JP3563796B2 - Liquid detergent in plastic sachet - Google Patents
Liquid detergent in plastic sachet Download PDFInfo
- Publication number
- JP3563796B2 JP3563796B2 JP33059894A JP33059894A JP3563796B2 JP 3563796 B2 JP3563796 B2 JP 3563796B2 JP 33059894 A JP33059894 A JP 33059894A JP 33059894 A JP33059894 A JP 33059894A JP 3563796 B2 JP3563796 B2 JP 3563796B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid detergent
- plastic
- film
- sachet
- density polyethylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Description
【0001】
【産業上の利用分野】
本発明は、液体洗浄剤をプラスチック製小袋に収容した場合に、長期保存時、特に屋外保存時において発生するゲル状塊(ダマ)の生成を防止する安定な小袋入り組成物に関するものである。
【0002】
【従来の技術】
従来、液体洗浄剤はワンウェイタイプのプラスチックボトルに充填・包装されていたが、近年、省資源やプラスチックゴミ問題の観点から、薄いプラスチックフィルムの小袋に詰めた詰め替え用液体洗浄剤が求められている。これらプラスチックフィルム製小袋がガス透過性であるためか、小袋入りの詰め替え用液体洗浄剤は、長期保存により、特に屋外保存時に小袋内にダマが発生して商品価値が著しく損なわれていた。
【0003】
【発明が解決しようとする課題】
本発明は、屋外保存時でも小袋内にダマを発生させない安定な小袋入り液体洗浄剤を提供する事を目的とする。
【0004】
【課題を解決するための手段】
本発明は、特定の合成樹脂積層複合フィルムよりなる小袋に収容される非イオン界面活性剤を主剤としエタノールを含有する液体洗浄剤において、特定のアニオン界面活性剤とカチオン界面活性剤を用いることにより、保存下でのダマ発生を防止する事を見出し本発明を完成するに至った。
【0005】
すなわち本発明の小袋入り液体洗浄剤は、少なくとも2層のプラスチック製フィルムを積層した複合フィルム基材からなる小袋内に、液体洗浄剤組成物を収容した小袋入り液体洗浄剤であって、
前記複合フィルム基材は、袋内面側最内層が直鎖状低密度ポリエチレンフィルムからなり、この袋外面側に補強用プラスチックフィルムが積層されてなり、
また、前記液体洗浄剤は、非イオン界面活性剤を主剤としエタノールを含有する液体洗浄剤であって
(a)直鎖アルキルベンゼンスルホン酸塩と
(b)下記化2の一般式(1)で示されるカチオン界面活性剤
【0006】
【化2】
(R1R2:メチル基または炭素数14〜22のアルキル基またはアルケニル基を示し、R1とR2が同時にメチル基となることはない。
X:陰イオン)
とを含有する事を特徴とする。
【0007】
【発明の実施態様】
本発明に用いられる主剤である非イオン界面活性剤は特に限定されるものではなく、例えば以下のものが挙げられる。
【0008】
1)炭素数8〜18の1級または2級アルコールにエチレンオキサイド(EO)及び/又はプロピレンオキサイド(PO)を平均6〜18モル付加したポリオキシアルキレンアルキルまたはアルケニルエーテル、
2)炭素数8〜22の脂肪酸にエチレンオキサイド(EO)及び/又はプロピレンオキサイド(PO)を平均6〜18モル付加したポリオキシアルキレンアルキルまたはアルケニル脂肪酸エステルまたはその低級アルコールエーテル、
【0009】
3)平均炭素数6〜12のアルキル基を有しエチレンオキサイドを平均6〜20モル付加したポリオキシエチレンアルキルフェニルエーテル、
4)プロピレンオキサイドとプロピレングリコールとの縮合物にエチレンオキサイドを付加したもの(プルロニック型界面活性剤)、
【0010】
5)プロピレンオキサイドとエチレンジアミンとの縮合物にエチレンオキサイドを付加したもの(テトロニック型界面活性剤)、
6)平均炭素数10〜20の脂肪酸と蔗糖とのエステル、
7)平均炭素数10〜20の脂肪酸グリセリンモノエステル、
【0011】
8)炭素数10〜20のアルキル基またはアルケニル基を有するアルキルまたはアルケニルアミンオキサイド、
9)炭素数8〜20のアルキルポリグリコシド
これらのアルキル基またはアルケニル基は直鎖または分岐鎖の何れであっても良い。
【0012】
これらのうち上記1)または2)の非イオン界面活性剤が好ましく、さらに好ましくは上記1)の非イオン界面活性剤である。
これらは、単独で用いてもよく2種類以上組み合わせて用いても良い。
本発明の液体洗浄剤組成物において、非イオン界面活性剤の配合量は特に限定されるものではないが、好ましくは15重量%〜50重量%の範囲で用いられる。
【0013】
