CN104602821B - The purposes of aerosol product and aerosol product - Google Patents

The purposes of aerosol product and aerosol product Download PDF

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Publication number
CN104602821B
CN104602821B CN201480002167.XA CN201480002167A CN104602821B CN 104602821 B CN104602821 B CN 104602821B CN 201480002167 A CN201480002167 A CN 201480002167A CN 104602821 B CN104602821 B CN 104602821B
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CN
China
Prior art keywords
valve rod
content
spout
aerosol product
mass
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CN201480002167.XA
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Chinese (zh)
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CN104602821A (en
Inventor
稻田康辉
乃田树
乃田一树
竹花哲
松村敏郎
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Mandom Corp
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Mandom Corp
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Publication date
Priority claimed from JP2013238547A external-priority patent/JP6243708B2/en
Application filed by Mandom Corp filed Critical Mandom Corp
Publication of CN104602821A publication Critical patent/CN104602821A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/753—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by details or accessories associated with outlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • B65D83/48—Lift valves, e.g. operated by push action

Abstract

The present invention is a kind of aerosol product (100), and it has：Container body (A), it stores content；Valve, it has housing (21) and valve rod (22), housing (21) is arranged on container body (A) top, and the content for being filled in container body (A) is flowed into the housing from ostium, valve rod (22) is protrusively provided from housing (21) top, and is upwardly-directed exerted a force by force application component；And shower nozzle (1), it is configured in the top of valve rod (22), wherein, content is made up of propellant and stoste, stoste contains 15~60 mass % metal-oxide powder, shower nozzle (1) has the spout of more than 6 for being used for spraying content, valve rod (22) has the valve rod throttle orifice for being used for the internal flow path importing content thing to valve rod (22), and the ratio between the total opening area of the spout of more than 6 and the total opening area of valve rod throttle orifice are 1~80.By the structure, the particle diameter of the drop ejected can be controlled, can suppress to disperse.

Description

The purposes of aerosol product and aerosol product
Technical field
The present invention relates to the purposes of aerosol product and aerosol product.
Background technology
In the past, it was widely used coated on the sun-proof sun care preparations of skin.It is known as such sun care preparations There are the various formulations such as creams, emulsion, gel, aerosol spray.Wherein, skin, usability are coated on well so based on easy Viewpoint, used the aerosol type sun care preparations for the type being coated as aerosol spray (for example, referring to patent Document 1).
In such sun care preparations, as ultraviolet scattering diluent, aoxidized mostly containing metals such as zinc oxide, titanium oxide Thing.In recent years, higher sun-proof result (ultraviolet protection effect) is required to sun care preparations, for example, according to by International standardization The defined determination method of mechanism (ISO) setting, it is desirable to which UVAPF values are more than 16 " PA++++ " based article.Therefore, in order to obtain Higher sun-proof result, the amount of the ultraviolet scattering diluent in cosmetics have increased trend.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2010-120871 publications
The content of the invention
Problems to be solved by the invention
But there is the sun care preparations of aerosol spray type the sun care preparations sprayed when in use easily to disperse The problem of such.Asked as follows it is also known that can especially be produced in the case of the sun care preparations containing a large amount of ultraviolet scattering diluents Topic：In the sun care preparations that people's suction is dispersed, easily choked and coughed.
The present invention be in view of the situation and complete, there is provided the purposes of aerosol product and aerosol product so that make When the content of aerosol spray sprays, suppress dispersing for content.
The means used to solve the problem
The aerosol product of the present invention has：Container body, it stores content；Valve, it has housing and valve rod, institute State housing and be arranged on the top of the container body, and be filled in the content of the container body from ostium stream Enter into the housing, the valve rod is protrusively provided from the top of the housing, and is upwardly-directed exerted a force by force application component；With And shower nozzle, it is configured in the top of the valve rod, sprays the content by pressing the shower nozzle, and its feature exists In stoste of the content by propellant and containing powder is formed, and the powder is using metal oxide as principal component, the original The amount of the powder in liquid is the mass % of 15 mass %~60, and the shower nozzle, which has, to be used to make what the content sprayed The spout of more than 6, the valve rod have valve rod throttle orifice, and the valve rod throttle orifice is used to the content being directed into the valve rod The ratio between internal flow path, the total opening area of the total opening area of the spout of described more than 6 and the valve rod throttle orifice (spout Total opening area/valve rod throttle orifice total opening area) be 1~80.
Preferably, the aperture area of the spout is respectively 0.05mm2~1.0mm2。
Moreover it is preferred that the metal oxide is zinc oxide and/or titanium oxide.
Moreover it is preferred that the aerosol product of the present invention is sun care preparations.
