stitch.
• said first part of the knitted fabric is formed of one cotton yarn and two elastomeric yarns, even different from each other, such as an elastane yarn and an elastomer yarn, that is a composite yarn having an elastane core (e.g. Lycra) covered in polyamide.
• a second part of the knitted fabric which covers, for example, a part of the body not requiring such incisive treatment, may be thinner and/or worked in a simpler stitch than the first part; for example, such second part of fabric is worked in plain knit, formed of one yarn in cotton and one elastomeric yarn, such as elastane.
• the use of the deposition technology of the active ingredients in a molecular film enables the fabric to be completely coated by such active ingredients, and therefore to perform the skin treatment over the entire body surface in contact with the garment.
• the cotton yarn is an open fibre yarn.
• FIG. 1 shows an example of leggings according to the invention
• FIGS. 4 and 4a are photographs taken with a microscope of a portion of fibre with and without a molecular film coating.
• leggings 1 comprising a panty portion 10 and a leg portion 20.
• the leggings 1 are made from a knitted fabric which is composed mainly of a natural yarn, such as cotton.
• the cotton yarn is of the open fibre type.
• the cotton yarn is knitted with at least one elastic yarn. A slightly compressive effect is taken to mean that the fabric has an elasticity such as to present an extension of about 60% compared to the rest size.
• the panty part 10 in order to achieve a compromise between the efficacy of the treatment and the comfort of the garment, it was decided to make the panty part 10 in such a way as to exert a greater compressive and skin treatment effect than the leg part.
• the panty part 10 has a greater thickness and/or thicker stitch than the leg part 20.
• the panty part 10 is ribbed 1:1 in moss stitch, while the leg part 20 is in plain or stocking stitch.
• the panty part 10 is in turn divided into a central portion 102, at the groin, knitted in an alternated knit/purl stitch.
• said panty part 10 is formed of a knitted fabric made with cotton yarn, elastane and elastomer.
• the leg part 20 is rather formed of a knitted fabric made with a cotton yarn and elastane.
• the leggings have the following composition: 70% cotton, 16% polyamide, 11% elastomer, 3% elastane.
• the leggings are coated with a molecular film (figure 4) containing a combination of active ingredients for treating skin imperfections, such as cellulite.
• Said combination comprises at least one active ingredient from a first group of active ingredients having therapeutic properties for treating skin imperfections and at least one active ingredient from a second group of active ingredients suitable for forming the molecular film with properties of adhesion to the fabric of the garment and of gradual release of the active ingredients of the first group.
• the following active ingredients are part of the first group: caffeine, carnitine, escin, butylene glycol, . sodium chloride, hydrolised carrageen, xanthan rubber, stem cells of Indian pennywort.
• the following active ingredients are part of the second group: cocotrimonium methosulphate, polyquaternium-68 , bentrimonium chloride, stearyl ether PPG-15, hydroxypropyl guar.
• the adhesive effect of the molecular film is increased by adding polyurethane to the combination of active ingredients.
• the molecular film further comprises the following additives: phenoxyethanol , caprylyl glycol, glycerine, glyceryl caprylate.
• the molecular film is supplied in the form of an aqueous solution in which the garment is immersed for a certain time, such as 10 minutes, to be coated by the film.
• a certain time such as 10 minutes
• such aqueous solution is composed of about 90% water.
• the remaining 10% is composed of the active ingredients and the additives.
• the weight of the molecular film is about 2-6% of the overall weight of the garment.
• leggings weighing 100 grams before treatment come to have a final weight, of about 102-106 grams with the molecular film.
• the caffeine, sodium chloride, hydrolised carrageen and xanthan rubber are each in quantities of 0.8-1.2% of the total weight of the molecular film.
• the escin is in a quantity of 0.4-0.6% of the total weight of the molecular film.
• the carnitine is in a quantity of 0.24-0.36% of the total weight of the molecular film.
• the Indian pennywort stem cells are in a quantity of 0.08-0.12% of the total weight of the molecular film.
• the polyurethane is in a quantity of
• Such method makes use of a microencapsulation technology based on interfacial polymerisation and complex coacervation principles.
• coacervation or "phase separation” indicates a series of microencapsulation techniques based on induction using polymer solvation methods which lead to droplets of coacervate being deposited around the substance to be encapsulated, in this case the combination of active ingredients listed above.