本発明中のエタノールの配合量としては特に限定されるものではないが、好ましくは1重量%〜8重量%、さらに好ましくは2重量%〜6重量%の範囲で用いられる。
【0014】
本発明の(a)成分としては直鎖アルキルベンゼンスルホン酸塩が用いられ、アルキル基の炭素数は8〜16の範囲が好適であり、これはナトリウム塩、カリウム塩、アルカノールアミン塩、アンモニウム塩などの水溶性塩のいずれであっても良い。(a)成分の配合量としては特に限定はないが、好ましくは0.5重量%〜10重量%、さらに好ましくは1重量%〜6重量%の範囲で用いられる。
【0015】
本発明の(b)成分としては一般式(1)で示されるカチオン界面活性剤が用いられる。具体的にはモノアルキルまたはモノアルケニルトリメチルアンモニウム塩あるいはジアルキルまたはジアルケニルジメチルアンモニウム塩が挙げられ、これらは塩酸塩、硫酸塩などのいずれであっても良い。
(b)成分の配合量としては特に限定はないが、好ましくは0.3重量%〜10重量%、さらに好ましくは0.5重量%〜5重量%の範囲で用いられる。
【0016】
さらに、本発明の液体洗浄剤組成物においては、通常洗浄剤組成物に用いられている種々の添加剤、例えば、多価アルコール、低級アリールスルホン酸塩などのハイドロトロープ剤、安息香酸塩、イソチアゾロン化合物などの防腐剤、高級アルキルまたは高級アルケニルアミン塩やシリコーン等の風合い改良剤、苦味催吐剤等の誤飲防止剤、色素、香料、酸化防止剤などを必要に応じて添加することもできる。
【0017】
本発明の小袋は、合成樹脂製の積層フィルム基材を袋状に成形して得られる。この積層フィルム基材は、袋内面側に位置する最内層が直鎖状低密度ポリエチレンからなり、その外層側に袋としての機械的強度を得るために補強フィルム層が1層または2層以上積層されてなる。
【0018】
補強フィルム層は、機械的強度が大きいフィルムからなり、例えばナイロン系樹脂、ポリビニルアルコール系樹脂、ポリエチレン系樹脂、ポリプロピレン系樹脂などの合成樹脂からなる延伸フィルムが用いられる。
【0019】
直鎖状低密度ポリエチレンフィルムの厚さは、50〜300μmが好適であり、好ましくは90〜150μm、さらに好ましくは130〜150μmが好適である。
一方、補強フィルムの厚さは一層分の厚みとして10〜30μmが好適であり、好ましくは15〜20μmである。
【0020】
【発明の効果】
本発明によれば、非イオン界面活性剤を主剤としエタノールを含有する液体洗浄剤において、特定のアニオン界面活性剤と特定のカチオン界面活性剤を組合せて液体洗浄剤組成物とし、この組成物を特定の複合フィルム基材からなるプラスチック製小袋に充填することにより、長期保存時、特に屋外保存にて小袋内壁にダマが発生する事が防止され、小袋入りの洗浄剤の商品価値を高めることができる。
【0021】
【実施例】
以下、実施例によって本発明を具体的に説明するが本発明は以下の実施例に限定されるものではない。
【0022】
《ダマの評価方法》
容積600mLの小袋に洗浄剤組成物を充填してサンプルとする。このサンプルを屋上にて斜めに倒して静置し、30日間放置し、ダマの発生状況を下記の基準にて評価する。
○:ダマが認められない
×:ダマが認められる
【0023】
実施例1〜10
以下の合成樹脂フィルムを用いて、直鎖状低密度ポリエチレンフィルムが最内層となるようにヒートシールして小袋(容積600mL)を作成し、この中に表1および表2に示した液体洗浄剤組成物を充填して、小袋入り液体洗浄剤を製造し、ダマの発生を評価した。結果を表1および表2に示した。
【0024】
積層フィルムI
延伸ナイロン(15μm)/延伸ナイロン(15μm)/直鎖状低密度ポリエチレン(130μm)
【0025】
積層フィルムII
延伸ナイロン(15μm)/高密度ポリエチレン(20μm)/直鎖状低密度ポリエチレン(130μm)
【0027】
積層フィルムIV
延伸ポリエチレンテレフタレート(20μm)/直鎖状低密度ポリエチレン(130μm)
【0028】
積層フィルムV
延伸ポリプロピレン(20μm)/エチレン−ビニルアルコールポリマー(16μm)/直鎖状低密度ポリエチレン(130μm)
【0029】
積層フィルムVI
延伸ポリビニルアルコール(20μm)/直鎖状低密度ポリエチレン(130μm)
上記において括弧内はフィルムの厚さを示し、また、エチレン−ビニルアルコールコポリマーは中間層にのみ使用される。
【0030】
【表1】
【0031】
【表2】
[0001]
[Industrial applications]
The present invention relates to a stable pouched composition that prevents the formation of gel-like lumps (dama) generated during long-term storage, particularly when stored outdoors, when a liquid detergent is contained in a plastic pouch.
[0002]
[Prior art]
