Liquid detergent composition for tableware

Abstract

To provide a liquid detergent composition for tableware that allows users to feel favorable tactile sensation on the hands after dishwashing (such as absence of residue, dryness and tightness), and that can achieve both detergency against oily stains and absence of sliminess after dishwashing.SOLUTION: A liquid detergent composition for tableware comprises: a component (A) being an anionic surfactant; a component (B) being an amine oxide-type surfactant and / or amphoteric surfactant; and a component (C) being a nonionic surfactant having a HLB value of 11 or more and represented by the general formula (c1) defined by CH3-CH(CH3)-R1-O-(R2O)n-H (where R1 is a divalent hydrocarbon group having 7 to 17 carbon atoms, R2 is a divalent hydrocarbon group having 1 to 3 carbon atoms, and n is an average repetition number from 8 to 60), where the content of component (A) is 18 mass% or less relative to the total mass of the liquid detergent composition for tableware.SELECTED DRAWING: None

Description

Technical Field

[0001] The present invention relates to a liquid detergent composition for tableware.

Background Art

[0002] Conventionally, dishwashing detergents for handwashing dishes have been required to effectively remove oil stains, while mildness to the skin has also been required as an important performance. Factors leading to mildness to the skin include a "retention feeling" where the base agent is felt to remain and be protected on the skin surface, the "absence of tightness" of the skin after dishwashing, and the "absence of stickiness (dry feeling)" of the skin. It is desired to be able to experience these. In addition, the slimy feeling during the rinsing step in particular during dishwashing leads to an increase in the dish rinsing time, so it is desired to be suppressed from the viewpoints of water conservation and time saving.

[0003] Patent Document 1 discloses a kitchen liquid detergent composition that is excellent in skin mildness and dryness suppression by combining (A) an anionic surfactant, (B) an amine oxide type surfactant, (C) a linear nonionic surfactant, and (D) sodium lactate. Patent Document 2 discloses a formulation of a hard surface cleaner in which (C) a branched nonionic surfactant with a low HLB value is combined with an anionic surfactant and an amine oxide type surfactant.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0005] However, the composition of Reference Document 1 has a problem in that the feeling of stickiness is small and a feeling of slipperiness is felt during rinsing. Further, the composition of Reference Document 2 has a problem in that the feeling of stickiness is small and a strong feeling of squeak (tightness) is felt. Therefore, an object of the present invention is to provide a liquid detergent composition for tableware that can give a realistic feeling of the touch of the hand after washing tableware (feeling of stickiness, lack of dryness, lack of squeak (tightness)), and can achieve both detergency against oil stains and lack of slipperiness after washing tableware.

Means for Solving the Problems

[0006] The present invention has the following aspects. <1> (A) component: an anionic surfactant, and (B) component: at least one selected from the group consisting of an amine oxide type surfactant and an amphoteric surfactant, and (C) component: a nonionic surfactant represented by the following general formula (c1) having an HLB value of 11 or more, and includes, A liquid detergent composition for tableware, wherein the content of the (A) component is 18% by mass or less based on the total mass of the liquid detergent composition for tableware. CH3-CH(CH3)-R 1 -O-(R 2 O) n -H ···(c1) (In the general formula (c1), R 1 is a divalent hydrocarbon group having 7 to 17 carbon atoms, R 2 is a divalent hydrocarbon group having 1 to 3 carbon atoms, n is the average number of repetitions, and is a number from 8 to 60.) <2> The liquid detergent composition for tableware according to <1>, wherein the mass ratio represented by the (A) component / (C) component is 2.5 to 8. <3> (D) component: The liquid detergent composition for tableware according to <1> or <2>, further comprising a hydroxy acid or a salt thereof.

Effects of the Invention

[0007] According to the liquid detergent composition for tableware of the present invention, the tactile sensation of the hands after washing tableware (lack of stickiness, lack of bulkiness (dry feeling), lack of squeak (tightness)) can be felt, and both the detergency against oil stains and the lack of stickiness after washing tableware can be achieved.

Mode for Carrying Out the Invention

[0008] (Liquid Detergent Composition for Tableware) The liquid detergent composition for tableware of the present invention (hereinafter, also simply referred to as "liquid detergent composition") contains component (A), component (B), and component (C).

[0009] <Component (A)> Component (A) is an anionic surfactant. By containing component (A), the tactile sensation of the hands after washing tableware (lack of stickiness, lack of squeak (tightness)) can be felt, and both the detergency against oil stains and the lack of stickiness after washing tableware can be achieved.

[0010] As component (A), it is one or more anionic surfactants selected from sulfonate-type anionic surfactants, sulfate ester salt-type anionic surfactants, fatty acid salt-type anionic surfactants, phosphate ester salt-type anionic surfactants, sulfosuccinate salt-type anionic surfactants, and amino acid-based anionic surfactants. The anionic surfactant may be used alone or in an appropriate combination of two or more.

[0011] Examples include polyoxyalkylene alkyl ether sulfate ester or its salt, alkane sulfonic acid having an alkyl group or its salt, linear alkylbenzene sulfonic acid or its salt, olefin sulfonic acid or its salt, etc. Polyoxyalkylene alkyl ether sulfate ester or its salt, alkane sulfonic acid having an alkyl group or its salt, and olefin sulfonic acid or its salt are more preferable, and polyoxyalkylene alkyl ether sulfate ester or its salt is particularly preferable.

[0012] Examples of the polyoxyalkylene alkyl ether sulfate or a salt thereof include the compounds represented by the following general formula (a1). R 1 -O-(EO) p -SO3 - M + (a1) [In general formula (a1), R 1 is a linear alkyl group having 8 to 18 carbon atoms, and the carbon atom bonded to the oxygen atom is the primary carbon atom; EO is an oxyethylene group; p is the average number of moles of EO added; 0 <p≦4である。M + is a cation other than hydrogen.