In addition, the present invention is purposes of the aerosol product as sun care preparations, the aerosol product has：Container master Body, it stores content；Valve, it has housing and a valve rod, and the housing is arranged on the top of the container body, and by The content for being filled in the container body is flowed into the housing from ostium, and the valve rod is upper from the housing Portion is protrusively provided, and is upwardly-directed exerted a force by force application component；And shower nozzle, it is configured in the top of the valve rod, passed through The shower nozzle is pressed spray the content, stoste of the content by propellant and containing powder is formed, the powder For body using metal oxide as principal component, the amount of the powder in the stoste is the mass of 15 mass %~60 %, described Shower nozzle has the spout of more than 6 for being used for spraying the content, and the valve rod has valve rod throttle orifice, valve rod throttling Hole is used to for the content to be directed into the internal flow path of the valve rod, the total opening area of the spout of described more than 6 with it is described The ratio between total opening area of valve rod throttle orifice (total opening area of the total opening area of spout/valve rod throttle orifice) is 1~80.
Invention effect
The aerosol product of the present invention will spray the bar of the spout quantity of the spout of content and the aperture area of the spout Part is limited in particular range.Thus, in the aerosol product of the present invention, the content ejected as drop can be controlled Drop particle diameter, suppress to disperse.And then the suction of content dispersed can be thus prevented, caused by preventing suction Cough.Especially, in the case where the content of aerosol product includes the powders such as a large amount of ultraviolet scattering diluents, above-mentioned cough is prevented Only effect is more notable.
Brief description of the drawings
Fig. 1 is the sectional view for illustrating the structure of the aerosol product of the present invention.
Fig. 2 is the sectional view on the valve periphery of the aerosol product of the present invention.
Fig. 3 is the figure of the shower nozzle of the aerosol product of the present invention, and (a) is front view, and (b) is A-A sectional views.
Fig. 4 is the figure of the nozzle of the aerosol product of the present invention, and (a) is front view, and (b) is B-B sectional views.
Fig. 5 is the B-B sectional views of the nozzle of the 2nd embodiment of the aerosol product of the present invention.
Fig. 6 is the figure of the nozzle of the 3rd embodiment of the aerosol product of the present invention, and (a) is front view, and (b) is that C-C is cutd open View, (c) are stereograms.
Fig. 7 is the figure of the nozzle of the 4th embodiment of the aerosol product of the present invention, and (a) is front view, and (b) is that D-D is cutd open View, (c) are stereograms.
Fig. 8 is the stereogram of the shower nozzle of the aerosol product of the present invention, and (a) is the solid in the case that spout is 6 holes Figure, (b) are the stereograms in the case that spout is 12 holes, and (c) is the stereogram in the case that spout is 28 holes.
Fig. 9 is the figure for illustrating the aperture area of the spout with step difference on depth direction, and (a) is the spout Front view, (b) are the E-E sectional views of the spout.
Embodiment
Hereinafter, referring to the drawings, the aerosol product of the present invention is illustrated.
Fig. 1 is the sectional view for illustrating the structure of the aerosol product of the present invention, and Fig. 2 is the aerosol product of the present invention Valve periphery sectional view.
The aerosol product (100) of the present invention is configured to container body A, blowoff (B) and is incorporated in container master Content in body A is required constituent.
[content]
Content is accommodated with container body A.The above thing is made up of the stoste containing powder and propellant.On Above-mentioned stoste and above-mentioned propellant, can be that a part for propellant is dissolved in stoste and mixes and deposited with uniform state completely Or propellant do not dissolve in stoste, both exist with uneven state.
Fig. 1, which is shown, is accommodated with one of content in container.Generally, the above thing is separated into container body A Liquid phase C and gas phase D and exist.Gas phase D is made up of the gas componant of propellant.In addition, liquid phase C is only made up of stoste, or by spraying The liquid component and stoste for penetrating agent are formed.In addition, liquid phase C contains the powder (individual) as the composition in stoste.
As above-mentioned propellant, it is not particularly limited, can enumerates：The gas such as air, nitrogen, carbon dioxide, nitric oxide Body (particularly preferred compressed gas)；Liquefied petroleum gas (LPG：Liquefied Petroleum Gas), dimethyl ether (DME： Dimethyl ether), isopentane, the liquid gas such as fluorocarbon etc..On above-mentioned propellant, a kind can be used only, Two or more can be used.In addition, for example, it is also possible to be that liquid gas is used only, using only compressed gas, or use simultaneously Liquid gas and compressed gas.
As above-mentioned liquid gas, wherein, based on the viewpoint of jet power, environmental protection and productivity ratio, preferably LPG, DME, particularly, LPG can control cooling performance, jet performance using the ratio of propane or butane, thus be more highly preferred to.Make For above-mentioned LPG, it is not particularly limited, but is preferably containing 0.1~50 mass % (mass percent) (more preferably 1~20 matter Measure %) propane and 50~99.9 mass % (more preferably 80~99 mass %) butane LPG.
On the vapour pressure as the liquid gas that propellant uses at 20 DEG C, improved from further to as coating pair From the viewpoint of the adhesive rate of the skin of elephant, preferably below 0.45MPa (such as 0.1~0.45MPa), more preferably 0.15MPa~0.25MPa.By making above-mentioned vapour pressure be below 0.45MPa, thus, the liquid gas ejected from container exists With being not easy to gasify before skin contact, thus liquid gas, improves content to the attached of skin with gasifying after skin contact Rate, suppresses to disperse, further improves ultraviolet protection effect of aerosol product and other effects, thus is preferable.
