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
  • D06M7/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made of other substances with subsequent freeing of the treated goods from the treating medium, e.g. swelling, e.g. polyolefins
• • 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
  • D06M13/402—Amides imides, sulfamic acids
  • D06M13/419—Amides having nitrogen atoms of amide groups substituted by hydroxyalkyl or by etherified or esterified hydroxyalkyl 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
  • 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
• • 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
  • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
  • D06M2200/50—Modified hand or grip properties; Softening compositions

Definitions

• the present invention relates to a fiber treatment agent composition imparting excellent feeling to fibers, and to a fiber which provides excellent sense of touch and excellent feel when a consumer wears an end product produced from the fiber. More particularly, the invention relates to a fiber treatment agent composition containing an amphipathic lipid in solid particulate form having a specific average particle size that is beneficial for treatment of fiber; to a fiber bearing the amphipathic lipid on a surface thereof; and to a method of treating the fiber.
• Japanese Patent Application Laid-Open (kokai) No. 8-60547 discloses a skincare fiber product to which serine-containing protein is attached.
• Japanese Patent Application Laid-Open (kokai) No. 2001-146680 discloses a finishing composition for textiles containing a nonionic amphipathic substance. More specifically, the nonionic amphipathic substance is a ceramide, and preferably, the ceramide is present, along with other components, in the composition while in the form of emulsion particles having a particle size of not more than 1,000 nm.
• the composition disclosed therein is reported to exhibit excellent emulsion stability over time, preventing precipitation of ceramides, and excellent cohesion or adhesion of ceramides to fibers to be treated. Also, the treated textile products promote moisture-retaining ability of the skin when consumers wear the products. Thus, the ceramides disclosed in this publication are not present in solid form.
• An object of the present invention is to provide a fiber treatment agent composition which is capable of causing an amphipathic lipid having skincare effect to be stably retained on the fiber; which imparts excellent feeling to the fiber; and which, when a consumer wears an end product producing from the fiber, exhibits moisturizing effect to the skin and imparts pleasant feel to the skin with which the fiber product comes into contact.
• the present invention provides a fiber treatment agent composition
• a fiber treatment agent composition comprising an amphipathic lipid having hydroxyl group (s) and amide group (s) in the molecule thereof, said lipid being solid particles having an average particle size of 1 to 100 ⁇ m.
• the present invention also provides a fiber treatment agent composition further comprising, in addition to the above-mentioned fiber treatment agent composition one or more species selected from the group consisting of surfactants and aqueous medium.
• the present invention also provides a treated fiber which is obtained through bringing the above-mentioned fiber treatment agent composition into contact with fiber so that the above-mentioned amphipathic lipid is caused to be present continuously or discontinuously on a surface of the fiber.
• the present invention also provides a fiber to which the above-mentioned amphipathic lipid has been affixed.
• the present invention also provides a method of treating fiber comprising bringing the above-mentioned fiber treatment agent composition into contact with fiber.
• the "amphipathic lipid having hydroxyl group (s) and amide group (s) in the molecule thereof" is defined as such a lipid that contains one or more hydroxyl groups and one or more amide groups in the molecule of the lipid; that falls within the class consisting of natural ceramides, synthetic ceramides, and analogs (pseudo-ceramides) prepared therefrom through, for example, synthesis; and that is solid at room temperature (25°C) .
• amphipathic lipid examples include Ceramide H03 (Sederma) , Cera idell (Sederma) , Quesamide H (Quest) , Ceramide TIC-001 (Takasago International Corporation) , and SOFCARECERAMIDE SL-E (Kao Corporation) .
• the lipid preferably has a melting point of not less than 30°C, more preferably not less than 40°C.
• synthesized ceramide analogs particularly preferred ones are amide derivatives represented by the following formula (1) (including the above-mentioned SOFCARECERAMIDE SL-E:
• R 1 and R 2 are the same or different and each independently represents a linear or branched, saturated or unsaturated C-C 3 g hydrocarbon group which may be substituted by one or more hydroxyl groups; and R 3 and R 4 are the same or different and each independently represents a hydrogen atom, a phosphate salt residue, a sulfate salt residue, or a saccharide residue; provided that one or more hydroxyl groups are contained in one molecule of the derivative.
• R 1 is preferably a linear or branched, saturated or unsaturated Cg-C 25 hydrocarbon group
• R 2 is preferably a linear or branched, saturated or unsaturated C ⁇ 0 -C 26 hydrocarbon group; and each of R 3 and R 4 is preferably a hydrogen atom.
