JP7267671B2 - Liquid composition for long-term storage - Google Patents

Liquid composition for long-term storage Download PDF

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JP7267671B2
JP7267671B2 JP2017085349A JP2017085349A JP7267671B2 JP 7267671 B2 JP7267671 B2 JP 7267671B2 JP 2017085349 A JP2017085349 A JP 2017085349A JP 2017085349 A JP2017085349 A JP 2017085349A JP 7267671 B2 JP7267671 B2 JP 7267671B2
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一行 鵜尾
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本発明は、長期保存包装された液体組成物に関する。より詳細には、本発明は液体組成物を充填した合成樹脂製容器をさらにラミネート包装した長期保存に耐えうる液体組成物に関する。 The present invention relates to liquid compositions packaged for extended storage. More particularly, the present invention relates to a liquid composition which can withstand long-term storage and which is laminated and packaged in a synthetic resin container filled with the liquid composition.

自然災害が多発傾向にある今日において、防災目的で化粧品などの種々の身の回り用品を備蓄されており、長期間保存可能な身の回り品の提供が望まれている。一般に化粧品などの商品は常温で3年間以上の品質を確保する設計が成されているが、この期間を5年以上とするためには、長期保存のための容器や包装に工夫する必要がある。一方、食品分野において5年以上の長期保存するためには、内容物を乾燥して封入する方法や、内容物を封入後レトルト処理など高温で過熱処理する方法などが取られているが、何れの方法も化粧品や医薬部外品などの液体状の身の回り用品に対して採用することができない。 In today's world where natural disasters tend to occur frequently, various personal items such as cosmetics are stockpiled for the purpose of disaster prevention, and it is desired to provide personal items that can be stored for a long period of time. In general, products such as cosmetics are designed to maintain quality for at least three years at room temperature, but in order to extend this period to at least five years, it is necessary to devise containers and packaging for long-term storage. . On the other hand, for long-term storage of 5 years or more in the food field, a method of drying and encapsulating the contents, and a method of superheating at high temperature such as retort treatment after encapsulating the contents are adopted. Neither method can be applied to liquid personal items such as cosmetics and quasi-drugs.

容器包装の材料の観点では、液体組成物を長期保存するためには、一般にガラス製や金属製の容器が使用されている。しかし、ガラス製容器の場合、物理的衝撃などによる破損の危険性があるだけでなく、容器自体の質量が大きくなるため、内容物量に対する質量が大きくなりすぎて扱いにくい欠点がある。一方、金属製容器の場合、内容物の種類によっては金属腐食や組成物への容器素材の溶解などの恐れがあるため、内容物の特性に応じて表面加工などを設計する必要が有るだけでなく、商品使用時の保存性を考慮した密封性の高い容器設計を行った場合、容器構造が複雑となり、金属材質の制限や製造コストが高くなるなどの課題が存在する。一方、一般的に容器素材として使用されている合成樹脂を用いた場合、組成物の水分や香料などの揮発成分が容器材を通して蒸散するため、香気が変化したり、原料臭のマスキングが不十分になったり、組成物を構成する成分比が大きく変化する恐れがある。このため長期保存期間中の商品品質を担保できないことから、長期保存ができない。そこで、容器の材質を複合化し、例えばエチレン・ビニルアルコール共重合体の層を構成することにより容器壁のバリア性を高める(特許文献1)などが提案されているが、容器材質の複合化は相互の材質の接着性から設計上の制限があったり、容器の成形過程における課題が生じたり、コストが高くなるなどの課題があった。 From the viewpoint of materials for containers and packaging, containers made of glass or metal are generally used for long-term storage of liquid compositions. However, in the case of a glass container, not only is there a risk of breakage due to physical impact, etc., but also the mass of the container itself becomes large, so there is a drawback that the mass becomes too large relative to the amount of contents and is difficult to handle. On the other hand, in the case of metal containers, depending on the type of contents, there is a risk of metal corrosion or dissolution of the container material into the composition, so it is only necessary to design the surface treatment etc. according to the characteristics of the contents. However, if a highly airtight container is designed in consideration of storage stability during product use, the structure of the container becomes complicated, and there are problems such as restrictions on metal materials and high manufacturing costs. On the other hand, when synthetic resin, which is generally used as a container material, is used, volatile components such as moisture and fragrances in the composition evaporate through the container material, resulting in a change in aroma and insufficient masking of raw material odors. or the ratio of components constituting the composition may change significantly. For this reason, long-term storage is not possible because the product quality cannot be guaranteed during the long-term storage period. Therefore, it has been proposed to increase the barrier properties of the container wall by, for example, forming a layer of ethylene-vinyl alcohol copolymer on the material of the container (Patent Document 1). There were problems such as design restrictions due to the adhesion of materials to each other, problems in the container molding process, and high costs.

