WO2021029278A1 - Porte-cheveux, procédé de fabrication de porte-cheveux et procédé de traitement de cheveux utilisant un porte-cheveux - Google Patents

Porte-cheveux, procédé de fabrication de porte-cheveux et procédé de traitement de cheveux utilisant un porte-cheveux Download PDF

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Publication number
WO2021029278A1
WO2021029278A1 PCT/JP2020/029828 JP2020029828W WO2021029278A1 WO 2021029278 A1 WO2021029278 A1 WO 2021029278A1 JP 2020029828 W JP2020029828 W JP 2020029828W WO 2021029278 A1 WO2021029278 A1 WO 2021029278A1
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WIPO (PCT)
Prior art keywords
hair
hair holder
mpa
less
holder according
Prior art date
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PCT/JP2020/029828
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English (en)
Japanese (ja)
Inventor
義幸 木部
東城　武彦
Original Assignee
花王株式会社
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 花王株式会社 filed Critical 花王株式会社
Priority to JP2020563793A priority Critical patent/JP6947945B2/ja
Priority to US17/622,987 priority patent/US20230189955A1/en
Priority to CN202080053686.4A priority patent/CN114173604A/zh
Priority to EP20852747.3A priority patent/EP4011238A4/fr
Publication of WO2021029278A1 publication Critical patent/WO2021029278A1/fr

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    • 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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/12—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers
    • A45D2/14—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers of single-piece type, e.g. stiff rods or tubes with or without cord, band, or the like as hair-fastening means
    • A45D2/18—Flexible curlers
    • 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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/02—Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers
    • A45D2/08—Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers of hollow type
    • 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
    • A45D7/00—Processes of waving, straightening or curling hair
    • 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
    • A45D7/00—Processes of waving, straightening or curling hair
    • A45D7/02—Processes of waving, straightening or curling hair thermal
    • 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
    • A45D7/00—Processes of waving, straightening or curling hair
    • A45D7/06—Processes of waving, straightening or curling hair combined chemical and thermal
    • 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
    • D04H1/435—Polyesters
    • 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/76—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres otherwise than in a plane, e.g. in a tubular way
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • D04H3/011—Polyesters
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion

Definitions

  • the present invention relates to a hair holder, a method for producing the same, and a hair treatment method using the same.
  • a hair holder used to give a curl shape to a hair bundle is known.
  • the applicant has previously proposed a hair holder having a tubular body configured so that a hair bundle can be inserted (Patent Document 1).
  • Patent Document 2 states that in a polyester film, good heat resistance can be obtained if the storage elastic modulus of dynamic viscoelasticity measured under predetermined conditions is larger than a predetermined value. Is disclosed.
  • the applicant also proposed a hair holder in which a reinforcing member is provided in a tubular body into which a hair bundle is inserted (Patent Document 3).
  • Patent Document 4 discloses that heat resistance is improved by heating amorphous polyethylene terephthalate having a low crystallinity with superheated steam to increase the crystallinity. There is.
  • the present invention is a hair holder having a tubular body configured so that a hair bundle can be inserted from one end opening to the other end opening, and having a longitudinal direction and a width direction orthogonal to the longitudinal direction. ..
  • the hair holder is preferably configured so that it can be rolled up along the longitudinal direction.
  • the hair holder preferably has a first sheet located inside and a second sheet located outside when rolled up. In the hair holder of the present invention, it is preferable that one or both of the first sheet and the second sheet satisfy at least one of the following conditions (1) and (2).
  • (1) The storage elastic modulus E'of dynamic viscoelasticity which contains a polyester-based non-woven fabric and is measured at 100 ° C.
  • the storage elastic modulus E'of dynamic viscoelasticity which contains a polyester-based non-woven fabric and is measured at 150 ° C. and a frequency of 1 Hz, is 19.2 MPa or more.
  • the present invention is a method for manufacturing a hair holder having a tubular body in which a hair bundle can be inserted from an opening at one end to an opening at the other end and is rolled up.
  • the hair holder has a first sheet located inside and a second sheet located outside in a rolled-up state, and one or both of the first sheet and the second sheet are polyester. It is preferable to include a non-woven fabric.
  • the method for manufacturing the hair holder preferably includes a winding step of winding the hair holder.
  • the method for producing the hair holder preferably includes a heating step of applying heat of 120 ° C. or higher while maintaining the rolled-up state of the hair holder.
  • the present invention is a hair treatment method using the hair holder.
  • the hair treatment method preferably involves inserting the hair bundle into the hair holder and then winding up the hair holder.