[0013] M + Examples of the cations include alkali metal ions, alkaline earth metal ions, ammonium ions, and protonated ethanolamines. Examples of the alkali metal ions include sodium ions and potassium ions. Examples of the alkaline earth metal ions include calcium ions and magnesium ions. Examples of the protonated ethanolamines include alkanolamine salts such as diethanolammonium and triethanolamine. + When is a divalent or higher cation, M + The number is multiplied by 1 / valence -SO3 - For example, M + If is a magnesium ion, M + The number of is 1 / 2. + As the cation, an alkali metal ion is preferable, and a sodium ion or a potassium ion is more preferable.

[0014] R 1 The number of carbon atoms in R is preferably 10 to 14, and more preferably 12 to 14. 1 is preferably an alkyl group derived from a fat or oil raw material. An especially preferred component (A) is polyoxyethylene (1) linear alkyl (C12 / 14=75 / 25; derived from natural fats and oils) sulfate sodium salt. In addition, the numerical value within parentheses following "polyoxyethylene" represents the average number of repeating units of the oxyethylene group (i.e., the average number of moles of ethylene oxide added). Also, the number following "C" such as "C12" represents the number of carbon atoms.

[0015] Examples of the alkane sulfonic acid or its salt having an alkyl group include alkane sulfonic acids or their salts having 10 to 20 carbon atoms, preferably alkane sulfonic acids or their salts having 14 to 17 carbon atoms, and particularly preferably secondary alkane sulfonic acids (SAS) or their salts having 14 to 17 carbon atoms. Examples of the SAS salt include sodium salts and the like.

[0016] Examples of the olefin sulfonic acid or its salt include α-olefin sulfonic acid or its salt and internal olefin sulfonic acid or its salt. The α-olefin sulfonic acid is an olefin sulfonic acid having a carbon-carbon double bond at the 1-position (α-position). The number of carbon atoms is preferably 10 to 20, more preferably 10 to 16. The internal olefin sulfonic acid is an olefin sulfonic acid having a carbon-carbon double bond at a position other than the α-position. The number of carbon atoms of the olefin sulfonic acid is preferably 16 to 24, more preferably 16 to 18.

[0017] As the linear alkylbenzene sulfonic acid (LAS) salt, a linear alkylbenzene sulfonic acid or its salt having 8 to 16 carbon atoms in the linear alkyl group is preferred, and a linear alkylbenzene sulfonic acid or its salt having 10 to 14 carbon atoms in the linear alkyl group is particularly preferred. Examples of the LAS salt include sodium salts, potassium salts, and the like.

[0018] Examples of the fatty acid salt type anionic surfactant include, for example, a compound represented by the following general formula (a2). R 2 -(AO) p -COO - M + ···(a2) [In the general formula (a2), R 2 is an aliphatic hydrocarbon group having 8 to 18 carbon atoms, AO is an oxyalkylene group having 2 to 4 carbon atoms. p represents the average number of moles added. M +is a cation other than a hydrogen ion.

[0019] R 2 Preferably has 7 to 23 carbon atoms, more preferably 8 to 22 carbon atoms, and even more preferably 9 to 21 carbon atoms. R 2 is preferably an aliphatic hydrocarbon group derived from a plant raw material, more preferably an alkyl group or an alkenyl group. p = 0 to 4 is preferred, and p = 0 is more preferred. M + Examples thereof are the same as those described above.

[0020] When p is 0, as the fatty acid or its salt, a fatty acid having 8 to 24 carbon atoms, preferably 10 to 20 carbon atoms, more preferably 10 to 18 carbon atoms or its salt is preferred. Examples of the fatty acid having 8 to 24 carbon atoms or its salt include single fatty acids such as caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, isostearic acid, hydroxystearic acid, oleic acid, linoleic acid, behenic acid or their salts; and mixed fatty acids such as coconut fatty acid and beef tallow fatty acid or their salts. As the fatty acid having 8 to 24 carbon atoms, lauric acid, myristic acid, palmitic acid, and coconut fatty acid are preferred, and coconut fatty acid is more preferred. Examples of the form of the salt of the fatty acid having 8 to 24 carbon atoms include alkali metal salts (such as sodium salt and potassium salt), alkaline earth metal salts (such as magnesium salt and calcium salt), ammonium salts, and alkanolamine salts (such as monoethanolamine salt and diethanolamine salt).

[0021] When p is 1 or more, as the polyoxyalkylene ether carboxylic acid or its salt, a polyoxyethylene alkyl ether carboxylate or a polyoxyethylene alkenyl ether carboxylate having a linear or branched alkyl group or alkenyl group having 10 to 20 carbon atoms and having an average of 1 to 10 moles of ethylene oxide added thereto is preferred. Examples of the form of the salt of the polyoxyalkylene ether carboxylic acid are the same as those of the form of the salt of the fatty acid having 8 to 24 carbon atoms.

[0022] These component (A) may be used alone or in combination of two or more thereof.

[0023] The content of component (A) is 18% by mass or less, preferably 1 to 15% by mass, more preferably 1 to 12.5% by mass, and even more preferably 5 to 10% by mass based on the total mass of the liquid detergent composition. When the content of component (A) is within the above range, the detergency for oily stains and the staying feeling are improved, and the squeaking and the feeling of stickiness can be well suppressed.

[0024] <Component (B)> Component (B) is at least one selected from the group consisting of amine oxide type surfactants and amphoteric surfactants. When the liquid detergent composition contains component (B), the detergency for oily stains, which is required as the basic performance of dishwashing detergents, is improved by the synergistic effect with component (A), and the suppressing effect of the feeling of stickiness is enhanced.

[0025] Examples of the amine oxide type surfactant include alkylamine oxide type and alkylamidoalkylamine oxide type.

[0026] Examples of component (b1) include compounds represented by the following general formula (b1).