In the case where using the mixed gas of compressed gas or compressed gas and liquid gas as propellant, based on energy Viewpoint to the end enough is used as product, product initial internal pressure is preferably adjusted to 0.6MPa~0.8MPa at 35 DEG C, more It is preferably regulated as 0.6MPa~0.7MPa.Said products initial internal pressure is more than 0.6MPa at 35 DEG C, is easily maintained well Spray regime, thus be preferable.
The amount of stoste in the above thing is not particularly limited, and relative to 100 mass % content, is preferably The mass % of 5 mass %~99.5.In addition, content of the amount of the propellant in the above thing relative to 100 mass % The mass % of preferably 0.5 mass %~95.In addition, the above thing is only made up of stoste and propellant.That is, the original in content The total amount of the amount of liquid and the amount of propellant is 100 mass %.
Wherein, using only liquid gas as propellant in the case of, stoste and propellant in the above thing Amount is preferably set to as follows.The amount of stoste in the above thing is preferably the mass of 5 mass %~60 %, more excellent Elect the mass % of 5 mass %~40 as, the mass % of more preferably 5 mass %~20.In addition, the propellant in the above thing Amount relative to 100 mass % content be preferably the mass % of 40 mass %~95, more preferably 60 mass %~95 The mass % of quality %, more preferably 80 mass %~95.By the way that stoste is set to below 60 mass %, (i.e. propellant is 40 More than quality %) so that the internal pressure of aerosol product uprises, and usability is more preferable.In the situation for making propellant be less than 40 mass % Under, internal pressure is relatively low sometimes, and the spray impetus is weaker, and usability declines.In addition, in feelings of the amount of stoste less than 5 mass % Under condition, stoste amount is less, and the stoste amount that skin is attached in 1 injection declines, thus usability declines sometimes.In addition, Sometimes the stoste amount in aerosol product is less, and product life shortens, and practicality is deteriorated.
Above-mentioned stoste contains the powder using metal oxide as principal component.In addition, " principal component " is not particularly limited, example Such as, the amount of the metal oxide in powder relative to 100 mass % powder for more than 30 mass % (i.e. 30 mass %~ 100 mass %).The amount of metal oxide in powder is preferably more than 50 mass % more preferably 70 mass %~100 Quality %.
As above-mentioned metal oxide, it is not particularly limited, but preferably zinc oxide, titanium oxide, their mixture.
Above-mentioned powder for example can be the powder that is only made up of metal oxide or by metal oxide and metal The powder that compound beyond oxide is formed.For example, it is also possible to it is the powder obtained using polymeric membrane coated metal oxide Body.
Above-mentioned powder is not particularly limited, for example, ultraviolet scattering diluent.Above-mentioned powder can use sales item, as pin Product are sold, such as can be enumerated：Shin-Etsu Chemial Co., Ltd's system, trade name " SPD-Z5 "；BASF Amada Co., Ltd.s system, commodity Name " Z-COTE "；Showa Denko K. K's system, trade name " Maxlight ZS-064 "；Croda Amada Co., Ltd.s system, business The name of an article " SOLAVEIL XT-300 "；Big Nippon Kasei Chemical Company system, trade name " Cosmeserve WP-UF (V) "；DSM is sought Support Amada Co., Ltd.'s system, trade name " PARSOL TX "；Titan Industrial Co., Ltd system, trade name " LS-600ZS "；Titan Industrial Co., Ltd's system, trade name " TD3312 ".
The amount of above-mentioned powder in above-mentioned stoste is the matter of 15 mass %~60 relative to 100 mass % above-mentioned stoste Measure % (more than 15 mass % and below 60 mass %), preferably 18 mass %~45 mass %, more preferably 20 mass %~ 40 mass %.By making the amount of above-mentioned powder be more than 15 mass %, such as improve in the aerosol using the present invention Product is as the ultraviolet protection effect in the case of sun care preparations.In addition, above-mentioned powder amount more than 60 matter When measuring %, powder amount is excessive, is deposited in sedimentation in the powder of container bottom, turns into the state for being pierced into dip-tube 3 described later, Blocking is produced, declines the usability of aerosol product.