  • the hair treatment method preferably heats the hair bundle to 80 ° C. or higher while maintaining the rolled-up state of the hair holder.
  • FIG. 1 is a front view (a) and a back view (b) showing an embodiment of the hair holder of the present invention.
  • FIG. 2 is a perspective view showing a hair bundle holder of the hair holder shown in FIGS. 1 (a) and 1 (b).
  • 3 (a) to 3 (c) are explanatory views sequentially showing a procedure for imparting a curl shape to a hair bundle using the hair holders shown in FIGS. 1 (a) and 1 (b).
  • FIG. 4A is a graph showing the relationship between the storage elastic modulus E'of dynamic viscoelasticity at 100 ° C. and a frequency of 1 Hz and the heat resistance evaluation for the hair holders obtained in Examples and Comparative Examples.
  • FIG. 4 (b) is a graph showing the relationship between the storage elastic modulus E'of dynamic viscoelasticity at 150 ° C. and a frequency of 1 Hz and the heat resistance evaluation for the hair retainers obtained in Examples and Comparative Examples.
  • heat may be applied while maintaining the rolled state of the hair holder.
  • the hair holder described in Patent Document 1 does not assume that heat is applied while maintaining the rolled state of the hair holder.
  • the document does not describe that the hair holder can be used stably in the temperature range (100 ° C. to 150 ° C.) used for the permanent to which heat is applied.
  • Patent Document 2 discloses a polyester film used for an electrically insulating sheet, an adhesive sheet, etc., and its technical field is different from that of a hair holder.
  • the document discloses the storage elastic modulus of dynamic viscoelasticity measured at 100 ° C., but does not disclose the storage elastic modulus measured at 150 ° C.
  • the storage elastic modulus at 100 ° C. and the storage elastic modulus at 150 ° C. are in a proportional relationship.
  • the hair holder described in Patent Document 3 does not assume that heat is applied while maintaining the rolled state of the hair holder.
  • the hair holder described in the same document has a problem of spontaneous winding force of the hair holder, and does not assume that heat is applied while maintaining the rolled state of the hair holder.
  • Patent Document 4 describes a heat-resistant transparent container formed by using amorphous polyethylene terephthalate, and its technical field is different from that of a hair holder.
  • the amorphous polyethylene terephthalate sheet described in the same document is not used as it is in the form of a sheet, but is used by heating to completely melt it in order to manufacture a container. Is different. It is described in the same document that the container described in the same document exhibits transparency and heat resistance by stretching the sheet and then heating it to 130 ° C.-200 ° C. to heat-fix it.
  • the present invention relates to a hair holder capable of maintaining the rolled state even when heat is applied while maintaining the rolled state of the hair holder, and a hair treatment method using the same.
  • the present invention also relates to a method for producing such a hair holder.
  • the hair holder of the present invention is used to give a curl shape to a hair bundle.
  • the hair holder of the present invention is mainly used for treating human hair.
  • the hair holder 1 shown in FIGS. 1A and 1B includes a tubular body 2 configured so that a hair bundle H can be inserted from an opening 1a at one end toward an opening 1b at the other end. ..
  • the hair holder 1 has a longitudinal direction X and a width direction Y orthogonal to the longitudinal direction X.
  • the hair retainer 1 typically has two first and second sheets 22 that form the outer surface of the hair retainer 1. These two sheets 21 and 22 are long in the longitudinal direction X.
  • the hair holder 1 typically has a flat shape in which two such sheets 21 and 22 are laminated.
  • the first sheet 21 is located inside when the hair holder 1 is wound up.
  • the second sheet 22 is located on the outside when it is wound up.
  • the hair holder 1 is a tubular portion located between a pair of side joint portions 24, 24 formed by joining the first sheet 21 and the second sheet 22, and the pair of side joint portions 24, 24. It has 26 and.
  • the pair of side joints 24, 24 are formed on the side edges of the hair holder 1 along the longitudinal direction X.
  • the hair bundle H is inserted into the tubular portion 26 between the opening 1a at one end and the opening 1b at the other end in the longitudinal direction X.
  • the longitudinal direction X of the hair holder 1 corresponds to the insertion direction of the hair bundle H.
  • the side joints 24, 24 are formed by suturing a sewing machine or the like, which has a stronger bond strength than fusion such as heat sealing, from the viewpoint of preventing peeling from the joint even when heated during hair treatment. Is preferable.
  • the hair holder 1 has both side edges parallel to each other along the longitudinal direction X. Instead, the edges do not have to be parallel to each other. In that case, it is preferable that the width of both side edges gradually increases from the opening 1a at one end toward the opening 1b at the other end. That is, in a plan view, it is preferable that the hair holder 1 has a divergent shape from the opening 1a at one end toward the opening 1b at the other end.
