WO2017122625A1 - Masque facial - Google Patents

Masque facial Download PDF

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Publication number
WO2017122625A1
WO2017122625A1 PCT/JP2017/000447 JP2017000447W WO2017122625A1 WO 2017122625 A1 WO2017122625 A1 WO 2017122625A1 JP 2017000447 W JP2017000447 W JP 2017000447W WO 2017122625 A1 WO2017122625 A1 WO 2017122625A1
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WO
WIPO (PCT)
Prior art keywords
nonwoven fabric
face mask
fabric layer
mass
number average
Prior art date
Application number
PCT/JP2017/000447
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English (en)
Japanese (ja)
Inventor
中原誠
大森平
梶山宏史
Original Assignee
東レ株式会社
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 東レ株式会社 filed Critical 東レ株式会社
Priority to CN201780006346.4A priority Critical patent/CN108471863A/zh
Priority to JP2017519717A priority patent/JPWO2017122625A1/ja
Publication of WO2017122625A1 publication Critical patent/WO2017122625A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D44/00—Other cosmetic or toiletry articles, e.g. for hairdressers' rooms
    • A45D44/22—Face shaping devices, e.g. chin straps; Wrinkle removers, e.g. stretching the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4334—Polyamides
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs

Definitions

  • the present invention relates to a face mask.
  • Sheet-shaped face masks can hold chemicals on the skin surface for a certain period of time, allowing sufficient penetration of the chemicals into the skin and continuing to expand its demand as skin care cosmetics such as whitening, moisturizing and anti-aging. ing.
  • Patent Document 1 a face mask made of a laminate in which a nonwoven fabric made of nanofibers is laminated on a base nonwoven fabric has been proposed in order to enhance adhesion to the skin and liquid retention.
  • Patent Document 2 a face mask made of a nonwoven fabric mixed with synthetic fibers having a fiber diameter of 50 to 1000 nm has been proposed.
  • the face mask disclosed in Patent Document 1 contains a large amount of nylon fibers and cotton fibers having high water absorption in the base nonwoven fabric, the face mask has been deformed due to tensile stress generated during wetting. There is a problem that it is inferior to the lift-up property that has begun to be emphasized as a face mask, that is, the anti-aging effect that improves by improving the sagging of the cheeks.
  • the face mask disclosed in Patent Document 2 is blended with synthetic fibers having a fiber diameter of 50 to 1000 nm in order to give a lift-up effect, but other than nanofibers for preventing deformation of the face mask. Since the fiber contains a large amount of rayon fiber with high water absorption, the face mask is deformed by the tensile stress generated when it is wet, and the lift-up property to raise the sagging of the cheeks is insufficient. is there.
  • an object of the present invention is to provide a face mask that is regarded as important as a face mask characteristic and has excellent adhesion to the skin and lift-up property.
  • the present invention has the following configuration. That is, (1) A laminated body of a nonwoven fabric layer A and a nonwoven fabric layer B, wherein the nonwoven fabric layer A contains 40% by mass or more of nanofibers with respect to the entire nonwoven fabric layer A, and is a single fiber based on the number average of the nanofibers The diameter is 50 nm or more and 800 nm or less, the nonwoven fabric layer B contains 90% by mass or more of the polyester fibers with respect to the whole nonwoven fabric layer B, and the single fiber diameter based on the number average of the polyester fibers is 3 ⁇ m or more and 100 ⁇ m or less.
  • a face mask (2) The face mask of (1), wherein the nanofiber is a polyamide fiber, (3) In (1) or (2), the content of the nanofiber is 85% by mass or more based on the whole nonwoven fabric layer A, and the number average single fiber diameter of the nanofiber is 100 nm or more and 500 nm or less.
  • Listed face mask (4) The face mask according to any one of (1) to (3), wherein the nonwoven fabric layer A and the nonwoven fabric layer B are spunlace nonwoven fabrics.
  • the nonwoven fabric layer A having nanofibers is excellent in adhesion to the skin, and the nonwoven fabric layer B having a large number of polyester fibers having a number average single fiber diameter of 3 ⁇ m or more and 100 ⁇ m or less and the nonwoven fabric layer A described above Thus, a face mask excellent in lift-up property can be obtained.
  • the nonwoven fabric layer A has a laminate of a nonwoven fabric layer A and a nonwoven fabric layer B.
  • the nonwoven fabric layer A contains 40% by mass or more of nanofibers with respect to the entire nonwoven fabric layer A, and the single fiber diameter based on the number average of the nanofibers is 50 nm.
