JP2005231644A - Double structure aerosol can container of hair dyeing agent, and interior pouch accommodated therein - Google Patents

Double structure aerosol can container of hair dyeing agent, and interior pouch accommodated therein Download PDF

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JP2005231644A
JP2005231644A JP2004040616A JP2004040616A JP2005231644A JP 2005231644 A JP2005231644 A JP 2005231644A JP 2004040616 A JP2004040616 A JP 2004040616A JP 2004040616 A JP2004040616 A JP 2004040616A JP 2005231644 A JP2005231644 A JP 2005231644A
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agent
aerosol
pouch
interior
interior pouch
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JP4332444B2 (en
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Hiroshi Hasegawa
宏 長谷川
Madoka Yamaguchi
円 山口
Kazunori Hoshino
一紀 星野
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Toyo Aerosol Industry Co Ltd
Toyo Seikan Group Holdings Ltd
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Toyo Aerosol Industry Co Ltd
Toyo Seikan Kaisha Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers 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
    • B65D83/68Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
    • B65D83/682Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D19/00Devices for washing the hair or the scalp; Similar devices for colouring the hair
    • A45D19/02Hand-actuated implements, e.g. hand-actuated spray heads
    • A45D19/026Hand-actuated implements, e.g. hand-actuated spray heads having brush or comb applicators
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D19/00Devices for washing the hair or the scalp; Similar devices for colouring the hair
    • A45D19/02Hand-actuated implements, e.g. hand-actuated spray heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers 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
    • B65D83/60Contents and propellant separated
    • B65D83/62Contents and propellant separated by membrane, bag, or the like
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00Details not otherwise provided for in A45D
    • A45D2200/05Details of containers
    • A45D2200/054Means for supplying liquid to the outlet of the container
    • A45D2200/057Spray nozzles; Generating atomised liquid
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00Details not otherwise provided for in A45D
    • A45D2200/05Details of containers
    • A45D2200/058Means for mixing different substances prior to application

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Wrappers (AREA)
  • Laminated Bodies (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an aerosol can container of two-agent type oxidizing hair dyeing agent which can simultaneously discharge and mix a first agent with a second agent at a predetermined ratio, and be easily manufactured at low cost, and omit troubles of mixing the first agent with the second agent and using the mixture. <P>SOLUTION: In the aerosol can container, a first interior pouch with a first agent of the hair dyeing agent filling it and a second interior pouch with a second agent of the hair dyeing agent filling it are accommodated in one aerosol can container, and two kinds of filling agents can be simultaneously discharged at a predetermined ratio. At least one of the interior pouches is formed of a lamination material consisting of a metal foil and a thermoplastic resin-made inner layer. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、染毛剤における二重構造エアゾール缶容器及び当エアゾール缶容器に収納される内装パウチに関し、具体的には、酸化染毛剤の第一剤を充填した第一内装パウチ及び第二剤を充填した第二内装パウチを一つの缶に収納して、二種の充填物を同時に吐出させうる二重構造エアゾール缶容器及びその内装パウチに係わるものである。   The present invention relates to a double structure aerosol can container in a hair dye and an interior pouch accommodated in the aerosol can container, and specifically, a first interior pouch and a second interior pouch filled with a first agent of an oxidative hair dye. The present invention relates to a double-structured aerosol can container in which a second interior pouch filled with an agent can be accommodated in one can and two kinds of filling can be discharged simultaneously, and the interior pouch.

染毛剤は、以前では中高年者の白髪染めに専ら使用されてきたが、最近では、社会生活におけるファッション性への強い志向から、毛染めが男女を問わずに若年者に広く普及して日々汎用される習慣となって、染毛剤が非常に重用されるようになり、その容器に対する需要と改良の要望も特に高くなっている。   In the past, hair dyes were used exclusively for middle-aged and elderly people, but recently, due to their strong preference for fashion in social life, hair dyes are widely used by young people regardless of gender, and are widely used every day. As a result, hair dyes have become very heavily used, and the demand for the containers and the demand for improvements are particularly high.

染毛剤としては、染毛性や染色の保持性などから酸化染毛剤が使用されているが、空気中の酸素を酸化剤として利用する一剤式のものは使用が簡便であっても酸化力が弱く染毛性が乏しい問題点がある。このため酸化染毛剤としては二剤式のものが主に使用され、この酸化染毛剤は、強アルカリ性成分を主剤とする染毛剤の第一剤と酸化性の酸性成分を主剤とする染毛剤の第二剤とからなり、染毛剤の第一剤の容器と染毛剤の第二剤の容器とを別々の容器として組み合わせて販売され、消費者が使用時に第一剤と第二剤とを混合して染毛する形態となっている(特許文献1を参照)。   Oxidative hair dyes are used as hair dyes because of their hair dyeing and dyeing retention properties, etc. Even if the one-component type using oxygen in the air as an oxidant is easy to use There is a problem that the oxidation power is weak and the hair coloring property is poor. For this reason, two-component type hair dyes are mainly used as oxidative hair dyes. These oxidative hair dyes are mainly composed of a first agent of a hair dye mainly composed of a strong alkaline component and an oxidizing acidic component. It consists of the second agent of the hair dye and is sold in combination with the container of the first agent of the hair dye and the container of the second agent of the hair dye as separate containers. It has a form in which hair is mixed with the second agent (see Patent Document 1).

しかし、消費者が使用時に第一剤と第二剤とを別途用意したトレーなどにおいて混合し、クリーム状やゼリー状の染毛剤として染毛する形態とならざるをえないので、正確な量比の混合が困難で大まかな量比の混合比で使用されるため所定の染色力が得られ難く染色むらも生じやすく、染毛剤の混合時に染毛剤により手指や衣服を汚すこともあり、なにより消費者にとって第一剤と第二剤とを混合して使用することが煩わしい、などの多くの問題点を有している。   However, since the consumer must mix the first agent and the second agent in a separate tray, etc. during use, the hair must be dyed as a cream or jelly hair dye. It is difficult to mix ratios and is used at a rough quantitative mixing ratio, so it is difficult to obtain the desired dyeing power and uneven dyeing easily occurs, and the fingers and clothes may be soiled by the hair dye when mixing the hair dye. In particular, it has many problems such as it is troublesome for the consumer to mix the first agent and the second agent.

このため、内容物を充填した容器をそれぞれ二本のエアゾール缶に収納して一体とし、第一剤と第二剤とを圧力ガスにより同時に吐出混合する染毛剤容器が開発され(特許文献2を参照)、製品化されて市販されており消費者の利便性から見て優れた製品であって、染毛剤により手指や衣服を汚す惧れや、消費者にとって第一剤と第二剤とを混合して使用する煩わしさが解消され、ファッション志向に合った手指によるワンタッチ染毛が可能となったが、二剤の両液が一定の量比に吐出しているとはいえず、また、エアゾール缶の二缶を使用しているため高コストにならざるをえないという欠点をなお有している。   For this reason, a hair dye container has been developed in which containers filled with contents are respectively housed in two aerosol cans, and the first agent and the second agent are simultaneously discharged and mixed by pressure gas (Patent Document 2). The product has been commercialized and marketed and is excellent for the convenience of consumers, and there is a risk that hands and clothes will be stained with hair dyes. The one-touch hair dyeing with the fingers that match the fashion orientation became possible, but it can not be said that the two liquids of the two agents are discharged at a constant ratio, Moreover, since two cans of aerosol cans are used, there is still a drawback that the cost must be high.

一方、二種の液体を充填した二種の袋やパウチなどの内装容器(以下、「内装パウチ」という。)を1本のエアゾール缶に収納して噴霧するエアゾール型容器は、以前から知られている(例えば、特許文献3を参照)。   On the other hand, an aerosol-type container in which two types of interior containers such as bags and pouches filled with two kinds of liquids (hereinafter referred to as “interior pouch”) are stored in a single aerosol can and sprayed has been known. (For example, refer to Patent Document 3).

しかし、酸化染毛剤においては、第一剤は染料とアンモニアを主要成分とする強アルカリ性成分からなり、第一剤の成分が保存中に空気中の酸素と接触すると、第一剤が化学的に変質し染毛機能も低下し、酸素との接触を続けると染毛不能となってしまうので、高度の酸素遮蔽性(バリア性)が要求され、内容物成分の内装パウチ外への揮散による消失を阻止する必要もあり、内装パウチ本体において高いガス遮蔽性機能を備えることが必須となる。また、染毛剤の強いアルカリ性成分による化学的な厳しい影響を耐える、内装パウチにおける層材料の腐食や層間剥離(デラミネーション:略称デラミ)の抵抗性も実用上重要であるが、かかる耐性を備えた内装パウチは知られていなかった。
第二剤は過酸化水素を主要成分とする酸化性の酸性成分からなり、酸化剤の過酸化水素の分解に由来して発生した酸素による内部膨張圧への抵抗性あるいは発生酸素揮散性が要求され、内容物の内装パウチ外への揮散による消失を阻止することも必須であり、中程度のガス透過性とガス遮蔽性の相反する性質を有する必要性も内在している。
However, in oxidative hair dyes, the first agent consists of a strong alkaline component mainly composed of a dye and ammonia. When the components of the first agent come into contact with oxygen in the air during storage, the first agent is chemically The hair dyeing function is deteriorated and the hair dyeing function is lowered, and if it keeps in contact with oxygen, it becomes impossible to dye the hair. It is necessary to prevent disappearance, and it is essential to provide a high gas shielding function in the interior pouch body. In addition, the resistance of layer material corrosion and delamination (delamination: abbreviated as delamination) in interior pouches, which can withstand the severe chemical effects of strong alkaline components in hair dyes, is also practically important. There was no known interior pouch.
The second agent consists of an oxidizing acidic component that contains hydrogen peroxide as the main component, and requires resistance to internal expansion pressure or oxygen volatilization due to oxygen generated from the decomposition of the oxidizing agent hydrogen peroxide. In addition, it is essential to prevent the contents from disappearing due to volatilization outside the interior pouch, and there is an inherent need to have the opposite properties of medium gas permeability and gas shielding properties.