  • the hair holder 1 is preferably configured so that it can be rolled up along the longitudinal direction X. It is preferable that the hair holder 1 is configured to be automatically rolled up. Instead, the hair retainer 1 may be configured to be manually rolled up. As a configuration for automatically winding up, for example, the hair holder 1 is wound in a state where tension is not applied to the hair holder 1 in the longitudinal direction X, and the hair holder 1 is stretched to insert a hair bundle. Later, when the stretched state is released, the hair holder 1 is configured to spontaneously wind up together with the hair bundle. Such a configuration is achieved by any one or both of the two sheets 21 and 22 constituting the hair holder 1 comprising a shape memory sheet that stores the rolled-up state of the hair holder 1. be able to.
  • the shape memory sheet is made of, for example, laminated films having different heat shrinkage rates.
  • the hair holder 1 has an extending portion 4 in which the first sheet 21 extends outward in the longitudinal direction X from the tubular body 2 on the opening 1a side. have.
  • the extension portion 4 is integrally formed with the first sheet 21.
  • the extension portion 4 may be formed of a sheet separate from the first sheet 21. Further, the hair holder 1 does not have to have an extension portion.
  • the hair holder 1 preferably has a fixing member 5 that holds the rolled-up state.
  • the fixing member 5 is preferably arranged on the outer surface of the extending portion 4. It is preferable that the fixing member 5 can be detachably engaged with the outer surface of the second sheet 22.
  • the fixing member 5 is arranged in the hair bundle holder 3 so as to face a part of the outer surface of the second sheet 22, and is bonded to the part of the outer surface. As a result, the hair holder 1 can be maintained in the form of the hair bundle holder 3.
  • Examples of the fixing member include a seat engaging member and a connecting member.
  • Examples of the seat engaging member include a hook and a male member of a mechanical fastener.
  • Examples of the connecting member include a magnet, an adherend-selective adhesive tape that bonds only a specific substance, and the like.
  • the hair holder 1 completes the wound state by inserting the hair bundle from the opening 1a toward the opening 1b and then winding it together with the hair bundle.
  • the state in which the hair holder 1 is rolled up is also referred to as a hair bundle holder 3.
  • FIG. 2 shows an example of the hair bundle holder 3.
  • the opening 1b is located on the central axis C side thereof.
  • one of the first sheet 21 and the second sheet 22 has a storage elastic modulus of dynamic viscoelasticity measured at 100 ° C. and a frequency of 1 Hz as shown below. It is preferable that the sheet satisfies at least one of the numerical range of E'and the numerical range of the storage elastic modulus E'measured at 150 ° C. and a frequency of 1 Hz. Both sheets 21 and 22 were measured at the following numerical range of storage elastic modulus E'measured at 100 ° C. and frequency 1 Hz (hereinafter, also referred to as "condition (1)") and at 150 ° C. and frequency 1 Hz.
  • the sheet satisfies all of the numerical range of the storage elastic modulus E'(hereinafter, also referred to as "condition (2)").
  • condition (2) the storage elastic modulus E'is defined at 100 ° C. and 150 ° C. is that the temperature range used in the heating permanent treatment is generally 100 ° C. or higher and 150 ° C. or lower, so that the hair holder of the present invention is stable in the temperature range. This is because it was considered appropriate to specify the storage elastic modulus E'at 100 ° C. and 150 ° C. for practical use.
  • the high storage elastic modulus E'of the sheet constituting the hair holder means that (i) the rolled state can be maintained even if heat is applied while maintaining the rolled state of the hair holder. And (ii) it contributes to both the ability to use the hair retainer repeatedly.
  • the first sheet 21 is a sheet that satisfies the numerical range of the storage elastic modulus E'measured at 150 ° C. and a frequency of 1 Hz as shown below from the viewpoint of improving the maintenance of the hoisting state at a high temperature where strong habituation is performed. Is even more preferable.
  • the second sheet 22 has a numerical range of the storage elastic modulus E'measured at 100 ° C. and a frequency of 1 Hz as shown below. It is more preferable that the sheet satisfies the above conditions.
  • the first sheet 21 and the second sheet 22 it is preferable that the first sheet 21 located at least inside in the wound state satisfies both the condition (1) and the condition (2), and both sheets 21 and 22 each satisfy the condition. It is more preferable to satisfy both (1) and condition (2).