  • the face is 800 nm or less
  • the non-woven fabric layer B contains 90% by mass or more of polyester fibers with respect to the entire non-woven fabric layer B
  • the single fiber diameter based on the number average of the polyester fibers is 3 ⁇ m or more and 100 ⁇ m or less. It is a mask.
  • the face mask of the present invention has a nonwoven fabric layer A.
  • This nonwoven fabric layer A has 40% by mass or more of nanofibers having a number average single fiber diameter of 50 to 800 nm with respect to the entire nonwoven fabric layer A.
  • the face mask of the present invention so that the nonwoven fabric layer A is arranged on the side in contact with the skin, the nanofibers contained in the nonwoven fabric layer A penetrate into the fine groove of the skin, and the face mask and the skin Adhesion with is improved.
  • the air permeability of the face mask can be reduced, the entry of air to the interface between the skin and the face mask is suppressed, and the adhesion between the face mask and the skin due to the sucker effect Will improve.
  • the nanofibers contained in the nonwoven fabric layer A enter into the fine grooves of the skin, thereby increasing the contact area between the skin and the surface of the nonwoven fabric layer A, and improving the friction coefficient between the skin and the face mask.
  • the face mask is prevented from slipping when the cheek is lifted up, and as a result, the lift-up performance of the face mask is improved.
  • the nanofiber as used in the field of this invention means the fiber whose single fiber diameter is 1 nm or more and less than 1000 nm as clear from the name.
  • the single fiber diameter based on the number average of the nanofibers is 800 nm or less, the above-described adhesion and lift-up effects can be obtained.
  • the lower limit of the single fiber diameter based on the number average of the nanofibers is preferably 80 nm or more, and more preferably 100 nm or more.
  • the upper limit of the single fiber diameter based on the number average of the nanofibers is preferably 500 nm or less, more preferably 300 nm or less, and still more preferably 200 nm or less from the above viewpoint.
  • the nanofibers are included within a range of 70% by mass or more, more preferably 85% by mass or more, and more preferably only nanofibers with respect to the total mass of the nonwoven fabric layer A. It is preferable to have the nonwoven fabric layer A made.
  • a fiber made of a thermoplastic resin such as polyester fiber, polyamide fiber or polyolefin fiber
  • a thermoplastic resin such as polyester fiber, polyamide fiber or polyolefin fiber
  • the nanofiber is preferably a polyamide fiber in terms of enhancing lift-up property.
  • other components may be copolymerized in these thermoplastic resins, and additives, such as a stabilizer, may be contained.
  • the nanofibers of the present invention are in the form of single fibers dispersed separately, single fibers partially bonded, aggregates (for example, bundles) in which a plurality of single fibers are aggregated, etc. That is, what is necessary is just a so-called fibrous form, and it does not stick to its length or cross-sectional shape.
  • the face mask of the present invention has a nonwoven fabric layer B, and this nonwoven fabric layer B has 90% by mass or more of polyester fibers having a single fiber diameter of 3 to 100 ⁇ m based on the number average based on the whole nonwoven fabric layer B.
  • the lower limit of the single fiber diameter based on the number average of the polyester fibers is preferably 5 ⁇ m or more, more preferably 7 ⁇ m or more, and even more preferably 10 ⁇ m or more.
  • the upper limit is preferably 30 ⁇ m or less, and more preferably 20 ⁇ m or less.
  • the nonwoven fabric layer B has 90% by mass or more of polyester fibers with respect to the entire nonwoven fabric layer B. If the fibers constituting the nonwoven fabric layer B contain water absorbing fibers having a high water absorbing property such as nylon or cotton, the water absorbing fibers swell after impregnating the face mask with a chemical solution. The strength of the fiber is impaired, and the strength of the face mask is reduced. As a result, when the cheek is lifted up, the face mask is deformed, and the lift-up property of the face mask is lowered.
  • the fibers constituting the non-woven fabric layer B contain a certain percentage or more of polyester fibers having a low water absorption compared to the water-absorbing fibers such as nylon and cotton. Specifically, it is important that the content of the polyester fiber contained in the nonwoven fabric layer B is 90% by mass or more with respect to the total mass of the nonwoven fabric layer B. Further, the content of the polyester fiber contained in the nonwoven fabric layer B is preferably 96% by mass or more with respect to the total mass of the nonwoven fabric layer B because the lift-up property of the face mask becomes better.
  • polyester fiber examples include polyethylene terephthalate fiber, polybutylene terephthalate fiber, polytrimethylene terephthalate fiber, and polylactic acid fiber.
  • polyethylene terephthalate fiber has high strength and can be preferably used for the face mask of the present invention.
