JP7175040B1 - liquid cosmetic container - Google Patents

Abstract

An object of the present invention is to provide a liquid cosmetic container in which the liquid cosmetic does not leak from the mesh of the stretchable mesh regardless of the orientation of the container. The present invention comprises a container body having an opening and an accommodating portion, and an elastic mesh covering the opening, the accommodating portion accommodating a water-containing liquid cosmetic, and the elastic mesh being repellent. A water-treated liquid cosmetic container. [Selection drawing] Fig. 1

Description

TECHNICAL FIELD The present invention relates to a container for containing liquid cosmetics.

Conventionally, various cosmetic containers exist. For example, when the cosmetic stored in a bottomed container body with an open top surface is attached to an applicator such as a puff and used, a stretchable mesh is used as a cosmetic container that can adjust the amount of cosmetic attached. Japanese Utility Model Laid-Open No. 63-177406, Japanese Utility Model Laid-Open No. 3-72808, and the like.

The cosmetic container described above has the advantage that, by wiping an applicator such as a puff against the cosmetic from above the elastic mesh, an amount of the cosmetic can be attached to the applicator according to the pressing force. have.

Japanese Utility Model Laid-Open No. 63-177406 Japanese Utility Model Laid-Open No. 3-72808

When the cosmetic contained in the cosmetic container is liquid, the liquid cosmetic may leak from the elastic mesh depending on the orientation of the container. For example, if the cosmetic container is laid on its side during transportation or the like, the liquid cosmetic may come into contact with the elastic mesh and leak through the mesh of the elastic mesh.

SUMMARY OF THE INVENTION An object of the present invention is to provide a liquid cosmetic container in which the liquid cosmetic does not leak from the elastic mesh regardless of the direction of the container.

As a result of intensive studies, the present inventors
A container body having an opening and a housing, and
An elastic mesh covering the opening is provided,
The storage unit stores a water-containing liquid cosmetic,
The inventors have found that the above object can be achieved by a liquid cosmetic container in which the stretchable mesh is water repellent, and have completed the present invention.

The water-repellent treatment is preferably surface treatment with a fluorine compound.

It is preferable that the fluorine compound is a fluorinated polymer.

It is preferable that the elastic mesh is made of synthetic fibers.

Preferably, the synthetic fibers are bicomponent fibers.

Preferably, said bicomponent fibers consist of polyethylene terephthalate and polytrimethylene terephthalate.

It is preferable that each synthetic fiber constituting the elastic mesh is water repellent.

The liquid cosmetic container of the present invention further comprises a lid,
It is preferable that the lid can cover the elastic mesh.

The liquid cosmetic container of the present invention further comprises an applicator,
Preferably, the applicator is present between the lid and the stretchable mesh.

It is preferable that the liquid cosmetic is a foundation.

In the liquid cosmetic container of the present invention, the liquid cosmetic does not leak from the elastic mesh regardless of the orientation of the container. Therefore, for example, even if the cosmetic container is laid down during transportation or the like, the liquid cosmetic will not leak from the meshes of the stretchable mesh.

1 is an exploded perspective view showing an example of a cosmetic container of the present invention; FIG.

The liquid cosmetic container of the present invention is
A container body having an opening and a housing, and
An elastic mesh covering the opening is provided,
The storage unit stores a water-containing liquid cosmetic,
It is characterized in that the elastic mesh is treated to be water-repellent.

The present invention will be described below.

The container body constituting the liquid cosmetic container of the present invention has an opening and a storage portion, and the storage portion stores the water-containing liquid cosmetic. Preferably, the receptacle has one bottom.

The material of the container body is arbitrary, and may be inorganic materials such as metals and ceramics; organic materials such as paper and resin; or composites thereof.

The opening of the container body is covered with a stretchable mesh, and the water-containing liquid cosmetic stored in the storage portion of the container body passes through the stretchable mesh during use.

The stretchable mesh is usually planar but deformable, and when using a water-containing liquid cosmetic, it is deformed by being pushed with a finger or the like, and is stretched from the opening of the container body to the inside of the container (particularly, toward the bottom of the container). ). On the other hand, the stretchable mesh is not deformed and is planar when the water-containing liquid cosmetic is not used, and does not stretch toward the storage portion of the container body.