• the amphipathic lipid is solid particles having an average particle size of 1 to 100 ⁇ m, preferably 2 to 100 ⁇ m, more preferably 5 to 100 ⁇ m, even more preferably 5 to 80 ⁇ m, most preferably 7 to 50 ⁇ m.
• the solid particles are present in a crystalline state.
• amphipathic lipids which may be employed alone or in combination of two or more species, are incorporated in the fiber treatment agent composition of the present invention in an amount of 0.005 to 40 wt.%, preferably 0.05 to 40 wt.%, more preferably 5 to 40. t.%, most preferably 10 to 30 wt.%.
• the amount of the amphipathic lipids in the fiber treatment agent composition is preferably 1 to 40 wt.%, more preferably 5 to 40 wt.%, most preferably 10 to 30 wt.%, whereas when the composition is a dilute solution, their amount in the fiber treatment agent composition is preferably 0.005 to 1 wt.%, more preferably 0.01 to 0.9 wt.%, most preferably 0.02 to 0.6 wt.%
• component (b) which may be used for the preparation of the fiber treatment agent composition of the present invention, and one or more species of surfactants may be suitably selected from nonionic surfactants, anionic surfactants, amphoteric surfactants, and cationic surfactants.
• the amphipathic lipid is first subjected to crystallization along with component (b) and then incorporated into the fiber treatment agent composition
• the component (b) is preferably one or more species selected from those ordinarily employed for cosmetic use; for example, selected from nonionic surfactants, anionic surfactants, and amphoteric surfactants.
• nonionic surfactants examples include alkyl polyglycosides, polyoxyalkylene alkyl or alkenyl ethers, polyoxyalkylene sorbitan fatty acid esters, sorbitan fatty acid esters, polyoxyalkylene sorbitol fatty acid esters, polyoxyalkylene glycerin fatty acid esters, polyglycerin fatty acid esters, fatty acid monoglycerides, polyethylene glycol fatty acid esters, and fatty acid alkanol amides.
• anionic surfactants include polyoxyalkylene alkyl ether acetic acid or salts thereof, N- acylamino acid salts, polyoxyalkylene alkyl ether sulfate salts, polyoxyalkylene alkyl ether phosphate salts, alkylphosphate salts, N-acylmethyltaurine salts, alkylsulfosuccinate salts, polyoxyalkylene alkylsulfosuccinate salts, and fatty acid salts.
• amphoteric surfactants examples include alkylaminoacetate betaine, alkylamine oxide, alkylamide propyl betaine, alkylhydroxy sulfobetaine, and amido amino acid (imidazoline-type betaine) .
• Preferred surfactants are nonionic surfactants and polyoxyethylene alkyl ether acetic acid or salts thereof.
• Preferred nonionic surfactants are alkyl polyglycosides, polyoxyalkylene alkyl or alkenyl ethers, polyoxyalkylene sorbitan fatty acid esters, and sorbitan fatty acid esters.
• nonionic surfactants include alkyl polyglycosides (e.g., those in which the alkyl group has 8 to 14 carbon atoms and a glucose condensation degree is 1 to 2) , polyoxyalkylene alkyl or alkenyl ethers (e.g., those in which the alkyl or alkenyl group has 8 to 18 carbon atoms and the average mol number of added ethylene oxide is 4 to 25, preferably 4 to 15) , polyoxyalkylene sorbitan fatty acid esters (e.g., those in which the fatty acid has 8 to 20 carbon atoms and the average mol number of added ethylene oxide is 5 to 25), and sorbitan fatty acid esters (e.g., monoesters of fatty acid having 8 to 20 carbon atoms) .
• alkyl polyglycosides e.g., those in which the alkyl group has 8 to 14 carbon atoms and a glucose condensation degree is 1 to 2
• polyoxyalkylene alkyl ether acetic acid or salts thereof examples include such acids per se having 8 to 20 carbon atoms and an average mol number of added ethylene oxide of 3 to 15; and alkali metal salts thereof. That is, the polyoxyalkylene alkyl ether acetic acid may be used as is (without neutralization) or after being neutralized.
• a cationic surfactant When a cationic surfactant is further added, enhanced adsorption of the amphipathic lipid onto the fiber can be attained.