  • the face mask of the present invention has a certain strength as described above, but the inventors have a 10% elongation stress of 1.6 N / 50 mm or more in the horizontal direction of the wet face mask, It has been found that a face mask that can withstand tensile deformation when the cheek is lifted up can be obtained.
  • the horizontal direction of the face mask is substantially parallel to the direction of the wearer's cheek to ear.
  • the elongation stress in the horizontal direction of the wet face mask of the present invention is the stress when the face mask is stretched by 10% of the initial length by a constant speed extension type tensile tester based on JIS L1913. It can be measured by reading.
  • the horizontal direction of the face mask is perpendicular to the direction of the face mask portion disposed on the wearer's jaw from the portion of the face mask disposed on the wearer's forehead when the face mask is worn. The direction.
  • the content of the polyester fiber having a number average single fiber diameter of 3 to 100 ⁇ m contained in the nonwoven fabric layer B of the face mask of the present invention is appropriately adjusted within a range of 90% by mass or more with respect to the entire nonwoven fabric layer B.
  • 10% in the horizontal direction of the wet face mask by appropriately adjusting the single fiber diameter based on the number average of the polyester fibers contained in the nonwoven fabric layer B of the face mask of the present invention within the range of 3 to 100 ⁇ m.
  • the elongation stress can be as desired.
  • the face mask of the present invention increases the contact area between the skin and the fiber surface as the nanofibers penetrate into the fine skin grooves, improves the friction coefficient between the skin and the face mask, and lifts the cheeks This prevents the face mask from slipping and improves lift-up performance.
  • a method for evaluating the above friction coefficient it can be evaluated by a static friction coefficient when impregnated with distilled water according to JIS P8147: 1994 3.2 inclination method.
  • the coefficient of static friction between the nonwoven fabric layer A of the face mask and the skin is preferably 0.8 or more, more preferably 0.9 or more, and still more preferably 1.0 or more. It is preferable.
  • the nonwoven fabric layer A included in the face mask of the present invention has nanofibers, so that the air permeability of the face mask can be reduced. Thereby, the approach of the air to the interface of skin and a face mask is suppressed, and adhesiveness improves by a suction cup effect.
  • a face mask impregnated with distilled water is placed on the artificial skin, and the adhesion can be evaluated by lifting the mask.
  • the adhesion force between the face mask and the skin measured by the above method is preferably 0.5 N or more, particularly preferably 0.7 N or more, from the viewpoint of adhesion feeling at the time of wearing.
  • the face mask of the present invention has the nonwoven fabric layer A having nanofibers, so that the liquid chemical contained in the nonwoven fabric layer B is sucked into the nonwoven fabric layer A due to the capillary effect of the nanofibers, and the nonwoven fabric layer B on the side in contact with the air It can suppress that a chemical
  • the mass retention rate of the lotion after 20 minutes when a face mask impregnated with lotion is placed on the artificial skin and left in an atmosphere at a temperature of 20 ° C. and a humidity of 60%. Can be evaluated.
  • the non-woven fabric layer A of the face mask of the present invention is such that when the non-woven fabric layer A has fibers other than nanofibers, the fibers other than nanofibers are polyamide fibers. It is preferable for improving. Since the polyamide fiber is a water-absorbing fiber, an extra chemical solution existing between the skin and the face mask can be absorbed by blending the polyamide fiber with the nonwoven fabric layer A in contact with the skin. Thereby, the slip by a chemical
  • the configuration of the nonwoven fabric layer A may be, for example, a blend of nanofibers having a number average single fiber diameter of 50 to 800 nm and polyamide fibers having a number average single fiber diameter of 3 to 100 ⁇ m, or a polyamide resin.
  • a blend of nanofibers having a number average single fiber diameter of 50 to 800 nm and polyester fibers or polyamide fibers having a number average single fiber diameter of 3 to 100 ⁇ m may be used.
  • the nonwoven fabric layer A composed only of polyamide fibers that is, the nonwoven fabric layer A composed only of nanofibers having a single fiber diameter of 50 to 800 nm based on the number average composed of polyamide resin, or a number composed of polyamide resin.
  • the nonwoven fabric layer A is preferably a mixture of nanofibers having an average single fiber diameter of 50 to 800 nm and polyamide fibers having a number average single fiber diameter of 3 to 100 ⁇ m.
  • nylon 6 nylon 11, nylon 12, nylon 66, and various aramid resins can be used as the polyamide fiber of the present invention or the polyamide constituting the polyamide nanofiber.
  • Nylon 6 is preferably used.
  • the face mask has a laminate of the nonwoven fabric layer A and the nonwoven fabric layer B, the nonwoven fabric layer A contains a large amount of nanofibers, and the nonwoven fabric layer B contains a large amount of polyester fibers.