[0027] [Chemical formula]

[0028] General formula (b1), R 21 is a linear or branched alkyl group having 8 to 18 carbon atoms, or a linear or branched alkenyl group having 8 to 18 carbon atoms, R 22 and R 23 are each independently an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, R 24 is an alkylene group having 1 to 4 carbon atoms. A is -CONH-, -NHCO-, -COO-, -OCO- or -O-, and r is a number of 0 or 1.

[0029] As the alkylamine oxide type semi-polar surfactant, alkyl dimethylamine oxide having an alkyl group with 8 to 18 carbon atoms is preferable, and alkyl dimethylamine oxide having an alkyl group with 12 to 14 carbon atoms is more preferable. Examples of the alkylamine oxide type semi-polar surfactant include lauryl dimethylamine oxide, myristyl dimethylamine oxide, coconut oil dimethylamine oxide, and the like. Among these (b1) components, the alkylamine oxide type semi-polar surfactant is preferable, lauryl dimethylamine oxide, myristyl dimethylamine oxide, and coconut oil dimethylamine oxide are more preferable, and lauryl dimethylamine oxide is even more preferable. These amine oxide type surfactants may be used alone or in combination of two or more.

[0030] The amphoteric surfactant is not particularly limited, and any of the general amphoteric surfactants used in conventional dishwashing detergents can be used. Examples include carboxylate type (also called betaine type), sulfate ester salt type, sulfonate type, phosphate ester salt type, and the like. Among these, the carboxylate type amphoteric surfactant is preferable. Specific examples of the carboxylate type amphoteric surfactant include lauryl dimethylaminoacetic acid betaine, coconut alkyl dimethylaminoacetic acid betaine, coconut oil fatty acid amidopropyl betaine, lauric acid amidopropyldimethylaminoacetic acid betaine, coconut alkylamidopropyldimethylaminoacetic acid betaine, and the like.

[0031] Specific examples of the carboxylate type amphoteric surfactant include alkyl (alkenyl) amide betaine type amphoteric surfactants represented by the following general formula (b21) (hereinafter also referred to as (b21) component), and alkyl (alkenyl) betaine type amphoteric surfactants represented by the following general formula (b22) (hereinafter also referred to as (b22) component).

[0032]

Chemical formula

[0033] In the general formula (b21), R 21 is an alkyl group having 8 to 20 carbon atoms or an alkenyl group having 8 to 20 carbon atoms. R 21 Preferably has 9 to 15 carbon atoms. R 21 May be linear or branched, and among them, linear is preferred. R 21 Is preferably an alkyl group.

[0034] R 22 Is an alkylene group having 1 to 5 carbon atoms. R 22 Preferably has 2 to 3 carbon atoms. R 22 May be linear or branched, and among them, linear is preferred.

[0035] R 23 And R 24 Are each independently hydrogen or an alkyl group having 1 to 3 carbon atoms. Among them, R 23 And R 24 Are preferably alkyl groups. R 23 Or R 24 When it is an alkyl group, this alkyl group may be linear or branched. R 25 Is an alkylene group having 1 to 5 carbon atoms. R 25 Preferably has 1 to 3 carbon atoms. R 25 May be linear or branched, and among them, linear is preferred.

[0036] (b21) components include, for example, octylamidopropyl-N,N-dimethylbetaine (octanoic acid amidopropyl betaine), laurylamidopropyl-N,N-dimethylbetaine (lauric acid amidopropyl betaine), stearyl-N,N-dimethylbetaine (stearic acid amidopropyl betaine), stearyl-N,N-dimethyl-2-hydroxypropyl betaine, coconut oil fatty acid amidopropyl betaine, and the like. Among them, coconut oil fatty acid amidopropyl betaine is preferred as the (b21) component. These (b21) components may be used alone or in combination of two or more.

[0037] (b21) components are synthesized by conventionally known production methods. (b21) components may also be commercially available products. Examples of commercially available products of lauric acid amidopropyl betaine include, for example, "Enacol L-30B" (trade name) manufactured by Lion Corporation. Examples of commercially available products of coconut oil fatty acid amidopropyl betaine include, for example, "NIKKOL AM-3130N" (trade name) manufactured by Nikko Chemicals Co., Ltd.

[0038]

Chemical formula

[0039] In general formula (b22), R 31 is a linear or branched alkyl group having 8 to 18 carbon atoms or a linear or branched alkenyl group having 8 to 18 carbon atoms. R 31 Preferably has 10 to 16 carbon atoms. If the number of carbon atoms of R 31 is equal to or more than the above lower limit value, it is easy to increase the viscosity of the liquid detergent composition. R 31 May be linear or branched, and among them, linear is preferred. R 31 Is preferably an alkyl group.

[0040] In general formula (b22), R 32 and R 33Each is independently a linear or branched alkyl group having 1 to 4 carbon atoms or a linear or branched alkenyl group having 2 to 4 carbon atoms. R 32 and R 33 Preferably have 1 to 2 carbon atoms. R 32 and R 33 May be linear or branched, and among them, linear is preferred. R 32 and R 33 An alkyl group is preferred.

[0041] R 34 Is a linear or branched alkylene group having 1 to 6 carbon atoms or a linear or branched hydroxyalkylene group having 1 to 6 carbon atoms. R 34 Preferably have 1 to 3 carbon atoms. R 34 May be linear or branched, and among them, linear is preferred. R 34 An alkylene group is preferred.

[0042] As the amphoteric surfactant, the (b21) component is preferred, and lauric acid amide propyl dimethylamino acetic acid betaine is more preferred. These amphoteric surfactants may be used alone or in combination of two or more.

[0043] (B) component is preferably an amine oxide type surfactant, and among them, alkylamine oxide type surfactant is more preferred. These (B) components may be used alone or in combination of two or more.

[0044] (B) component content is preferably 2 to 20% by mass, more preferably 5 to 12% by mass based on the total mass of the liquid detergent composition. If the content of (B) component is within the above range, the oil stain detergency can be improved and the occurrence of dullness can be well suppressed.