以上に記述したように、最近の日常のファッション志向により、非常に需要の高くなっている酸化染毛剤の容器においては、
1.酸化染毛剤の二剤式に由来する、一定比率量の吐出の困難性や、第一剤と第二剤とを混合して使用する煩わしさなどの問題点に対する簡易で安価な解決手法への要求などは、未だ実現されていない。
2.強アルカリ性成分からなる第一剤の内装パウチにおける、内装パウチ内へ侵入する酸素による染色機能の劣化を阻止するための高度の酸素遮蔽性と、内容物成分の内装パウチ外への揮散による消失を阻止するための高いガス遮蔽性機能を備えることが必須となり、また、染毛剤の強いアルカリ性成分による化学的な厳しい影響を耐える、内装パウチなどにおける層材料の腐食や層間剥離(デラミ)の抵抗性も重要である。さらに、酸化性の酸性成分からなる第二剤の内装パウチにおける、発生酸素による内部膨張圧への抵抗性あるいは発生酸素揮散性が要求され、内容物成分の内装パウチ外への揮散による消失を阻止することも必須であり、ガス透過性とガス遮蔽性の相反する性質を有する必要性も内在しているが、これらの要求や必要性などは充分には応えられてはいなかった。
As described above, in the case of oxidative hair dye containers, which are in high demand due to recent daily fashion orientation,
1. To a simple and inexpensive solution to problems such as the difficulty of discharging a fixed amount of a mixture derived from the two-part formula of oxidative hair dyes and the inconvenience of mixing and using the first and second agents This requirement has not been realized yet.
2. In the interior pouch of the first agent consisting of strong alkaline components, high oxygen shielding properties to prevent deterioration of the staining function due to oxygen entering the interior pouch, and disappearance of the contents components by volatilization outside the interior pouch It is essential to have a high gas-shielding function to prevent it, and resistance to corrosion and delamination of layer materials in interior pouches, etc. that can withstand the severe chemical effects of strong alkaline components of hair dyes Sex is also important. Furthermore, resistance to the internal expansion pressure due to the generated oxygen or volatilization of the generated oxygen is required in the interior pouch of the second agent composed of an oxidizing acidic component, and the disappearance of the content components due to volatilization outside the internal pouch is prevented. However, it is essential that the gas permeability and gas shielding properties are contradictory, but these requirements and necessity have not been sufficiently met.

特開2000−226036号公報(特許請求の範囲の請求項1,段落0001〜0003)JP 2000-226036 A (Claim 1, Claims 0001 to 0003 of Claims) 特開平10−85031号公報(要約,特許請求の範囲の請求項1及び2,図1)JP-A-10-85031 (Abstract, Claims 1 and 2, Claims 1) 実開昭47−11809号公報(実用新案登録請求の範囲,第1図)Japanese Utility Model Publication No. 47-11809 (Utility Model Registration Request, Fig. 1)

本願の発明は、1.従来の酸化染毛剤の二剤式に由来する、一定比率量での混合の困難性や第一剤と第二剤とを混合して使用する煩わしさなどの問題点に対する簡易で安価な解決手法への要求に応えること、2.二剤式の酸化染毛剤の容器において、第一剤の内装パウチ内へ侵入する酸素による第一剤の化学的な変質と染色機能の劣化を阻止するための高度の酸素遮蔽性と、内容物成分の内装パウチ外への揮散による消失を阻止するための高いガス遮蔽性機能及び染毛剤の強いアルカリ性成分による化学的な厳しい影響に耐える、層材料の腐食や層間剥離の抵抗性、さらには、3.第二剤の内装パウチにおける、発生酸素による内部膨張圧への抵抗性あるいは発生酸素のガス透過性、内容物成分の内装パウチ外への揮散阻止のためガス遮蔽性、などの要求や必要性に充分に応えることを、発明が解決すべき課題とするものである。   The invention of the present application is: Simple and inexpensive solution to problems such as the difficulty of mixing at a constant ratio and the trouble of mixing and using the first and second agents, derived from the conventional two-part formula of oxidative hair dyes 1. Respond to the demands for the method. In a two-component oxidative hair dye container, high oxygen shielding properties and contents to prevent chemical deterioration of the first agent and deterioration of the dyeing function due to oxygen entering the interior pouch of the first agent Corrosion of layer materials and resistance to delamination, withstands high gas shielding function to prevent disappearance due to volatilization of material components out of the interior pouch, and severe chemical effects of strong alkaline components of hair dye, Is 3. Responding to requirements and necessity of resistance to internal expansion pressure due to generated oxygen or gas permeability of generated oxygen, gas shielding to prevent volatilization of contents components outside the internal pouch, etc. It is a problem to be solved by the present invention to respond sufficiently.

本発明者らは、二剤式の酸化染毛剤用容器においては、二剤を同時にワンタッチで吐出混合できるところの、エアゾール缶タイプの容器の優秀性と利便性からして、その採用が本発明の課題の解決に不可欠であることを認識して、エアゾール缶における染毛剤の二剤の収納態様が基本的に重要であることを踏まえて、二剤を充填した各々の内装パウチを1本のエアゾール缶に収納して、併せて、多層材料の耐アルカリ性及び加圧下でのエアゾール缶内で発生する酸素移動の観点から、個々の内装パウチの材料を詳細に吟味して選択すれば、基本的に本願の発明の課題を解決できることを知見するに至り、後述する実施例と比較例におけるデータの検討を参酌して、本願の発明を創出することができた。   In the two-component type hair dye container, the present inventors have adopted this adoption because of the superiority and convenience of the aerosol can type container, where two agents can be discharged and mixed simultaneously with one touch. Recognizing that it is indispensable for solving the problems of the invention, it is basically important to store two hair dyes in an aerosol can. From the viewpoint of the alkali resistance of the multilayer material and the oxygen transfer generated in the aerosol can under pressure, the materials for the individual interior pouches will be carefully examined and selected. It came to know that the subject of the invention of this application can be solved fundamentally, and the invention of this application was able to be created in consideration of the examination of the data in the Example and comparative example which are mentioned later.

本願の発明の構成における基本的な特徴は、酸化染毛剤の第一剤および第二剤それぞれを充填した、各々のパウチなどの二種の内装パウチを1本のエアゾール缶に収納して、二重構造のエアゾール缶となし、二剤の一定の比率量の混合を行うことができ、かつ、簡易に安価にそのような酸化染毛剤エアゾール容器を製造できることである。
段落0005〜0007に前述したように、二種の液体を充填した二種の内装パウチを2本のエアゾール缶にそれぞれ収納して一体化した酸化染毛剤容器は既に提案されているが、酸化染毛剤の二剤を充填した二種の内装パウチを1本のエアゾール缶に収納した酸化染毛剤容器は未だ実用化されていない。その最大の理由は、特に第一剤に対して耐性のある内装パウチが知られていないことにある。
The basic feature in the configuration of the invention of the present application is that two types of interior pouches such as each pouch filled with the first and second parts of the oxidative hair dye are housed in one aerosol can, It is a double-structured aerosol can, and it is possible to mix a certain amount of the two agents, and to manufacture such an oxidative hair dye aerosol container easily and inexpensively.
As described above in paragraphs 0005 to 0007, an oxidation hair dye container in which two types of internal pouches filled with two types of liquids are respectively housed and integrated in two aerosol cans has been proposed. An oxidation hair dye container in which two types of interior pouches filled with two hair dyes are housed in one aerosol can has not yet been put into practical use. The biggest reason is that there is no known internal pouch that is particularly resistant to the first agent.