Above-mentioned stoste can also contain the composition beyond above-mentioned powder.As the composition beyond above-mentioned powder, without special Limit, such as can enumerate：Water；Ethanol；Spices；Cinnamate, Uvinul A Plus, t- butyl methoxies The ultra-violet absorbers such as base dibenzoyl methane, diethylhexyl triazine methoxy；Cyclopentasiloxane, phosphoric acid hydrogen dimethylamino base silica The silicone oil such as alkane, octyl methyl polysiloxanes, dimethyl silicone polymer；Isopropyl myristate, ethylhexyl palmitate, 2- ethyls The fatty acid esters such as caproic acid spermaceti；1,3-BDO, DPG, 1,2- pentanediols, 1,2- hexylene glycols, 1,2- ethohexadiols, 1,2- The polyalcohols such as decanediol, glycerine；The preservatives such as phenoxetol, Sensiva SC50, methyl hydroxybenzoate；Menthol, peppermint glycerine The cooling agents such as ether, camphor, peppermint oil；The anti-inflammatory agents such as dipotassium glycyrrhizinate, glycyrrhizic acid tristearin；Chinese herbaceous peony, moutan bark, loquat, aloe Deng plant extracts；The tackifying macromolecules such as carboxyl vinyl polymer, hydroxyethyl cellulose, xanthans；Tocopherol, dibutyl The antioxidants such as hydroxy-methylbenzene；The whitening agents such as ursin, ascorbic acid；Beyond the above-mentioned powder such as silica, talcum, nylon powder Powder etc..
The composition that it is liquid under room temperature (23 DEG C) that above-mentioned stoste, which can also contain, and freezing point is more than -15 DEG C.On The amount for the composition that above-mentioned is liquid under room temperature (23 DEG C) and freezing point is more than -15 DEG C, based on further improving this hair The viewpoint of the ejection of bright aerosol product, relative to 100 mass % above-mentioned stoste, preferably smaller than 80 mass % are more excellent Choosing is less than 60 mass %.It is interior in the case where propellant uses liquid gas if above-mentioned amount is more than 80 mass % Tolerant solidified sometimes near spout and decline ejection.It is at room temperature liquid and freezing point is -15 DEG C as above-mentioned Composition above, for example, water, butyl myristate, decyl tetradecanol etc. can be enumerated.Especially, in above-mentioned stoste, water Amount is preferably smaller than 80 mass %, more preferably less than 60 mass %.
[blowoff]
As depicted in figs. 1 and 2, blowoff B (below, is also simply referred to as valve sometimes by shower nozzle 1, aerosol container with valve 2 2), obturating cup 4, dip-tube 3 etc. are formed, and valve 2 is made up of housing 21 and valve rod 22 etc..
Specifically, the housing 21 of valve 2 is embedded with the boss portion 41 for the obturating cup 4 that container body A top has Deng being provided with shower nozzle 1 in the upper end of valve 2.In addition, dip-tube 3 extends downward from the bottom of valve 2, under dip-tube 3 Portion is immersed in container body A liquid phase C.
Valve 2 has：Housing 21, it is arranged on the top of aerosol container main body；And valve rod 22, it is from the top of housing 21 It is protrusively provided, and is upwardly-directed exerted a force by force application component 23.In addition, the inner space of housing 21, which has, supplies valve rod base end part The superjacent air space 211 of 22a insertions and the underlying space 212 connected with the inner space of dip-tube 3, superjacent air space 211 and lower section Space 212 connects.It is inhaled into from the liquid phase C that dip-tube 3 picks up by underlying space 212 in housing 21.That is, the structure of housing 21 Content in container body A is filled in as being flowed into from ostium.It is used in addition, valve rod 22 at least has to the valve rod 22 Internal flow path importing content thing valve rod throttle orifice 221.
In addition it is possible to use helical spring etc. is used as force application component 23.
Illustrated by the ejection operation to the content in aerosol container, valve 2 is further carried out specifically It is bright.
In fig. 2, left-half shows that the state (when in addition to when spraying), right half part show to make when not in use The state of used time (during ejection).
When not in use, valve rod 22 upwardly-directed exerts a force (left-half of reference picture 2) by force application component 23.Thus, valve The bottom of bar 22 turns into state, the i.e. valve 2 being in close contact via caulking gum (24) with the top of housing 21 and is in the state closed.
And then in content to be sprayed, overcome the active force in the upper direction of force application component 23 and make valve rod 22 to moving down It is dynamic, thus open valve 2 (right half part of reference picture 2).Specifically, the shower nozzle 1 that has by pressing on valve rod 22 is pressed Valve rod 22.When by lower valve rod 22, bent below caulking gum (24), valve rod throttle orifice 221 opens wide.And then in container body A The liquid phase C of filling interface is in downward direction pressed by gas phase (D), and content is picked up from dip-tube 3.Picked up from dip-tube 3 Content pass sequentially through underlying space 212, superjacent air space 211, valve rod throttle orifice 221, valve rod 22 internal flow path 222 and from figure The spout 111 of shower nozzle 1 shown in 3 grades sprays.
Fig. 3 is the figure of one of the shower nozzle 1 of the aerosol product of the present invention, and (a) is front view, and (b) is A-A sectional views.
Shower nozzle 1 is configured in the top of valve rod 22.Shower nozzle 1 has：For spraying the nozzle 11 of content to outside；And For the valve stem engagement portion 12 engaged with valve rod 22.Nozzle 11 has nozzle interior stream 112 and spout 111, passes through from below The internal flow path 222 of valve rod 22 and the content that flows out pass sequentially through stream (13), nozzle interior stream 112 and from spout 111 Spray.