[0045] The mass ratio of the content of component (A) to the content of component (B) (hereinafter, also referred to as "A / B ratio") is preferably 0.5 to 2.5, more preferably 0.5 to 2, still more preferably 0.5 to 1.5, and particularly preferably 0.8 to 1.5. If the A / B ratio is within the above range, it is easy to achieve both an improvement in oil stain detergency and suppression of dullness.

[0046] <Component (C)> Component (C) is a nonionic surfactant represented by the general formula (c1) with an HLB value of 11 or more. By containing component (C), the feeling of stickiness can be enhanced. CH3-CH(CH3)-R 1 -O-(R 2 O) n -H ···(c1) (In the general formula (c1), R 1 is a divalent hydrocarbon group having 7 to 17 carbon atoms, R 2 is a divalent hydrocarbon group having 1 to 3 carbon atoms, and n is the average number of repetitions and is a number from 8 to 60.)

[0047] The carbon number of the said R 1 is preferably 9 to 16, and preferably 12 to 15. R 1 is preferably a divalent aliphatic hydrocarbon group, more preferably a linear or branched divalent aliphatic hydrocarbon group, and still more preferably a linear alkylene group or a linear alkenylene group. Examples of the linear alkylene group include a decanylene group, undecanylene group, dodecanylene group, tridecanylene group, tetradecanylene group, pentadecanylene group, etc. Examples of the linear alkenylene group include a decenylene group, undecenylene group, dodecenylene group, tridecenylene group, tetradecenylene group, pentadecenylene group, etc. R 2 is preferably 2 to 3 carbon atoms, more preferably an ethylene group or a propylene group, and still more preferably an ethylene group. n is preferably 10 or more, more preferably 15 or more. n is preferably 50 or less, more preferably 30 or less.

[0048] From the viewpoints of retention, squeakiness, and stickiness, the HLB value of the component (C) is 11 or more, preferably 12 or more, more preferably 13 or more, and particularly preferably 14 or more. In the present invention, HLB (Hydrophile Lipophile Balance) is represented by IOB × 10 in the organic concept diagram. That is, HLB = IOB × 10. The IOB (Inorganic Organic Balance) in the organic concept diagram refers to the ratio of the inorganic value (IV) to the organic value (OV) in the organic concept diagram, that is, "inorganic value (IV) / organic value (OV)". The organic concept diagram was proposed by Hajime Fujita, and its details are described in "Pharmaceutical Bulletin", 1954, vol.2, 2, pp.163-173; "The Field of Chemistry", 1957, vol.11, 10, pp.719-725; "Fragrance Journal", 1981, vol.50, pp.79-82, etc. That is, taking methane (CH4) as the origin of all organic compounds, and regarding all other compounds as derivatives of methane, certain numerical values are set for the number of carbon atoms, substituents, modified parts, rings, etc., respectively, and the scores are added to obtain the organic value (OV) and the inorganic value (IV). Then, these values are plotted on a graph with the organic value (OV) on the X-axis and the inorganic value (IV) on the Y-axis. This organic concept diagram is also shown in "Organic Concept Diagram - Basics and Applications -" (written by Yoshio Koda, Sankyo Publishing, 1984), etc.

[0049] These components (C) may be used alone or in combination of two or more. The content of the component (C) is preferably 0.1 to 10% by mass, more preferably 0.5 to 5% by mass, and still more preferably 1 to 3% by mass based on the total mass of the liquid detergent composition. When the content of the component (C) is at least the lower limit value, a sense of retention is easily imparted and the feeling of stickiness is suppressed. On the other hand, when it is at most the upper limit value, the detergency against oil stains is further improved.

[0050] The mass ratio of the content of component (A) to the content of component (C) (hereinafter, also referred to as "A / C ratio") is preferably from 0.5 to 20, more preferably from 1.5 to 10, and particularly preferably from 2.5 to 8. When the A / C ratio is at least the above lower limit value, null sticking can be suppressed. When the A / C ratio is at most the above upper limit value, the feeling of residue can be enhanced.

[0051] The total of the content of component (A) and the content of component (C) (hereinafter, also referred to as "A + C amount") is preferably from 5 to 15, more preferably from 7 to 13, and still more preferably from 8 to 11.5. When the A + C amount is at least the above lower limit value, null sticking can be suppressed. When the A + C amount is at most the above upper limit value, the feeling of residue can be enhanced.

[0052] The total of the contents of component (A), component (B), and component (C) is preferably from 10 to 35% by mass, more preferably from 13 to 30% by mass, and still more preferably from 15 to 25% by mass based on the total mass of the liquid detergent composition.

[0053] The total of the contents of component (A), component (B), and component (C) is preferably from 60 to 100% by mass, more preferably from 70 to 100% by mass, and still more preferably from 75 to 100% by mass based on the total mass of the surfactants in the liquid detergent composition.

[0054] <Optional component> The liquid detergent composition may contain optional components other than component (A), component (B), and component (C) as long as the effects of the present invention are not impaired.

[0055] The optional component may be any component used in a liquid detergent composition for tableware. Examples of the optional component include water, surfactants other than component (A), component (B), and component (C) (optional surfactants), hydroxy acids or their salts, hydrotropes, preservatives, inorganic builders, pH adjusters, chelating agents, isothiazolinone and its derivatives, fragrances, dyes, thickeners, and the like.