特開2003-93149号公報JP-A-2003-93149

本発明は、上記した従来技術の現状に鑑みてなされたものであり、5年以上の長期において安定的に保存しうる化粧品などの液体や液状の組成物を提供することを目的とする。 The present invention has been made in view of the current state of the prior art described above, and an object of the present invention is to provide a liquid such as a cosmetic or a liquid composition that can be stably stored for a long period of 5 years or longer.

本発明者らは、上記した目的を達成すべく鋭意研究を重ねた結果、驚くべきことに、組成物を充填した合成樹脂製容器を、特定の水蒸気透過度および酸素透過度を有するラミネートのパウチで包装することにより、5年以上の組成物の安定性を保証できることを見出した。本発明者らはかかる知見に基づきさらなる研究を重ねることにより、本発明を完成させるに至った。 As a result of intensive studies to achieve the above object, the present inventors have surprisingly found that the synthetic resin container filled with the composition is a laminate pouch having specific water vapor permeability and oxygen permeability. It has been found that the stability of the composition for 5 years or more can be guaranteed by packaging with . The present inventors have completed the present invention by conducting further studies based on such knowledge.

即ち、本発明は以下の項に記載の主題を包含する。
項1.香料および/またはエチルアルコールを配合した組成物が充填された合成樹脂製容器を、水蒸気透過度が2(g/m/24h)以下でかつ酸素透過度が10(ml/m/24h)以下であるラミネート包材で構成されたパウチで包装した、長期保存用組成物。
項2.液体若しくは液状の組成物である項1に記載の長期保存用組成物。
項3.化粧品または口腔用組成物である、項1又は項2のいずれか1項に記載の長期保存用組成物。
That is, the present invention includes the subject matter described in the following sections.
Item 1. A synthetic resin container filled with a composition containing a fragrance and/or ethyl alcohol has a water vapor permeability of 2 (g/m 2 /24h) or less and an oxygen permeability of 10 (ml/m 2 /24h). A composition for long-term storage packaged in a pouch composed of a laminate packaging material that:
Section 2. Item 1. The composition for long-term storage according to Item 1, which is a liquid or liquid composition.
Item 3. Item 3. The composition for long-term storage according to any one of Items 1 and 2, which is a cosmetic or oral composition.

本発明によれば、5年以上の長期間において液体若しくは液状の化粧品や口腔用組成物が安定的に保存することが可能となる。その結果、防災用品として備蓄する場合の備蓄品の更新サイクルを大幅に延長できるため、保守管理が軽減できるだけでなく、大きな経済効果も期待できる。 According to the present invention, liquid or liquid cosmetics and oral compositions can be stably stored for a long period of 5 years or longer. As a result, it is possible to greatly extend the renewal cycle of stockpiled items for disaster prevention, so not only can maintenance and management be reduced, but also a large economic effect can be expected.

以下、本発明について詳細に説明する。 The present invention will be described in detail below.

本発明の香料および/またはエチルアルコールを配合した組成物は、少なくとも香料かエチルアルコールを配合した人体用若しくは家庭用のケア用品を意味する。特に、水を主な溶媒とする液体若しくは液状の組成物において顕著な効果を示す。構成樹脂容器に充填した組成物の組成変化を防ぐことができることから、香気や組成物の使用性、防腐性、医薬品や医薬部外品などの組成変化に対する厳密な品質管理が要求される人体用ケア用品に最適である。なお、液体若しくは液状とは、20℃の常温において流動性を有する状態を意味する。 A composition containing perfume and/or ethyl alcohol according to the present invention means a personal or household care product containing at least perfume or ethyl alcohol. In particular, a remarkable effect is exhibited in liquid or liquid compositions containing water as a main solvent. For the human body, which requires strict quality control against changes in the composition of fragrances, composition usability, antiseptic properties, pharmaceuticals and quasi-drugs, etc. Perfect for care products. The term "liquid" or "liquid" means a state of fluidity at room temperature of 20°C.