In addition, in the present invention, shower nozzle 1 need not engage in a contact fashion with valve rod 22 all the time.As long as shower nozzle 1 is installed For can be by lower valve rod 22 in pressing, such as it be configured to, be non-contact with valve rod 22 when shower nozzle 1 does not press State, pressing when, contacted with valve rod 22 and by lower valve rod.
Fig. 4 is the figure of one of the nozzle of the aerosol product of the present invention, and (a) is front view, and (b) is B-B sectional views.
In the present invention, nozzle 11 has the spout 111 of more than 6.On the quantity of the spout in the present invention, based on suppression Content processed disperses and content is formed viewpoint as spraying, the quantity of spout for 6 with On, preferably 6~28, more preferably 12~20.By the way that the quantity of spout is set into more than 6, the impetus of injection becomes scattered, Therefore, it is possible to suppress dispersing for content., can be in a wide range of equably in addition, by making the quantity of spout be more than 6 Content is set to form spraying, so as to improve the uniform coating that stoste is directed to the skin as coating object.In the quantity of spout In the case of less than 5, the injection impetus becomes strong, easily produces and disperses.When the content to disperse enters internal from oral cavity, turn into The reason for being coughed caused by " asthma of choking ".In addition, Fig. 4 shows a case that spout 111 being set to 6 holes, but for example can also It is 12 holes, 28 holes or other hole counts shown in (b), (c) such as Fig. 8.
The total opening area of spout 111 is provided by the ratio between total opening area with valve rod throttle orifice 221.In the present invention In, the ratio between the total opening area of the spout 111 of more than 6 and the total opening area of valve rod throttle orifice 221 (total opening surface of spout The total opening area of product/valve rod throttle orifice) it is 1~80, preferably 3~45, more preferably 5~30.Above-mentioned ratio (spout The total opening area of total opening area/valve rod throttle orifice) be more than 1 in the case of, the drop of the content ejected is enough Size, therefore, reduction of dispersing is not susceptible to asthma of choking, also, stoste improves to the adhesive rate of the skin as coating object. The raising of the adhesive rate of stoste also brings the raising of ultraviolet protection effect.On the other hand, 1 situation is less than in above-mentioned ratio Under, the drop of the content ejected is smaller, thus is difficult to obtain these effects.In addition, when above-mentioned ratio is more than 80, injection The impetus die down, thus spray usability decline.In addition, press down in aperture area and the above-mentioned ratio of increase of increase spout During the impetus processed, turn into the state that stoste is only attached to the core of injection, uniform coating declines.
Valve rod throttle orifice 221 can be 1, can also be formed with multiple.
In addition, in this manual, " aperture area " refers to the aperture area at most narrow place.Fig. 9 is to be used to illustrate entering The figure of " aperture area " of the spout 111 with step difference on deep direction, (a) is the front view of the spout 111, and (b) is the spray The E-E sectional views of mouth 111.For example, in the spout 111 shown in Fig. 9, the minimum part (F in Fig. 9 (b)) of radius is spout Most narrow place, by the area in the region (G) shown in putting be " aperture area " in Fig. 9 (a).In addition, " total opening surface of spout Product " refers to the total of the aperture area of whole spouts.In addition, " total opening area of valve rod throttle orifice " refers to whole valve rod throttlings The aperture area in hole adds up to.
The total opening area of spout 111 is not particularly limited, and makes based on the enough injection impetus of holding and interior on a large scale Content forms viewpoint, preferably 0.3mm as spraying2~15mm2, more preferably 1.5mm2~10mm2.Less than 0.3mm2 In the case of, decline emitted dose sometimes.More than 15mm2In the case of, the impetus that injection be present dies down and is difficult to reach The situation of skin.
The aperture area (aperture area of i.e. every 1 spout) of each spout 111 is not particularly limited, but is based on from each spout Big drop is sprayed and such viewpoint that suppresses to disperse in a wide range of interior be formed uniformly, be respectively preferably 0.05mm2~ 1.0mm2, more preferably 0.1mm2~0.6mm2.Less than 0.05mm2In the case of, drop is too small, and content disperses, therefore has Asthma of choking may be caused.More than 1.0mm2In the case of, spray a large amount of contents from the spout sometimes and hinder from other holes The ejection of progress.
As shown in figure 4, nozzle 11 can have what is protruded towards nozzle interior stream 112 in the region of the inner side of spout 111 Boss (113).By easily to each spout guiding content, thus being preferable with boss (113).
But as the side sectional view of the nozzle of the 2nd embodiment of the aerosol product of the present invention is shown in Fig. 5, Can there is no boss (113).
Fig. 6 is the figure of the nozzle of the 3rd embodiment of the aerosol product of the present invention, and (a) is front view, and (b) is that C-C is cutd open View, (c) are stereograms.