  • the transition of the chemical contained in the mask from the hydrophobic nonwoven fabric layer B to the nonwoven fabric A having excellent water absorption by the capillary effect is promoted. Therefore, when this face mask is used so that the nonwoven fabric layer A is arranged on the skin side of the user, the volatilization of the chemical solution from the surface of the nonwoven fabric B of the face mask is suppressed, and as a result, the face mask The mass retention of the skin lotion (chemical solution) is excellent.
  • this effect is that the nanofiber content in the nonwoven fabric layer A is 85% by mass or more with respect to the entire nonwoven fabric layer A, and the nanofiber is a polyamide fiber (water absorbent fiber) having a single fiber diameter of 500 nm or less.
  • the content of the polyester fiber in the nonwoven fabric layer B is 90% by mass or more with respect to the entire nonwoven fabric layer B, it becomes extremely remarkable.
  • the basis weight of the face mask of the present invention is preferably 25 to 150 g / m 2 , and the lower limit is more preferably 25 g / m 2 or more, and further preferably 30 g / m 2 or more.
  • the upper limit is more preferably 100 g / m 2 or less, and still more preferably 70 g / m 2 or less.
  • Basis weight and by a 25 g / m 2 or more is suppressed tensile deformation at the time of lifting up the cheeks, thereby improving the lift-up property.
  • by setting the basis weight to 150 g / m 2 or less it is possible to suppress an increase in mask weight and a decrease in adhesion when the chemical solution is absorbed.
  • the basis weight of the nonwoven fabric layer A is preferably 3 to 40 g / m 2 , and the lower limit is more preferably 5 g / m 2 or more, and more preferably 8 g / m 2 or more.
  • the upper limit is more preferably 25 g / m 2 or less, and further preferably 15 g / m 2 or less.
  • the basis weight of the nonwoven fabric layer B is preferably 15 to 140 g / m 2 , and the lower limit is more preferably 20 g / m 2 or more, further preferably 25 g / m 2 or more, and 35 g / m 2. It is particularly preferable that the number is 2 or more. On the other hand, this upper limit is more preferably 90 g / m 2 or less, further preferably 60 g / m 2 or less.
  • the basis weight By setting the basis weight to 15 g / m 2 or more, the tensile deformation when the cheek is lifted up is suppressed, and the lift-up property is improved.
  • by setting the basis weight to 140 g / m 2 or less it is possible to suppress an increase in mask weight and a decrease in adhesion when the chemical solution is absorbed.
  • the face mask of the present invention may have a two-layer structure having an A layer on one side of the B layer or a three-layer structure having an A layer on both sides of the B layer.
  • the nonwoven fabric layer A and the nonwoven fabric layer B included in the face mask of the present invention are preferably spunlace nonwoven fabrics.
  • the spunlace nonwoven fabric is obtained by a method in which the constituent fibers are entangled with a high-pressure water stream, but this method has less thread breakage of the constituent fibers at the time of entanglement compared to a method in which the constituent fibers are entangled with a needle punch.
  • a high nonwoven fabric layer is obtained, and the lift-up property of the face mask can be improved.
  • a known method for example, a method disclosed in Japanese Patent Application Laid-Open No. 2007-70347 can be employed.
  • the nonwoven fabric layer A and the nonwoven fabric layer B which the face mask of the present invention has a known method can be adopted, but as described above, the nonwoven fabric layer A and the nonwoven fabric which the face mask of the present invention has.
  • the layer B is preferably a spunlace nonwoven fabric. In that case, the nonwoven fabric layer A and the nonwoven fabric layer B are obtained by a method in which the constituent fibers are entangled with a high-pressure water stream.
  • the non-woven fabric layer A and the non-woven fabric layer B may be individually entangled with a high-pressure water flow, and then laminated the non-woven fabric layer A and the non-woven fabric layer B, and may be integrated by a high-pressure water flow to form a laminated non-woven fabric.
  • the web of the nonwoven fabric layer A after the carding step (before entanglement) and the web of the nonwoven fabric layer B may be laminated, and entangled and integrated with a high-pressure water stream to form a laminated nonwoven fabric.
  • the laminated nonwoven fabric is punched into the shape of a face mask, and the laminated nonwoven fabric is impregnated with a lotion or a cosmetic liquid, and used as a face mask.
  • the test piece was immersed in distilled water at 20 ° C. for 10 minutes or more, taken out, and immediately attached to the weight of the slip angle measuring device.
  • the silicon pseudo-skin manufactured by Leurax
  • the weight with the test piece attached is slid so that the measurement surface of the test piece comes into contact with the silicon pseudo-skin and in the vertical direction of the test piece.