• the cationic surfactants include mono (long-chain alkyl) ammonium salts, di (long-chain alkyl) ammonium salts, benzalkonium salts, benzethonium salts, and pyridinium salts.
• surfactants may be employed singly or in combination of two or more species.
• the surfactant (s) may be incorporated in the fiber treatment agent composition in an amount of 2 to 55 wt.%, preferably 5 to 40 wt.%. When a crystallization step is performed, it is particularly preferred that these ranges be met.
• the ratio by weight of amphipathic lipid to surfactant i.e., (a) /(b), is preferably 90/10 to 25/75, more preferably 80/20 to 30/70, most preferably 70/30 to 40/60.
• a crystallization step it is particularly preferred that these ranges be met.
• the aqueous medium which may be employed for producing the fiber treatment agent composition of the present invention is water and/or a polar organic solvent which is soluble in water.
• water-soluble polar organic solvents include alcohols such as methanol, ethanol, and propanol; glycols such as ethylene glycol, propylene glycol, diethylene glycol, and polyethylene glycol; and acetone.
• aqueous medium examples include water, ethanol, and glycols, with water being most preferred.
• the fiber treatment agent composition of the present invention may be used as is or after diluted with water and/or a water-soluble polar organic solvent, or alternatively diluted with a surfactant and an aqueous medium.
• the fiber treatment agent composition of the present invention is a thick solution, the composition is preferably diluted before use.
• the fiber treatment agent composition of the present invention can be produced by, for example, heating a mixture of an amphipathic lipid (component (a) ) , a surfactant (component (b) ) , and water to a temperature of not less than the melting point of the amphipathic lipid (from the melting point to about a temperature 10°C higher than the melting point) under stirring, to thereby melt the mixture, and after the melt became a homogeneous state, cooling the melt under stirring, so as to cause crystallization of the component (a) .
• the particle size of component (a) can be regulated through control of the type and amount of the surfactant, cooling rate, and speed of stirring or the like.
• component (a) has an average particle size of 1 to 100 ⁇ m, more preferably 2 to 100 ⁇ m, still more preferably 5 to 100 ⁇ m, even more preferably 5 to 80 ⁇ m, most preferably 7 to 50 ⁇ m, as measured by the method described hereinbelow.
• the average particle size is an arithmetic mean value determined by photographing the particles under an optical microscope under transmission light, selecting arbitrary 30 particles on a photograph, and for each of the 30 particles, measuring the major axis of the particle.
• the fiber treatment agent composition of the present invention may also contain a pH-regulator, a preservative, a softening agent, a hardening agent, an antistatic agent, an antimicrobial/deodorizing agent, a moisturizing agent and so on.
• moisturizing agent examples include plant extracts, sodium hyaluronate, collagen, animal oils, vegetable oils, paraffin, liquid paraffin, vaseline, ceresine, squalane and so on.
• Plant extracts are extracts obtained through any of a variety of plants, and examples thereof include aloe, aloe vera, ginkgo, fennel, seaweed, pueraria root, chamomile, kiwi, cucumber, dishcloth gourd, gardenia, rice bran, peach, citron, adlay, ugwort, Saint-John' s-wort, tea and so on.
• vegetable oils examples include olive oil, camellia oil, macadamia nut oil, castor oil, carnauba wax, candelilla wax, jojoba oil, safflower oil, soybean oil, shea oil, sunflower oil, cacao oil, coconut oil, palm kernel oil, meadowfoam seed oil, rice germ oil, orange oil and so on.
• animal oils examples include mink oil, beeswax, lanolin and so on.
• fibers used in the present invention include natural fibers such as cotton, silk, hemp, and wool; regenerated fibers such as rayon, cuprammonium rayon, and tensel; semi-synthetic fibers such as acetate, diacetate, and triacetate; and synthetic fibers such as polyester, nylon, acrylic, vinylon, polypropylene, and polyurethane.
• natural fibers such as cotton, silk, hemp, and wool
• regenerated fibers such as rayon, cuprammonium rayon, and tensel
• semi-synthetic fibers such as acetate, diacetate, and triacetate
• synthetic fibers such as polyester, nylon, acrylic, vinylon, polypropylene, and polyurethane.
• No particular limitations are imposed on the form of the fiber, and examples of the fiber include a variety of fibrous materials such as staple fiber and yarn; semi-products such as nonwoven fabric, knit fabric, and woven fabric; and end products such as clothes and bedclothes.
