JPH01135898A - Detergent composition - Google Patents

Abstract

PURPOSE:To obtain a detergent composition, containing an ampholytic surfactant, imidazoline type cationic surfactant and carboxylic acid salt type anionic surfactant at a specific ratio and having rinse effects with hardly any skin irritancy and useful as shampoos, clothes, tablewares, etc. CONSTITUTION:The aimed composition containing (A) normally 0.1-20wt.% ampholytic surfactant, such as 2-undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2- imidazoline sodium, (B) an imidazoline type quaternary ammonium salt type cationic surfactant expressed by the formula (R is 12-22C alkyl or alkenyl; X is halogen, methyl sulfate or ethyl sulfate) and (C) a carboxylic acid salt type anionic surfactant, such as fatty acid soap type, at a molar ratio within the range of 4/6-8/2 of the components (B) to (C) and normally 0.5-20wt.% total amount of the components (B) and (C).

Description

Detailed Description of the Invention [Industrial Application Field] The present invention provides a method for treating hair containing an amphoteric surfactant, an imidapurine type quaternary ammonium salt type cationic surfactant, and a carboxylate type anionic surfactant. The present invention relates to detergent compositions for use in laundry or body shampoos, clothing or dish detergents, and the like.

[Prior Art] Shampoos generally contain anionic surfactants and amphoteric surfactants as the main foaming cleansing agent, but these surfactants alone do not have enough cleaning power for hair. However, the ease of use, especially the ``squeak'' on the hair, was noticeable. In order to solve this "squeak" problem, attempts have been made to add cationic polymers, cationic surfactants, etc. to give hair a rinsing effect such as "smoothness". Polymers have a tendency to accumulate in the hair, and cationic surfactants are irritating to the skin, so the amount that can be incorporated into shampoos has been limited. Therefore, although there is a demand for a product with a high rinsing effect, a shampoo composition with a sufficient rinsing effect has not been obtained so far.

[Problems to be Solved by the Invention] Therefore, the present inventors conducted extensive research in order to obtain a shampoo that has a rinsing effect and is less irritating to the skin. It has been found that a composition obtained by combining an ammonium salt type cationic surfactant and a carboxylate type anionic surfactant in a specific ratio is a cleaning composition that satisfies the above objectives.

Generally, when an anionic surfactant and a cationic surfactant coexist in an aqueous solution, a complex is formed in the crystal phase, the complex becomes a precipitate, and the aqueous solution becomes cloudy or separates. That is, the quaternary ammonium salt type cationic surfactant may be replaced with a sulfonate type such as a higher alkyl sulfonate, a sulfuric acid salt type such as a higher alcohol sulfate ester salt, or a polyoxyethylene alkyl ether phosphate ester salt. When mixed with an anionic surfactant such as a phosphate ester salt type in an aqueous solution, a complex is formed in the crystal phase at any molar ratio, and the complex becomes a precipitate, making the aqueous solution cloudy or separated. For the combination of a quaternary ammonium salt type cationic surfactant and a carboxylate type anionic surfactant, when they coexist in a specific molar ratio in an aqueous solution, a complex occurs in the solution rather than in the crystal phase. Form. This complex is transparent, has an excellent rinsing effect, and is less irritating to the skin. However, although this complex has the above-mentioned advantages, it has the disadvantage that it has inferior foaming power and cleaning power as a general shampoo.As a result of extensive research, the present inventor found that this complex has the following advantages: The present invention was completed by discovering that by adding an amphoteric surfactant to the composition, it is possible to impart cleansing power and foaming power to the composition without sacrificing the benefits of rinsing effect and skin safety.

[Means for Solving the Problems 1] That is, the present invention comprises: (1) one or more amphoteric surfactants; X represents a halogen atom, methyl sulfate, or ethyl sulfate residue.) One or more imidacillin type quaternary ammonium salt type cationic surfactants represented by This is a cleaning composition characterized in that it contains one or more of these agents, and has a molar ratio of ■/■ in the range of 4/6 to 8/2.

Hereinafter, the configuration of the present invention will be explained in detail.

As the amphoteric surfactant used in the present invention, all amphoteric surfactants used in ordinary shampoos can be used. To give a specific example, 2-undecyl-N,
N,N-(hydroxyethylcarboxymethyl)-2-
imidacillin sodium, 2-cocoyl-2-imidazolinium hydroxide-1-carboxyethyloxy-
imidacillin amphoteric surfactants such as 2-sodium;
Examples include betaine-based amphoteric surfactants such as 2-heptadecyl-N-hydroxymethyl-N-hydroxyethylimidazolinium betaine and lauryldimethylaminoacetic acid betaine, as well as alkylbetaines, aminobetaines, amine oxides, and sulfobetaines.

In the present invention, any one or more of these amphoteric surfactants may be selected and used. The blending amount is not particularly limited, but in terms of quantity, it is 0.1 to 20%
The weight is preferably 5 to 15% by weight.

The quaternary ammonium salt type cationic surfactant used as a component of the composition of the present invention has the general formula (wherein R is an alkyl group or alkenyl group having 12 to 22 carbon atoms, and X is a halogen atom or It is one or more types of imidacillin type quaternary ammonium salt type cationic surfactants represented by methyl sulfate or ethyl sulfate residue.