  • the storage elastic modulus E'of the dynamic viscoelasticity is 100 ° C. and a frequency of 1 Hz. It is preferably 50 MPa or more, more preferably 70 MPa or more, and even more preferably 90 MPa or more.
  • the storage elastic modulus E'of the dynamic viscoelasticity under the condition (2) is 19 under the condition of 150 ° C. and frequency 1 Hz. It is preferably 2 MPa or more, more preferably 20 MPa or more, further preferably 30 MPa or more, particularly preferably 35 MPa or more, and even more preferably 40 MPa or more. In condition (2), the higher the upper limit of the storage elastic modulus E'measured at 150 ° C.
  • the storage elastic modulus E'measured at 150 ° C. and a frequency of 1 Hz is preferably 19.2 MPa or more and 80 MPa or less, more preferably 20 MPa or more and 80 MPa or less, and 30 MPa or more and 80 MPa or less. It is more preferably 40 MPa or more and 80 MPa or less.
  • the storage elastic modulus E'in conditions (1) and (2) is measured by the following method. The reason why the measurement temperature of the storage elasticity E'was set to 100 ° C. or 150 ° C.
  • the usable set temperature is set to 150 ° C.
  • a dynamic viscoelastic device (“DMS6100” manufactured by SII Nanotechnology Co., Ltd.) was used. A strip-shaped sample having a width of 10 mm and a length of 20 mm is cut out from each of the first sheet 21 and the second sheet 22. These strip-shaped samples are raised at a frequency of 1 Hz from 20 ° C. to 300 ° C. at a rate of 10 ° C. per minute and measured in a tensile mode to determine the storage elastic modulus E'at 100 ° C. and 150 ° C.
  • one sheet may be composed of only polyester-based non-woven fabric, or may contain a non-woven fabric made of polyester-based non-woven fabric and fibers of other polymers. From the viewpoint of facilitating the maintenance of the winding state and the viewpoint of adjusting the heating temperature in the winding process, it is preferable that both of the two sheets 21 and 22 are composed of only polyester-based non-woven fabric.
  • the polyester-based non-woven fabric contains polyester fibers having an ester of an aromatic dicarboxylic acid and a saturated fatty alcohol as a repeating unit.
  • polyesters include polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, polybutylene naphthalate and the like.
  • One of these fibers may be used alone, or two or more of these fibers may be used in combination. It is also possible to use a composite fiber containing two or more of these polyesters.
  • a non-woven fabric having fibers containing polyethylene terephthalate is preferably used from the viewpoint of excellent heat resistance.
  • the polyester-based non-woven fabric may be composed of only polyester fibers, or may contain fibers made of polyester fibers and other polymers. Preferably, the polyester-based non-woven fabric is composed only of polyester fibers.
  • the polyester-based nonwoven fabric has fibers containing polyethylene terephthalate, it is more preferable that the fibers containing polyethylene terephthalate contain an amorphous portion. As a result, the hair bundle holder 3 can be provided with further heat resistance and flexibility. Whether or not it contains an amorphous portion is confirmed by the method described later.
  • the amorphous portion is a portion where the orientation and spacing of the polymers are non-uniform.
  • a differential scanning calorimetry device "PYRIS Diamond DSC” manufactured by PerkinElmer Co., Ltd. is used. Remove a 6.9 mg sample from the hair retainer. After enclosing the sample in an aluminum closed cell, the cell is set in an apparatus holder, and the temperature is raised from 25 ° C. to 300 ° C. at a rate of 10 ° C. per minute to measure the amount of heat. It is known that the amount of heat changes with the temperature rise at the glass transition point. Therefore, the presence or absence of the glass transition point is determined from the change in the amount of heat, and the presence or absence of the amorphous portion is evaluated.
  • the glass transition point is a physical property peculiar to the amorphous portion of the resin and is generally observed in the amorphous polyester, but it is also observed when the amorphous portion is present in the crystalline polyester.
  • Whether or not one of the two sheets 21 and 22 contains a non-woven fabric can be determined by observing with a microphone scope. Whether or not the fiber used in the non-woven fabric is a polyester fiber can be analyzed by infrared absorption spectrum measurement using FT-IR. The type of polyester fiber can be identified by nuclear magnetic resonance spectroscopy or pyrolysis analysis, and the measurement is performed according to the method described in the following books. Toshinori Ando, 1 person, "Examination of analysis method for polytrimethylene terephthalate", Central Customs Laboratory Bulletin No. 59, Central Customs Laboratory, Ministry of Finance, December 2019, p. 119-126, Internet
  • one of the two sheets 21 and 22 has a heat generation peak of 125 ° C. or higher and 1700 ° C. or lower by differential scanning calorimetry. It is preferable that it is not observed in the range. From the viewpoint of imparting heat resistance, it is preferable that the exothermic peak is not observed in the range of preferably 110 ° C. or higher, more preferably 100 ° C. or higher. Further, from the viewpoint of imparting flexibility, it is more preferable that the exothermic peak is not observed in the range of preferably 200 ° C. or lower, more preferably 300 ° C. or lower.