The stretchable mesh is preferably stretchable vertically downward by 0.5 cm or more, more preferably stretchable by 1 cm or more, when the horizontally placed stretchable mesh is pushed downward. Even more preferably, it can be stretched by 1.5 cm or more. It is particularly preferred that the stretchable mesh is able to reach the bottom surface of the container when stretched.

When the water-containing liquid cosmetic is used, at least a part of the water-containing liquid cosmetic is allowed to pass through the mesh of the elastic mesh by pressing the stretchable mesh toward the water-containing liquid cosmetic in the storage part of the container body and deforming it. The water-containing liquid cosmetic that has passed through the mesh of the elastic mesh can be used by attaching it to an applicator such as a puff or a brush.

The housing portion of the container body may further include a porous member such as porous sponge or foam other than the stretchable mesh. When the storage portion of the container body includes a porous member, at least a portion of the water-containing liquid cosmetic may impregnate the porous member. However, when the containing portion of the container body includes a porous member, the stretchable mesh is less likely to deform toward the containing portion of the container body, so the containing portion of the container body preferably does not contain the porous member.

The material of the elastic mesh is not particularly limited, and arbitrary materials such as inorganic materials such as metals, organic materials such as synthetic resins, and composites thereof can be used. The elastic mesh material is preferably a synthetic resin, more preferably a thermoplastic resin.

The elastic mesh is preferably in the form of a woven or knitted fabric made of fibers, more preferably made of a synthetic resin, and even more preferably made of a thermoplastic resin.

Examples of thermoplastic resins include polyolefin resins such as polyethylene, polypropylene, and mixtures thereof, polystyrene resins, polylactic acid resins, AS resins (acrylonitrile-styrene copolymers), and ABS resins (acrylonitrile-butadiene-styrene copolymers). , polyamide resin, PTT (polytrimethylene terephthalate), PBT (polybutylene terephthalate), PET (polyethylene terephthalate) and other polyester resins. These resins may be mixed or compounded and used. A polyester resin is more preferable as the thermoplastic resin. As the polyester resin, an aromatic polyester resin is more preferable, and PTT, PET, or a composite thereof is even more preferable.

Preferably, the synthetic resin is not polytetrafluoroethylene or a fluorinated polymer as described below.

Composite fibers can also be used as the fibers. Examples of conjugate fibers include core-sheath type conjugate fibers, bicomponent (side-by-side) type conjugate fibers, and split type conjugate fibers. More preferred are bicomponent (side-by-side) bicomponent fibers. A bicomponent (side-by-side) type conjugate fiber has a structure in which two types of polymers are combined to form one fiber, and two fibers made of different polymers are integrated in the longitudinal direction. Bicomponent (side-by-side) type conjugate fibers include, for example, Lycra T400 (registered trademark) of Toray Operontex Co., Ltd., which is a bicomponent fiber of PTT and PET.

The fibers are preferably synthetic fibers, preferably thermoplastic resin fibers, and even more preferably bicomponent fibers. Preferably, said bicomponent fibers consist of polyethylene terephthalate and polytrimethylene terephthalate. The weight ratio of polyethylene terephthalate and polytrimethylene terephthalate in the bicomponent fiber is not particularly limited, but can be, for example, 10 to 90:90:10, 20 to 80:80: 20 is preferred, 30-70:70-30 is more preferred, and 30-50:70-50 is even more preferred.

The fiber width of the fibers is not particularly limited, and can be, for example, in the range of 0.01 mm to 2 mm, preferably in the range of 0.05 mm to 1.5 mm, more preferably in the range of 0.1 mm to 1 mm. is.

^The basis weight of the stretchable ^mesh is not particularly limited as long as the mesh exhibits ^{stretchability} . /m ² , more preferably 100 g/m ² to 150 g/m ² .

The thickness of the stretchable mesh is not particularly limited as long as the mesh exhibits stretchability. .1 mm to 1 mm.

The maximum mesh length of the elastic mesh is not particularly limited, and can be, for example, in the range of 0.01 mm to 0.9 mm, preferably 0.05 mm to 0.8 mm, more preferably 0.05 mm to 0.8 mm. It ranges from 1 mm to 0.7 mm.

The maximum open area of the elastic mesh can be, for example, in the range of 0.01 mm ² to 0.9 mm ² , preferably in the range of 0.05 mm ² to 0.7 mm ² , more preferably 0.1 mm. ² to 0.5 mm ² .