By valve rod 22 and the content of outflow by nozzle interior stream 112, and then by making nozzle interior stream 112 The guide portion 116 connected with each spout 111, sprayed from each spout 111.
The interval of each spout 111 can suitably determine.
Fig. 7 is the figure of the nozzle of the 4th embodiment of the aerosol product of the present invention, and (a) is front view, and (b) is that D-D is cutd open View, (c) are stereograms.
The nozzle 11 has the 1st convex portion 114 and the 2nd convex portion 115, and is formed as the 1st convex portion 114 and is higher than the 2nd convex portion 115. The immediate vicinity of spout 111 is formed on the circumference of the 1st convex portion 114 and the 2nd convex portion 115.Thus, nozzle interior stream is passed through 112nd, guide portion 116 and the inwall collision of a part and the spout 111 of content flowed out and to spraying on the outside of radial direction, because This, can be to wider ejection content.
Referring again to Fig. 2.
There is housing 21 in Fig. 2 gas phase to be taken into opening (VT) 213 in side, and there is liquid phase to be taken into opening (UT) in bottom surface 214.The gas phase (D) of the upward importing content thing of side space 211 of opening (VT) 213 is taken into from gas phase, opening (UT) is taken into from liquid phase The liquid phase C of the 214 downward importing content things of side space 212.The gas phase (D) that is imported into and liquid phase C are from the side for being arranged on valve rod 22 The valve rod throttle orifice 221 in face is directed in internal flow path 222, and is above drawn onto in shower nozzle 1.In addition, in the present invention, housing Opening (VT) can also be taken into without gas phase.
Gas phase is taken into the total opening area of opening (VT) 213 and liquid phase be taken into opening (UT) 214 total opening area ratio Rate (VT/UT) is preferably less than 0.5 (i.e. 0~0.5), and more preferably 0~0.3.By being set to the scope, the mist of ejection can be made In gas phase and liquid phase ratio it is more appropriate.When above-mentioned ratio (VT/UT) is more than 0.5, the gas ratio in the mist of ejection Too high, therefore, stoste declines to the adhesive rate of skin sometimes, and ultraviolet protection effect declines.
The total opening area that liquid phase is taken into opening (UT) 214 is not particularly limited, but preferably 0.5mm2More than, more preferably For 0.75mm2~4.0mm2.The scope is set to by the total opening area that liquid phase is taken into opening (UT) 214, can be sprayed enough The liquid phase of amount, ultraviolet protection effect is further improved, thus be preferred.
[physical property]
The emitted dose of the aerosol product of the present invention is not particularly limited, but preferably 0.3g/ seconds~3.0g/ seconds, more excellent Elect 0.5g/ seconds~2.0g/ seconds as.
[purposes]
The aerosol product of the present invention is to make to form spraying containing the content using metal oxide as the powder of principal component Aerosol product.Wherein, preferably sun care preparations.It is interior in the aerosol product of the invention as sun care preparations The powder using metal oxide as principal component in tolerant plays function as ultraviolet scattering diluent, therefore, by spraying simultaneously Content is coated, obtains ultraviolet protection effect.On the aerosol product of the present invention, it is not particularly limited, preferably behaving makes People's aerosol product.The applicable position of aerosol product of the present invention is not particularly limited, for example, can enumerate arm, Foot, chest, back, leg, belly, face, head etc..
On the aerosol product of the present invention, for example, making spout pass through towards the direction at the position for wishing to defend ultraviolet Used by lower nozzle.
The aerosol product of the present invention can also have such as body odor inhibition, antiperspirant except ultraviolet protection effect Effect, moistening effect, the effect of subsidiary fragrance, cooling/creeping chill effect, bactericidal effect etc..Wherein, preferably also have from by moisturizing The effect selected in the group that effect, the effect of subsidiary fragrance and cooling/creeping chill effect are formed.The present invention aerosol product except Ultraviolet protection effect, can further only have it is above-mentioned in any one effect, it is possible to have multiple effects in above-mentioned. In addition, in this manual, " cosmetics " are not limited to " cosmetics " specified in the Medicine Act of Japan, for example, it is also possible to be Any one in cosmetics, medical portion's exterior-applied article, pharmaceuticals, commodity.
The present invention aerosol product have by using metal oxide as principal component powder as neccessary composition content Thing, therefore, metal oxide play function as ultraviolet scattering diluent, play ultraviolet protection effect.In addition, the present invention The shower nozzle of aerosol product has the spout of more than 6, therefore, it is possible in a wide range of interior equably ejection (spraying) the above Thing so that the uniform coating of content improves.Furthermore it is possible to the impetus for suppressing injection is too strong and makes dispersing for content, because This, can prevent the generation breathed heavily and coughed of being choked as caused by the content to disperse.In addition, by making the spout of above-mentioned more than 6 The ratio between total opening area and the total opening area of above-mentioned valve rod throttle orifice (total opening area of spout/valve rod throttle orifice it is total Aperture area) it is 1~80, content can be made directly to be sprayed with bigger drop.Therefore, following excellent effect can be played： Dispersing for content can be suppressed, it is therefore prevented that the generation of choked as caused by the content to disperse asthma and cough.