The carboxylate type anionic surfactant used as a component of the composition of the present invention has, for example, the following formula: , an organic amine, or one or more basic amino acids), a fatty acid soap type anionic surfactant represented by the general formula % formula % (wherein R is an alkyl group having 8 to 22 carbon atoms or an ether carboxylate type anionic surfactant represented by an alkylaryl group, n is an integer of 0 or 1 to 16, M is an alkali metal organic amine, or one or more basic amino acids, iii) N- represented by the general formula % formula % (wherein R represents an alkyl group or alkenyl group having 8 to 18 carbon atoms, and M represents one or more types of alkali metals, organic amines, and basic amino acids). Acylsarcosine salt type anionic surfactant or 1v) General formula % Formula % (In the formula, R is an alkyl group or alkenyl group having 8 to 18 carbon atoms, M is an alkali metal, an organic amine, or one or two basic amino acids. In the general formula represented by a condensate of a higher fatty acid and an amino acid such as N-acylglutamate represented by can.

In the present invention, one or more of these may be used.

In the present invention, the molar ratio of ■/■ is in the range of 4/6 to 8/2, preferably in the range of 515 to 7/3. In this composition, if the molar ratio is less than 4/6, the rinsing effect will be poor, and if it exceeds 8/2, the skin will be irritated, which is undesirable. As for the amount, ■
The total amount of +■ is 0.65 to 20% by weight, preferably 1 to 15% by weight, based on the total amount of the composition. If the amount is less than 0.5% by weight, sufficient rinsing effect cannot be obtained due to insufficient surfactant, and if the amount is more than 20% by weight,
It is undesirable because it causes strong irritation to the skin.

In addition to the above-mentioned essential components, the detergent composition of the present invention may also contain components and additives commonly used in detergents. That is, higher alcohols, silicone oils, liquid paraffin, oils such as ester oils, methyl cellulose,
Water-soluble polymers such as hydroxyethylcellulose, cationic polymers such as cationically modified cellulose ether derivatives [Polymer JR (manufactured by Union Carbide Corporation)], polyglycol/polyamine condensates [Polycoat H (manufactured by Henkel Hakusui Co., Ltd.)], polyoxy Ethylene (hereinafter referred to as POE) hydrogenated castor oil, nonionic surfactants such as POE alkyl ether, natural extracts of animals and plants and their derivatives, specific examples include licorice, paprika, muiabu flax, barberry, melaloo chikara, yatori, Malva, Echinacea, Ebisugusa, Fucus, Horsetail, Oat, Oak Monument, Mitorimintha, Narakawa,
Japanese elm, Japanese elm, Japanese elm, bayberry, Japanese elm, Japanese elm, hayflower, baxen, elderberry,
Hokoritachi, cattail, pineapple, cabbage, bald cherry, hachi ginger, mafunori, black moji, papaya,
Milesia, tangerine, mulberry, black-and-white tree, clara, camphor tree, barinshi, chitinori, banana, kouhone,
Black egret, chickweed, aralia, dokudami, azuki bean, dog cherry, yellow dog, eggplant, cherry, juniver, sardine, shea, iris, honeysuckle, sorrel, sagebrush, japonica, celery, geranium, japonica, orchid strawberry, chinsang, Japanese pine, turmeric, dead nettle, tea, orange, sage, Japanese ivy, Western elderberry, Japanese juniper, Japanese yarrow, Japanese peppermint, Japanese mistletoe, mallow, nebula, Japanese chinensis, Japanese cabbage, thyme, clove, chin and seaweed, Chlorella, Angelica extract, Calendula, Spruce, Tomato,
Hypericum, perforatum, tormenchilla, carrot, garlic, wild rose, birch, parsley, gentian, Japanese radish, ononis, hamamelis, rose, fennel, horsetail, saffron, Dutch mustard, soapwort, hawthorn, sagebloom, loquat, sanchanthus, butcher bloom, grapes, Grape leaf, Pei, ivy, loofah, water-soluble lily, nettle, bodega, hop, Japanese cabbage, shiitake, matsucasa, horse chestnut, Japanese apricot, sapin, melissa, melilot, peach, cornflower, eucalyptus, rhododendron, citrus, saxifrage, oil-soluble Arnica, oil-soluble calendula, oil-soluble hemlock, oil-soluble wild rose, brown oat, valerian, oil-soluble sagebrush, lily, iodized garlic, mugwort, perilla, chinensis, chamomilla, spirea, apple, oat, peony, anth , Lettuce, Rosemary, Lemon, Roman chamomile, Gingerbread, Eimitsu, Waremokou, Birch, Kinojigo, Stevia, Water-soluble Alnica, Scutellariae,
Ivy, cinchona, cucumber, aloe, burdock, gardenia, grapefruit, auricularis, orensis, anthracola, red grape, acacia, althea, amacha, ginger, capsicum tincture, rosin, natural rubber latex, gum arabic, ictamol, cantharis tincture, bukuriyo , oyster mushrooms, oysters, collagen, bifidobacteria, pectin, yeast, royal jelly, water-soluble brassenta extract, honey, shellac, etc., organic acids such as citric acid and lactic acid, sodium chloride,
Inorganic salts such as potassium chloride, fragrances, coloring agents, preservatives, chelating agents, ultraviolet absorbers, etc. may be added as appropriate to the extent that they do not impair the effects of the present invention.