In general, when a cosmetic is used, the mesh of the elastic mesh expands as the elastic mesh expands, making it easier for the cosmetic to pass through the elastic mesh. However, when the cosmetic is not used, the elastic mesh shrinks. Since the mesh size of the elastic mesh is small, the cosmetic does not easily pass through the elastic mesh.

However, since liquid cosmetics have high fluidity, they can easily pass through even small meshes of elastic mesh when not in use. It may leak.

Therefore, in the present invention, the elastic mesh is treated to be water repellent. Thus, in the present invention, the cosmetic passes through the elastic mesh when the water-containing liquid cosmetic is used, and the cosmetic passes through the elastic mesh when the water-containing liquid cosmetic is not used. do not do. Although not bound by theory, it is believed that the surface of the elastic mesh treated with water repellent treatment is hydrophobic, so that the water-containing liquid cosmetics are prevented from passing through the small meshes of the elastic mesh when not in use. Conceivable.

By making the meshes of the elastic mesh sufficiently small when the elastic mesh is stretched, the mesh of the elastic mesh is completely closed when the liquid cosmetic is not used (when the elastic mesh is contracted). When the liquid cosmetic is used, it is possible to open the mesh of the stretchable mesh by stretching the stretchable mesh.

The type of water-repellent treatment is not particularly limited, and examples thereof include surface treatment with any water-repellent agent including fluorine compounds, silicones, non-fluorinated hydrocarbons, and the like. A plurality of types of water repellent agents may be used in combination. From the viewpoint of water repellency, surface treatment with a water repellent agent containing a fluorine compound is preferable.

A fluorine compound is a compound containing at least one, preferably a plurality of fluorine atoms.

The fluorine compound is preferably an organic compound having a fluorine atom-containing group containing at least one, preferably a plurality of fluorine atoms. The fluorine atom-containing group may be linear or branched.

Examples of fluorine atom-containing groups include perfluoroalkyl groups, semifluoroalkyl groups, perfluoroalkylether groups, semifluoroalkylether groups, and the like.

A perfluoroalkyl group is represented by C _n F _2n+1 - (n represents a positive number of 1 or more). The perfluoroalkyl group may be linear or branched, preferably linear.

A semifluoroalkyl group has a chemical structure in which a portion of the fluorine atoms of a perfluoroalkyl group is substituted with hydrogen atoms. The semifluoroalkyl group may be linear or branched, preferably linear.

A perfluoroalkyl ether group is represented by C _n F _2n+1 -O- (n represents a positive number of 1 or more). The perfluoroalkyl ether group may be linear or branched, preferably linear.

A semifluoroalkyl ether group has a chemical structure in which a portion of the fluorine atoms of a perfluoroalkyl ether group is substituted with hydrogen atoms. The semifluoroalkyl ether group may be linear or branched, preferably linear.

The number of carbon atoms contained in the fluorine atom-containing group is not particularly limited, but is preferably 12 or less, more preferably 10 or less, even more preferably 8 or less, and particularly preferably 6 or less.

The fluorine atom-containing group may contain at least one halogen atom other than fluorine, such as a chlorine atom.

As the fluorine compound, a low-molecular-weight compound, which is a low-molecular-weight compound, a fluorinated polymer, which is a high-molecular-weight compound, or a mixture thereof can be used.

Low-molecular-weight fluorides include, for example, fluorocarbons, fluorohydrocarbons, and the like. More specific examples include alkanes, alcohols, ethers, esters, urethanes and the like having fluorine atom-containing groups.

Examples of fluorinated polymers include polymers or oligomers having at least one, preferably more than one, fluorine atom-containing group on the main chain and/or side chains.

As fluorinated polymers, for example, olefinic or non-olefinic fluorinated polymers can be used.

Olefinic fluorinated polymers are polymers of monomers having ethylenic double bonds. Olefin-based fluorinated polymers include, for example, polytetrafluoroethylene, tetrafluoroethylene/hexafluoropropylene copolymer, tetrafluoroethylene/perfluoroalkyl vinyl ether copolymer (perfluoroalkoxyalkane), tetrafluoroethylene/ethylene copolymer, polyfluorinated Vinylidene, polychlorotrifluoroethylene, chlorotrifluoroethylene/ethylene copolymers, polyvinyl fluoride, and mixtures thereof.