• Preferred examples of fiber products produced from the above-mentioned fibers include those which are used in direct contact with skin or hair; specifically, underwear such as panty hoses, tights, lingerie, petticoats, camisoles, shorts, undershirts, trunks, and briefs; foundations such as girdles, brassieres, and body suits; night wears such as night dresses, pajamas, and bathrobes; clothes such as leotards, socks, stomach bands, gloves, mufflers, masks, towels, and headgears; and bedclothes such as pillow covers and sheets.
• underwear such as panty hoses, tights, lingerie, petticoats, camisoles, shorts, undershirts, trunks, and briefs
• foundations such as girdles, brassieres, and body suits
• night wears such as night dresses, pajamas, and bathrobes
• clothes such as leotards, socks, stomach bands, gloves, muffler
• fiber is brought into contact with the fiber treatment agent composition of the present invention.
• Such a step of bringing fiber into contact with the fiber treatment agent composition may include immersion of fiber in the fiber treatment agent composition, followed by drying; and spraying the fiber treatment agent composition onto fiber, followed by drying.
• Such treatment yields fibers bearing the amphipatic lipid in a continuous fashion or discontinuous fashion on a surface of the fiber. Drying may be performed through either naturally or with application of heat. Pressurized heat treatment may be performed by use of, for example, an iron or trousers presser.
• Examples of specific treatment method include the pad drying method using a mangle and a dryer; the dip dyeing method employing a wince dyeing machine, a cheese dyeing machine, or a jet dyeing machine; the spray method; the coating method; the printing method; and the additive blending method applied for rayon or acrylic fibers.
• the fiber treatment agent composition of the present invention may be used in any step during laundry, e.g., in a washing step, a rinsing step, a softener-finishing step, or a sizing step.
• the fiber treatment agent composition of the present invention may be directly applied to clothing or bedclothes by the spray method and so on.
• the amphipathic lipid is preferably employed in an amount of 0.001 to 5 wt.%, more preferably 0.05 to 1 wt.%, most preferably 0.1 to 0.8 wt.%, with respect to the weight of the fiber.
• a binder may optionally be used.
• Use of a binder is preferred from the viewpoint of laundry durability.
• the binder include silicone resins, acrylic resins, urethane resins, vinyl acetate resins and so on.
• the binder in addition to a binder, there may also be used the following agents depending on purposes: softening agent, hardening agents, sewing facilitating agents, flame retardants, antistatic agents, soil repellents, antimicrobial/deodorizing agents, raising agents, slip- preventing agents, moisturizing agents, water repellants, water absorbers, fluorescent dyes, anti-shrinking agents such as glyoxal, fixing agents and so on.
• the binder is preferably employed in an amount of 10 to 500 wt.%, more preferably 50 to 300 wt.%, with respect to the weight of the amphipathic lipid, wherein the calculation is on the basis of solid components of the binder.
• the amphipathic lipid of the invention due to its specific form (i.e., solid particles having an average particle size of 1 to 100 ⁇ m) , does not tend to be incorporated into the inside of the treated fiber, but is effectively affixed onto the surface of fiber as compared with amphipathic lipids in solubilized form or emulsified form.
• the fiber treatment process includes a washing step or rinsing step, amphipathic lipids in solubilized form or emulsified form are easily removed through washing.
• the amphipathic lipid is solid particles having an appropriate size, it is not easily washed away, whereby attaining improved retention of the lipid in fiber. From these reasons, fiber that has undergone treatment with the fiber treatment agent composition of the invention is considered to exhibit excellent feeling of the resulting textile and pleasant feel to the skin.
• amphipathic lipids, surfactants, and water shown in Table 1, in columns of Example Nos. 1 through 3 were heated to 80 to 90°C. Subsequently, each of the resultant mixtures was cooled under stirring, to thereby allow the amphipathic lipid to crystallize. Stirring was further performed and the mixture was cooled to room temperature, to thereby yield a fiber treatment agent composition.
• the amphipathic lipid contained in the resultant composition was found to be solid particles of needle-like to plate-like crystals having an average particle size of 11.8 ⁇ m (Example 1), 8.9 ⁇ m (Example 2), or 16.3 ⁇ m (Example 3). The crystalline state was confirmed through X-ray diffraction.