  • the tilt angle when the weight falls under the condition of tilt angle of less than 3 ° / second is read, and the tangent of the tilt angle (tan ⁇ ) was the coefficient of static friction.
  • the test piece was immersed in distilled water at 20 ° C. for 10 minutes or more, and immediately after being taken out, it was attached to the weight of the sliding inclination angle measuring device.
  • the silicon pseudo-skin manufactured by Leurax
  • the weight with the test piece attached is slid in the horizontal direction of the test piece so that the measurement surface of the test piece contacts the silicon pseudo-skin.
  • the tilt angle when the weight falls under the condition of tilt angle of less than 3 ° / second is read, and the tangent of the tilt angle (tan ⁇ ) was the coefficient of static friction.
  • the average of the static friction coefficients of the 10 test pieces obtained was defined as the static friction coefficient of the face mask.
  • the vertical direction of the face mask refers to the direction of the part of the face mask arranged on the wearer's jaw from the part of the face mask arranged on the wearer's forehead when this face mask is worn
  • the horizontal direction of the face mask means a direction perpendicular to the vertical direction of the face mask as described above.
  • the vertical direction of the test piece refers to the direction of the test piece parallel to the vertical direction of the face mask before the test piece is cut out from the face mask
  • the horizontal direction of the test piece refers to the horizontal direction of the test piece. The direction of the test piece parallel to the horizontal direction of the face mask in the state before being cut out from.
  • Adhesion force Ten test pieces (width 60 mm, length 60 mm) were collected from the face mask laminate. A sewing thread was passed through the diagonal line of the test piece so that a ring shape with a circumference of 300 mm was obtained. The end of the sewing thread was tied to the surface of the nonwoven fabric layer A of the test piece immediately on the silicon pseudo-skin (made by Relux) after the test piece was immersed in distilled water at 20 ° C. for 10 minutes or more and taken out. And the silicon pseudo-skin were placed in contact with each other, and the sewing thread was grasped with a chuck of a constant speed extension type tensile tester so that the above-mentioned sewing thread was perpendicular to the pseudo-skin.
  • the initial total mass (g) of the test piece, the silicon pseudo-skin and the lotion was measured and put into a constant temperature and humidity chamber of temperature 20 ° C. ⁇ humidity 60% RH.
  • the sample was taken out after 20 minutes, the total mass (g) after 20 minutes of the test piece, the silicon pseudo-skin and the skin lotion was measured, and the chemical solution retention rate (%) was calculated by the following formula.
  • the average value was calculated by performing 15 measurements.
  • Initial lotion mass (g) initial total weight (g) ⁇ silicon pseudo skin mass (g) ⁇ test piece mass (g)
  • the amount of skin lotion after 20 minutes the total weight after 20 minutes (g) —the mass of silicon pseudo skin (g) —the mass of the test piece (g)
  • Toner lotion retention rate (%) lotion amount after 20 minutes (g) / initial lotion mass (g) ⁇ 100 (7) 10% elongation stress in the horizontal direction of the wet face mask Measured according to JIS L 1913: 1998 6.3.2. A test piece having a width of 50 mm and a length of 250 mm was cut out from the laminate for a face mask, and five test pieces were prepared. Then, these test pieces are immersed in distilled water at 20 ° C.
  • the horizontal direction of the test piece and the tensile direction of the constant-speed extension type tensile tester are quickly put on the constant-speed extension type tensile tester.
  • the measurement was performed with the same attached. A load was applied until the specimen was cut at a tensile speed of 100 mm / min at a gripping interval of 100 mm / min, and the stress when the specimen was extended by 10 mm was read from the stress strain curve. The average value of the stress of each of the five test pieces obtained was taken as 10% elongation stress in the horizontal direction of the wet face mask.
  • the horizontal direction of the face mask is, as described above, the part of the face mask placed on the wearer's jaw from the part of the face mask placed on the wearer's forehead when the face mask is worn.
  • the horizontal direction of the test piece refers to the direction of the test piece parallel to the horizontal direction of the face mask in a state before the test piece is cut out from the face mask.
  • Example 1 Polymer alloy fiber
  • the polymer alloy chip was obtained by kneading.
  • the obtained polymer alloy chip is supplied to a uniaxial extrusion-type melting apparatus for a staple spinning machine, and melt spinning is performed at a melting temperature of 235 ° C., a spinning temperature of 235 ° C. (a base surface temperature of 220 ° C.), and a spinning speed of 1200 m / min.
  • the tow made of the polymer alloy fiber was crimped (12 peaks / 25 mm) and then cut into 51 mm short fibers.