A fluorine atom-containing group may have a hydrogen atom. For example, the fluorine atom-containing group may be a semiperfluoroalkyl group, a semiperfluoroalkylether group, or the like, as described above.

The olefin-based fluorinated polymer may be a fluorine atom-containing (meth)acrylic polymer or oligomer or a fluorine atom-containing (meth)acrylic copolymer having at least one fluorine atom-containing group in a side chain.

The fluorine atom-containing (meth)acrylic polymer is preferably a fluorine atom-containing (meth)acrylate polymer or copolymer having at least one fluorine atom-containing group in the side chain. Such a fluorine atom-containing (meth)acrylate is , for example, Formula 1 below:
CH ₂ =C(R)COO-Q-Rf (Formula 1)
(wherein R represents a hydrogen atom or a methyl group, Q represents a divalent organic group, and Rf represents a fluorine atom-containing group).

Q in Formula 1 is preferably an alkylene group, an alkylene group, or a divalent organic group derived therefrom, more preferably an alkylene group. Q is, for example, -CH ₂ CH ₂ -, -CH(CH ₃ )CH ₂ -, -CH ₂ CH ₂ N(CH ₃ )CO-, -CH ₂ CH ₂ N(CH ₃ )SO ₂ -, -CH(CH ₂ Cl)CH ₂ OCH ₂ CH ₂ N(CH ₃ )SO ₂ - and the like.

Examples of fluorine atom-containing (meth)acrylates represented by Formula 1 include the following (R represents a hydrogen atom or a methyl group, and R ^f represents a fluorine atom-containing group):
_{CH2 = CRCOOCH2CH2Rf} ^,
_{CH2 =} CRCOOCH( _CH3 ) ^CH2Rf ,
_{CH2 =} CRCOOCH2CH2N _{( CH3} ) ^CORf ,
_{CH2 = CRCOOCH2CH2N} ( _C2H5 ⁾ _CORf ,
_{CH2 = CRCOOCH2CH2N} ( _C3H7 ⁾ _CORf ,
_{CH2 =} ^CRCOOCH2CH2N _{( CH3} ) _SO2Rf ,
_{CH2 = CRCOOCH2CH2N ( C2H5} ⁾ _SO2Rf ,
_{CH2 = CRCOOCH2CH2N ( C3H7} ⁾ _SO2Rf ,
_{CH2 =} ^CRCOOCH _{( CH2Cl} ) _CH2OCH2CH2N ( _CH3 ) _SO2Rf .

Fluorine atom-containing (meth)acrylates may be used alone or in combination of multiple types.

The fluorine atom-containing (meth)acrylate copolymer may contain polymerized units based on monomers other than the fluorine atom-containing (meth)acrylate. As other monomers, monomers having radically polymerizable unsaturated bonds are preferred.

Other monomers include vinyl chloride, stearyl (meth)acrylate, ethylene, vinyl acetate, vinyl fluoride, halogenated vinylstyrene, α-methylstyrene, p-methylstyrene, (meth)acrylic acid, (meth) Acrylic acid alkyl ester, polyoxyalkylene (meth)acrylate, (meth)acrylamide, diacetone (meth)acrylamide, N-methylol (meth)acrylamide, vinyl alkyl ether, halogenated alkyl vinyl ether, vinyl alkyl ketone, butadiene, isoprene, chloroprene , glycidyl (meth)acrylate, aziridinyl (meth)acrylate, benzyl (meth)acrylate, 2-isocyanatoethyl (meth)acrylate, cyclohexyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, maleic anhydride, polysiloxane and (meth)acrylates having such a compound, N-vinylcarbazole, etc., and vinyl chloride and stearyl (meth)acrylate are particularly preferred.

The amount of the fluorine atom-containing (meth)acrylate in the monomer constituting the fluorine atom-containing (meth)acrylate copolymer is preferably 25% by mass or more, and is 50% by mass or more, based on the total mass of the monomer. is more preferable, and 75% by mass or more is even more preferable.

The production method of the olefin-based fluorinated polymer is not particularly limited, and for example, a known production method (polymerization method), reaction conditions, and the like can be arbitrarily selected. Examples of the polymerization method include bulk polymerization, suspension polymerization, emulsion polymerization, and solution polymerization. Moreover, as the polymerization reaction mechanism, for example, a radical polymerization reaction, a radiation polymerization reaction, a photopolymerization reaction, etc. can be selected, and an emulsion polymerization method using a radical polymerization reaction is particularly preferable.