[embodiment]
Hereinafter, by showing embodiments of the invention, effect of the present invention is made definitely.It is however not limited to following reality Apply example.
(experiment 1：The ratio of the total opening area of the total opening area and valve rod throttle orifice of spout quantity and spout)
Recorded with 1~table of table 2 spout quantity, nozzle diameter, spout total opening area, valve rod orifice diameter and 60g contents are filled in the aerosol container of the invention of valve rod throttle orifice total opening area, produce aerosol product.
As content, following material has been used：By the stoste of following compositions and the injection using liquefied petroleum gas (LPG) Agent is mixed into, stoste：LPG (mass ratio) is 10：90.
＜ stostes form ＞
And then according to following metewands, ejection state when spraying content is evaluated, and in 1~table of table 2 Show.Ejection state (impetus, the state of mist) when " ◎ ", "○" and "×" in table are observation each aerosol products of injection is simultaneously The result evaluated according to following benchmark.In addition, " ratio " that is shown in the lump with the result of the experiment is that (spout is always opened The total opening area of open area/valve rod throttle orifice) value.
＜ metewands ＞
◎：Excellent ejection state
○：Being capable of workable ejection state
×：Bad ejection state
According to the result of 1~table of table 2, in the case where spout quantity is more than 6, as (total opening surface of spout The total opening area of product/valve rod throttle orifice) ratio that shows when being 1~80, turns into good ejection state.It is less than in the ratio In the case of 1, turn into the bad ejection state that content disperses, therefore, it is possible to the reason for breathing heavily and turning into cough of easily choking. On the other hand, in the case where the ratio is more than 80, injection is weaker and turns into bad ejection state.
Embodiment 1~17, comparative example 1~5
With the spout quantity described in 3~table of table 5, nozzle diameter, area of injection orifice, valve rod throttling hole count, valve rod section Aerosol container (the capacity of the diameter of flowing hole, valve rod throttle hole area：Filling content (quality in 294mL)：100g), produce Aerosol product.In addition, the housing in above-mentioned aerosol container is taken into opening (VT) without gas phase, liquid phase is taken into opening (UT) The aperture area of (number is 1) is 3.80mm2。
Content uses the material being made up of the stoste described in 3~table of table 5 and propellant.In addition, LPG and DME difference Use following material.In addition, LPG and DME use following material respectively.
LPG：99 mass % butane, 1 mass % propane, little Chi KCCs system, the vapour pressure at 20 DEG C 0.15MPa
DME：Little Chi KCCs system, the vapour pressure 0.41MPa at 20 DEG C
(evaluation)
For each aerosol product obtained by embodiment and comparative example, following evaluation is carried out.Evaluation result is documented in In 3~table of table 5.
(1) do not cough
Evaluated by 10 estimators.Each estimator is carried out 1 second with 15cm jet length to the upper arm parts exposed Each aerosol product injection.Now, according to the number of the estimator of cough, with following benchmark implementation evaluations.
＜ metewands ＞
◎ (excellent)：The estimator that coughs is below 1 people
× (bad)：The estimator that coughs is more than 2 people
(2) mean particle diameter
Using analyzer, each aerosol product is sprayed from the position for leaving 15cm, uses particle size distribution device The mean particle diameter for the drop that (Malvern Instruments Ltd. systems, implementor name " Spraytec ") measure ejects. In addition, mean particle diameter is the calculated value of the sphere diameter in theory obtained according to equivalency tables area.
(3) adhesive rate
By long 380mm × wide 330mm cleaning wiping cloth (Nippon Paper CRECIA Co. Ltd. systems, trade name " キ system タ オ Le (model：61000) ") it is attached on the plate of setting perpendicular to the ground, from the position for leaving 15cm, sprays 5 seconds each aerosol systems Product.The mass change amount being located at before and after the injection of each aerosol product is " emitted dose (g) ", if the mass change amount of cleaning wiping cloth is To " adhesion amount (g) " of cleaning wiping cloth.It is " former in the content of above-mentioned " emitted dose ", " adhesion amount " and each aerosol product Liquor ratio rate (quality %) ", adhesive rate (quality %) is calculated using following calculating formulas.
Adhesive rate (quality %)=adhesion amount (g)/(emitted dose (g) × stoste ratio (quality %)/100) × 100
(4) state is sprayed
The ejection state (impetus, the state of mist) during each aerosol product is sprayed in observation, according to following benchmark, implements to comment Valency.
＜ metewands ＞
◎：Excellent ejection state
○：The ejection state that can be used
×：Bad ejection state
[table 3]
[table 4]
[table 5]
It can be seen from the above results, in the aerosol product (embodiment 1~17) of the present invention, the amount of powder ( It is total amount in the case of containing zinc oxide and titanium oxide) it is 15~60 mass %, spout quantity is more than 6, moreover, spray Mouthful total opening area and valve rod throttle orifice total opening area ratio (total opening area of spout/valve rod throttle orifice it is total Aperture area) it is 1~80, thereby, it is possible to obtain good quality.Specifically, in the case of above-mentioned condition, obtained not Cough and the good such result of spray regime.In addition, mean particle diameter now is larger, it is taken as that can also suppress Disperse.In addition, in the case of the condition, adhesive rate is also high, can expect excellent ultraviolet protection effect.