本発明の合成樹脂製容器は、ブロー成形で製造される合成樹脂製もしくはラミネート材製の容器であれば特に限定されない。また、容器の容量や形状に関しても特に限定されない。 The synthetic resin container of the present invention is not particularly limited as long as it is a synthetic resin container manufactured by blow molding or a laminate material container. Also, the capacity and shape of the container are not particularly limited.

本発明の合成樹脂製容器に使用できる合成樹脂の具体例としては、ブロー成形で容器を製造しうるものであれば、特に限定されない。具体例としては、ポリエチレン(PE)、ポリプロピレン(PP)、塩化ビニル樹脂、ポリ塩化ビニル(PVC)、エチレンビニルアルコール共重合体(EVOH)、ポリスチレン(PS)、ポリエチレンテレフタレート(PET)、メタキシリレンアジパミド(MXD6)などが挙げられる。このなかでも、化学成分を多く含有する人体用若しくは家庭用のケア用品の保存性を考慮すると、ポリエチレン(PE)、ポリプロピレン(PP)、ポリスチレン(PS)、ポリエチレンテレフタレート(PET)が好ましい。とくに、500ml以下の容量の容器では内容物当りの容器の表面積が比較的大きくなるため、ポリエチレンテレフタレートが最も好ましい。さらには、複数の素材を組み合わせた容器やコーティング処理した容器が好ましく使用できる。具体的には、ポリエチレン(PE)とエチレンビニルアルコール共重合体(EVOH)の組合せ、ポリエチレンテレフタレート(PET)とエチレンビニルアルコール共重合体(EVOH)の組合せ、ポリエチレンテレフタレート(PET)とメタキシリレンアジパミド(MXD6)の組合せなどが挙げられる。これら複数の素材を組み合わせて異なる性質を有する複数の樹脂層を形成した容器材料を形成させることにより、単一の層に比べより保存安定性を高めることができる。また、コーティング容器としては、例えばポリ塩化ビニリデン(PVDC)、エポキシ系樹脂、シリカ、カーボン、ダイヤモンドライクカーボン(DLC)などでコーティングしたものが挙げられる。中でもダイヤモンドライクカーボン(DLC)でコーティングしたポリエチレンテレフタレート(PET)は最も好ましい。 Specific examples of the synthetic resin that can be used for the synthetic resin container of the present invention are not particularly limited as long as the container can be manufactured by blow molding. Specific examples include polyethylene (PE), polypropylene (PP), vinyl chloride resin, polyvinyl chloride (PVC), ethylene vinyl alcohol copolymer (EVOH), polystyrene (PS), polyethylene terephthalate (PET), and metaxylylene. and adipamide (MXD6). Among these, polyethylene (PE), polypropylene (PP), polystyrene (PS), and polyethylene terephthalate (PET) are preferred in consideration of the storage stability of care products for the human body or home that contain a large amount of chemical components. In particular, polyethylene terephthalate is most preferable for containers having a capacity of 500 ml or less, because the surface area of the container per content is relatively large. Furthermore, a container in which a plurality of materials are combined or a coated container can be preferably used. Specifically, a combination of polyethylene (PE) and ethylene vinyl alcohol copolymer (EVOH), a combination of polyethylene terephthalate (PET) and ethylene vinyl alcohol copolymer (EVOH), a combination of polyethylene terephthalate (PET) and metaxylylene A combination of pamid (MXD6) and the like can be mentioned. By forming a container material in which a plurality of resin layers having different properties are formed by combining a plurality of these materials, storage stability can be improved more than a single layer. Examples of coating containers include those coated with polyvinylidene chloride (PVDC), epoxy resin, silica, carbon, diamond-like carbon (DLC), and the like. Among them, polyethylene terephthalate (PET) coated with diamond-like carbon (DLC) is most preferred.