When an emulsion polymerization method is used, a method of emulsifying a monomer, a surfactant, etc. in the presence of water, stirring, and polymerizing is preferred. It is also preferable to use an emulsifier such as a homogenizer to preliminarily emulsify the monomer, surfactant, water, etc., and then polymerize the emulsion with stirring.

As the polymerization initiator, various polymerization initiators such as organic acid peroxides, azo compounds, and persulfates are preferred. As the surfactant, various anionic, cationic, amphoteric or nonionic surfactants can be used.

On the other hand, non-olefinic fluorinated polymers are polymers other than polymers of monomers having ethylenic double bonds. Examples of non-olefin-based fluorinated polymers include polyurethanes, and for example, reaction products of low-molecular-weight fluorides containing functional groups reactive with isocyanate groups and polyisocyanates can be used. can.

The low-molecular-weight fluoride containing a functional group reactive with an isocyanate group includes a compound having a fluorine atom-containing group and a hydroxyl group, a compound having a fluorine atom-containing group and an amino group, or a fluorine atom-containing group and a carboxy group. Preferred are compounds having

As the polyisocyanate compound, a polyisocyanate compound having two or more isocyanate groups is preferable. Examples include lysine diisocyanate, triphenylmethane triisocyanate, and multimers thereof, nurate modified products, burette modified products, and the like.

In addition to a low-molecular-weight fluoride containing a functional group reactive with isocyanate, the polyurethane further contains a compound containing a functional group reactive with an isocyanate group and not containing a fluorine atom-containing group. It may be a compound reacted with a compound. Examples of the compound containing a functional group reactive with isocyanate and not containing a fluorine atom-containing group include alcohols, amines, carboxylic acids, and the like.

Examples of the polyurethane include those described in JP-A-59-157166.

It is preferable to use a fluorinated polymer so that the water-containing liquid cosmetic does not pass through the elastic mesh when not in use, while the water-containing liquid cosmetic passes through the elastic mesh more reliably when in use.

As water repellents containing fluorine compounds, commercially available products can also be used, for example, Asahi Guard series (manufactured by Asahi Glass Co., Ltd.), Unidyne series (manufactured by Daikin Industries, Ltd.) and the like. It is not limited. A water repellent agent containing a fluorine compound may be used alone, or a plurality of water repellent agents each containing a different kind of fluorine compound may be used in combination.

The silicone is not particularly limited, and polydialkylsiloxanes such as polydimethylsiloxane, polyalkylarylsiloxanes such as polymethylphenylsiloxane, organohydrogenpolysiloxanes such as methylhydrogenpolysiloxane, and the like can be used. Although it is possible, it is preferable to have a functional group that can react with the functional group of the material constituting the elastic mesh, such as an amino group, a hydroxyl group, a carboxyl group, a mercapto group, an epoxy group, or the like. Amino-modified silicone, carbinol-modified silicone, diol-modified silicone, phenol-modified silicone, and carboxyl-modified silicone are more preferable.

As the amino-modified silicone, one having an amino group introduced to the side chain of the siloxane structure, one having an amino group introduced to the end of the siloxane structure, or a mixture thereof may be used. , diamines or partially blocked ones may be used. From the viewpoint of water repellency, the amino-modified silicone preferably has an amine equivalent of about 300 to 20,000 g/mol, more preferably 1,000 to 7,000 g/mol. Commercially available products can be selected and used as such amino-modified silicone. For example, WACKER FINISH WR301, WR1100, WR1200, WR1300 and WR1600 manufactured by Asahi Kasei Wacker Silicone Co., Ltd., and KF-867, KF-869 and KF-8004 manufactured by Shin-Etsu Chemical Co., Ltd. can be used.

The carbinol-modified silicone may be one in which a hydroxyl group is introduced into the side chain of the siloxane structure, one in which a hydroxyl group is introduced into the end of the siloxane structure, or a mixture thereof. Commercially available products can be selected and used as such carbinol-modified silicones. For example, X-22-4039, X-22-4015, X-22-170BX, X-22-170DX, KF-6000, KF-6001, KF-6002, KF-6003, etc. manufactured by Shin-Etsu Chemical Co., Ltd. can be done.

