JP4275823B2 - Cleaning composition - Google Patents

Description

【０００７】
（式中、Ｒ¹ は炭素数７〜２１のアルキル基又はアルケニル基を示し、Ｒ² は水素原子又は炭素数１〜３のアルキル基を示し、Ｍは水素原子、アルカリ金属、アルカリ土類金属、アンモニウム又はアルカノールアンモニウムを示し、ｎは２〜２０の数を示す）
で表わされるポリオキシエチレン脂肪酸アミドエーテルサルフェート型界面活性剤、及び
（Ｂ）炭素数４〜１２のアルキル基又はアルケニル基を有するグリセリルエーテル
を含有する洗浄剤組成物を提供するものである。
【０００８】
【発明の実施の形態】
本発明で用いる成分（Ａ）のポリオキシエチレン脂肪酸アミドエーテルサルフェート型界面活性剤は、前記一般式（１）で表わされるものであり、式中、Ｒ¹ としては炭素数９〜１７のアルキル基又はアルケニル基が好ましく、特に炭素数９〜１３のアルキル基又はアルケニル基が好ましい。Ｒ² としては、水素原子、メチル基、エチル基等が挙げられ、特に水素原子が好ましい。
また、Ｍとしては、水素原子；ナトリウム、カリウム等のアルカリ金属；カルシウム、マグネシウム等のアルカリ土類金属；アンモニウム；トリエタノールアミン等のアルカノールアンモニウムなどが挙げられ、アルカリ金属、特にナトリウムが、起泡性の点で好ましい。
ｎはエチレンオキシド平均付加モル数を示し、２〜１０、特に２〜５が好ましい。
【０００９】
成分（Ａ）の好ましい具体例としては、ポリオキシエチレン（３）ラウリン酸アミドエーテル硫酸ナトリウム、ポリオキシエチレン（３）ヤシ油脂肪酸アミドエーテル硫酸ナトリウム等が挙げられる。
【００１０】
成分（Ａ）は、１種以上を用いることができ、洗浄力及び刺激性の点から全組成中に１〜５０重量％、特に２〜３０重量％、更に３〜２０重量％配合するのが好ましい。
【００１１】
成分（Ｂ）のグリセリルエーテルは、炭素数４〜１２の直鎖又は分岐鎖のアルキル基又はアルケニル基を有するもので、例えばｎ−ブチル基、イソブチル基、ｔｅｒｔ−ブチル基、ｎ−ペンチル基、イソペンチル基、ｎ−ヘキシル基、イソヘキシル基、ｎ−ヘプチル基、ｎ−オクチル基、２−エチルヘキシル基、ｎ−ノニル基、ｎ−デシル基、ｎ−ラウリル基等の炭素数４〜１２のアルキル基を有するものが好ましい。このうち、特に炭素数４〜１１、更に炭素数６〜１０、就中炭素数８のアルキル基を有するモノ又はジグリセリルエーテル、特にモノグリセリルエーテルが好ましい。
【００１２】
成分（Ｂ）のグリセリルエーテルは、１種以上を用いることができ、起泡性の点から全組成中に０．１〜３０重量％、特に０．５〜１５重量％、更に１〜１０重量％配合するのが好ましい。
また、成分（Ａ）と成分（Ｂ）の配合重量比は、洗浄力、刺激性及び起泡性の点から（Ａ）：（Ｂ）＝９９：１〜３０：７０が好ましく、特に９５：５〜５０：５０、更に９０：１０〜６０：４０が好ましい。
【００１３】
本発明の洗浄剤組成物には、更に通常の洗浄剤組成物に用いられる成分、例えばプロピレングリコール、グリセリン、ジエチレングリコールモノエチルエーテル、ソルビトール、パンテノール等の保湿剤；カチオン性ポリマー、シリコーン化合物及びその誘導体等のコンディショニング成分；エチレングリコールステアリン酸エステル等のパール化剤；ポリオキシエチレンアルキルエーテル、アルキルポリグリコシド等のノニオン性界面活性剤；アルキルアミドプロピルベタイン等の両性界面活性剤；成分（Ａ）以外のアニオン性界面活性剤；アルキルトリメチルアンモニウム塩等のカチオン性界面活性剤；染料、顔料等の着色剤；メチルセルロース、ポリエチレングリコール、エタノール等の粘度調整剤；クエン酸、水酸化カリウム等のpH調整剤；塩化ナトリウム等の塩類、植物エキス類、防腐剤、殺菌剤、キレート剤、ビタミン剤、抗炎症剤、抗フケ剤、香料、色素、紫外線吸収剤、酸化防止剤、水などを、適宜配合できる。
【００１４】
本発明の洗浄剤組成物は、常法に従って製造でき、例えばシャンプー、全身洗浄料、洗顔料、手洗い剤等の身体用洗浄剤などの洗浄剤組成物に適用できる。
【００１５】
【発明の効果】
本発明の洗浄剤組成物は、肌に対して低刺激であり、起泡性に優れたものである。
【００１６】
【実施例】
実施例１
表１に示す組成の洗浄剤組成物を常法により製造し、起泡力及び刺激性について評価した。結果を表１に併せて示す。
【００１７】
（評価方法）
（１）起泡力：
専門パネラー１０名により、各洗浄剤組成物１mLを手のひらにとり、水道水で手洗いを行った。このときの泡立ちを、以下の基準で評価した。
○；７名以上が良好と評価した。
△；５〜６名が良好と評価した。
×；４名が以下が良好と評価した。
【００１８】
（２）刺激性：
各洗浄剤組成物の５倍希釈水溶液を調整し、この水溶液１０mLを、１０名の専門パネラーの前腕に設置した直径３．５cmのガラスカップにとり、１日３０分間皮膚と接触させた。これを４日間連続して行った後、皮膚の状態を以下の基準で評価した。
○；落せつが認められるのは５名以下。
△；落せつが認められるのは６名以上であるが、紅斑は認められない。
×；６名以上に落せつ及び紅斑が認められる。
【００１９】
【表１】