Test example 1~2, comparative test example
Table 6 shows the amount and ultraviolet protection for representing the metal-oxide powder (ultraviolet scattering diluent) in stoste The test example and comparative test example of the relation of effect (spf value and PA values).Spf value is surveyed according to the method on the basis of ISO24444 Fixed, UVAPF values (PA values) are according to the method measure on the basis of ISO24442.
[table 6]
Hereinafter, the Formulation Example of the aerosol product of the present invention is shown.In addition, as container body and blowoff, can To use the device illustrated in above-described embodiment.
Formulation Example 1
(stoste)
(propellant)
LPG (the mass % of 1 mass % propane/99 butane, the vapour pressure 0.15MPa at 20 DEG C) 100 mass %
Stoste/propellant (mass ratio)=20/80
Formulation Example 2
(stoste)
(propellant)
The mass % of nitrogen 100
Stoste/propellant (mass ratio)=99.3/0.7
Formulation Example 3
(stoste)
(Spray penetrates drug)
The mass % of DME (the vapour pressure 0.41MPa at 20 DEG C) 79
LPG (the mass % of 1 mass % propane/99 butane, the vapour pressure 0.15MPa at 20 DEG C) 19.8 mass %
The mass % of nitrogen 1.2
Stoste/propellant (mass ratio)=85/15
Industrial applicability
Present invention is preferably applicable to the aerosol product in the form of vaporific ejection content.Furthermore it is preferred that applied to work For the aerosol product of sun care preparations.
Label declaration
1 shower nozzle
11 nozzles
111 spouts
112 nozzle interior streams
113 boss
114 the 1st convex portions
115 the 2nd convex portions
116 guide portions
12 valve stem engagement portions
2 valves
21 housings
211 superjacent air spaces
212 underlying spaces
213 gas phases are taken into opening (VT)
214 liquid phases are taken into opening (UT)
22 valve rods
221 valve rod throttle orifices
222 internal flow paths
23 force application components
24 caulking gums
3 dip-tubes
4 obturating cups
41 boss portions
100 aerosol products
A container bodies
B blowoffs
C liquid phases
D gas phases

Claims (4)

1. a kind of aerosol product, it has：
Container body, it stores content；
Valve, it has housing and valve rod, and the housing is arranged on the top of the container body, is filled in the container The content of main body is flowed into the housing from ostium, and the valve rod is protrusively provided from the top of the housing, And upwardly-directed exerted a force by force application component；And
Shower nozzle, it is configured in the top of the valve rod,
Spray the content by pressing the shower nozzle,
Characterized in that,
Stoste of the content by propellant and containing powder is formed,
The powder using metal oxide as principal component,
The amount of the powder in the stoste is the mass % of 15 mass %~60,
The shower nozzle has the spout of more than 6 for being used for spraying the content,
The valve rod has valve rod throttle orifice, and the valve rod throttle orifice is used for the inside stream that the content is directed into the valve rod Road,
The ratio between the total opening area of the spout of described more than 6 and the total opening area of the valve rod throttle orifice are 5~30,
The aperture area of spout is respectively 0.1mm2~0.6mm2。
2. aerosol product according to claim 1, wherein,
The metal oxide is zinc oxide and/or titanium oxide.
3. aerosol product according to claim 1 or 2, wherein,
The aerosol product is sun care preparations.
4. a kind of purposes of aerosol product, the aerosol product use as sun care preparations,
The aerosol product has：
Container body, it stores content；
Valve, it has housing and valve rod, and the housing is arranged on the top of the container body, is filled in the container The content of main body is flowed into the housing from ostium, and the valve rod is protrusively provided from the top of the housing, And upwardly-directed exerted a force by force application component；And
Shower nozzle, it is configured in the top of the valve rod,
Spray the content by pressing the shower nozzle,
Stoste of the content by propellant and containing powder is formed,
The powder using metal oxide as principal component,
The amount of the powder in the stoste is the mass % of 15 mass %~60,
The shower nozzle has the spout of more than 6 for being used for spraying the content,
The valve rod has valve rod throttle orifice, and the valve rod throttle orifice is used for the inside stream that the content is directed into the valve rod Road,
The ratio between the total opening area of the spout of described more than 6 and the total opening area of the valve rod throttle orifice are 5~30,
The aperture area of spout is respectively 0.1mm2~0.6mm2。
CN201480002167.XA 2013-03-25 2014-03-19 The purposes of aerosol product and aerosol product Active CN104602821B (en)

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JP2013238548 2013-11-19
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WO2014156854A1 (en) 2014-10-02

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