As the diol-modified silicone, one having a diol group introduced to the side chain of the siloxane structure, one having a diol group introduced to the end of the siloxane structure, or a mixture thereof may be used. Such diol-modified silicones can be used by selecting commercially available products. For example, X-22-176DX, X-22-176F, X-22-176GX-A manufactured by Shin-Etsu Chemical Co., Ltd. can be used.

As the phenol-modified silicone, one having a siloxane structure with a phenolic hydroxyl group introduced into the side chain, one having a siloxane structure with a phenolic hydroxyl group introduced into the end thereof, or a mixture thereof may be used. Commercially available products can be selected and used as such phenol-modified silicones. For example, KF-2201 manufactured by Shin-Etsu Chemical Co., Ltd. can be used.

As the carboxyl-modified silicone, one in which a carboxyl group is introduced to the side chain of the siloxane structure, one in which a carboxyl group is introduced to the end of the siloxane structure, or a mixture thereof may be used. Such carboxyl-modified silicones can be used by selecting commercially available products. For example, X-22-3701E and X-22-162C manufactured by Shin-Etsu Chemical Co., Ltd. can be used.

As the non-fluorinated hydrocarbon, those having a long-chain alkyl group are preferable, and those having a functional group capable of reacting with the functional group of the material constituting the elastic mesh are preferable. Examples include fatty acid esters, sorbitan fatty acid esters, etc. Specifically, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan distearate, sorbitan tristearate, sorbitan monooleate, Sorbitan trioleate and the like, various sorbitan derivatives disclosed in WO2014/190905, alkyl citrates, fatty acid esters such as pentaerythritol derivatives, and the like can be used. Among them, sorbitan tristearate and tristearyl citrate are preferably used from the viewpoint of water repellency.

The type of water repellent treatment is not particularly limited. For example, a method of immersing the elastic mesh in a water repellent solution and then drying it, a method of applying a water repellent solution to the elastic mesh and drying it, It can be carried out by a method of spraying a solution of a water repellent agent on an elastic mesh and then drying it.

The solvent for the water repellent solution is not particularly limited as long as it can dissolve the water repellent, but an organic solvent is preferred, and a hydrophobic organic solvent is preferred. As hydrophobic organic solvents, for example, organic compounds having linear or cyclic hydrocarbon chains can be used. Particularly from an industrial point of view, the hydrophobic organic solvent is preferably a petroleum-based hydrocarbon solvent, more preferably a low-boiling petroleum-based hydrocarbon solvent having a boiling point of 130° C. or less. The hydrophobic organic solvent may contain various substituents within a range that does not significantly reduce the hydrophobicity of the hydrocarbon structure. For example, part of the hydrocarbon chain may be substituted with a fluorine atom, a silicon atom, or the like. , may contain small amounts of ether oxygen atoms.

When the stretchable mesh is made of fibers, it is preferable that each fiber constituting the stretchable mesh is water repellent. For example, when the stretchable mesh is made of synthetic fibers, it is preferable to apply a water-repellent treatment to each synthetic fiber that constitutes the stretchable mesh, and then use the water-repellent synthetic fibers to manufacture the stretchable mesh. .

The amount of the water repellent agent attached to the elastic mesh is not particularly limited, but is, for example, 1.1 g/m ² to 6.0 g/m ² , preferably 1.2 g/m ² to 5.0 g/m 2 . 0 g/m ² , more preferably 1.3 g/m ² to 4.5 g/m ² .

The liquid cosmetic contained in the liquid cosmetic container of the present invention is a water-containing liquid cosmetic containing at least water. The water-containing liquid cosmetic may be liquid at room temperature (25°C).

The amount of water contained in the water-containing liquid cosmetic is preferably 20% by mass or more, more preferably 30% by mass or more, and even more preferably 40% by mass or more, based on the total mass of the water-containing liquid cosmetic. The amount of water contained in the water-containing liquid cosmetic is preferably 80% by mass or less, more preferably 70% by mass or less, and even more preferably 60% by mass or less, based on the total mass of the water-containing liquid cosmetic. The amount of water contained in the water-containing liquid cosmetic is preferably 20-80% by mass, more preferably 30-70% by mass, and even more preferably 40-60% by mass, based on the total mass of the water-containing liquid cosmetic.