[0056] Examples of the optional surfactant include other semi-polar surfactants other than component (B) and other nonionic surfactants other than component (C). Other nonionic surfactants are not particularly limited, and any of the general nonionic surfactants used in conventional dishwashing detergents can be used. For example, polyoxyalkylene-added type nonionic surfactants represented by the following general formula (8), nonionic surfactants represented by the following general formula (9), alkyl glycosides, sorbitan fatty acid esters, etc. can be mentioned. Among these, polyoxyalkylene (carbon number 2-3) alkyl (carbon number 10-18) ether (average addition mole number of alkylene oxide 5-20) is preferable. R 6 -O-(R 7 O) j -H ···(8) (In general formula (8), R 6 is a linear or branched hydrocarbon group having 10 to 18 carbon atoms, R 7 is a hydrocarbon group having 1 to 3 carbon atoms, and j is the average repetition number of (R 7 O), and is a number satisfying 1 ≦ j ≦ 20.) In general formula (8), the carbon number of R 6 is 10 to 18, preferably 10 to 16, and more preferably 10 to 14. As the hydrocarbon group of R 6 , an alkyl group or an alkenyl group is preferable. In general formula (8), as the hydrocarbon group of R 7 , an alkylene group is preferable, and an ethylene group and a propylene group are more preferable. Also, as (R 7 O), an oxyethylene group and an oxypropylene group may be mixed. When an oxyethylene group and an oxypropylene group are mixed, they may be mixed randomly or in a block form. In general formula (8), j is 1 to 20, and preferably 5 to 15. R 8 -C(=O)-NH-(R 9 O) k -H ···(9) (In general formula (9), R 8 is a linear or branched alkyl group having 5 to 19 carbon atoms, or a linear or branched alkenyl group having 5 to 19 carbon atoms, and R 9is a linear or branched alkylene group having 2 to 4 carbon atoms, and k is the average number of repetitions of (R 9 O), and is a number satisfying 1 ≦ k ≦ 20.) In the general formula (9), the number of carbon atoms of R 8 is 5 to 19, preferably 9 to 13. As R 8 , an alkyl group is preferred.) In the general formula (9), as R 9 , an ethylene group or a propylene group is preferred, and an ethylene group is more preferred. Further, as (R 9 O), an oxyethylene group and an oxypropylene group may be mixed. When an oxyethylene group and an oxypropylene group are mixed, they may be mixed randomly or in a block form.) In the general formula (9), k is 1 to 20, preferably 1 to 4.)

[0057] As other nonionic surfactants, in addition to the effects of the present invention, since the foam persistence required as the basic performance of dishwashing detergents is particularly easily obtained, among the polyoxyalkylene-added nonionic surfactants represented by the general formula (8), in particular, those in which R 6 in the general formula (8) is a branched hydrocarbon group are preferred, those which are hydrocarbon groups derived from branched primary alcohols are more preferred, and a garbet alcohol type nonionic surfactant represented by the following general formula (10) is even more preferred.)

[0058] R 11 -CHR 12 -CH2-O-(R 13 O) p -H ···(10) (In the general formula (10), R 11 and R 12 are each independently a chain monovalent hydrocarbon group, the total number of carbon atoms of R 11 and R 12 is 4 to 16, R 13 is a hydrocarbon group having 1 to 3 carbon atoms, and p is a number from 1 to 20 indicating the average number of repetitions of R 13 O.)

[0059] The garbet alcohol type nonionic surfactant has a bulky structure in the hydrophobic part (R 11 -CH(R 12 )-CH2-). This makes it easy to disrupt the arrangement of the surfactant in the liquid detergent composition, and compared with a general branched nonionic surfactant that is not of the garbet alcohol type, solidification is less likely to occur when the liquid detergent composition is placed at a low temperature, and it is easier to enhance the liquid stability.

[0060] In the general formula (10), R 11 and R 12 are each independently a chain-like monovalent hydrocarbon group. The total number of carbon atoms of R 11 and R 12 is 4 to 16, preferably 4 to 14, more preferably 6 to 14, and even more preferably 6 to 12. The chain-like monovalent hydrocarbon groups in R 11 and R 12 may be linear or branched. The chain-like monovalent hydrocarbon group may or may not have an unsaturated bond. As the chain-like monovalent hydrocarbon group, an alkyl group or an alkenyl group is preferred. When the number of carbon atoms of R 11 is different from the number of carbon atoms of R 12 , the number of carbon atoms of the one with fewer carbon atoms among R 11 and R 12 is preferably 2 to 7, and the number of carbon atoms of the one with more carbon atoms is preferably 4 to 14.

[0061] R 11 -CHR 12 -CH2- in the general formula (10) is the residue obtained by removing one hydroxyl group from garbet alcohol (R 11 -CHR 12 -CH2-OH). Garbet alcohol is an alcohol obtained by subjecting a raw material alcohol to a garbet reaction (gelbe reaction). In the garbet reaction, two molecules of the raw material alcohol condense and dimerize. For example, when R 14 -CH2-CH2-OH (where R 14 is a chain-like monovalent hydrocarbon group having 1 to 7 carbon atoms.) is used as the raw material alcohol, R14 -CH2-CH2-CHR 14 -CH2-OH represents the obtained garbet alcohol. The two raw material alcohols forming the garbet alcohol may be different. When the two raw material alcohols are the same, R 11 The difference in the number of carbon atoms of 12 and R R 11 -CH(R 12 )-CH2- specific examples include 2-ethylhexyl group, 2-propylheptyl group, etc.

[0062] p is from 1 to 20, preferably from 3 to 14, more preferably from 4 to 12, and most preferably from 5 to 10. R 13 is an alkylene group having 1 to 4 carbon atoms. As R 3 , an alkylene group having 2 to 3 carbon atoms is preferable, and an alkylene group having 2 carbon atoms is more preferable. That is, as R 13 O, at least one of EO and PO is preferable, and EO is more preferable. (R 13 O) p EO and PO may be mixed. When EO and PO are mixed, they may be mixed randomly or in a block form.