本発明の合成樹脂製容器に使用できるラミネート材の具体例としては、パウチ形態で使用できるものであれば特に限定されない。具体的には、低密度ポリエチレン(LDPE)、中密度ポリエチレン(MDPE)、高密度ポリエチレン(HDPE)、直鎖状低密度ポリエチレン(LLDPE)メタロセンポリエチレン(別称:スーパーポリエチレン(SPE))、アイオノマー(SURLYN)、アルミニウム蒸着ポリエチレン(ALVM-PE)などのポリエチレン(PE);無延伸ポリプロピレン(CPP)、二軸延伸ポリプロピレン(OPP)、ポリビニルアルコールコート二軸延伸ポリプロピレン(A-OP)、ポリ塩化ビニリデンコート二軸延伸ポリプロピレン(K-OP)、透明蒸着無延伸ポリプロピレン(透明VM-OPP)、アルミニウム蒸着無延伸ポリプロピレン(ALVM-CPP)、アルミニウム蒸着二軸延伸ポリプロピレン(ALVM-OPP)などのポリプロピレン;ポリエチレンテレフタレート(PET)、ポリ塩化ビニリデンコートポリエチレンテレフタレート(K-PET)、透明蒸着ポリエチレンテレフタレート(透明VM-PET)、アルミニウム蒸着ポリエチレンテレフタレート(ALVM-PET)などのポリエチレンテレフタレート(PET);無延伸ナイロン(CNY)、バリア性ナイロン、メタキシレンジアミン系ナイロン(MXD6)、延伸ナイロン(ONY)、ポリ塩化ビニリデンコート延伸ナイロン(K-ONY)、アルミニウム蒸着延伸ナイロン(ALVM-ONY)などのナイロン(NY);ポリビニルアルコール(PVA)、二軸延伸ポリビニルアルコール(O-PVA)、ポリ塩化ビニリデンコート二軸延伸ポリビニルアルコール(KO-PVA)、ポリ塩化ビニル(PVC)、エチレン酢酸ビニル共重合体(EVA)、エチレンビニルアルコール共重合体(EVOH)、ポリ塩化ビニリデン(PVDC)などのビニル系樹脂;汎用ポリスチレン(GPPS)、延伸ポリスチレン(OPS)、耐衝撃性ポリスチレン(HIPS)などのポリスチレン(PS);エチレン・アクリル酸エチル共重合体(EEA)、エチレン・アクリル酸共重合体(EAA)、エチレン・メタクリル酸共重合体(EMAA)などのアクリル酸系樹脂;ポリアクリロニトリル(PAN)、アルミナ等の金属酸化物などが挙げられる。 A specific example of the laminate material that can be used for the synthetic resin container of the present invention is not particularly limited as long as it can be used in the form of a pouch. Specifically, low density polyethylene (LDPE), medium density polyethylene (MDPE), high density polyethylene (HDPE), linear low density polyethylene (LLDPE), metallocene polyethylene (also known as super polyethylene (SPE)), ionomer (SURLYN) ), polyethylene (PE) such as aluminized polyethylene (ALVM-PE); unoriented polypropylene (CPP), biaxially oriented polypropylene (OPP), polyvinyl alcohol coated biaxially oriented polypropylene (A-OP), polyvinylidene chloride coated Polypropylene such as axially oriented polypropylene (K-OP), transparent vapor-deposited unoriented polypropylene (transparent VM-OPP), aluminized vapor-deposited unoriented polypropylene (ALVM-CPP), aluminized biaxially oriented polypropylene (ALVM-OPP); polyethylene terephthalate ( polyethylene terephthalate (PET) such as PET), polyvinylidene chloride-coated polyethylene terephthalate (K-PET), transparent vapor-deposited polyethylene terephthalate (transparent VM-PET), aluminum vapor-deposited polyethylene terephthalate (ALVM-PET); Nylon (NY) such as barrier nylon, meta-xylene diamine nylon (MXD6), oriented nylon (ONY), polyvinylidene chloride coated oriented nylon (K-ONY), aluminum vapor deposition oriented nylon (ALVM-ONY); polyvinyl alcohol ( PVA), biaxially oriented polyvinyl alcohol (O-PVA), polyvinylidene chloride coated biaxially oriented polyvinyl alcohol (KO-PVA), polyvinyl chloride (PVC), ethylene vinyl acetate copolymer (EVA), ethylene vinyl alcohol copolymer Polymer (EVOH), vinyl resins such as polyvinylidene chloride (PVDC); polystyrene (PS) such as general-purpose polystyrene (GPPS), oriented polystyrene (OPS), impact-resistant polystyrene (HIPS); Polymer (EEA), ethylene-acrylic acid copolymer (EAA), acrylic acid resin such as ethylene-methacrylic acid copolymer (EMAA); polyacrylonitrile (PAN), metal oxides such as alumina, etc. .