  • the heat generation peak is not observed in the above range in both sheets 21 and 22.
  • the fact that no exothermic peak is observed in the temperature range means that the degree of crystallization of the polyester is high.
  • the exothermic peak is measured by the method described later.
  • one of the two sheets 21 and 22 has an endothermic peak of 100 ° C. or higher and 220 ° C. or lower by differential scanning calorimetry. It is preferable to observe in the range. From the viewpoint of imparting heat resistance, the endothermic peak is preferably observed in the range of preferably 145 ° C. or higher, more preferably 170 ° C. or higher, and even more preferably 180 ° C. or higher. From the viewpoint of imparting heat resistance and flexibility, it is more preferable that the endothermic peak is observed in the above range for both sheets 21 and 22. The endothermic peak is due to the thermal history of the polyester resin.
  • the endothermic peak has a heat absorption amount of 0.1 J / g or more and 10 J / g or less calculated from the area of the endothermic curve in the range of 100 ° C. or higher and 220 ° C. or lower. It is preferably 0.5 J / g or more and 5 J / g or less, more preferably.
  • the endothermic peak has an endothermic amount of 0.1 J / g or more and 10 J / g or less calculated from the area of the endothermic curve in the range of 120 ° C. or higher and 220 ° C. or lower from the viewpoint of imparting heat resistance and flexibility. Is preferable, and more preferably 0.5 J / g or more and 5 J / g or less. The endothermic peak is measured by the method described later.
  • a differential scanning calorimetry device "PYRIS Diamond DSC” manufactured by PerkinElmer Co., Ltd. is used. Remove a 6.9 mg sample from the hair retainer. After enclosing the sample in an aluminum closed cell, the cell is set in an apparatus holder, and the temperature is raised from 25 ° C. to 300 ° C. at a rate of 10 ° C. per minute to measure the amount of heat.
  • the polyester-based non-woven fabric preferably has an embossed portion for fixing the constituent fibers to each other.
  • embossed portion for fixing the constituent fibers to each other.
  • the non-woven fabric having an embossed portion include a spunbonded non-woven fabric obtained by the spunbond method and one embossed using an embossed roll.
  • the polyester-based non-woven fabric has a basis weight of preferably 50 g / m 2 or more, more preferably 70 g / m 2 or more, from the viewpoint of improving the liquid absorption property of the permanent agent while maintaining the rigidity as a hair holder.
  • the basis weight is preferably 300 g / m 2 or less, more preferably 200 g / m 2 or less, still more preferably 150 g / m 2. It is as follows.
  • the basis weight is preferably 50 g / m 2 or more and 300 g / m 2 or less, more preferably 70 g / m 2 or more and 200 g / m 2 or less, and 90 g / m 2 or more and 150 g / m 2 or less. Is even more preferable.
  • the shape of the embossed portion in a plan view is not particularly limited, and examples thereof include a circular shape, a polygonal shape, and an elliptical shape.
  • Area per one of the embossed portion from the viewpoint of improving the permeability of the permanent agent, preferably 0.01 mm 2 or more, more preferably 0.1 mm 2 or more, more preferably 0.8 mm 2 or more. Further, from the viewpoint of improving the liquid absorption property of the permanent agent, the area is preferably 5 mm 2 or less, more preferably 2 mm 2 or less, and further preferably 1 mm 2 or less.
  • the area is preferably 0.01 mm 2 or more 5 mm 2 or less, further preferably 0.1 mm 2 or more 2 mm 2 or less, and still more preferably 0.8 mm 2 or more 1 mm 2 or less.
  • the embossing ratio which is the ratio of the total area of the areas of the plurality of embossed portions in the range of 10 mm ⁇ 10 mm in the non-woven fabric, is preferably 10% or more, more preferably 15 from the viewpoint of improving the permeability of the permanent agent. % Or more, more preferably 25% or more.
  • the embossing rate is preferably 50% or less, more preferably 35% or less.
  • the embossing rate is preferably 10% or more and 50% or less, more preferably 15% or more and 35% or less, and further preferably 25% or more and 35% or less.