さらに、本願の発明のように、酸化染毛剤の第一剤および第二剤それぞれを充填した二種の内装パウチを1本のエアゾール缶に収納した場合には、酸化性の酸性成分からなる第二剤の内装パウチから発生する酸素がエアゾール缶内の加圧ガスに混じり、その酸素が同じエアゾール缶内の第一剤の内装パウチに侵入して第一剤の化学的な変質を生じ染色力も劣化させてしまうので、特に、第二剤における酸化剤の過酸化水素の分解に由来する発生酸素は化学活性の強い発生期の酸素を含みエアゾール缶の密閉系において第一剤中に侵入すると第一剤を強く変質してしまうので、第一剤又は第二剤の内装パウチに酸素遮蔽性の材料を使用する必要性が生じ、そのために金属箔などを使用した積層材料を採用すると、積層材料の腐食や層間剥離などの問題が生じてしまい、それ故に、酸化染毛剤の第一剤及び第二剤それぞれを充填した二種の内装パウチを1本のエアゾール缶に収納した商品の実用化が困難であったから、酸化染毛剤の二剤を充填した二種の内装パウチを1本のエアゾール缶に収納した酸化染毛剤容器は未だに実現できなかったと考えられる。   Furthermore, as in the invention of the present application, when two types of interior pouches filled with the first and second agents of the oxidative hair dye are housed in one aerosol can, they consist of an oxidizing acidic component. Oxygen generated from the internal pouch of the second agent is mixed with the pressurized gas in the aerosol can, and the oxygen enters the internal pouch of the first agent in the same aerosol can, causing chemical alteration of the first agent and dyeing. In particular, the generated oxygen derived from the decomposition of the oxidant hydrogen peroxide in the second agent contains nascent oxygen with strong chemical activity and enters the first agent in the closed system of the aerosol can. Since the first agent is strongly altered, it becomes necessary to use an oxygen shielding material for the interior pouch of the first agent or the second agent. Therefore, if a laminated material using a metal foil or the like is adopted, Material corrosion, delamination, etc. As a result, it was difficult to put into practical use a product in which two types of interior pouches filled with the first and second parts of the oxidative hair dye were stored in one aerosol can. It is considered that an oxidation hair dye container in which two types of interior pouches filled with two hair dyes are housed in one aerosol can has not been realized yet.

段落0011に前述したように、酸化染毛剤の特殊な二種の成分を充填する二種の内装パウチを1本のエアゾール容器に収納する場合の、これらの内装パウチの開発によって、当エアゾール型酸化染毛剤容器の本発明が実現できたのである。また、本願の発明においては、後述するように二剤のための種々の内装パウチの組み合わせを提案し、従来のエアゾール型容器からは別異の卓越した機能性と実用性及び効果が奏されるものである。
本願の発明においては、酸化染毛剤の第一剤及び第二剤それぞれを充填した二種の内装パウチを1本のエアゾール缶に収納する場合に、酸化性の酸性成分からなる第二剤の内装パウチから揮散する酸素がエアゾール缶内の加圧ガスに混じり、その酸素が同じエアゾール缶内の第一剤の内装パウチに侵入して第一剤の化学的な変質を生じ染色力も劣化させてしまうことを防止するために、第一剤及び/又は第二剤の内装パウチに金属箔などを使用した積層材料からなる酸素遮蔽性の内装パウチを採用し、さらに、酸化染毛剤の強アルカリ性成分や酸化性成分による、その内装パウチを構成する積層材料の腐食や層間剥離などの問題を、段落0016などに記述する特定の手法により阻止しているのである。
As described above in paragraph 0011, when two kinds of interior pouches filled with two kinds of special components of the oxidative hair dye are stored in one aerosol container, by the development of these interior pouches, this aerosol type The present invention of an oxidative hair dye container has been realized. Further, in the invention of the present application, as will be described later, various combinations of interior pouches for two agents are proposed, and the outstanding functionality, practicality and effects different from the conventional aerosol-type containers are exhibited. Is.
In the invention of the present application, when two types of interior pouches filled with the first and second agents of the oxidative hair dye are stored in one aerosol can, the second agent comprising an oxidizing acidic component Oxygen volatilized from the interior pouch mixes with the pressurized gas in the aerosol can, and the oxygen enters the interior pouch of the first agent in the same aerosol can, causing chemical alteration of the first agent and degrading the staining power. In order to prevent this, an oxygen shielding interior pouch made of a laminated material using a metal foil or the like is used for the interior pouch of the first agent and / or the second agent, and the strong alkaline property of the oxidative hair dye Problems such as corrosion and delamination of the laminated material constituting the interior pouch due to components and oxidizing components are prevented by a specific technique described in paragraph 0016 and the like.

本願の発明は、酸化染毛剤の第一剤及び第二剤それぞれを充填した二種の内装パウチを1本のエアゾール缶に収納することを第一の基本的特徴とし、酸化染毛剤の強アルカリ性成分や酸化性成分による、その積層材料の腐食や層間剥離などの問題を特定の材料と積層構造による内装パウチの採用により阻止していることを、第二の基本的な特徴としている。
本願の発明においては、上記の第一及び第二の基本的な特徴を併せて有し、また、第一剤および第二剤の内装パウチが1本のエアゾール缶に収納されているので、同一の加圧ガスにより加圧噴射されることにより、第一剤および第二剤の一定の比率量の混合を行うことができ、かつ、簡易に安価に酸化染毛剤エアゾール容器を製造できるという特徴も付加的に内在するのであるから、本願の発明の構成は本質的に従来の技術とは相違しそれから容易には予見し得ないものであって、二剤式の酸化染毛剤容器として顕著に際立つものである。
The invention of the present application has the first basic feature of storing two types of interior pouches filled with the first and second parts of the oxidative hair dye in one aerosol can. The second basic feature is that problems such as corrosion and delamination of the laminated material due to strong alkaline components and oxidizing components are prevented by adopting an interior pouch with a specific material and laminated structure.
In the invention of the present application, the first and second basic features are combined, and the internal pouch of the first agent and the second agent is housed in one aerosol can, so that the same By being pressurized and injected with a pressurized gas, the first agent and the second agent can be mixed in a certain ratio amount, and an oxidative hair dye aerosol container can be easily and inexpensively manufactured. In addition, the structure of the invention of the present application is essentially different from the prior art and cannot be easily foreseen, and is remarkable as a two-component oxidative hair dye container. It stands out.

本願の発明は、具体的には、酸化染毛剤の第一剤および第二剤を充填した各々の容器を内装パウチとなして、内装パウチが金属箔と熱可塑性樹脂内面層からなる積層材料あるいは熱可塑性樹脂材料から構成され、内装パウチの少なくともいずれかが金属箔と熱可塑性樹脂内面層からなる積層材料から構成されることを特徴としている。そして、金属箔と熱可塑性樹脂内面層からなる積層材料が、金属箔層と酸変性熱可塑性接着樹脂層及びヒートシール性熱可塑性樹脂層から構成されてもよい。
また、金属箔と熱可塑性樹脂内面層からなる積層材料がポリオレフィン系熱可塑性接着樹脂により積層接合され、積層接合が金属箔にポリオレフィン系熱可塑性接着樹脂を押出して熱可塑性樹脂内面層を積層することにより行われ、あるいは積層接合が金属箔にポリオレフィン系熱可塑性接着樹脂の粉末を付着させ当粉末を加熱溶融させて熱可塑性樹脂内面層を積層することにより行われることなどをも特徴とする。
このような構成の採用により、酸化染毛剤の第一剤および第二剤を充填した二種の内装パウチを1本のエアゾール缶に収納する場合に、酸化性の酸性成分からなる第二剤の内装パウチから発生する酸素がエアゾール缶内の加圧ガスに混じり、その酸素が同じエアゾール缶内の第一剤の内装パウチに侵入して第一剤を化学的に変質したり染色力を劣化させてしまうことを防止することができ、併せて、第一剤又は第二剤の内装パウチに金属箔などを使用した積層材料からなる酸素遮蔽性の材料を採用して、酸化染毛剤の強アルカリ性成分や酸化性成分による、その積層材料の腐食や層間剥離などの問題が生じることを阻止しているのである。
Specifically, the invention of the present application is a laminated material in which each container filled with the first and second parts of the oxidative hair dye is used as an interior pouch, and the interior pouch is composed of a metal foil and an inner surface layer of a thermoplastic resin. Or it is comprised from the thermoplastic resin material, and at least any one of an interior pouch is comprised from the laminated material which consists of metal foil and a thermoplastic resin inner surface layer, It is characterized by the above-mentioned. And the laminated material which consists of metal foil and a thermoplastic resin inner surface layer may be comprised from a metal foil layer, an acid-modified thermoplastic adhesive resin layer, and a heat-sealable thermoplastic resin layer.
Also, a laminate material composed of a metal foil and an inner surface layer of a thermoplastic resin is laminated and bonded by a polyolefin-based thermoplastic adhesive resin, and the laminate bonding is performed by extruding the polyolefin-based thermoplastic adhesive resin to the metal foil and laminating the inner surface layer of the thermoplastic resin. Or the lamination joining is performed by attaching a polyolefin thermoplastic adhesive resin powder to a metal foil and heating and melting the powder to laminate the inner surface layer of the thermoplastic resin.
By adopting such a configuration, when the two types of interior pouches filled with the first and second oxidative hair dye agents are housed in one aerosol can, the second agent comprising an oxidizing acidic component Oxygen generated from the interior pouch of the product mixes with the pressurized gas in the aerosol can, and the oxygen enters the interior pouch of the first agent in the same aerosol can to chemically alter the first agent or deteriorate the staining power. In addition, an oxygen-shielding material made of a laminated material using a metal foil or the like is used for the interior pouch of the first agent or the second agent, This prevents problems such as corrosion and delamination of the laminated material caused by strong alkaline components and oxidizing components.

以上において、発明の課題を解決するための手段として、本願の発明の基本的な構成に沿って、本願の発明を概観的に記述した。
ここで、本願の発明全体を俯瞰すると、本願の発明は、次の発明単位群から構成されるものであって、[1]及び[4]の発明を基本発明とし、それ以外の発明は、基本発明を具体化ないしは実施態様化するものである。(なお、発明群全体をまとめて「本発明」という。)
In the above, as a means for solving the problems of the invention, the invention of the present application has been generally described along the basic configuration of the invention of the present application.
Here, when overviewing the invention of the present application, the invention of the present application is composed of the following invention unit groups, and the inventions of [1] and [4] are the basic inventions, and other inventions are: The basic invention is embodied or embodied. (The invention group as a whole is collectively referred to as “the present invention”.)