本発明のパウチは、水蒸気透過度が2(g/m/24h)以下でかつ、酸素透過度が10(ml/m/24h)以下であるラミネート包材で構成されているものであれば特に限定されない。本願における水蒸気透過度とは、40℃、90%RHの条件下で24時間当たりに1m当りに透過する水蒸気の量(g)であり、感湿センサー法(Lyssy法)、カップ法や赤外センサー法(Moon法)などの公知の方法を活用して測定することができる。また、本願における酸素透過度とは、日本工業規格の「プラスチック・フィルム及びシート・ガス透過度試験法」(JIS K7126)に準じて測定することができる。 The pouch of the present invention may be composed of a laminated packaging material having a water vapor permeability of 2 (g/m 2 /24h) or less and an oxygen permeability of 10 (ml/m 2 /24h) or less. is not particularly limited. The water vapor transmission rate in the present application is the amount (g) of water vapor that permeates per 1 m2 per 24 hours under the conditions of 40°C and 90% RH. It can be measured using a known method such as the external sensor method (Moon method). In addition, the oxygen permeability in the present application can be measured according to Japanese Industrial Standards "Plastic film and sheet gas permeability test method" (JIS K7126).

ラミネートに使用できるフィルム素材としては、特に限定されないが、例えば、ポリエチレン(PE)、二軸延伸ポリプロピレン(OPP)、エチレン酢酸ビニル共重合体(EVA)、リニヤー低密度ポリエチレン(LLDPE)、無延伸ポリプロピレン(CPP)、エチレンビニルアルコール共重合体(EVOH)、延伸ナイロン(ON)、ポリ塩化ビニリデン(PVDC)、バリア性ナイロン、ポリ塩化ビニリデン(PVDC)、メタロセンポリエチレン(別称:スーパーポリエチレン(SPE))、エチレン・アクリル酸エチル共重合体(EEA)、エチレン・アクリル酸共重合体(EAA)、エチレン・メタクリル酸共重合体(EMAA)、アイオノマー、アルミニウム(AL)、ステンレス等の金属箔、アルミナ等の金属酸化物、透明蒸着ポリエチレンテレフタレート(透明VM-PET)、透明蒸着無延伸ポリプロピレン(透明VM-OPP)、アルミニウム蒸着ポリエチレンテレフタレート(ALVM-PET)、アルミニウム蒸着無延伸ポリプロピレン(ALVM-CPP)、アルミニウム蒸着二軸延伸ポリプロピレン(ALVM-OPP)、アルミニウム蒸着ポリエチレン(ALVM-PE)、ポリ塩化ビニリデンコート二軸延伸ポリプロピレン(K-OP)、ポリ塩化ビニリデンコートポリエチレンテレフタレート(K-PET)、ポリ塩化ビニリデンコート延伸ナイロン(K-ON)などが挙げられる。 Film materials that can be used for lamination are not particularly limited, but examples include polyethylene (PE), biaxially oriented polypropylene (OPP), ethylene-vinyl acetate copolymer (EVA), linear low-density polyethylene (LLDPE), and non-oriented polypropylene. (CPP), ethylene vinyl alcohol copolymer (EVOH), oriented nylon (ON), polyvinylidene chloride (PVDC), barrier nylon, polyvinylidene chloride (PVDC), metallocene polyethylene (also known as super polyethylene (SPE)), Ethylene-ethyl acrylate copolymer (EEA), ethylene-acrylic acid copolymer (EAA), ethylene-methacrylic acid copolymer (EMAA), ionomer, aluminum (AL), metal foil such as stainless steel, alumina, etc. Metal oxide, transparent metallized polyethylene terephthalate (transparent VM-PET), transparent metallized unstretched polypropylene (transparent VM-OPP), aluminum metallized polyethylene terephthalate (ALVM-PET), aluminum metallized unstretched polypropylene (ALVM-CPP), aluminum metallized Biaxially oriented polypropylene (ALVM-OPP), aluminized polyethylene (ALVM-PE), polyvinylidene chloride-coated biaxially oriented polypropylene (K-OP), polyvinylidene chloride-coated polyethylene terephthalate (K-PET), polyvinylidene chloride-coated oriented Examples include nylon (K-ON).