• the droplets of coacervate are subjected to a treatment so that they acquire the form of a molecular film with properties of adhesion to the fabric and gradual release of the active ingredients all over the surface of the fabric to be treated. It is to be emphasised that such properties cannot be obtained with the microcapsules method currently used.
• the special composition of the molecular film described above assures an improved covering of the fibres, which permits an efficacious and controlled release of the active ingredients.
• Coacervation was introduced in colloid chemistry by Bungrnberg de Jong and Kruyt in 1929 to describe the phenomenon of macromolecular aggregation or separation of liquid phases which takes place- within a colloidal system. Two. liquid phases are obtained, one rich in colloid (coacervate) and the other poor (supernatant) . Coacervation is an intermediate stage between the dissolution and the precipitate; this means that it entails a partial de-solvation as opposed to the total de-solvation associated with the precipitation process. Any factor which induces the de-solvation of the polymer will produce the coacervation phenomenon. Among the factors inducing coacervation a variation in temperature, a change in the pH and the addition of a "non-solvent", a salt or incompatible polymer may be noted .
• microencapsulation process by coacervation comprises the following steps:
• the formation of the molecular film is therefore based on the phase separation induced by opposite polyelectronic charges when they are mixed in an aqueous medium.
• FIGS. 2 and 3 schematically illustrate the method of forming the molecular film.
• the tests are performed on two different areas of each of the two leggings; the machined panty part 10, and the smooth leg part 20; as said above the panty 10 is a part of the legging with a thicker stitch; the leg rather is a part of the legging with a finer, more compact stitch.
• the only difference between the two leggings is the colour, one being blue and the other black.
• the two types of legging including the two areas differentiated in each of them, have the same composition; 70% cotton, 16% polyamide, 11% elastomer, 3% elastane.
• Pieces from the different areas of the two leggings of the size of approximately 8 x 4 cm are prepared and correctly labelled.
• TAF Tissue Adhesive Film
• the formulations differ in the presence or not of the 0.1%, 0.2% of polyurethane.
• Polyurethane is a polymer with significant adhesive properties, and for this reason it was decided to try and incorporate it in the formula, so as to evaluate an increase in anchorage of the formula to the fabric.
• compositions to be tested are therefore:
• SAMPLE 1 10% TAF with no polyurethane and 90% Water;
• SAMPLE 2 10% TAF with 0.1% polyurethane and 90% Water;
• SAMPLE 3 10% TAF with 0.2% polyurethane and 90% Water;
• the various pieces of legging are weighed before the treatment.
• the various pieces of legging are treated using the following method:
• the piece of legging is put into a recipient and the solution containing 10% of TAF and water is added at room temperature (25°C), in sufficient quantity td cover the entire legging;
• the treated and dried pieces of legging are weighed to calculate the yield of the deposition.
• the quantitative deposition is found from the difference in weight before and after treatment.
• the results of the tests are expressed in % of TAF which anchors to the legging.
• Photographs are taken with the microscope of the treated and dried pieces of legging to visually assess the deposition of TAF on the legging.
• the formation of a film 30 can be seen around the fibres 40 of the legging; figure 4a instead shows a similar photograph of sample no .4 treated only with water.
• legging samples used to evaluate anchorage are subjected to the following treatment:
• a piece of legging is placed in a recipient with water at room temperature (25°C) and soap and the piece of legging is rubbed to simulate the normal hand washing process, then rinsed well with water;
• legging After each washing and drying cycle the legging is weighed and the quantity of product remaining on the piece of legging is calculated by the difference in weight .
• the table below shows the weight and percentage of TAF which remains anchored to the fabric respectively after a first (Dl) a second (D2) and a third (D3) wash.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Veterinary Medicine (AREA)
• Public Health (AREA)
• Animal Behavior & Ethology (AREA)
• Birds (AREA)
• Epidemiology (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Microbiology (AREA)
• General Chemical & Material Sciences (AREA)
• Biochemistry (AREA)
• Dermatology (AREA)
• Emergency Medicine (AREA)
• Professional, Industrial, Or Sporting Protective Garments (AREA)
• Preliminary Treatment Of Fibers (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

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Citations (5)

• 2011
  • 2011-07-13 IT IT000100A patent/ITBS20110100A1/it unknown
• 2012
  • 2012-05-18 WO PCT/IB2012/052519 patent/WO2013008107A1/en active Application Filing

Patent Citations (5)

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