[1]染毛剤の第一剤を充填した第一内装パウチ及び染毛剤の第二剤を充填した第二内装パウチを一つのエアゾール缶に収納して、二種の充填物を同時に吐出させうることを特徴とする、染毛剤における二重構造エアゾール缶容器。
[2]エアゾール缶の加圧ガスとして窒素ガス、二酸化炭素ガス、亜酸化チッソガス、アルゴンガスの一種または複数種のガスが封入され、二種の充填物を一定の比率量にて吐出させうることを特徴とする、[1]においての二重構造エアゾール缶容器。
[3]第一剤用の第一内装パウチをステムに設けた第一通路に接続可能とし、第二剤用の第二内装パウチをステムに設けた第二通路に接続可能とし、第一剤用の第一通路と第二剤用の第二通路とは接触しないように設けられて、ステムの先端まで第一剤と第二剤を混合することなく分離状態で吐出することができることを特徴とする、[1]又は[2]における二重構造エアゾール缶容器。
[4][1]における二重構造エアゾール缶容器における第一及び第二の内装パウチであって、各々の内装パウチが金属箔と熱可塑性樹脂からなる積層材料あるいは熱可塑性樹脂から構成され、内装パウチの少なくともいずれかが金属箔と熱可塑性樹脂からなる積層材料から構成されることを特徴とする、染毛剤においての二重構造エアゾール缶容器に収納される内装パウチ。
[5]金属箔と熱可塑性樹脂からなる積層材料が、酸変性熱可塑性接着樹脂を含有する層を介して積層接合されていることを特徴とする、[4]においての二重構造エアゾール缶容器における内装パウチ。
[6]積層接合が金属箔に酸変性熱可塑性接着樹脂を含有する組成物を押出して熱可塑性樹脂内面層を積層接合することにより行われ、あるいは積層接合が金属箔に酸変性熱可塑性接着樹脂を含有する組成物の粉末を付着させ当粉末を加熱溶融させて熱可塑性樹脂内面層を積層結合することを特徴とする、[5]においての二重構造エアゾール缶容器における内装パウチを形成するシート材料の製造方法。
[7]染毛剤が酸化染毛剤であって、第一内装パウチに強アルカリ性成分を含有する第一剤が収容され、第二内装パウチに過酸化水素を含有する酸性成分からなる第二剤が収容されることを特徴とする、[4]においての二重構造エアゾール缶容器における内装パウチ。
[8]金属箔がアルミ箔からなり、酸変性熱可塑性接着樹脂層が無水マレイン酸変性ポリオレフィン系樹脂からなることを特徴とする、[5]においての二重構造エアゾール缶容器における内装パウチ。
[9]過酸化水素を含有する酸性成分からなる第二剤を充填する第二内装パウチが、アルミ箔とポリエチレンテレフタレート樹脂層をポリウレタン系接着剤にて積層した積層材料により形成されることを特徴とする、[7]においての二重構造エアゾール缶容器における第二内装パウチ。
[10]内装パウチが、オレフィンと環状オレフィンとの非晶質ないしは低結晶性共重合体からなる第一層と酸素遮蔽性熱可塑性樹脂からなる第二層を有す積層材料から形成されることを特徴とする、[1]においての二重構造エアゾール缶容器における内装パウチ。
[1] The first interior pouch filled with the first agent of the hair dye and the second interior pouch filled with the second agent of the hair dye are housed in one aerosol can, and two kinds of fillers are discharged simultaneously. A double-structure aerosol can container in a hair dye, characterized in that it can be used.
[2] One or more kinds of nitrogen gas, carbon dioxide gas, nitrogen oxide gas, and argon gas are sealed as the pressurized gas of the aerosol can, and two kinds of fillings can be discharged at a constant ratio amount. The double-structure aerosol can container according to [1].
[3] The first internal pouch for the first agent can be connected to the first passage provided in the stem, and the second internal pouch for the second agent can be connected to the second passage provided in the stem. The first passage for the second agent and the second passage for the second agent are provided so as not to contact each other, and the first agent and the second agent can be discharged in a separated state to the tip of the stem without mixing. The double-structure aerosol can container in [1] or [2].
[4] The first and second interior pouches in the double-structure aerosol can container according to [1], wherein each interior pouch is made of a laminated material or a thermoplastic resin made of a metal foil and a thermoplastic resin, An interior pouch accommodated in a double-structure aerosol can container in a hair dye, wherein at least one of the pouches is composed of a laminated material made of a metal foil and a thermoplastic resin.
[5] The double structure aerosol can container according to [4], wherein the laminated material composed of the metal foil and the thermoplastic resin is laminated and bonded through a layer containing an acid-modified thermoplastic adhesive resin. Interior pouch in.
[6] Laminate joining is performed by extruding a composition containing an acid-modified thermoplastic adhesive resin on a metal foil and laminating and joining the inner surface layer of the thermoplastic resin, or the laminate joining is acid-modified thermoplastic adhesive resin on the metal foil. A sheet for forming an interior pouch in a double-structure aerosol can container according to [5], wherein a powder of a composition containing a resin is adhered and the inner surface layer of the thermoplastic resin is laminated and bonded by heating and melting the powder Material manufacturing method.
[7] The hair dye is an oxidative hair dye, a first agent containing a strong alkaline component is contained in the first interior pouch, and a second agent comprising an acidic component containing hydrogen peroxide in the second interior pouch. The internal pouch in the double structure aerosol can container according to [4], wherein the agent is contained.
[8] The interior pouch in the double structure aerosol can container according to [5], wherein the metal foil is made of an aluminum foil and the acid-modified thermoplastic adhesive resin layer is made of a maleic anhydride-modified polyolefin resin.
[9] The second interior pouch filled with the second agent composed of an acidic component containing hydrogen peroxide is formed of a laminated material in which an aluminum foil and a polyethylene terephthalate resin layer are laminated with a polyurethane-based adhesive. The 2nd interior pouch in the double structure aerosol can container in [7].
[10] The interior pouch is formed of a laminated material having a first layer made of an amorphous or low crystalline copolymer of olefin and cyclic olefin and a second layer made of an oxygen shielding thermoplastic resin. An interior pouch in the double-structure aerosol can container according to [1].

本発明においては、二剤式の酸化染毛剤の容器として、酸化染毛剤の第一剤及び第二剤それぞれを充填した各々の内装パウチを1本のエアゾール缶に収納して、二重構造のエアゾール缶となしたので、二剤の一定の比率量の混合を手指のワンタッチ操作で簡便に行うことができ、そのため所定の染色力が得られ染色むらも生じなく、染毛剤の混合時に染毛剤により手指や衣服を汚す惧れもなく、なにより消費者にとって第一剤と第二剤とを混合して使用する煩わしさも解消され、かつ、簡易に安価にその様な酸化染毛剤エアゾール容器を製造できる、などの多くの効果を奏している。
併せて、染料とアンモニアを主要成分とする強アルカリ性成分からなる第一剤においては、酸素との接触により第一剤が化学的に変質し染毛機能も低下することはなく、内容物成分の内装パウチ外への揮散による消失もなく、また、染毛剤の強いアルカリ性成分による化学的な厳しい影響による内装パウチなどにおける層材料の腐食や層間剥離の惧れもない。さらに、過酸化水素を主要成分とする酸化性の酸性成分からなる第二剤においては、酸化剤の過酸化水素の分解に由来する発生酸素による内部膨張圧や内容物成分の内装パウチ外への揮散による消失も生じない。
In the present invention, as a two-component oxidative hair dye container, each interior pouch filled with each of the first and second oxidative hair dye agents is housed in one aerosol can, and doubled. Since it has an aerosol can with a structure, it is possible to easily mix a certain amount of the two components by one-touch operation of the fingers, so that a predetermined dyeing power can be obtained and no dyeing unevenness is produced, and the hair dye is mixed. Sometimes there is no risk of fouling fingers and clothes with hair dyes, and the troublesome use of the first and second agents for the consumer is eliminated, and such oxidative dyeing is easily and inexpensively performed. It has many effects such as being able to manufacture hair aerosol containers.
In addition, in the first agent consisting of a strong alkaline component mainly composed of a dye and ammonia, the first agent is not chemically altered by contact with oxygen, and the hair dyeing function is not deteriorated. There is no loss due to volatilization outside the interior pouch, and there is no risk of corrosion or delamination of the layer material in the interior pouch due to the severe chemical effect of the strong alkaline component of the hair dye. Furthermore, in the second agent consisting of an oxidizing acidic component containing hydrogen peroxide as the main component, the internal expansion pressure due to the generated oxygen derived from the decomposition of the oxidizing agent hydrogen peroxide and the contents components outside the interior pouch There is no loss due to volatilization.

本発明については、本発明の課題を解決するための手段として、本発明の基本的な構成に沿って以上において詳述したが、以下においては、段落0018にまとめて記載した本発明群の発明についての実施の形態を、図面を参照しながら、具体的に詳しく説明する。   The present invention has been described in detail above along the basic configuration of the present invention as a means for solving the problems of the present invention. In the following, the invention of the present invention group collectively described in paragraph 0018 is described. The embodiment will be specifically described in detail with reference to the drawings.