  • the size and the like of the hair holder 1 can be appropriately determined according to the length of the hair, the place where the curl shape is desired, and the amount of the hair bundle to be inserted, and is preferably in the following range.
  • the length L1 of the hair holder 1 in the longitudinal direction X is preferably 50 mm or more, more preferably 100 mm or more, from the viewpoint of holding the hair bundle and surely habituating the hair bundle. Is.
  • the length L1 is preferably 400 mm or less, more preferably 350 mm or less, from the viewpoint of facilitating the insertion of the hair bundle into the tubular body.
  • the length L1 is preferably 50 mm or more and 400 mm or less, and more preferably 100 mm or more and 350 mm or less.
  • the length L1 of the hair holder 1 in the longitudinal direction X is the total length of the extending portion 4 and the tubular body 2 in the longitudinal direction X.
  • the length L2 of the tubular body 2 in the longitudinal direction X is preferably 45 mm or more, more preferably 90 mm or more, from the viewpoint of holding the hair bundle and surely habituating the hair bundle. Is.
  • the length L2 is preferably 300 mm or less, more preferably 275 mm or less, from the viewpoint of facilitating the insertion of the hair bundle into the tubular body.
  • the length L2 is preferably 45 mm or more and 300 mm or less, and more preferably 90 mm or more and 275 mm or less.
  • the length W1 of the hair holder 1 in the width direction Y is preferably 25 mm or more, more preferably 30 mm or more, from the viewpoint of facilitating the insertion of the hair bundle into the tubular body.
  • the length W1 is preferably 200 mm or less, more preferably 150 mm or less, from the viewpoint of suppressing the spread of the inside of the tubular body of the hair bundle and performing uniform habituation.
  • the length W1 is preferably 25 mm or more and 200 mm or less, and more preferably 30 mm or more and 150 mm or less.
  • the length W2 of the opening 1b at the other end in the width direction Y is preferably 10 mm or more, more preferably 20 mm or more, from the viewpoint of facilitating the insertion of the hair bundle into the tubular body. is there.
  • the length W2 is preferably 195 mm or less, more preferably 145 mm or less, from the viewpoint of suppressing the spread of the inside of the tubular body of the hair bundle and performing uniform habituation.
  • the length W2 is preferably 10 mm or more and 195 mm or less, and more preferably 20 mm or more and 145 mm or less.
  • the outer diameter D of the hair bundle holder 3 is not particularly limited, and may be appropriately set according to the amount of the hair bundle, the length of the hair bundle, and the like.
  • the outer diameter D is preferably 10 mm or more, more preferably 15 mm or more, from the viewpoint of workability at the time of winding.
  • the outer diameter D is preferably 60 mm or less, more preferably 50 mm or less, from the viewpoint of giving a good curl shape to the hair bundle.
  • the outer diameter D is preferably 10 mm or more and 60 mm or less, and more preferably 15 mm or more and 50 mm or less.
  • the outer diameter D is the maximum length of the cross section in the radial direction orthogonal to the central axis direction of the rolled-up and rolled hair holder 1.
  • the maximum length is measured in the roll-shaped tubular body 2 except for a portion where the tubular bodies 2 are in contact with each other but do not overlap each other and are raised.
  • the hair treatment agent is not particularly limited, and any commercially available permanent agent or the like can be used.
  • the permanent agent is generally composed of a first agent containing a reducing substance such as thioglycolate and cysteine and a second agent containing an oxidizing substance such as bromate and hydrogen peroxide.
  • first step a winding step for winding both the integrated sheets.
  • second step a heating step in which heat treatment is performed under the following conditions while maintaining the winding state.
  • the heat applied in the second step is preferably 300 ° C. or lower, and more preferably 250 ° C. or lower, from the viewpoint of performing heat treatment without melting or thermally deforming the polyester-based non-woven fabric.
  • the heat may be applied in the second step in a dry state, or a method of immersing in an oil bath may be adopted.
  • a method of immersing in an oil bath it is necessary to remove the oil after heating. From this point of view, it is preferable to apply heat to the rolled-up hair holder by using superheated steam heated to a boiling point or higher.
  • superheated steam is used, the heating time is faster than that in the dry state, and the productivity is improved as compared with the heating in the oil bath.
  • heating in a dry state is preferable to heating with an oil bath or superheated steam from the viewpoint of improving workability without requiring a step of removing oil, water, etc. after heating.
  • Superheated steam is typically superheated steam.