【００２０】
実施例２
以下に示す組成の身体洗浄料を常法により製造した。
得られた身体洗浄料は肌に対して低刺激で、良好な泡立ちを示した。

【００２１】
実施例３
以下に示す組成のシャンプーを常法により製造した。
得られたシャンプーは肌に対して低刺激で、良好な泡立ちを示した。

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a detergent composition that is mild to skin and excellent in foaming properties.
[0002]
[Prior art]
Polyoxyethylene fatty acid amide ether sulfate surfactants are known as low-stimulant surfactants for the skin. Was difficult. For this reason, it is necessary to use in combination with other surfactants such as fatty acid soaps, betaine type surfactants, thereby improving foaming properties, but depending on the type of surfactant used in combination, The inherent low irritation of the polyoxyethylene fatty acid amide ether sulfate surfactant is not utilized.
[0003]
[Problems to be solved by the invention]
An object of the present invention is to provide a cleaning composition that is less irritating to the skin and excellent in foaming properties.
[0004]
[Means for Solving the Problems]
The present inventors can use a combination of a specific polyoxyethylene fatty acid amide ether sulfate surfactant and a specific glyceryl ether to produce a cleansing composition that is mild to the skin and excellent in foaming properties. It was found that it can be obtained.
[0005]
The present invention relates to (A) the general formula (1)
[0006]
[Chemical formula 2]