1.二剤式酸化染毛剤収納エアゾール缶について
(1)従来のエアゾール缶
段落0005において記述した、従来において実用化されている二剤式酸化染毛剤収納エアゾール缶は、図1に簡略図として例示されるところの、二剤を充填した内装容器をそれぞれ二本のエアゾール缶に収納して一体とし、第一剤と第二剤とをエアゾール式に窒素ガスなどの圧力ガスにより同時に吐出混合する染毛剤容器である。
1. About two-component oxidative hair dye storage aerosol cans (1) Conventional aerosol can The conventional two-agent oxidative hair dye storage aerosol cans described in paragraph 0005 are illustrated as a simplified diagram in FIG. However, the interior containers filled with the two agents are each housed in two aerosol cans and integrated, and the first agent and the second agent are simultaneously discharged and mixed with a pressure gas such as nitrogen gas in an aerosol manner. Hair container.

(2)本発明のエアゾール缶
本発明のエアゾール缶は、図2に簡略図として例示されるところの、染毛剤の第一剤を充填した第一内装パウチ及び染毛剤の第二剤を充填した第二内装パウチを一つのエアゾール缶に収納して、窒素ガスなどの圧力ガスにより二種の充填物を同時に吐出させうる、染毛剤における二重構造エアゾール缶容器である。二つの内装パウチは図示されているように、第一剤用の第一内装パウチをステムに設けた第一通路に接続可能とし、第二剤用の第二内装パウチをステムに設けた第二通路に接続可能とし、第一剤用の第一通路と第二剤用の第二通路とは接触しないように設けている。第一剤は第一通路を通して充填し、第二剤は第二通路を通して充填する。ステムの先端まで第一剤と第二剤を混合することなく分離状態で吐出することができる。
そして、消費者の指先のワンタッチ操作により、二剤が同時に、一定の比率量にて混合される。
(2) Aerosol can of the present invention The aerosol can of the present invention comprises the first interior pouch filled with the first agent of the hair dye and the second agent of the hair dye, which are illustrated as a simplified diagram in FIG. This is a double-structured aerosol can container for a hair dye, in which the filled second interior pouch is housed in one aerosol can, and two kinds of fillings can be discharged simultaneously by a pressure gas such as nitrogen gas. As shown in the figure, the two internal pouches are connectable to the first passage provided in the stem with the first internal pouch for the first agent, and the second internal pouch for the second agent is provided in the stem with the second internal pouch provided on the stem. The first passage for the first agent and the second passage for the second agent are provided so as not to contact each other. The first agent is filled through the first passage, and the second agent is filled through the second passage. The first agent and the second agent can be discharged in a separated state without mixing up to the tip of the stem.
And two agents are simultaneously mixed by the fixed ratio amount by one-touch operation of a consumer's fingertip.

第一剤および第二剤の内装パウチが1本のエアゾール缶に収納されているので、同一の加圧ガスにより加圧噴射されて、一定の比率量にて、同時に吐出させうるものである。第一剤と第二剤を混合して酸化染毛剤とし、髪に塗布する際、第1剤と第二剤の使用量が異なることから、一定の比率量で安定して吐出できることが必要であるからである。
また、二剤の内装パウチが1本のエアゾール缶に収納されているので、二液混合アダプターも不要で、簡易に安価にエアゾール缶を製造できる。
エアゾール缶の加圧ガスとしては、通常の窒素ガス又は二酸化炭素ガスあるいは亜酸化チッソガスやアルゴンガスなどの一種または複数種のガスが封入される。
なお、エアゾール缶の吐出口に櫛やブラシ歯を一体的に取り付けて、吐出混合された染毛剤をそれらに塗りつけて頭髪を梳くようにして、染毛するようにしてもよい。
Since the internal pouch of the first agent and the second agent is housed in one aerosol can, it can be pressurized and injected by the same pressurized gas and simultaneously discharged in a constant ratio amount. When the first agent and the second agent are mixed to form an oxidative hair dye and applied to the hair, the amount used of the first agent and the second agent is different. Because.
Moreover, since the two-pack internal pouch is housed in one aerosol can, a two-component mixing adapter is not required, and the aerosol can can be manufactured easily and inexpensively.
As the pressurized gas of the aerosol can, one or more kinds of gases such as normal nitrogen gas, carbon dioxide gas, nitrous oxide gas, and argon gas are enclosed.
In addition, combs and brush teeth may be integrally attached to the discharge port of the aerosol can, and the discharged and mixed hair dye may be applied to the hair so that the hair is combed.

2.第一及び第二の内装パウチについて
(1)収納剤
二重構造エアゾール缶容器における第一及び第二の内装パウチにおいては、第一の内装パウチに染料とアンモニアを主要成分とする強アルカリ性成分からなる第一剤が収納され、第二の内装パウチに過酸化水素を主要成分とする酸化性の酸性成分からなる第二剤が収納される。
強アルカリ性成分からなる第一剤においては、アンモニア及びフェニレンジアミン類やアミノフェノール類などの酸化染料中間体、並びに4−ニトロ−o−フェニレンジアミンや1,4−ジアミノアントラキノンなどの直接染料が配合されており、第一剤の成分が保存中に空気中の酸素と接触すると、化学的な変質を生じ染毛機能も低下し、酸素との接触を続けると染毛不能となってしまう。
酸化性の酸性成分からなる第二剤においては、酸化剤の過酸化水素及びフェナンセチンやEDTAなどの安定剤やpH調整剤が配合されている。
2. About 1st and 2nd interior pouch (1) Storage agent In the 1st and 2nd interior pouch in a double-structure aerosol can container, from the strong alkaline component which has dye and ammonia as main components in the 1st interior pouch. The first agent is housed, and the second interior pouch contains the second agent made of an oxidizing acidic component containing hydrogen peroxide as a main component.
In the first agent consisting of a strong alkaline component, ammonia and an oxidation dye intermediate such as phenylenediamines and aminophenols, and a direct dye such as 4-nitro-o-phenylenediamine and 1,4-diaminoanthraquinone are blended. When the components of the first agent come into contact with oxygen in the air during storage, chemical alteration occurs and the hair dyeing function is lowered, and if the contact with oxygen continues, hair dyeing becomes impossible.
In the second agent composed of an oxidizing acidic component, an oxidizing agent such as hydrogen peroxide, a stabilizer such as phenanthine and EDTA, and a pH adjuster are blended.

(2)内装パウチの形成材料
内装パウチの形成材料においては、各々の内装パウチが金属箔と熱可塑性樹脂内面層からなる積層材料あるいは熱可塑性樹脂材料から構成され、内装パウチの少なくともいずれかが金属箔と熱可塑性樹脂内面層からなる積層材料から構成される。少なくともいずれかに金属箔が使用されれば、第二剤からの酸素が第一剤中へ侵入することを阻止できる。
酸化染毛剤の二剤を充填した二種の内装パウチを1本のエアゾール缶に収納した場合には、酸化性の酸性成分からなる第二剤の内装パウチから発生する酸素がエアゾール缶内の加圧ガスに混じり、その酸素が同じエアゾール缶内の第一剤の内装パウチに侵入して第一剤の化学的な変質を生じ染色力も劣化させてしまうので、第一剤及び第二剤の内装パウチに酸素遮蔽性の材料を使用することが好ましく、そのために金属箔などを使用した積層材料を採用する(内装パウチの形成材料の使用態様として、「使用態様1」と称す。段落0034の表1を参照。)。
金属箔としては、アルミ箔や鉄箔などが使用されるが、加工性や耐腐食性および経済性などの観点からアルミ箔が最適であり、箔の厚さは5〜100μm程度内で適宜に設定される。金属箔の表面に熱可塑性樹脂の外層保護材を積層するのが好ましい。また、金属箔の表面にエポキシなどのコート膜を設けてもよい。
なお、酸素遮蔽性の高いプラスチック材料を採用すれば、例えば、金属箔を使用しない金属蒸着プラスチックフィルムでもよい。
(2) Forming material for interior pouch In the interior pouch forming material, each interior pouch is made of a laminated material or a thermoplastic resin material comprising a metal foil and a thermoplastic resin inner layer, and at least one of the interior pouches is made of metal. It is comprised from the laminated material which consists of foil and a thermoplastic resin inner surface layer. If metal foil is used for at least one of them, it is possible to prevent oxygen from the second agent from entering the first agent.
When two types of interior pouches filled with two agents of oxidative hair dye are stored in one aerosol can, oxygen generated from the interior pouch of the second agent made of an oxidizing acidic component is contained in the aerosol can. Since it mixes with the pressurized gas and its oxygen penetrates into the first agent's internal pouch in the same aerosol can, it causes chemical alteration of the first agent and deteriorates the dyeing power. It is preferable to use an oxygen-shielding material for the interior pouch, and for this purpose, a laminated material using a metal foil or the like is adopted (referred to as “use aspect 1” as the form of use of the material for forming the interior pouch. Paragraph 0034) See Table 1.)
As the metal foil, aluminum foil or iron foil is used, but aluminum foil is optimal from the viewpoint of workability, corrosion resistance and economy, and the thickness of the foil is appropriately within about 5 to 100 μm. Is set. It is preferable to laminate a thermoplastic resin outer layer protective material on the surface of the metal foil. Further, a coating film such as epoxy may be provided on the surface of the metal foil.
In addition, if a plastic material with a high oxygen shielding property is employed, for example, a metal-deposited plastic film that does not use a metal foil may be used.