  • the heating time is preferably 1 minute or less, and more preferably 45 seconds or less. From the viewpoint of surely imparting the above-mentioned storage elastic modulus E'to the hair holder, it is preferable to heat the hair holder for 20 seconds or longer. In the case of heating in a dry state, when heat is applied, the heating time is preferably 60 minutes or less, and more preferably 30 minutes or less. From the viewpoint of surely imparting the above-mentioned storage elastic modulus E'to the hair holder, it is preferable to heat it for 55 minutes or more.
  • the winding process and the heating process may be performed in different places or after a while. From the viewpoint of improving the productivity of the hair holder, it is preferable to carry out both steps continuously without any step between the winding step and the heating step.
  • the hair treatment method preferably includes a step (a) of inserting the hair bundle H into the tubular portion 26 of the hair holder 1.
  • the hair treatment method preferably includes a step (b) of winding up the hair holder 1 together with the hair bundle H inserted in the tubular portion 26 to form the rolled-up hair bundle holder 3.
  • the hair treatment method preferably includes a step (c) of heating the hair bundle holder 3.
  • the hair of the hair bundle H is preferably human hair.
  • the hair bundle H in the step (c), can be heated to 80 ° C. or higher while maintaining the rolled-up state.
  • the hair holder 1 since one or both of the two sheets 21 and 22 have a storage elastic modulus E'that is equal to or higher than the above-mentioned value, the hair is heated to, for example, 80 ° C. or higher. It can be maintained in the form of the bundle holder 3. As a result, it is possible to impart a strong curl shape to the hair bundle H.
  • the hair retainer 1 has excellent durability and can be used repeatedly. From the viewpoint of imparting a stronger curl shape to the hair bundle H, it is preferable to heat the hair bundle H with a permanent agent applied.
  • the hair holder may be deformed due to the influence of the permanent agent and heat, and the rolled-up state may not be maintained or the outer diameter D may become large.
  • the hair holder 1 of the present invention it is possible to obtain the effect that the deformation of the hair holder due to the influence of the permanent agent and heat is suppressed and the hair holder can be used repeatedly.
  • the hair holder 1 can maintain the rolled-up state and does not impair its durability even if it is heated to 90 ° C. or higher and 90 ° C. or higher in the treatment step. There is.
  • the hair bundle H When the hair bundle H is heated with the permanent agent applied, it is preferable to heat the hair bundle H to 80 ° C. or higher using an electric heater. Normally, when the hair holder is heated by the electric heater, the electric heater is removed after the permanent treatment. However, by using the hair holder of the present invention, the electric heater can be used at any timing even after the permanent treatment. You can get the effect that you can remove the.
  • the electric heater When heating using a permanent rod equipped with an electric heater inside, of the two sheets 21 and 22, the first sheet 21 located inside at the time of winding and in contact with the permanent rod has the above-mentioned value.
  • a sheet having the above storage elastic modulus E' is preferable.
  • the hair holder of the present invention is not limited to the above-described embodiment, and can be appropriately modified as long as it does not deviate from the gist of the present invention.
  • the surface of the sheet constituting the "cylindrical body 2" may have irregularities by embossing or the like, or may be a flat surface.
  • Examples 1 to 6 and Comparative Examples 1 to 4 The product name "Smash (registered trademark)" manufactured by Asahi Kasei Corporation was used as the two sheets constituting the hair holder.
  • the sheet is a non-woven fabric obtained by a spunbond method using polyethylene terephthalate as a raw material fiber.
  • the basis weight of the non-woven fabric was 100 g / m 2 .
  • the area of each embossed portion was 0.8 mm 2 , and the embossing rate was 30%. Using such a sheet, hair holders having the shapes shown in FIGS. 1 (a) and 1 (b) were produced.
  • the length L1 was 300 mm
  • the length L2 of the tubular body was 250 mm
  • the length W1 of the tubular body was 86 mm
  • the length W2 of the opening at the other end was 76 mm.
  • the hair holder was wound up so that the outer diameter D was 26 mm, and while maintaining that state, heat at the temperatures shown in Table 1 below was applied to prepare the hair holders of Examples and Comparative Examples. In all examples and comparative examples, heat was applied in a dry state. In all Examples and Comparative Examples, the heating time was 20 minutes.
  • the storage elastic modulus E', the presence or absence of an amorphous portion, and the exothermic peak and the endothermic peak were measured by the methods described above. These results are shown in Table 1 below.
  • Heat resistance was evaluated as a performance evaluation of the hair holders of Examples and Comparative Examples. The heat resistance was evaluated based on the following evaluation criteria. The evaluation results are shown in Table 1 below and FIGS. 4 (a) and 4 (b).