[0063] Examples of the garbet alcohol type nonionic surfactant include 2-propylheptyl alcohol ethoxylate, 2-ethylhexyl alcohol ethoxylate, etc. Among these, 2-propylheptyl alcohol ethoxylate is preferable. The average addition mole number of ethylene oxide is preferably from 6 to 14, more preferably from 8 to 11, and most preferably 10. Specific examples of 2-propylheptyl alcohol ethoxylate include the product names "Lutensol XP-100" and "Lutensol XP-80" manufactured by BASF. Specific examples of 2-ethylhexyl alcohol ethoxylate include the product name "Newcol 1008" manufactured by Nippon Emulsion Co., Ltd.

[0064] These other nonionic surfactants may be used alone or in combination of two or more.

[0065] When the liquid detergent composition contains other nonionic surfactants, the content of the other nonionic surfactants is preferably 1 to 15% by mass, more preferably 2 to 12% by mass, and even more preferably 4 to 8% by mass based on the total mass of the liquid detergent composition. If the content of the nonionic surfactant is at least the above lower limit, the detergency for oil stains is improved. If the content of the nonionic surfactant is at most the above upper limit, the feeling of stickiness is improved and the formation of a film can be more effectively suppressed.

[0066] The total amount of the surfactant is preferably 10 to 40% by mass, more preferably 15 to 35% by mass, and even more preferably 18 to 30% by mass based on the total mass of the liquid detergent composition.

[0067] The hydroxy acid or its salt ((D) component) may be any organic compound having a carboxy group (-COOH) and an alcoholic hydroxy group (-OH), and examples thereof include glycolic acid, lactic acid, hydroxybutyric acid, malic acid, tartaric acid, citric acid, gluconic acid, glyceric acid, tropic acid, benzoic acid, or salts thereof. Among them, an organic compound having a monovalent carboxylic acid group is preferred because of its excellent effect of reducing the dry feeling of the hand skin, and lactic acid or its salt is particularly preferred. Examples of the salt form of the (D) component include salts of alkali metals such as sodium and potassium; salts of alkaline earth metals such as calcium and magnesium, and these may be present in admixture. Among them, salts of alkali metals are preferred, and sodium salts are more preferred because of their good effect of reducing the dry feeling of the hand skin.

[0068] These (D) components may be used alone or in combination of two or more. When the liquid detergent composition contains the component (D), the content of the component (D) is preferably 0.5 to 10% by mass, more preferably 1 to 8% by mass, and even more preferably 2 to 7.5% by mass based on the total mass of the liquid detergent composition. When the content of the component (D) is at least the lower limit value, a moistening feeling is easily imparted to the skin of the hands, and the effect of reducing the dry feeling of the skin of the hands is further improved. On the other hand, when it is at most the upper limit value, the detergency against oil stains is further improved.

[0069] Water functions as a solvent of the liquid detergent composition. The content of water is more preferably 40 to 85% by mass, and even more preferably 60 to 80% by mass based on the total mass of the liquid detergent composition. If the content of water is at least the above lower limit value, gelation is suppressed and the uniformity of the liquid is enhanced. If the content of water is at most the above upper limit value, the viscosity does not become too low and the usability is excellent.

[0070] As the hydrotrope, xylene sulfonic acid or its salt, toluene sulfonic acid or its salt, cumene sulfonic acid or its salt, mesitylene sulfonic acid or its salt, benzoic acid or its salt are preferable, toluene sulfonic acid or its salt, benzoic acid or its salt are more preferable, and p-toluene sulfonic acid or its salt, benzoic acid or its salt are particularly preferable.

[0071] Examples of the chelating agent include aminocarboxylic acid type chelating agents, organic acids such as glycolic acid, diglycolic acid, lactic acid, tartaric acid, carboxymethyl tartaric acid, citric acid, malic acid, gluconic acid and their salts. Examples of the salt include sodium salts. As the chelating agent, aminocarboxylic acid type chelating agents are more preferable.

[0072] Examples of aminocarboxylic acid chelating agents include ethylenediaminetetraacetic acid (EDTA), hydroxyethylenediaminetriacetic acid (HEDTA), dihydroxyethylglycine (DHEG), hydroxyethyliminodiacetic acid (HIDA), diethylenetriaminepentaacetic acid (DTPA), methylglycinediacetic acid (MGDA), aspartic acid diacetic acid (ASDA), isoserine diacetic acid (ISDA), β-alanine diacetic acid (ADAA), serine diacetic acid (SDA), glutamic acid diacetic acid (GLDA), iminodisuccinic acid (IDS), hydroxyiminodisuccinic acid (HIDS), N-lauroylethylenediaminetriacetic acid, nitrilotriacetic acid (NTA), triethylenetetraminehexaacetic acid (TTHA), 1,3-propanediaminetetraacetic acid (PDTA), 1,3-diamino-2-hydroxypropane tetraacetic acid (DPTA-OH), glycol ether diamine tetraacetic acid (GEDTA), dicarboxymethylglutamic acid (CMGA), (S,S)-ethylenediaminedisuccinic acid (EDDS), and salts thereof. Examples of the salt form of the chelating agent include sodium salt, potassium salt, and the like. As the chelating agent, MGDA, GLDA, EDTA, HEDTA, DHEG, HIDA, and DTPA are preferred, MGDA, GLDA, and EDTA are more preferred, and further MGDA is preferred. These chelating agents may be used alone or in combination of two or more.

[0073] When the liquid detergent composition contains a chelating agent, the content of the chelating agent is preferably 0.2 to 5% by mass, more preferably 0.5 to 2.5% by mass, based on the total mass of the liquid detergent composition.

[0074] Examples of isothiazolinone and its derivatives include methylisothiazolinone (MIT), chloromethylisothiazolinone (CMIT), 1,2-benzisothiazol-3-one (BIT), and 4-formylphenylboronic acid (4FPBA). These isothiazolinone and its derivatives may be used alone or in combination of two or more.

[0075] When the liquid detergent composition contains isothiazolinone and its derivatives, the content of isothiazolinone and its derivatives is preferably 0.002 to 0.02% by mass, more preferably 0.005 to 0.018% by mass, and even more preferably 0.009 to 0.015% by mass based on the total mass of the liquid detergent composition.