Conventionally, liquid detergents have been filled and packaged in one-way plastic bottles, but in recent years, from the viewpoint of resource saving and the problem of plastic trash, refillable liquid detergents packed in thin plastic film sachets have been required. . Perhaps because these plastic film pouches are gas-permeable, the refillable liquid detergent in the pouches suffers from lumps in the pouches during long-term storage, particularly during outdoor storage, and the commercial value has been significantly impaired.
[0003]
[Problems to be solved by the invention]
SUMMARY OF THE INVENTION An object of the present invention is to provide a stable liquid detergent in a small bag that does not generate lumps in the small bag even when stored outdoors.
[0004]
[Means for Solving the Problems]
The present invention uses a specific anionic surfactant and a cationic surfactant in a liquid detergent containing ethanol mainly containing a nonionic surfactant contained in a small bag made of a specific synthetic resin laminated composite film. The present inventors have found that lump generation during storage is prevented, and have completed the present invention.
[0005]
That is, the sacheted liquid detergent of the present invention is a sachet containing a liquid detergent composition in a sachet composed of a composite film substrate obtained by laminating at least two layers of plastic films,
The composite film substrate, the innermost layer on the bag inner surface side is made of a linear low-density polyethylene film, and a reinforcing plastic film is laminated on the bag outer surface side,
The liquid detergent is a liquid detergent containing a nonionic surfactant as a main component and containing ethanol, and is represented by (a) a linear alkylbenzene sulfonate and (b) a general formula (1) represented by the following chemical formula (2). Cationic surfactants
Embedded image
(R 1 R 2 represents a methyl group or an alkyl group or an alkenyl group having 14 to 22 carbon atoms, and R 1 and R 2 are not simultaneously a methyl group.
X: anion)
And is characterized by containing.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
The nonionic surfactant which is the main agent used in the present invention is not particularly limited, and examples thereof include the following.