  • Nonwoven fabric layer A The short fiber was opened with a card and then made into a web with a cross-wrap weber. This web was entangled with a high-pressure water stream under the conditions of pressure: 3 MPa and speed of 1.0 m / min to obtain an 8 g / m 2 nonwoven fabric.
  • a 1% aqueous sodium hydroxide solution at a temperature of 95 ° C., a bath ratio of 1:40, and a treatment time of 40 minutes, polylactic acid is removed from the sea, and the basis weight is 3 g / m made of N6 nanofibers.
  • Two nonwoven fabric layers A were obtained. The single fiber diameter by the number average of the nanofibers contained in the nonwoven fabric layer A was 150 nm.
  • Nonwoven fabric layer B A short fiber having a single fiber diameter of 14 ⁇ m and a cut length of 51 mm made of polyethylene terephthalate (PET) was opened with a card, and then made into a web with a cross wrap weber. This web was entangled with a high-pressure water stream under the conditions of pressure: 3 MPa and speed of 1.0 m / min to obtain 40 g / m 2 of nonwoven fabric layer B.
  • PET polyethylene terephthalate
  • the nonwoven fabric layer A and the nonwoven fabric layer B obtained above were laminated and further entangled with a high-pressure water stream under the conditions of pressure: 10 MPa and speed of 1.0 m / min to obtain a laminated nonwoven fabric having a basis weight of 43 g / m 2 .
  • this non-woven fabric for lamination was punched into a mask shape to create a face mask.
  • the features of the face mask of this example are summarized in Table 1.
  • This face mask had a relatively high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were relatively good.
  • Example 2 A laminated nonwoven fabric having a basis weight of 45 g / m 2 was obtained in the same manner as in Example 1 except that the basis weight of the nonwoven fabric layer A of Example 1 was changed to 5 g / m 2 . Next, this laminated nonwoven fabric was punched into a mask shape to prepare a face mask.
  • the features of the face mask of this example are summarized in Table 1. This face mask had a relatively high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were relatively good.
  • Example 3 Except for changing the basis weight of the nonwoven fabric layer A of Example 1 to 10 g / m 2 in the same manner as in Example 1 to obtain a laminated nonwoven fabric having a mass per unit area of 50 g / m 2.
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the features of the face mask of this example are summarized in Table 1.
  • This face mask had a high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were good.
  • Example 4 A laminated nonwoven fabric having a basis weight of 25 g / m 2 was obtained in the same manner as in Example 1 except that the basis weight of the nonwoven fabric layer B of Example 3 was changed to 15 g / m 2 .
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the features of the face mask of this example are summarized in Table 1.
  • This face mask had a high coefficient of static friction and a relatively high 10% elongation stress in the horizontal direction of the wet state.
  • the feeling of adhesion was good and the feeling of lift-up was relatively good.
  • Example 5 A laminated nonwoven fabric having a basis weight of 30 g / m 2 was obtained in the same manner as in Example 1 except that the basis weight of the nonwoven fabric layer B of Example 3 was changed to 20 g / m 2 .
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the features of the face mask of this example are summarized in Table 2.
  • This face mask had a high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were relatively good.
  • Example 6 A laminated nonwoven fabric having a basis weight of 40 g / m 2 was obtained in the same manner as in Example 1 except that the basis weight of the nonwoven fabric layer B of the example was changed to 30 g / m 2 .
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the features of the face mask of this example are summarized in Table 2.
  • This face mask had a high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were relatively good.
  • Example 7 70 wt% of the mass ratio of nylon 6 polymer alloy fiber of Example 1, to change the mass ratio of the poly-L-lactic acid to 30 wt%, to change the basis weight of the nonwoven fabric layer A to 10 g / m 2, the nonwoven fabric layer A Created.
  • the single fiber diameter by the number average of the nanofibers contained in the nonwoven fabric layer A was 700 nm. Others were carried out similarly to Example 1, and obtained the laminated nonwoven fabric of 50 g / m ⁇ 2 > of fabric weights.
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the features of the face mask of this example are summarized in Table 2.
  • This face mask had a relatively high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were relatively good.
  • Example 8 The polyethylene terephthalate (PET) short fibers used in the nonwoven fabric layer B of Example 1 were changed to split PET fibers with a number average single fiber diameter of 6 ⁇ m, and the basis weight of the nonwoven fabric layer A was changed to 10 g / m 2 . Except for the above, a laminated nonwoven fabric with a basis weight of 50 g / m 2 was obtained in the same manner as Example 1.
  • PET polyethylene terephthalate
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the features of the face mask of this example are summarized in Table 2.
  • This face mask had a high coefficient of static friction and a relatively high 10% elongation stress in the horizontal direction of the wet state.