酸化染毛剤の第一剤用内装パウチ及び第二剤用内装パウチそれぞれを同一エアゾール缶に収納する本発明においては、内装パウチの少なくともいずれかが金属箔と熱可塑性樹脂内面層からなる積層材料から構成されればよく、他の内装パウチは樹脂材料のみ、すなわち、金属箔を使用せずガスバリア性もない、いわゆる「透明材料」、により形成することができる(使用態様2及び使用態様3;表1を参照)。
透明材料を使用する場合に、第一剤からの内容物成分の揮散(使用態様3)、及び第二剤からの水分の揮散はエアゾール缶内に留まり、第二剤における発生酸素圧による内装パウチの膨張も加圧ガスにより抑えられる(使用態様2)。
PETやナイロンあるいはポリオレフィンなどの酸素遮蔽性が殆どないいわゆる透明材料を使用すると、強アルカリ成分などの内容剤が内装パウチ外に透過揮散してしまい、かえってデラミを生じない。第一剤用内装パウチに透明材料を使用する場合は、酸素遮蔽性などのバリア性がないほうが、デラミ問題を生じず好ましい。
In the present invention in which the interior pouch for the first agent and the interior pouch for the second agent are stored in the same aerosol can in the present invention, at least one of the interior pouches is composed of a metal foil and a thermoplastic resin inner layer. Other interior pouches can be formed of only a resin material, that is, a so-called “transparent material” that does not use a metal foil and does not have a gas barrier property (use mode 2 and use mode 3; (See Table 1).
When a transparent material is used, the volatilization of the content components from the first agent (Usage mode 3) and the volatilization of moisture from the second agent remain in the aerosol can, and the interior pouch due to the generated oxygen pressure in the second agent Is also suppressed by pressurized gas (use mode 2).
When a so-called transparent material such as PET, nylon, or polyolefin that has little oxygen shielding properties is used, the content agent such as a strong alkali component permeates out of the interior pouch, and delamination does not occur. When a transparent material is used for the first agent interior pouch, it is preferable that there is no barrier property such as oxygen shielding property because no delamination problem occurs.

金属箔を用いる具体的な態様としては、金属箔と熱可塑性樹脂内面層からなる積層材料が使用され、金属箔層と酸変性熱可塑性接着樹脂層及びヒートシール性熱可塑性樹脂層から構成されることが好ましい。金属箔がアルミ箔からなり、ヒートシール性熱可塑性樹脂層がポリオレフィン系樹脂からなり、酸変性熱可塑性接着樹脂層が無水マレイン酸変性ポリオレフィン系樹脂からなることが好適である。
内装パウチの構成の具体例としては、外層材(PET単層又はナイロン単層あるいはPETとナイロンの多層)/アルミ箔/接着性変性ポリオレフィン/内面ポリプロピレンである。
As a specific embodiment using a metal foil, a laminated material comprising a metal foil and a thermoplastic resin inner layer is used, and the metal foil layer, an acid-modified thermoplastic adhesive resin layer, and a heat sealable thermoplastic resin layer are used. It is preferable. It is preferable that the metal foil is made of an aluminum foil, the heat-sealable thermoplastic resin layer is made of a polyolefin resin, and the acid-modified thermoplastic adhesive resin layer is made of a maleic anhydride-modified polyolefin resin.
A specific example of the configuration of the interior pouch is outer layer material (PET single layer or nylon single layer or PET and nylon multilayer) / aluminum foil / adhesive modified polyolefin / inner surface polypropylene.

酸化染毛剤における強アルカリ性成分などによるデラミを防止するには特定の接着剤層が必要で、本発明では、この問題への対応として特定の接着剤である酸変性熱可塑性樹脂接着剤、特に無水マレイン酸グラフトポリエチレン樹脂など、を採用して染毛剤の使用前の保存中におけるデラミを効率的に充分に阻止するものである。通常要求される40℃−6ケ月の保存においても、デラミやアルミ箔の腐食を生じず良好な耐内容品性を示す。
酸変性熱可塑性樹脂接着剤としては、遊離カルボン酸やカルボン酸エステルあるいはカルボン酸アミドやカルボン酸無水物などに基づくカルボオキシ基を有する熱可塑性樹脂、及びこの樹脂と他の熱可塑性樹脂との組成物(ブレンド)なども使用されうるが、マレイン酸やアクリル酸などのカルボン酸で化学変性したポリオレフィン、及び、無水マレイン酸や無水イタコン酸などのカルボン酸無水物によるカルボキシル基に由来する原子団を有すエチレン系不飽和単量体をグラフトしたポリオレフィンなどの熱可塑性樹脂が好適に使用される。特に、接着機能の観点から、無水マレイン酸をグラフトしたポリオレフィン(低密度ポリエチレン(LDPE)他)が好ましい。
A specific adhesive layer is required to prevent delamination due to a strong alkaline component in an oxidative hair dye. In the present invention, an acid-modified thermoplastic resin adhesive, which is a specific adhesive, as a countermeasure against this problem, particularly A maleic anhydride grafted polyethylene resin or the like is used to efficiently and sufficiently prevent delamination during storage before using the hair dye. Even when it is normally stored at 40 ° C. for 6 months, it does not cause corrosion of delamination or aluminum foil, and exhibits good content resistance.
Examples of the acid-modified thermoplastic resin adhesive include a thermoplastic resin having a carbooxy group based on a free carboxylic acid, a carboxylic acid ester, a carboxylic acid amide, a carboxylic acid anhydride, or the like, and a composition of this resin and another thermoplastic resin (Blends) can also be used, but it has an atomic group derived from a carboxyl group chemically modified with a carboxylic acid such as maleic acid or acrylic acid, and a carboxylic acid anhydride such as maleic anhydride or itaconic anhydride. A thermoplastic resin such as polyolefin grafted with ethylenically unsaturated monomer is preferably used. In particular, from the viewpoint of the adhesion function, polyolefins grafted with maleic anhydride (low density polyethylene (LDPE), etc.) are preferable.

過酸化水素を含有する酸性成分からなる第二剤を充填した第二剤用内装パウチにおいては、第一剤の場合より収納剤による層間剥離作用(デラミ)が弱いので、ポリエチレンテレフタレート樹脂(PET)層を用いるとドライラミネーションでも使用でき、アルミ箔とPET層をポリウレタン系接着剤にて積層した積層材料により形成することもできる(使用態様4;表1を参照)。   In the interior pouch for the second agent filled with the second agent composed of an acidic component containing hydrogen peroxide, the delamination action (delamination) due to the storage agent is weaker than that of the first agent, so that the polyethylene terephthalate resin (PET) If a layer is used, it can also be used for dry lamination, and can also be formed by a laminated material in which an aluminum foil and a PET layer are laminated with a polyurethane-based adhesive (use mode 4; see Table 1).

内装パウチが、金属箔と熱可塑性樹脂内面層からなる積層材料の代わりに、オレフィンと環状オレフィンとの非晶性ないしは低結晶性共重合体(いわゆるCOC)からなる第一層と酸素遮蔽性熱可塑性樹脂からなる第二層を有する積層材料から形成されることも可能である。
COCは通常の容器の層構成材料として既に知られているものであり、オレフィンと環状オレフィンとの非晶質ないしは低結晶性共重合体(COC)を共重合するための、オレフィンとしては、エチレンが好適であり、他にプロピレン,1−ブテン,1−ペンテン,1−ヘキセン,1−オクテン,3−メチル−1−ペンテン,1−デセンなどの炭素数3〜20のα−オレフィンが、単独あるいはエチレンとの組み合わせで使用され、環状オレフィンとしては、基本的には、エチレン性不飽和結合とビシクロ環とを有する脂環族炭化水素化合物、例えば、ビシクロ[2,2,1]ヘプト−2−エン骨格を有する炭化水素化合物が使用されるが、トリシクロ[4,3,0,12,5]−3−デセンおよびテトラシクロ誘導体やその他の誘導体、さらには置換基を有すこれらの化合物も適宜に使用できる。
COCは、10〜50%の環状オレフィンと残余のオレフィンから形成され、ガラス転移点が5〜200℃であることが成形性や接着性あるいは水分遮蔽性などの観点から好ましい。
The interior pouch has a first layer made of an amorphous or low crystalline copolymer of olefin and cyclic olefin (so-called COC) and oxygen-shielding heat instead of a laminated material made of metal foil and thermoplastic resin inner layer. It is also possible to form a laminated material having a second layer made of a plastic resin.
COC is already known as a layer constituting material for ordinary containers, and as an olefin for copolymerizing an amorphous or low crystalline copolymer (COC) of an olefin and a cyclic olefin, ethylene is used. And other α-olefins having 3 to 20 carbon atoms such as propylene, 1-butene, 1-pentene, 1-hexene, 1-octene, 3-methyl-1-pentene, 1-decene, etc. Alternatively, it is used in combination with ethylene, and the cyclic olefin basically includes an alicyclic hydrocarbon compound having an ethylenically unsaturated bond and a bicyclo ring, such as bicyclo [2,2,1] hept-2. -Hydrocarbon compounds having an ene skeleton are used, but tricyclo [4,3,0,1 2,5 ] -3-decene, tetracyclo derivatives and other derivatives, In addition, these compounds having a substituent can be appropriately used.
COC is formed from 10 to 50% of a cyclic olefin and the remaining olefin, and preferably has a glass transition point of 5 to 200 ° C. from the viewpoints of moldability, adhesiveness or moisture shielding properties.