[0008]
1) polyoxyalkylene alkyl or alkenyl ether obtained by adding an average of 6 to 18 moles of ethylene oxide (EO) and / or propylene oxide (PO) to a primary or secondary alcohol having 8 to 18 carbon atoms;
2) polyoxyalkylene alkyl or alkenyl fatty acid ester obtained by adding an average of 6 to 18 moles of ethylene oxide (EO) and / or propylene oxide (PO) to a fatty acid having 8 to 22 carbon atoms, or a lower alcohol ether thereof;
[0009]
3) polyoxyethylene alkylphenyl ether having an alkyl group having an average of 6 to 12 carbon atoms and having an average of 6 to 20 moles of ethylene oxide added thereto;
4) a product obtained by adding ethylene oxide to a condensate of propylene oxide and propylene glycol (pluronic surfactant);
[0010]
5) a product obtained by adding ethylene oxide to a condensate of propylene oxide and ethylenediamine (tetronic surfactant);
6) esters of fatty acids having an average of 10 to 20 carbon atoms and sucrose;
7) fatty acid glycerin monoester having an average of 10 to 20 carbon atoms,
[0011]
8) an alkyl or alkenylamine oxide having an alkyl or alkenyl group having 10 to 20 carbon atoms,
9) C8-C20 alkyl polyglycoside These alkyl groups or alkenyl groups may be linear or branched.
[0012]
Among these, the nonionic surfactants of the above 1) or 2) are preferable, and the nonionic surfactants of the above 1) are more preferable.
These may be used alone or in combination of two or more.
In the liquid detergent composition of the present invention, the amount of the nonionic surfactant is not particularly limited, but is preferably in the range of 15% by weight to 50% by weight.
[0013]
The blending amount of ethanol in the present invention is not particularly limited, but is preferably in the range of 1% by weight to 8% by weight, more preferably 2% by weight to 6% by weight.
[0014]
As the component (a) of the present invention, a linear alkylbenzene sulfonate is used, and the alkyl group preferably has 8 to 16 carbon atoms, such as a sodium salt, a potassium salt, an alkanolamine salt, and an ammonium salt. May be any of the water-soluble salts. The amount of component (a) is not particularly limited, but is preferably in the range of 0.5% by weight to 10% by weight, more preferably 1% by weight to 6% by weight.
[0015]
As the component (b) of the present invention, a cationic surfactant represented by the general formula (1) is used. Specific examples include a monoalkyl or monoalkenyltrimethylammonium salt or a dialkyl or dialkenyldimethylammonium salt, which may be any of a hydrochloride, a sulfate and the like.
The amount of component (b) is not particularly limited, but is preferably in the range of 0.3% by weight to 10% by weight, more preferably 0.5% by weight to 5% by weight.
[0016]
Further, in the liquid detergent composition of the present invention, various additives usually used in the detergent composition, for example, polyhydric alcohols, hydrotropes such as lower aryl sulfonates, benzoates, isothiazolones Preservatives such as compounds, texture improvers such as higher alkyl or higher alkenylamine salts and silicones, accidental ingestion inhibitors such as bitter emetics, pigments, fragrances, antioxidants and the like can be added as required.
[0017]
The pouch of the present invention is obtained by molding a synthetic resin laminated film substrate into a bag shape. In this laminated film substrate, the innermost layer located on the inner surface side of the bag is made of linear low-density polyethylene, and one or more reinforcing film layers are laminated on the outer layer side in order to obtain mechanical strength as a bag. Being done.
[0018]
The reinforcing film layer is made of a film having high mechanical strength, and for example, a stretched film made of a synthetic resin such as a nylon-based resin , a polyvinyl alcohol-based resin, a polyethylene-based resin, or a polypropylene-based resin is used.
[0019]
The thickness of the linear low-density polyethylene film is preferably from 50 to 300 μm, preferably from 90 to 150 μm, and more preferably from 130 to 150 μm.
On the other hand, the thickness of the reinforcing film is preferably from 10 to 30 μm, more preferably from 15 to 20 μm, as the thickness of one layer.
[0020]
【The invention's effect】
According to the present invention, in a liquid detergent containing a nonionic surfactant as a main component and ethanol, a liquid detergent composition is obtained by combining a specific anionic surfactant and a specific cationic surfactant, and this composition is prepared. By filling plastic bags made of a specific composite film base, it is possible to prevent lumps from forming on the inner walls of the bags during long-term storage, especially during outdoor storage, and to increase the commercial value of the cleaning agents in the bags. it can.