• Example 1 In Comparative Example 1, the procedure of Example 1 was repeated, except that the 32.0 parts by weight of MYDOL 10 was replaced by 23.0 parts by weight of RHEODOL TW-S120, to thereby obtain a composition in which the amphipathic lipid remains uncrystallized but is present as emulsion particles (confirmed through X-ray diffraction) .
• Effective ingredient 40 wt.% *2: Kao, Polyoxyethylene (5) lauryl ether *3: Kao, Polyoxyethylene (10) lauryl ether acetic acid,
• Effective ingredient 89 wt.% *4: Kao, Polyoxyethylene (20) sorbitan monostearate
• Test Example 1 and Comparative Test Examples 1 and 2 lg of the fiber treatment agent composition obtained from Example 1 was dispersed in 2.0 L of water, and 25 g of a pair of panty hose, which had been washed five times with a commercially obtained detergent, was soaked therein. Subsequently, the panty hose were dewatered once, then rinsed in an equivolume of water, followed by dewatering again, natural drying, to thereby obtain a treated fiber product of the present invention. In the same manner, three pairs of panty hose were prepared, and were provided to a panelist. Then five women panelists, who have dry skin and often complain itchiness when they wear panty hose, carried out wearing test of the panty hose for 3 days in winter (Test 1) .
• Comparative Example 1 For comparison, by use of the composition obtained from Comparative Example 1; i.e., the composition in which the amphipathic lipid remains uncrystallized but is present as emulsion particles, several pairs of panty hose were treated in a similar manner, and wearing test was carried out by the same five panelists as in Test Example 1 (Comparative Test 1) . Also, wearing test of several pairs of panty hose that have undergone similar treatment, but undergone no treatment with fiber treatment agent composition, was carried out (Comparative Test 2) .
• the fiber which has been treated with the fiber treatment agent composition of the present invention imparts excellent feeling to the resultant fiber product, exhibits smoothness of the fiber product when a person wears the same, improves touch to the skin, enhance the moisturizing effect, and mitigates itchiness of the skin.
• Each 5 g of the fiber treatment agent compositions obtained from Examples 1, 2, and 3 was dispersed in 10.0 L of water.
• 1.0 Kg of cotton fiber (cotton fabric) was soaked in the resultant dispersion. Thereafter, the cotton fiber was squeezed with a mangle, then dried at 55°C for 30 minutes, to thereby yield a treated fiber of the present invention.
• Example 4 As is apparent from Table 3, as compared with the fiber products that had undergone no treatment, those treated with the fiber treatment agent composition of the present invention provide excellent sensation to touch by hands.
• Example 4 As is apparent from Table 3, as compared with the fiber products that had undergone no treatment, those treated with the fiber treatment agent composition of the present invention provide excellent sensation to touch by hands.
• Example 4 As is apparent from Table 3, as compared with the fiber products that had undergone no treatment, those treated with the fiber treatment agent composition of the present invention provide excellent sensation to touch by hands.
• the fiber treatment agent composition of the present invention can be incorporated in a softening agent composition and can be used for imparting softness to fiber products .
• Fiber treatment agent composition (Ex. 1) 10.0% QUARTAMIN D86P ) 3.0%
• Fiber treatment agent composition (Ex. 2) 2.5% Perfume q. s.
• the resultant composition is placed in a spray container, followed by shaking well, and spraying onto fiber products uniformly.
• the fiber treated with the fiber treatment agent composition of the present invention provides excellent feeling to the resultant textile and pleasant feel to the skin.
• remarkable effects are attained, including pleasant feel to the skin with which the fiber product is brought into contact, skin protective effect, effect of enabling the people having sensitive skin to wear at ease, moisturizing effect, and effect of improving skin disease such as rough skin.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

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• 2002
  • 2002-12-20 KR KR1020047010016A patent/KR100950879B1/ko not_active IP Right Cessation
  • 2002-12-20 ES ES02786165T patent/ES2380428T3/es not_active Expired - Lifetime
  • 2002-12-20 WO PCT/JP2002/013355 patent/WO2003057976A2/en active Application Filing
  • 2002-12-20 AU AU2002349788A patent/AU2002349788A1/en not_active Abandoned
  • 2002-12-20 US US10/498,820 patent/US20050086741A1/en not_active Abandoned
  • 2002-12-20 EP EP02786165A patent/EP1521881B1/en not_active Expired - Fee Related
  • 2002-12-20 CN CNB028263235A patent/CN1323209C/zh not_active Expired - Fee Related

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