[Example] Next, the present invention will be explained in more detail with reference to Examples. The present invention is not limited thereby. The effects were measured using the following test methods and evaluation methods.

Test method, evaluation method (1) Rinse effect Rinse effect is "smoothness", "gloss", "combability"
The survey was conducted using a panel of 15 women for each of the three items.

12 g of the sample was actually applied directly to the hair, rinsed with warm water, air-dried, and evaluated for each item based on sensory evaluation. Evaluation was performed on a four-level scale. 0 if extremely good;
If it was good, it was shown as △ if it was Q4, and if it was bad, it was shown as ×.

(2) Skin irritation It is known that skin irritation can be evaluated by the strength of the protein denaturation power (protein denaturation rate) of surfactants and surfactant compositions (Japanese Patent Publication No. 59-42038).
The skin irritation of the composition of the present invention was evaluated based on the protein denaturation rate based on this evaluation method.

Protein Denaturation Rate Utilizing aqueous high-performance liquid chromatography, the ovalbumin denaturation rate was measured using an absorption peak at 220 nm when a sample was added to an ovalbumin pH 7 buffered solvent at a sample concentration of 1%.

Ho: height H of the 220 nm absorption peak of ovalbumin
8: 220 when sample is added to ovalbumin buffer solvent
The height of the nm absorption peak was evaluated using the following four-level evaluation.

0...Very low skin irritation - Ovalbumin denaturation rate less than 30% O...Low skin irritation - Ovalbumin denaturation rate 30% or more and less than 60% △... ...moderate skin irritation - ovalbumin denaturation rate of 60% or more and less than 80% ×...strong skin irritation - ovalbumin denaturation rate of 80% or more - - 11-7 (Table-1) A cleaning composition having the composition described in the above was prepared, and its rinsing effect and skin irritation were evaluated (Table 1).
is shown together with a comparative example. Examples in which additives and the like were added are also described.

The imidacillin quaternary ammonium salt type cationic surfactants used in Examples 1 to 9 and Comparative Examples 1 to 7 were as follows:
It is represented by the following general formula.

(Left below) To prepare a shampoo for hair consisting of the following formulation: cationic surfactant/anionic surfactant molar ratio 6/4)
, evaluated in the same manner as in Examples 1 to 7.

(Weight %) 2-Undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2-imidacillin sodium 15.0 Polymer J R-4000,2 (manufactured by Union Carbide) Imidapurine type quaternary ammonium Salt-type cationic surfactant [R=16 (average molecular ff1627) 3.7
6 Sodium lauroylalanine 1.23 (
Average molecular ffi 307) Propylene glycol 5.0 Polyoxyethylene (average 40 mol) Hydrogenated castor oil derivative 2.0 Coloring agent, fragrance
Appropriate amount of ion exchange water
Residue: This shampoo for hair had an excellent rinsing effect and was less irritating to the skin.

Prepare a body shampoo with the following composition: cationic surfactant/anionic surfactant molar ratio 7/3
), and evaluated in the same manner as in Examples 1 to 8.

(1% by weight) Betaine lauryl dimethylaminoacetate 10.0 Imidacillin type quaternary ammonium salt type cationic surfactant [R = 20 (average molecular weight 739) 1 5.17 Sodium lauroyl sarcosinate (average molecular weight 310) 0.03 Propylene glycol 8.0 Aloe extract 0.5 Coloring agent, fragrance
Appropriate amount of preservatives and chelating agents
Appropriate amount of ion exchange water
Residue This body shampoo had an excellent rinsing effect and was less irritating to the skin.

Prepare a body shampoo with the following composition in a 3L dish: Cationic surfactant/anionic surfactant molar ratio 7/3
), and evaluated in the same manner as in Examples 1 to 9.

(% by weight) 2-Undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2-imidacillin sodium 20.0 Polycoat H2°0 Imidacillin type quaternary ammonium salt type cationic surfactant (formula below) % formula % lauroyl alanine nato (average molecular ffi 30?) 0.92
Propylene glycol 3.0 colorant,
Fragrance Appropriate amount Ion exchange water
Residue: This shampoo for hair had a rinsing effect and was less irritating to the skin.

[Effects of the Invention] The cleaning composition of the present invention has an excellent rinsing effect and is less irritating to the skin.

Patent applicant: Shiseido Co., Ltd.

Claims (1)

[Claims] (1) One or more amphoteric surfactants, and (2) General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (In the formula, R is an alkyl group or alkenyl group having 12 to 22 carbon atoms, and X is , a halogen atom, methyl sulfate or ethyl sulfate residue); and (3) a carboxylate type anionic surfactant. containing one or more types of agents, and the molar ratio of (2)/(3) is 4/6 to 8/2.
A cleaning composition characterized in that it is in the range of.