[0021]
【Example】
Hereinafter, the present invention will be specifically described with reference to examples, but the present invention is not limited to the following examples.
[0022]
《Dama evaluation method》
A cleaning composition is filled into a small bag having a capacity of 600 mL to prepare a sample. This sample is tilted obliquely on a rooftop, allowed to stand still, and left for 30 days.
:: No lumps are recognized. X: Lumps are recognized.
Examples 1 to 10
Using the following synthetic resin film, a small bag (volume: 600 mL) was prepared by heat-sealing the linear low-density polyethylene film so as to be the innermost layer, in which the liquid detergent shown in Table 1 and Table 2 was prepared. The composition was filled to produce a pouched liquid detergent, and the generation of lumps was evaluated. The results are shown in Tables 1 and 2.
[0024]
Laminated film I
Stretched nylon (15 μm) / stretched nylon (15 μm) / linear low-density polyethylene (130 μm)
[0025]
Laminated film II
Stretched nylon (15 μm) / high density polyethylene (20 μm) / linear low density polyethylene (130 μm)
[0027]
Laminated film IV
Stretched polyethylene terephthalate (20 μm) / linear low-density polyethylene (130 μm)
[0028]
Laminated film V
Stretched polypropylene (20 μm) / ethylene-vinyl alcohol polymer (16 μm) / linear low-density polyethylene (130 μm)
[0029]
Laminated film VI
Stretched polyvinyl alcohol (20 μm) / linear low density polyethylene (130 μm)
In the above, the value in parentheses indicates the thickness of the film, and the ethylene-vinyl alcohol copolymer is used only for the intermediate layer.
[0030]
[Table 1]
[0031]
[Table 2]
Claims (1)
前記複合フィルム基材は、袋内面側最内層が直鎖状低密度ポリエチレンフィルムからなり、この袋外面側に補強用プラスチックフィルムが積層されてなり、
また、前記液体洗浄剤は、非イオン界面活性剤を主剤としエタノールを含有する液体洗浄剤であって
(a)直鎖アルキルベンゼンスルホン酸塩と
(b)下記化1の一般式(1)で示されるカチオン界面活性剤
X:陰イオン)
とを含有する事を特徴とするプラスチック製小袋入り液体洗浄剤。A sachet containing a liquid detergent composition in a sachet consisting of a composite film substrate obtained by laminating at least two layers of plastic films,
The composite film substrate, the innermost layer on the bag inner surface side is made of a linear low-density polyethylene film, and a reinforcing plastic film is laminated on the bag outer surface side,
Further, the liquid detergent is a liquid detergent containing a nonionic surfactant as a main component and containing ethanol, and comprises (a) a linear alkylbenzene sulfonic acid salt and (b) a compound represented by the following general formula (1). Cationic surfactant
X: anion)
Liquid detergent in a plastic pouch, characterized by containing:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33059894A JP3563796B2 (en) | 1994-12-06 | 1994-12-06 | Liquid detergent in plastic sachet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33059894A JP3563796B2 (en) | 1994-12-06 | 1994-12-06 | Liquid detergent in plastic sachet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08157898A JPH08157898A (en) | 1996-06-18 |
| JP3563796B2 true JP3563796B2 (en) | 2004-09-08 |
Family
ID=18234451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33059894A Expired - Fee Related JP3563796B2 (en) | 1994-12-06 | 1994-12-06 | Liquid detergent in plastic sachet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3563796B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4112102B2 (en) * | 1998-12-07 | 2008-07-02 | 花王株式会社 | Liquid detergent product |
| JP2000169895A (en) * | 1998-12-09 | 2000-06-20 | Kao Corp | Liquid detergent in bag-shaped container |
| JP4048009B2 (en) * | 1999-09-30 | 2008-02-13 | ライオン株式会社 | Liquid detergent composition |
-
1994
- 1994-12-06 JP JP33059894A patent/JP3563796B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08157898A (en) | 1996-06-18 |
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