  • the heat resistance of the hair holder was evaluated by the following evaluation. If the heat resistance of the hair holder is high, it can be determined that the hair holder in which the hair is inserted can be maintained in a rolled-up state, and the hair holder can be used repeatedly.
  • the hair holders of Examples 1 to 6 have a lower rate of change in outer diameter and better heat resistance than the hair holders of Comparative Examples 1 to 4.
  • the storage elastic modulus E'at 100 ° C. and a frequency of 1 Hz is 50 MPa or more
  • the slope of the outer diameter change rate changes significantly, and the outer diameter change rate changes. It can be seen that it tends to stabilize.
  • the storage elastic modulus E'at 150 ° C. and a frequency of 1 Hz is 19.2 MPa or more
  • the slope of the change rate of the outer diameter changes significantly, and the outer diameter changes.
  • the rate of change tends to stabilize.
  • the hair holders of Examples 3 to 6 having a storage elastic modulus E'of 30 MPa or more under the conditions of 150 ° C. and a frequency of 1 Hz have particularly good heat resistance. Therefore, the hair holders of Examples 1 to 6 can maintain the rolled-up state of the hair holder even when heat is applied while maintaining the rolled-up state, and it can be expected to impart a strong curl shape to the hair bundle. ..
  • the rolled-up state can be maintained even if heat is applied while maintaining the rolled-up state.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cosmetics (AREA)
  • Hair Curling (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention concerne un porte-cheveux (1) qui comprend un corps cylindrique (2) qui est configuré pour permettre l'insertion d'un faisceau de cheveux (H) depuis une ouverture (1a) à une extrémité vers une ouverture (1b) à l'autre extrémité. Le porte-cheveux (1) a une direction longitudinale (X) et une direction de largeur (Y). Le porte-cheveux (1) est configuré pour pouvoir être enroulé le long de la direction longitudinale (X) et a une première feuille (21), qui est positionnée à l'intérieur lorsque le porte-cheveux est enroulé, et une seconde feuille (22) qui est positionnée à l'extérieur. L'une ou les deux feuilles (21, 22) satisfont au moins une des conditions suivantes (1) et (2). (1) Comprend un tissu non tissé à base de polyester et a un module d'élasticité de stockage viscoélastique dynamique E' supérieur ou égal à 50 MPa, mesuré à 100 °C à une fréquence de 1 Hz. (2) Comprend un tissu non tissé à base de polyester et a un module d'élasticité de stockage viscoélastique dynamique E' supérieur ou égal à 19,2 MPa, mesuré à 150 °C à une fréquence de 1 Hz.
PCT/JP2020/029828 2019-08-09 2020-08-04 Porte-cheveux, procédé de fabrication de porte-cheveux et procédé de traitement de cheveux utilisant un porte-cheveux WO2021029278A1 (fr)

Priority Applications (4)

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JP2020563793A JP6947945B2 (ja) 2019-08-09 2020-08-04 毛髪保持具、その製造方法及びそれを用いた毛髪処理方法
US17/622,987 US20230189955A1 (en) 2019-08-09 2020-08-04 Hair holder, method for manufacturing hair holder, and hair treatment method using hair holder
CN202080053686.4A CN114173604A (zh) 2019-08-09 2020-08-04 毛发保持具、其制造方法和使用其的毛发处理方法
EP20852747.3A EP4011238A4 (fr) 2019-08-09 2020-08-04 Porte-cheveux, procédé de fabrication de porte-cheveux et procédé de traitement de cheveux utilisant un porte-cheveux

Applications Claiming Priority (2)

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JPPCT/JP2019/031729 2019-08-09
JP2019031729 2019-08-09

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US (1) US20230189955A1 (fr)
EP (1) EP4011238A4 (fr)
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CN (1) CN114173604A (fr)
TW (1) TWI787641B (fr)
WO (1) WO2021029278A1 (fr)

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JP2012245700A (ja) 2011-05-27 2012-12-13 Nakamoto Pakkusu Kk 耐熱透明容器
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US20160367002A1 (en) * 2015-06-17 2016-12-22 Paula Joyce Kraszewski Hair Curling System and Method that Utilizes Bi-Stable Ribbon Springs
WO2019131734A1 (fr) 2017-12-26 2019-07-04 花王株式会社 Instrument de maintien des cheveux

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EP4011238A4 (fr) 2023-08-23
US20230189955A1 (en) 2023-06-22
TW202112271A (zh) 2021-04-01
JP6947945B2 (ja) 2021-10-13
CN114173604A (zh) 2022-03-11
EP4011238A1 (fr) 2022-06-15
JPWO2021029278A1 (ja) 2021-09-13

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