  • the feeling of adhesion was good and the feeling of lift-up was relatively good.
  • Example 9 50 wt% of the weight ratio of the nylon 6 in the polymer alloy fiber of Example 1, the weight ratio of poly L-lactic acid was changed to 50 mass%, to change the basis weight of the nonwoven fabric layer A to 10 g / m 2, the nonwoven fabric layer A Created.
  • the single fiber diameter by the number average of the nanofibers contained in the nonwoven fabric layer A was 300 nm. Others were carried out similarly to Example 1, and obtained the laminated nonwoven fabric of 50 g / m ⁇ 2 > of fabric weights.
  • this laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • Table 3 summarizes the features of the face mask of this example.
  • This face mask had a high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were relatively good.
  • Example 10 60 wt% of the mass ratio of nylon 6 polymer alloy fiber of Example 1, to change the mass ratio of the poly-L-lactic acid to 40 wt%, to change the basis weight of the nonwoven fabric layer A to 10 g / m 2, the nonwoven fabric layer A Created.
  • the single fiber diameter by the number average of the nanofibers contained in the nonwoven fabric layer A was 500 nm. Others were carried out similarly to Example 1, and obtained the laminated nonwoven fabric of 50 g / m ⁇ 2 > of fabric weights.
  • this laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • Table 3 summarizes the features of the face mask of this example.
  • This face mask had a relatively high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were relatively good.
  • Example 11 Polyethylene terephthalate (PET) short fibers used for the non-woven fabric layer B of Example 1 and short fibers having a number average single fiber diameter of 14 ⁇ m and a cut length of 51 mm made of nylon 6 are 90:10 (nonwoven fabric layer of Example 1 Polyethylene terephthalate (PET) short fibers used in B: A single fiber diameter of nylon 6 having a single fiber diameter of 14 ⁇ m and a cut length of 51 mm is mixed in a mass ratio, opened with a card, and then with a cross wrap weber and web, while except for changing the basis weight of the nonwoven fabric layer a to 10 g / m 2 in the same manner as in example 1 to obtain a laminated nonwoven fabric having a mass per unit area of 50 g / m 2.
  • PET Polyethylene terephthalate
  • this laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • Table 3 summarizes the characteristics of the face mask of this comparative example.
  • This face mask had a high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were relatively good.
  • Example 12 A mass ratio after desealing of short fibers made of polymer alloy fibers used in the nonwoven fabric layer A of Example 1 and short fibers of nylon 6 having a number average single fiber diameter of 14 ⁇ m and a cut length of 51 mm (Example 1) Short fibers made of polymer alloy fibers used in the non-woven fabric layer A: mixed with nylon 6 so that the number average single fiber diameter is 14 ⁇ m and the cut length is 51 mm (short fibers) is 50:50. after, the web in cross-lapped Weber, except for changing the basis weight of the nonwoven fabric layer a to 10 g / m 2 in the same manner as in example 1 to obtain a laminated nonwoven fabric having a mass per unit area of 50 g / m 2.
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the features of the face mask of this example are summarized in Table 4.
  • This face mask had a relatively high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were relatively good.
  • Example 13 A mass ratio after desealing of short fibers made of polymer alloy fibers used in the nonwoven fabric layer A of Example 1 and short fibers of nylon 6 having a number average single fiber diameter of 14 ⁇ m and a cut length of 51 mm (Example 1) Short fibers made of polymer alloy fibers used in the non-woven fabric layer A: mixed with nylon 6 so that the number average single fiber diameter is 14 ⁇ m and the cut length is 51 mm (short fibers) is 70:30, and opened with a card.
  • the web in cross-lapped Weber except for changing the basis weight of the nonwoven fabric layer a to 10 g / m 2 in the same manner as in example 1 to obtain a laminated nonwoven fabric having a mass per unit area of 50 g / m 2.
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the features of the face mask of this example are summarized in Table 4.
  • This face mask had a relatively high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were relatively good.
  • Example 14 A mass ratio after desealing of short fibers made of polymer alloy fibers used in the nonwoven fabric layer A of Example 1 and short fibers of nylon 6 having a number average single fiber diameter of 14 ⁇ m and a cut length of 51 mm (Example 1) Short fibers made of polymer alloy fibers used in the non-woven fabric layer A: mixed with nylon 6 so that the number average single fiber diameter is 14 ⁇ m and the cut length is 51 mm (short fibers) is 90:10. after, the web in cross-lapped Weber, except for changing the basis weight of the nonwoven fabric layer a to 10 g / m 2 in the same manner as in example 1 to obtain a laminated nonwoven fabric having a mass per unit area of 50 g / m 2.