水蒸気透過度が2(g/m/24h)以下でかつ酸素透過度が10(ml/m/24h)以下であるラミネート包材の例としては、OPP//ALVM-CPP、OPP/PE/PET/PE/CPP、OPP//ALVM-PET//LLDPE、OPP//ALVM-PET//CP、OPP//EVOH//LLDPE、PET//ALVM-CPP、ALVM//CPP、透明VM-PET//CPP、透明VM-PET//LLDPE、PET//ALVM-PET//CPP、PET//ALVM-PET//EVA、PET//ALVM-PET//PE、PET//ALVM-PET//LLDPE、ON//ALVM-PET//LLDPE、PET/AL/PE、PET/AL/LLDPE、PET/AL/PET/LLDPE、PET/PE/AL/PE/LLDPE、PET//AL//ONY//CPP、ONY//透明VM-PET//LLDPEなどが挙げられる。 Examples of laminated packaging materials having a water vapor permeability of 2 (g/m 2 /24h) or less and an oxygen permeability of 10 (ml/m 2 /24h) or less include OPP//ALVM-CPP and OPP/PE. /PET/PE/CPP, OPP//ALVM-PET//LLDPE, OPP//ALVM-PET//CP, OPP//EVOH//LLDPE, PET//ALVM-CPP, ALVM//CPP, Transparent VM- PET//CPP, Transparent VM-PET//LLDPE, PET//ALVM-PET//CPP, PET//ALVM-PET//EVA, PET//ALVM-PET//PE, PET//ALVM-PET/ /LLDPE, ON//ALVM-PET//LLDPE, PET/AL/PE, PET/AL/LLDPE, PET/AL/PET/LLDPE, PET/PE/AL/PE/LLDPE, PET//AL//ONY //CPP, ONY//Transparent VM-PET//LLDPE and the like.

さらに、合成樹脂容器をパウチ包装する際に、脱酸素剤を入れ、合成樹脂容器と共にパウチに封入すると組成物を構成する成分、特に香料成分の安定性を向上することができるため好ましい。また、パウチは合成樹脂容器を封入するために必要な最低限の大きさに設計することが好ましく、パウチ内の気体をできる限り抜いた状態で封入することがさらに好ましい。これらにより、合成樹脂容器の質量変化をより抑制することができる。 Furthermore, when the synthetic resin container is pouch-packaged, it is preferable to add an oxygen absorber and enclose the synthetic resin container in the pouch together with the synthetic resin container, because this can improve the stability of the components constituting the composition, particularly the perfume component. In addition, the pouch is preferably designed to have the minimum size required to enclose the synthetic resin container, and it is more preferable to enclose the pouch in a state in which gas is removed as much as possible. These can further suppress the change in the mass of the synthetic resin container.

香料および/またはエチルアルコールを配合した組成物としては、人体用若しくは家庭用のケア用品が好ましく、具体的には、練歯磨、パスタ、液体歯磨、洗口剤、含漱剤、マウススプレイ、シャンプー、リンス、ボディシャンプー、洗顔剤、化粧水、ローション、清拭シート剤形化粧品、医療用洗浄剤、洗濯液体洗剤、洗濯用柔軟剤、消臭剤などが挙げられるが、この例に限定されない。 Compositions containing perfume and/or ethyl alcohol are preferably human body or household care products, specifically toothpaste, pasta, liquid toothpaste, mouthwash, rinse, mouthspray, shampoo. , rinses, body shampoos, facial cleansers, lotions, lotions, wipe sheet cosmetics, medical cleaning agents, laundry liquid detergents, laundry softeners, deodorants, etc., but are not limited to these examples.

以下、実施例を挙げて本発明をさらに詳細に説明するが、本発明は下記の例に限定されるものではない。なお、下記における「%」は全て「質量%」を意味する。 EXAMPLES The present invention will be described in more detail below with reference to examples, but the present invention is not limited to the following examples. In addition, "%" in the following all means "mass %."