The water-containing liquid cosmetic may further contain hydrophilic components such as C _1-4 monoalcohols such as ethanol and isopropanol; glycols such as ethylene glycol, propylene glycol and butylene glycol; and polyhydric alcohols such as glycerin.

Water-containing liquid cosmetics can also contain components such as various oils, surfactants, thickeners, UV shielding agents, and colorants. Examples of coloring agents include inorganic pigments such as titanium dioxide, organic dyes such as Red 227, and the like.

The form of the water-containing liquid cosmetic is not particularly limited, and may be any form such as solution, dispersion, emulsion, and the like. The emulsion may be either oil-in-water type or water-in-oil type, but the form of oil-in-water emulsion is preferred.

The water-containing liquid cosmetic may have a low viscosity. For example, the viscosity of the water-containing liquid cosmetic can be in the range of 1000 to 20000 centipoise (1 to 20 Pa s), preferably 1000 to 10000 centipoise (1 to 10 Pa s), and 1000 to 7000 centipoise (1 to 10 Pa s). 7 Pa·s) is more preferred, and 1000 to 3000 centipoise (1 to 3 Pa·s) is even more preferred. Viscosity can be measured at room temperature (25° C.), for example, using a Brookfield viscometer using spindle #4 at 30 rpm for 1 minute.

The water-containing liquid cosmetic may or may not contain a thixotropic agent. Thixotropic agents include, for example, nonionic block copolymers containing at least one hydrophilic portion and at least one hydrophobic portion. The complex elastic modulus G ^* (Pa) of the water-containing liquid cosmetic is preferably less than 300Pa, more preferably less than 200Pa, and even more preferably less than 100Pa.

The water-containing liquid cosmetic is not particularly limited as long as it is a liquid water-containing cosmetic, and examples thereof include liquid foundation and liquid cheek. Liquid foundations are preferred.

The liquid cosmetic container of the present invention may have a lid, and the lid preferably covers an elastic mesh. This makes it possible to more reliably prevent the water-containing liquid cosmetic from leaking from the container body.

The liquid cosmetic container of the present invention may have an applicator such as a puff or a brush between the lid and the elastic mesh. This makes it possible to easily perform the application work when using the water-containing liquid cosmetic.

FIG. 1 is an exploded perspective view showing an embodiment of the liquid cosmetic container of the present invention. The liquid cosmetic container A shown in FIG. A material 4, an elastic mesh 5, an applicator 6 and a sealing member 7 are provided.

In the example shown in FIG. 1, the container body 1 is a substantially cylindrical dish-shaped member with one end closed to form a bottom and the other end open, and contains a water-containing liquid cosmetic 4. It has a housing portion for housing and an opening that opens in the direction of the middle frame 3 .

The middle frame 3 is a substantially cylindrical member having an upper end opening and a lower end opening, and is housed in the housing portion of the container body 1 through the opening of the container body 1 . Specifically, the size of the outer diameter of the middle frame 3 is equal to or smaller than the size of the inner diameter of the housing portion of the container body 1, and the upper edge of the middle frame 3 is arranged so as to overlap the upper edge of the opening of the container body 1. The middle frame 3 is inserted from the opening of the container body 1 toward the inside of the container until the lower surface of the flange abuts the upper edge of the opening of the container body 1, and the flange is protruded. By arranging the middle frame 3 over the upper edge, the middle frame 3 is fixed at a predetermined depth position in the housing portion of the container body 1, and the portion below the middle frame 3 in the housing portion of the container body 1 is filled with water-containing liquid makeup. Accommodates charge 4. Therefore, in the example shown in FIG. 1 , the inner frame 3 is accommodated in the accommodating portion of the container body 1 together with the water-containing liquid cosmetic 4 . The upper end opening of the middle frame 3 is present corresponding to the opening of the container body 1, so that the water-containing liquid cosmetic 4 can be taken out from the outside.

A stretchable mesh 5 is stretched at an arbitrary portion between the upper end opening and the lower end opening of the middle frame 3 . A stretchable mesh 5 may be stretched over the lower end opening of the middle frame 3 . The stretchable mesh 5 covers the opening of the middle frame 3 and also covers the opening of the container body 1 .

The stretchable mesh 5 can be made of the material already described, and is subjected to the water-repellent treatment already described.