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the features of the face mask of this example are summarized in Table 4.
  • This face mask had a high coefficient of static friction and a high 10% elongation stress in the horizontal direction of the wet material. When the monitor was evaluated, the feeling of adhesion and the feeling of lift-up were good.
  • PET Polyethylene terephthalate
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the characteristics of the face mask of this comparative example are summarized in Table 5.
  • This face mask had a high coefficient of static friction, but had a low 10% elongation stress in the horizontal direction of the wet material.
  • the feeling of adhesion was good, but the feeling of lift-up was inferior.
  • Example 2 The mass ratio of nylon 6 of the polymer alloy fiber of Example 1 was changed to 80 mass%, the mass ratio of poly-L lactic acid was changed to 20 mass%, and the basis weight of the nonwoven fabric layer A was changed to 10 g / m 2 to create the nonwoven fabric layer A. did.
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the characteristics of the face mask of this comparative example are summarized in Table 5.
  • This face mask had a high 10% elongation stress in the horizontal direction of the wet substance but a low coefficient of static friction. As a result of monitor evaluation, it was inferior to the feeling of adhesion and the feeling of lift-up.
  • Example 3 Example 1 except that the polyethylene terephthalate (PET) fiber used for the nonwoven fabric layer B of Example 1 was changed to a split fiber having a single fiber diameter of 2 ⁇ m by number average, and the basis weight of the nonwoven fabric layer A was changed to 10 g / m 2. In the same manner as above, a laminated nonwoven fabric having a basis weight of 50 g / m 2 was obtained.
  • PET polyethylene terephthalate
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the characteristics of the face mask of this comparative example are summarized in Table 5.
  • This face mask had a high coefficient of static friction, but had a low 10% elongation stress in the horizontal direction of the wet material.
  • the feeling of adhesion was good, but the feeling of lift-up was inferior.
  • Example 4 The fibers used in the nonwoven fabric layer A of Example 1 and the fibers used in the nonwoven fabric layer B were changed to rayon fibers having a single fiber diameter of 12 ⁇ m by number average, and the basis weight of the nonwoven fabric layer A was changed to 25 g / m 2.
  • a laminated nonwoven fabric having a basis weight of 50 g / m 2 was obtained in the same manner as in Example 1 except that the basis weight of the nonwoven fabric layer B was changed to 25 g / m 2 .
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the characteristics of the face mask of this comparative example are summarized in Table 5.
  • This face mask had a low coefficient of static friction and 10% elongation stress in the horizontal direction of the wet material. As a result of monitor evaluation, it was inferior to the feeling of adhesion and the feeling of lift-up.
  • PET Polyethylene terephthalate
  • This laminated nonwoven fabric was punched into a mask shape to create a face mask.
  • the characteristics of the face mask of this comparative example are summarized in Table 5.
  • This face mask had a high coefficient of static friction, but had a low 10% elongation stress in the horizontal direction of the wet material.
  • the feeling of adhesion was good, but the feeling of lift-up was inferior.
  • the face mask of the present invention is excellent in adhesion and lift-up properties, and is suitably used as a cosmetic product for anti-aging.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Birds (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Cosmetics (AREA)

Abstract

La présente invention concerne un masque facial qui possède une excellente adhérence et d'excellentes propriétés de remodelage. La présente invention porte en particulier sur un masque facial qui comprend un stratifié d'une couche de tissu non tissé A et d'une couche de tissu non tissé B. La couche de tissu non tissé A contient des nanofibres qui possèdent un diamètre moyen de monofilament compris entre 50 et 800 nm dans une quantité de 40 % en masse ou plus par rapport à la totalité de la couche de tissu non tissé A ; et la couche de tissu non tissé B renferme des fibres polyester possédant un diamètre moyen de monofilament compris entre 3 μm et 100 μm dans une quantité de 90 % en masse ou plus par rapport à la totalité de la couche de tissu non tissé B.
PCT/JP2017/000447 2016-01-15 2017-01-10 Masque facial WO2017122625A1 (fr)

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EP3991823A1 (fr) * 2020-10-30 2022-05-04 Conteyor International NV Masque facial

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JP2009097120A (ja) * 2007-10-18 2009-05-07 Toray Ind Inc シート型コスメ製品用積層不織布
JP2012214922A (ja) * 2011-03-31 2012-11-08 Kuraray Kuraflex Co Ltd 積層シート及びその製造方法
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JPWO2018159421A1 (ja) * 2017-02-28 2019-12-19 東レ株式会社 積層不織布
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BE1028772B1 (nl) * 2020-10-30 2022-05-30 Conteyor Int Nv Gezichtsmasker

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