実施例:放置試験による経時質量減少量の検討
下記に示す処方の洗口剤を調製し、250ml容のポリエチレンテレフタレートボトル(キャップはポリプロピレン製、容器底面は長径約7cm、短径約5cmの楕円形状、高さ約16cm)に250ml充填した。さらに、一部については、PET(12μm)/DL/AL(7μm)/DL/LLDPE(60μm)(DLはドライラミネートの略:水蒸気透過度1以下(g/m/24h)、酸素透過度1以下(ml/m/24h))を用い4方シールにより作成した約12.5cm×約22.5cmの長方形のパウチに封入した。容器および容器を封入したパウチを、各々 本ずつ40℃の恒温条件下で4週間放置する。放置前後で洗口剤を充填したPET製容器の質量を正確に測定し、容器の質量変化率を計算した。その計算結果より、室温(20℃)で5年6ヶ月放置した場合の質量変化量を算出し、その結果を表1に示した。

( 洗口剤の組成 (組成物全量に対する存在比) )
塩化セチルピリジニウム 0.05%
塩化ベンザルコニウム 0.01%
グリチルリチン酸ジカリウム 0.02%
濃グリセリン 10%
エチルアルコール 10%
精製水 残 部
Example: Investigation of weight loss over time by standing test A mouthwash having the formulation shown below was prepared and placed in a 250 ml polyethylene terephthalate bottle (the cap was made of polypropylene, and the bottom of the container was an elliptical shape with a major axis of about 7 cm and a minor axis of about 5 cm). , height about 16 cm) was filled with 250 ml. Furthermore, for some, PET (12 μm) / DL / AL (7 μm) / DL / LLDPE (60 μm) (DL is an abbreviation for dry laminate: water vapor permeability 1 or less (g / m 2 /24 h), oxygen permeability 1 (ml/m 2 /24h)) and enclosed in a rectangular pouch of about 12.5 cm x about 22.5 cm made by four-side sealing. Each of the containers and the pouches containing the containers is left for 4 weeks under a constant temperature condition of 40°C. The mass of the PET container filled with the mouthwash was measured accurately before and after the standing, and the mass change rate of the container was calculated. Based on the calculation results, the amount of change in mass after being left at room temperature (20° C.) for 5 years and 6 months was calculated, and the results are shown in Table 1.

(Composition of mouthwash (abundance ratio with respect to the total amount of composition))
Cetylpyridinium chloride 0.05%
Benzalkonium chloride 0.01%
Dipotassium glycyrrhizinate 0.02%
Concentrated glycerin 10%
Ethyl alcohol 10%
Purified water Balance

Figure 0007267671000001
Figure 0007267671000001

表1に示したとおり、パウチで封入することにより合成樹脂容器中の組成物の組成変化を防止することができることがわかった。

As shown in Table 1, it was found that the composition change of the composition in the synthetic resin container can be prevented by enclosing with the pouch.

Claims (3)

香料および/またはエチルアルコールを配合した、水を溶媒とする液体若しくは液状の組成物が充填されたポリエチレンテレフタレートボトルを、脱酸素剤とともに、水蒸気透過度が2(g/m/24h)以下でかつ酸素透過度が10(ml/m/24h)以下であるラミネート包材(ただし、透明なラミネート包材を除く)で構成されたパウチで、パウチ内の気体をできる限り抜いた状態で包装(ただし、真空包装を除く)した、長期保存用組成物含有包装物。 A polyethylene terephthalate bottle filled with a water-based liquid or liquid composition containing perfume and/or ethyl alcohol, together with an oxygen absorber, having a water vapor transmission rate of 2 (g/m 2 /24h) or less. A pouch composed of a laminated packaging material (excluding transparent laminated packaging material) having an oxygen permeability of 10 (ml/m 2 /24h) or less, and packed in a state in which the gas inside the pouch is removed as much as possible. A package containing a composition for long-term storage (excluding vacuum packaging). 前記組成物が化粧品または口腔用組成物である、請求項1に記載の長期保存用組成物含有包装物。 The long-term storage composition-containing package according to claim 1 , wherein the composition is a cosmetic or oral composition. ラミネート包材が、アルミニウムが用いられたラミネート包材である、請求項1又は2に記載の長期保存用組成物含有包装物。 The composition-containing package for long-term storage according to claim 1 or 2 , wherein the laminated packaging material is a laminated packaging material using aluminum.
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