[0076] Examples of the inorganic builder include metal oxides. Examples of the metal oxide include zinc oxide and magnesium oxide. When the liquid detergent composition contains an inorganic builder, the content of the inorganic builder is preferably 0.01 to 5.0% by mass based on the total mass of the liquid detergent composition.

[0077] Examples of the pH adjuster include inorganic alkalis, organic alkalis, and inorganic acids. Examples of the inorganic alkali include sodium hydroxide, potassium hydroxide, sodium carbonate, and potassium carbonate. Examples of the organic alkali include amine compounds such as monoethanolamine, diethanolamine, triethanolamine, N-methylpropanol, 2-amino-2-methyl-1-propanol, N-(β-aminoethyl)ethanolamine, diethylenetriamine, morpholine, and N-ethylmorpholine. Examples of the inorganic acid include sulfamic acid, hydrochloric acid, and sulfuric acid. Examples of the organic acid include acetic acid.

[0078] <Physical properties> The pH of the liquid detergent composition of the present invention at 25°C is preferably 6 to 8. If the pH of the liquid detergent composition at 25°C is within the above range, the formation of null can be more effectively suppressed. The pH (25°C) of the liquid detergent composition is a value measured by a method in accordance with JIS Z 8802:2011 "Method for Measuring pH".

[0079] The viscosity of the liquid detergent composition of the present invention at 25°C is preferably 10 to 250 mPa·s, more preferably 50 to 200 mPa·s. If the viscosity is at least the above lower limit, dripping of the liquid from the pouring opening of the container can be well suppressed. If the viscosity is at most the above upper limit, the liquid detergent composition can be more easily discharged from the container.

[0080] The viscosity of the liquid detergent composition can be adjusted by the water content, addition of a thickener, etc. The viscosity of the liquid detergent composition is a value measured at 25°C for the measurement target, using a B-type viscometer, with rotor number No. 1, rotor rotation speed 60 rpm, and 60 seconds after the start of rotor rotation.

[0081] (Manufacturing method) The liquid detergent composition of the present invention is manufactured by a conventionally known manufacturing method. Examples of the manufacturing method of the liquid detergent composition include a method in which components (A), (B), and (C) are added to a part of water, mixed, the pH is adjusted, and then the remaining part of water is added.

[0082] (Usage method) Examples of the usage method of the liquid detergent composition include a method in which the liquid detergent composition is applied to a cleaning tool, the liquid detergent composition on the cleaning tool is foamed, and the cleaning object is scrubbed with the foamed cleaning tool. Alternatively, a method in which the liquid detergent composition is dissolved in water to form a cleaning liquid, and the object to be cleaned is immersed in the cleaning liquid while being scrubbed with a cleaning tool can be mentioned. In any method, the scrubbed object to be cleaned is rinsed with water, and then the water of the object to be cleaned is drained.

[0083] Examples of the cleaning tool include sponges such as single-layer sponges, sponge scrubbers, and net sponges.

[0084] Examples of the object to be cleaned include ceramics and metal utensils. Examples of ceramics include tableware such as plates, bowls, and rice bowls. Examples of metal utensils include tableware such as forks and spoons, and stainless steel sinks.

[0085] <Effect> When the liquid detergent composition of the present invention is applied to a cleaning tool such as a sponge and water is added to form foam, it is considered that a staying feeling is obtained by the synergistic adsorption of component (A) and component (C) to the skin of the hand. This is because component (C) has a branched isopropyl group at the end of its molecule, so the hydrophobic interaction with the hydrophobic part of component (A) is improved compared to a nonionic surfactant consisting only of a linear structure, and it is likely to remain on the skin of the hand when washed with water, resulting in a staying feeling. In addition, since component (C) has a higher molecular orientation with respect to the skin surface of the hand compared to a garbet-type nonionic surfactant, it is likely to remain on the skin of the hand when washed with water, resulting in a staying feeling. Furthermore, it does not overly enhance the skin irritation caused by component (A) and does not overly increase the degreasing power of component (C), and can prevent the moisture of the skin of the hand from falling off together with oil stains, so it is considered that it can suppress stickiness (dry feeling) and itching (tightness). Thus, by adding component (C), it is considered that the cleaning power of component (A) can be easily exerted sufficiently while maintaining the moisture of the skin of the hand.

Example

[0086] Hereinafter, the present invention will be described in detail with reference to examples, but the present invention is not limited by the following description.

[0087] (Raw materials used) <Component (A)> · A-1: Sodium polyoxyethylene alkyl ether sulfate (AES), in the above general formula (a1), R 1 = a linear alkyl group having 12 to 14 carbon atoms, p = 1, M + = sodium, synthesized by the following synthesis method. (Synthesis method of A-1) In a 4L autoclave, 400 g of "CO1270 alcohol (C12 / C14 = 75% / 25%, mass ratio)", a product of Procter & Gamble, as the raw material alcohol and 0.8 g of potassium hydroxide as the reaction catalyst were charged. After replacing the inside of the autoclave with nitrogen, the temperature was raised while stirring. Subsequently, 91 g of ethylene oxide was introduced and reacted while maintaining the temperature at 180 °C and the pressure at 0.3 MPa or less. The average number of moles of ethylene oxide added to the obtained polyoxyalkylene ether was 1. Next, 237 g of the ethylene oxide of the obtained polyoxyalkylene ether was placed in a 500 mL flask equipped with a stirrer, and after nitrogen substitution, 96 g of liquid anhydrous sulfuric acid (sulfan) was slowly added dropwise while maintaining the reaction temperature at 40 °C. After the addition was completed, stirring was continued for 1 hour (sulfation reaction) to obtain polyoxyethylene alkyl ether sulfate. Next, A-1 was obtained by neutralizing the obtained polyoxyethylene alkyl ether sulfate with an aqueous sodium hydroxide solution. · A-2: Sodium secondary alkane sulfonate (SAS) having 14 to 17 carbon atoms (manufactured by Clariant Japan K.K., trade name "HOSTAPUR SAS 30A"). · A-3: Sodium α-olefin sulfonate (AOS) having 14 carbon atoms (manufactured by Lion Specialty Chemicals Co., Ltd., trade name "Lipolan LB-440").