(3)内装パウチ形成材料の製法
内装パウチ形成材料の製法の好ましい例としては、金属箔と熱可塑性樹脂内面層からなる積層材料がポリオレフィン系熱可塑性接着樹脂により積層接合され、(イ)積層接合が金属箔にポリオレフィン系熱可塑性接着樹脂を押出して熱可塑性樹脂内面層を積層することにより行われ、あるいは(ロ)積層接合が金属箔にポリオレフィン系熱可塑性接着樹脂の粉末を付着させ当粉末を加熱溶融させて熱可塑性樹脂内面層を積層することにより行われる。
(イ)の方法は押出コートラミネート法であり、ポリオレフィン系熱可塑性接着樹脂を押出してから熱可塑性樹脂内面層を積層する、あるいはポリオレフィン系熱可塑性接着樹脂と熱可塑性樹脂内面層を共押出しして積層する。
(ロ)の方法は粉末コートラミネート法であり、ポリオレフィン系熱可塑性接着樹脂の粉末を撒布や静電塗布により付着させ、当粉末を高周波加熱などにより加熱溶融させて熱可塑性樹脂内面層を積層する。
(3) Manufacturing method of interior pouch forming material As a preferable example of the manufacturing method of interior pouch forming material, a laminated material composed of a metal foil and a thermoplastic resin inner surface layer is laminated and joined by a polyolefin-based thermoplastic adhesive resin, and (a) laminated joining. Is performed by extruding a polyolefin-based thermoplastic adhesive resin on a metal foil and laminating the inner surface layer of the thermoplastic resin, or (b) laminating and bonding is performed by attaching a polyolefin-based thermoplastic adhesive resin powder to the metal foil. It is performed by heating and melting and laminating the inner layer of the thermoplastic resin.
The method (a) is an extrusion coat laminating method, in which a polyolefin-based thermoplastic adhesive resin is extruded and laminated with an inner surface layer of a thermoplastic resin, or a polyolefin-based thermoplastic adhesive resin and an inner surface layer of a thermoplastic resin are coextruded. Laminate.
Method (b) is a powder coat laminating method, in which a polyolefin thermoplastic adhesive resin powder is adhered by spreading or electrostatic coating, and the powder is heated and melted by high frequency heating or the like to laminate the inner layer of the thermoplastic resin. .

第一剤の内装パウチ形成材料として、従来のポリウレタン樹脂のような接着剤によるドライラミネーションによる材料を使用すると、短期間で層間剥離(デラミ)が発生してしまい、エアゾール缶を実用化できない。この問題点は主として、ウレタン系の接着剤が染毛剤における第一剤の強アルカリ性成分などの滲出により接着機能が劣化されるために生じるものである。
本発明の新しいエアゾール缶方式の採用により、使用する内装パウチの構成材料のバリエーション(使用材料の組み合わせ)が広がり、従来の製品では使用できなかった、アルミ箔やバリア層を含まない単純な、いわゆるガス透過性の、透明構成も使用可能となる。
When a material by dry lamination with an adhesive such as a conventional polyurethane resin is used as the first agent interior pouch forming material, delamination occurs in a short period of time, and an aerosol can cannot be put into practical use. This problem occurs mainly because the adhesive function of the urethane-based adhesive deteriorates due to leaching of the strong alkaline component of the first agent in the hair dye.
By adopting the new aerosol can method of the present invention, the variation of the constituent materials of the interior pouch to be used (combination of the materials used) is widened, and it is a simple, so-called non-aluminum foil or barrier layer that cannot be used in conventional products. A gas permeable, transparent configuration can also be used.

以上において詳述した内装パウチの形成材料の使用態様についてまとめると、表1のとおりとなる。   Table 1 summarizes the usage modes of the forming material for the interior pouch described in detail above.

Figure 2005231644
Figure 2005231644

以下において、各実施例によって、各比較例を対照して図面を参照しながら、本発明を実例として具体的に示すが、以下の実施例は、本発明及びその範囲をより明瞭にするためのものである。   In the following, the present invention will be specifically illustrated by way of example with reference to the drawings in comparison with each comparative example. However, the following examples are intended to clarify the present invention and its scope. Is.

[実施例−1〜4]
酸化染毛剤の第一剤を充填した第一剤用内装パウチ及び染毛剤の第二剤を充填した第二剤用内装パウチを一つのエアゾール缶に収納して、二種の充填物を同時に吐出させうる二重構造エアゾール缶容器を使用した。下記の条件で、表2に示す内装パウチにて実施した。
*エアゾール缶タイプ: 図2に図示のエアゾール缶1本タイプのもの
*エアゾール缶の加圧ガス: 窒素ガス
*第一剤: 強アルカリ性成分 アンモニア及びフェニレンジアミン類やアミノフェノール類などの酸化染料中間体、並びに4−ニトロ−o−フェニレンジアミンや1,4−ジアミノアントラキノンなどの直接染料を配合
*第二剤: 酸化性の酸性成分 酸化剤の過酸化水素及びフェナンセチンやEDTAなどの安定剤やpH調整剤を配合
*アルミ箔構成:
外層材−PET(12μm)/アルミ箔(9μm)/接着性変性ポリオレフィン(5μm)/内面材−ポリプロピレン(PP)(50μm)
*透明構成:
外層材−ナイロン(15μm)/ 内面材−PP(50μm)
*押出コートラミ法: 段落0031に記載
*粉末コートラミ法: 段落0031に記載
*PET中間層を使用するドライラミ構成:
PET(12μm)/アルミ箔(9μm)/ウレタン系接着剤/PET(12μm)/PP(50μm)
*保存条件: 40℃−75%RHで6ヶ月間長期保存
[Examples 1-4]
The interior pouch for the first agent filled with the first agent of the hair dye and the interior pouch for the second agent filled with the second agent of the hair dye are housed in one aerosol can, and two kinds of fillings are prepared. A double-structure aerosol can container that can be discharged simultaneously was used. It implemented in the interior pouch shown in Table 2 on the following conditions.
* Aerosol type: One type of aerosol can shown in Fig. 2 * Pressurized gas of aerosol can: Nitrogen gas * First agent: Strongly alkaline component Ammonia and intermediate intermediates for oxidation dyes such as phenylenediamines and aminophenols , And direct dyes such as 4-nitro-o-phenylenediamine and 1,4-diaminoanthraquinone * Second agent: Oxidizing acidic components Stabilizers such as hydrogen peroxide, phenanthine and EDTA, and pH adjustment * Aluminum foil composition:
Outer layer material—PET (12 μm) / Aluminum foil (9 μm) / Adhesive modified polyolefin (5 μm) / Inner surface material—Polypropylene (PP) (50 μm)
* Transparent composition:
Outer layer material-Nylon (15 μm) / Inner surface material-PP (50 μm)
* Extruded coat lamination method: described in paragraph 0031 * Powder coat lamination method: described in paragraph 0031 * Dry lamination composition using PET intermediate layer:
PET (12 μm) / Aluminum foil (9 μm) / Urethane adhesive / PET (12 μm) / PP (50 μm)
* Storage conditions: Long-term storage for 6 months at 40 ° C-75% RH

Figure 2005231644
Figure 2005231644

[比較例−1]
下記の条件以外は、実施例−1と同様に行った。
*エアゾール缶: 図1に図示の従来のエアゾール缶2本タイプのもの
*第一剤用内装パウチ: PP(80μm)
*第二剤用内装パウチ: PP(80μm)
[Comparative Example-1]
The procedure was the same as in Example 1 except for the following conditions.
* Aerosol can: Two types of conventional aerosol cans shown in Fig. 1 * Internal pouch for first agent: PP (80 μm)
* Internal pouch for second agent: PP (80μm)

[比較例−2,3]
表3に記載のパウチ構成にて、実施例−1と同様に行った。
[Comparative Examples-2, 3]
It carried out similarly to Example-1 by the pouch structure of Table 3.

Figure 2005231644
Figure 2005231644

[評価項目および評価結果]
保存完了後に、各エアゾール缶の吐出状況と染毛性及び各エアゾール缶における内装パウチの腐食とデラミの有無を評価した。評価結果を表4に示す。
[Evaluation items and evaluation results]
After the storage was completed, the discharge state and hair dyeing property of each aerosol can, and the corrosion and delamination of the interior pouch in each aerosol can were evaluated. The evaluation results are shown in Table 4.