The stretchable mesh 5 is deformable at least downward (toward the bottom) of the housing portion of the container body 1 . The deformability of the stretchable mesh 5 can be enhanced by forming the stretchable mesh 5 from a highly flexible material.

The upper end opening of the middle frame 3 is sealed with a sealing member 7 . This isolates the elastic mesh 5 from the outside. The sealing member 7 is not particularly limited as long as it can seal the upper end opening of the middle frame 3. For example, a metal laminate film having a peelable adhesive layer can be used.

The applicator 6 is housed in the space between the seal member 7 and the lid 2 . Although the form of the applicator 6 is not particularly limited, for example, a puff or the like can be used.

The lid body 2 is also a substantially cylindrical member, and can be engaged with the container body 1 in a state in which the applicator 6 is accommodated. By engaging the lid 2 with the container body 1 , the lid 2 can cover the stretchable mesh 5 . Further, by engaging the lid 2 with the container body 1, the opening of the container body 1 can be closed.

Thus, the liquid cosmetic container A can accommodate and hold the water-containing liquid cosmetic 4 .

When using the water-containing liquid cosmetic 4, the lid 2 is removed from the container body 1, the seal member 7 is peeled off and the stretchable mesh 5 is exposed to the outside, and then the applicator 6 is pressed against the stretchable mesh 5 with a finger or the like. As a result, the stretchable mesh 5 is deformed downward (toward the bottom) of the housing portion of the container body 1, and an appropriate amount of the water-containing liquid cosmetic 4 can be floated out from the mesh of the stretchable mesh 5. As shown in FIG. The water-containing liquid cosmetic 4 protruded on the surface of the stretchable mesh 5 adheres to the applicator 6. - 特許庁

Therefore, by pressing the applicator 6 against the stretchable mesh 5 and wiping it, the water-containing liquid cosmetic 4 can be adhered to the applicator 6, taken out from the container body 1, and used for cosmetic treatment of the skin. An appropriate amount of the water-containing liquid cosmetic 4 adheres to the applicator 6 due to the action of the stretchable mesh 5, so that it is possible to prevent the water-containing liquid cosmetic 4 from being applied to the skin more than necessary.

In the liquid cosmetic container of the present invention, the liquid cosmetic does not leak from the elastic mesh regardless of the orientation of the container. Therefore, the liquid cosmetic container of the present invention is easy to transport and store.

The liquid cosmetic container of the present invention can be suitably used as a container for liquid makeup cosmetics, and can be used as a container for liquid foundation, liquid cheek, and the like. In particular, the liquid cosmetic container of the present invention can be used more preferably as a container for liquid foundation.

Reference Signs List 1 container body 2 lid 3 middle frame 4 water-containing liquid cosmetic 5 elastic mesh 6 applicator 7 sealing member

Claims (10)

A container body having an opening and a housing, and
comprising a deformable stretchable mesh covering the opening;
The storage unit stores a water-containing liquid cosmetic,
The elastic mesh is made of fibers and has a mesh,
The elastic mesh is water-repellent treated ,
A liquid cosmetic container, wherein at least part of the water-containing liquid cosmetic passes through the mesh of the stretchable mesh by deforming the stretchable mesh by pressing the stretchable mesh against the water-containing liquid cosmetic . 2. The liquid cosmetic container according to claim 1, wherein said water-repellent treatment is surface treatment with a fluorine compound. 3. The liquid cosmetic container according to claim 2, wherein said fluorine compound is a fluorinated polymer. 4. The liquid cosmetic container according to any one of claims 1 to 3, wherein said stretchable mesh is made of synthetic fibers. 5. A liquid cosmetic container according to claim 4, wherein said synthetic fibers are bicomponent fibers. 6. A liquid cosmetic container according to claim 5, wherein said bicomponent fibers are composed of polyethylene terephthalate and polytrimethylene terephthalate. 7. The liquid cosmetic container according to any one of claims 4 to 6, wherein each synthetic fiber constituting said stretchable mesh is water repellent. It also has a lid,
8. The liquid cosmetic container according to any one of claims 1 to 7, wherein said lid can cover said stretchable mesh. In addition, it is equipped with an applicator,
9. The liquid cosmetic container according to claim 8, wherein said applicator is present between said lid and said stretchable mesh. The liquid cosmetic container according to any one of claims 1 to 9, wherein the water-containing liquid cosmetic is a foundation.

Images