[0007]
(In the formula, R ¹ represents an alkyl group or alkenyl group having 7 to 21 carbon atoms, R ² represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and M represents a hydrogen atom, an alkali metal, or an alkaline earth metal. , Represents ammonium or alkanol ammonium, and n represents a number of 2 to 20)
The detergent composition containing the polyoxyethylene fatty acid amide ether sulfate type | mold surfactant represented by these, and (B) glyceryl ether which has a C4-C12 alkyl group or an alkenyl group is provided.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The component (A) polyoxyethylene fatty acid amide ether sulfate surfactant used in the present invention is represented by the above general formula (1), and in the formula, R ¹ is an alkyl group having 9 to 17 carbon atoms. Alternatively, an alkenyl group is preferable, and an alkyl group or alkenyl group having 9 to 13 carbon atoms is particularly preferable. Examples of R ² include a hydrogen atom, a methyl group, and an ethyl group, and a hydrogen atom is particularly preferable.
Examples of M include hydrogen atoms; alkali metals such as sodium and potassium; alkaline earth metals such as calcium and magnesium; ammonium; alkanolammonium such as triethanolamine, and the like. From the viewpoint of sex.
n represents the average number of moles of ethylene oxide added, and is preferably 2 to 10, particularly 2 to 5.
[0009]
Preferable specific examples of component (A) include polyoxyethylene (3) sodium lauric acid amide ether sulfate, polyoxyethylene (3) coconut oil fatty acid amide ether sodium sulfate and the like.
[0010]
One or more types of component (A) can be used, and from the viewpoint of detergency and irritation, 1 to 50% by weight, particularly 2 to 30% by weight, and further 3 to 20% by weight are incorporated in the total composition. preferable.
[0011]
The glyceryl ether of component (B) has a linear or branched alkyl group or alkenyl group having 4 to 12 carbon atoms, such as an n-butyl group, an isobutyl group, a tert-butyl group, an n-pentyl group, C4-C12 alkyl groups such as isopentyl group, n-hexyl group, isohexyl group, n-heptyl group, n-octyl group, 2-ethylhexyl group, n-nonyl group, n-decyl group, n-lauryl group Those having the following are preferred. Of these, mono- or diglyceryl ethers, particularly monoglyceryl ethers, having an alkyl group having 4 to 11 carbon atoms, more preferably 6 to 10 carbon atoms, and especially 8 carbon atoms are preferred.
[0012]
One or more glyceryl ethers of the component (B) can be used, and from the viewpoint of foaming properties, 0.1 to 30% by weight, particularly 0.5 to 15% by weight, and more preferably 1 to 10% by weight in the total composition. % Is preferable.
The blending weight ratio of the component (A) to the component (B) is preferably (A) :( B) = 99: 1 to 30:70, particularly 95: from the viewpoint of detergency, irritation and foaming. 5:50:50, more preferably 90: 10-60: 40 are preferred.
[0013]
The cleaning composition of the present invention further includes components used in ordinary cleaning compositions, such as humectants such as propylene glycol, glycerin, diethylene glycol monoethyl ether, sorbitol, panthenol; cationic polymers, silicone compounds and their Conditioning components such as derivatives; Pearling agents such as ethylene glycol stearates; Nonionic surfactants such as polyoxyethylene alkyl ethers and alkyl polyglycosides; Amphoteric surfactants such as alkylamidopropyl betaines; Other than component (A) Anionic surfactants; cationic surfactants such as alkyltrimethylammonium salts; colorants such as dyes and pigments; viscosity modifiers such as methylcellulose, polyethylene glycol and ethanol; pH such as citric acid and potassium hydroxide Preparations: Sodium chloride and other salts, plant extracts, antiseptics, bactericides, chelating agents, vitamins, anti-inflammatory agents, anti-dandruff agents, fragrances, pigments, UV absorbers, antioxidants, water, etc. Can be blended.
[0014]
The cleaning composition of the present invention can be produced according to a conventional method, and can be applied to cleaning compositions such as shampoos, whole body cleaning agents, facial cleansers, hand cleaning agents and other body cleaning agents.
[0015]
【The invention's effect】
The cleaning composition of the present invention has low irritation to the skin and is excellent in foaming properties.
[0016]
【Example】
Example 1
A cleaning composition having the composition shown in Table 1 was produced by a conventional method and evaluated for foaming power and irritation. The results are also shown in Table 1.
[0017]
(Evaluation methods)
(1) Foaming power:
Ten professional panelists took 1 mL of each cleaning composition on the palm and hand-washed it with tap water. The foaming at this time was evaluated according to the following criteria.
○: Seven or more people evaluated it as good.
(Triangle | delta); 5-6 persons evaluated it as favorable.
X: Four people evaluated the following as good.
[0018]
(2) Irritation:
A 5-fold diluted aqueous solution of each cleaning composition was prepared, and 10 mL of this aqueous solution was placed in a glass cup having a diameter of 3.5 cm placed on the forearms of 10 professional panelists and contacted with the skin for 30 minutes a day. After performing this continuously for 4 days, the skin condition was evaluated according to the following criteria.
○: No more than 5 people are allowed to drop.
Δ: Dropping is recognized by 6 or more people, but no erythema is observed.
X: Dropping and erythema are observed in 6 or more people.
[0019]
[Table 1]

[0020]
Example 2
A body cleansing composition having the following composition was produced by a conventional method.
The obtained body cleanser was mild to the skin and showed good foaming.

[0021]
Example 3
A shampoo having the composition shown below was produced by a conventional method.
The obtained shampoo was mild to the skin and showed good foaming.

Claims (1)

(A) General formula (1)

(In the formula, R ¹ represents an alkyl or alkenyl group having 7 to 21 carbon atoms, R ² represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and M represents a hydrogen atom, an alkali metal, or an alkaline earth metal. 1 to 50% by weight of a polyoxyethylene fatty acid amide ether sulfate surfactant represented by the formula (1), ammonium or alkanol ammonium, and n represents a number of 2 to 20), and (B) an alkyl having 4 to 12 carbon atoms 0.5 to 15% by weight of glyceryl ether having a group or an alkenyl group, and the blending weight ratio of component (A) to component (B) is (A) :( B) = 95: 5 to 50:50 A cleaning composition .