Figure 2005231644
Figure 2005231644

[実施例と比較例の結果の考察]
以上の各実施例及び各比較例を対照すると、本発明のエアゾール缶においては、6ケ月保存後も吐出状況は良好で、第一剤及び第二剤を一定の比率量にて吐出混合でき、エアゾール缶1本タイプでも染毛性は良好で、内装パウチの腐食・デラミは発生しなかった。
比較例−1のエアゾール缶二本タイプでは、6ケ月保存後は、染毛性は普通で、内装パウチの腐食・デラミは発生しなかったが、第一剤及び第二剤の吐出がやや不良で、吐出混合が一定比率量にて行えなかった。そのため、染毛性も充分とはいえない。
比較例−2では、実施例−1と同様に、二種の内装パウチを一つのエアゾール缶に収納して、二種の充填物を同時に吐出させうる二重構造エアゾール缶容器を使用したが、第一剤用内装パウチとしてPET中間層を使用したドライラミのアルミ箔を用いたので、第一剤用内装パウチにデラミが発生して、そのために、吐出状況と染毛性がやや不良となり、比較例−3では、実施例−1と同様に、二種の内装パウチを一つのエアゾール缶に収納して、二種の充填物を同時に吐出させうる二重構造エアゾール缶容器を使用したが、両内装パウチに透明構成を用いたので、第一剤内装パウチが第二剤内装パウチからの揮散する酸素によって、化学的に劣化変質してしまい、染毛性が不良となった。
各実施例と各比較例との対照により、本発明においては、各構成要素に顕著な有意性が有り、また、酸化染毛剤のエアゾール缶として実用的に優れていることが実証されている。
[Consideration of results of Examples and Comparative Examples]
In contrast to each of the above examples and comparative examples, in the aerosol can of the present invention, the discharge situation is good even after storage for 6 months, and the first agent and the second agent can be discharged and mixed in a certain ratio amount, Even one aerosol can type had good hair dyeing properties, and the interior pouch was not corroded or delaminated.
In the two aerosol cans of Comparative Example-1, the hair dyeability was normal after 6 months storage, and the corrosion and delamination of the interior pouch did not occur, but the discharge of the first agent and the second agent was somewhat poor. Thus, the discharge mixing could not be performed at a constant ratio amount. Therefore, it cannot be said that the hair dyeing property is sufficient.
In Comparative Example-2, as in Example-1, a double-structured aerosol can container was used, in which two types of interior pouches were housed in one aerosol can and two types of fillings could be discharged simultaneously. Because dry laminating aluminum foil using PET intermediate layer was used as the first agent interior pouch, delamination occurred in the first agent interior pouch, and as a result, the discharge status and hair dyeing were somewhat poor, and comparison In Example-3, as in Example-1, a double-structured aerosol can container was used in which two types of interior pouches were housed in one aerosol can and two types of fillings could be discharged simultaneously. Since the transparent configuration was used for the interior pouch, the first agent interior pouch was chemically deteriorated and deteriorated by oxygen volatilized from the second agent interior pouch, resulting in poor hair dyeing properties.
By contrast with each example and each comparative example, in the present invention, each component has significant significance, and it has been proved that it is practically excellent as an aerosol can of oxidative hair dye. .

従来の酸化染毛剤の二缶式エアゾール缶容器を示す簡略断面図である。It is a simplified sectional view showing a conventional two-can aerosol can container of oxidative hair dye. 本発明における酸化染毛剤の一缶式エアゾール缶容器を示す簡略断面図である。It is a simplified sectional view showing one can type aerosol can container of an oxidation hair dye in the present invention.

Claims (10)

染毛剤の第一剤を充填した第一内装パウチ及び染毛剤の第二剤を充填した第二内装パウチを一つのエアゾール缶に収納して、二種の充填物を同時に吐出させうることを特徴とする、染毛剤における二重構造エアゾール缶容器。 The first interior pouch filled with the first agent of the hair dye and the second interior pouch filled with the second agent of the hair dye can be housed in one aerosol can, and two kinds of fillers can be discharged simultaneously. A double-structured aerosol can container for hair dyes. エアゾール缶の加圧ガスとして窒素ガス、二酸化炭素ガス、亜酸化チッソガス、アルゴンガスの一種または複数種のガスが封入され、二種の充填物を一定の比率量にて吐出させうることを特徴とする、請求項1に記載された二重構造エアゾール缶容器。 One or more kinds of nitrogen gas, carbon dioxide gas, nitrous oxide gas, and argon gas are sealed as pressurized gas of an aerosol can, and two kinds of fillings can be discharged at a constant ratio amount. The double-structure aerosol can container according to claim 1. 第一剤用の第一内装パウチをステムに設けた第一通路に接続可能とし、第二剤用の第二内装パウチをステムに設けた第二通路に接続可能とし、第一剤用の第一通路と第二剤用の第二通路とは接触しないように設けられて、ステムの先端まで第一剤と第二剤を混合することなく分離状態で吐出することができることを特徴とする、請求項1又は請求項2に記載された二重構造エアゾール缶容器。 The first internal pouch for the first agent can be connected to the first passage provided on the stem, the second internal pouch for the second agent can be connected to the second passage provided on the stem, and the first internal pouch for the first agent can be connected to the first passage. The first passage and the second passage for the second agent are provided so as not to contact each other, and can be discharged in a separated state without mixing the first agent and the second agent to the tip of the stem. A double-structure aerosol can container according to claim 1 or 2. 請求項1に記載された二重構造エアゾール缶容器における第一及び第二の内装パウチであって、各々の内装パウチが金属箔と熱可塑性樹脂からなる積層材料あるいは熱可塑性樹脂から構成され、内装パウチの少なくともいずれかが金属箔と熱可塑性樹脂からなる積層材料から構成されることを特徴とする、染毛剤における二重構造エアゾール缶容器に収納される内装パウチ。 The first and second interior pouches in the double structure aerosol can container according to claim 1, wherein each interior pouch is composed of a laminated material or a thermoplastic resin made of a metal foil and a thermoplastic resin, An interior pouch housed in a double-structure aerosol can container for a hair dye, wherein at least one of the pouches is made of a laminated material made of a metal foil and a thermoplastic resin. 金属箔と熱可塑性樹脂からなる積層材料が、酸変性熱可塑性接着樹脂を含有する層を介して積層接合されていることを特徴とする、請求項4に記載された二重構造エアゾール缶容器における内装パウチ。 The double layer aerosol can container according to claim 4, wherein the laminated material composed of the metal foil and the thermoplastic resin is laminated and bonded through a layer containing an acid-modified thermoplastic adhesive resin. Interior pouch. 積層接合が金属箔に酸変性熱可塑性接着樹脂を含有する組成物を押出して熱可塑性樹脂内面層を積層接合することにより行われ、あるいは積層接合が金属箔に酸変性熱可塑性接着樹脂を含有する組成物の粉末を付着させ当粉末を加熱溶融させて熱可塑性樹脂内面層を積層結合することを特徴とする、請求項5に記載された二重構造エアゾール缶容器における内装パウチを形成するシート材料の製造方法。 Lamination bonding is performed by extruding a composition containing an acid-modified thermoplastic adhesive resin on a metal foil and laminating and bonding the inner surface layer of the thermoplastic resin, or the lamination bonding contains an acid-modified thermoplastic adhesive resin on the metal foil. 6. A sheet material for forming an interior pouch in a double-structured aerosol can container according to claim 5, wherein the powder of the composition is adhered and the inner surface layer of the thermoplastic resin is laminated and bonded by heating and melting the powder. Manufacturing method. 染毛剤が酸化染毛剤であって、第一内装パウチに強アルカリ性成分を含有する第一剤が収容され、第二内装パウチに過酸化水素を含有する酸性成分からなる第二剤が収容されることを特徴とする、請求項4に記載された二重構造エアゾール缶容器における内装パウチ。 The hair dye is an oxidative hair dye, the first interior pouch contains a first agent containing a strong alkaline component, and the second interior pouch contains a second agent made of an acidic component containing hydrogen peroxide. The interior pouch in the double-structure aerosol can container according to claim 4, wherein 金属箔がアルミ箔からなり、酸変性熱可塑性接着樹脂層が無水マレイン酸変性ポリオレフィン系樹脂からなることを特徴とする、請求項5に記載された二重構造エアゾール缶容器における内装パウチ。 6. The interior pouch in a double structure aerosol can container according to claim 5, wherein the metal foil is made of an aluminum foil, and the acid-modified thermoplastic adhesive resin layer is made of a maleic anhydride-modified polyolefin resin. 過酸化水素を含有する酸性成分からなる第二剤を充填する第二内装パウチが、アルミ箔とポリエチレンテレフタレート樹脂層をポリウレタン系接着剤にて積層した積層材料により形成されることを特徴とする、請求項7に記載された二重構造エアゾール缶容器における第二内装パウチ。 The second interior pouch filled with the second agent composed of an acidic component containing hydrogen peroxide is formed of a laminated material in which an aluminum foil and a polyethylene terephthalate resin layer are laminated with a polyurethane-based adhesive, The 2nd interior pouch in the double structure aerosol can container described in Claim 7. 内装パウチが、オレフィンと環状オレフィンとの非晶質ないしは低結晶性共重合体からなる第一層と酸素遮蔽性熱可塑性樹脂からなる第二層を有す積層材料から形成されることを特徴とする、請求項1に記載された二重構造エアゾール缶容器における内装パウチ。


The interior pouch is formed of a laminated material having a first layer made of an amorphous or low crystalline copolymer of an olefin and a cyclic olefin and a second layer made of an oxygen shielding thermoplastic resin. The interior pouch in the double structure aerosol can container described in claim 1.


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