[0088] <Component (B)> · B-1: Lauryl dimethylamine oxide (AX), in the above general formula (b1), R 21 = a linear alkyl group having 12 carbon atoms, R 22 = a methyl group, R 23 = a methyl group, r = 0 (manufactured by Lion Specialty Chemicals Co., Ltd., trade name "CadenaX DM12D-W"). · B-2: Lauric acid amide propyl dimethylamino acetic acid betaine (LPB), in the above general formula (b21), R 21 = a linear alkyl group having 11 carbon atoms, R 22 = a propylene group, R 23 = a methyl group, R 24 = a methyl group, R25 = Methylene group (trade name: ENACOL (registered trademark) L-30B, manufactured by Lion Specialty Chemicals Co., Ltd.).

[0089] <(C) component> · C-1: Polyoxyethylene isocetyl ether, a compound represented by the general formula (c1). In the general formula (c1), R 1 = Tridecanylene group, R 2 = Ethylene group, n = 25, HLB: 15, (trade name: "EMALEX1625", manufactured by Nippon Emulsion Co., Ltd.). · C-2: Polyoxyethylene isocetyl ether, a compound represented by the general formula (c1). In the general formula (c1), R 1 = Tridecanylene group, R 2 = Ethylene group, n = 15, HLB: 13, (trade name: "EMALEX1615", manufactured by Nippon Emulsion Co., Ltd.). · C-3: Polyoxyethylene isostearyl ether, a compound represented by the general formula (c1). In the general formula (c1), R 1 = Pentadecanylene group, R 2 = Ethylene group, n = 25, HLB: 14, (trade name: "EMALEX1825", manufactured by Nippon Emulsion Co., Ltd.). · C-4: Polyoxyethylene isotridecyl ether, a compound represented by the general formula (c1). In the general formula (c1), R 1 = Decanylene group, R 2 = Ethylene group, n = 10, HLB: 12, (trade name: "Lutensol TO10", manufactured by BASF Japan Ltd.). · C-5: Polyoxyethylene isotridecyl ether, a compound represented by the general formula (c1). In the general formula (c1), R 1 = Decanylene group, R 2 = Ethylene group, n = 60, HLB: 17, obtained by adding ethylene oxide to "Lutensol TO3" manufactured by BASF. <(C’) component: Comparative product of (C) component> ·C'-1: Polyoxyethylene isocetyl ether, a compound represented by the general formula (c1), where in the general formula (c1), n = 5, HLB: 8, (trade name: "EMALEX 1605", manufactured by Nippon Emulsion Co., Ltd.). ·C'-2: Polyoxyethylene 2-propylheptyl ether, a compound represented by the general formula (10), where in the general formula (10), R 11 = pentyl group, R 12 = propyl group, R 13 = ethylene group, p = 10, HLB: 14 (trade name: "Lutensol XP100", manufactured by BASF Japan Ltd.). ·C'-3: Polyoxyethylene cetyl ether, a compound represented by the general formula (8), where in the general formula (8), R 6 = cetyl group (hexadecyl group), R 7 = ethylene group, j = 25, HLB: 15, (trade name: "EMALEX 125", manufactured by Nippon Emulsion Co., Ltd.).

[0090] <Optional component> ≪Component (D)≫ ·D-1: Sodium lactate, trade name: "Fermented Sodium Lactate 60% (S / HQ60)", manufactured by Purac Japan Co., Ltd. ≪Other nonionic surfactants≫ ·XP100: Polyoxyethylene 2-propylheptyl ether, a compound represented by the general formula (10), in the general formula (10), R 11 = pentyl group, R 12 = propyl group, R 13 = ethylene group, p = 10, HLB: 14 (trade name: "Lutensol XP100", manufactured by BASF Japan Ltd.).

[0091] ≪Common components≫ (The ratios described after each component are ratios based on the total amount of the liquid detergent composition) · Hydrotrope: p-Toluenesulfonic acid, pTS-H, 2% by mass. · Hydrotrope: Sodium benzoate, 0.75% by mass. · Chelating agent: Citric acid, 0.26% by mass. · Inorganic builder: Zinc oxide, 0.06% by mass. · pH adjuster: Sulfamic acid, 0.161% by mass. · Methylisothiazolinone: MIT, 10 ppm by mass. · Fragrance: 0.3% by mass. · pH adjuster: Sulfuric acid or aqueous sodium hydroxide solution, appropriate amount (the amount required to adjust the pH of the liquid detergent composition to 7.8). · Water, ion-exchanged water: Balance (the amount required to make the total amount of the liquid detergent composition 100% by mass).

[0092] (Evaluation method) <Feeling evaluation> Evaluation method: Wash hands beforehand with a liquid hand soap (product name "Kirei Kirei Medicated Liquid Hand Soap", manufactured by Lion Corporation), and wipe off the moisture thoroughly with a towel. Drop 2 g of the detergent solution onto a sponge (product name "Scotch-Brite (registered trademark)", manufactured by 3M Japan Limited) containing 38 g of tap water at 25°C, and knead and foam it 10 times on a ceramic vessel with a diameter of 21 cm. Place the foamed sponge on the ceramic vessel, and touch the foam with your hand for 1 minute so that the palm and the back of the hand are evenly covered with the foam. Rinse your hands with tap water at 25°C for 10 seconds, wipe off the moisture thoroughly with a towel, and evaluate "retention feeling", "lack of stiffness (dry feeling)", and "lack of squeak (tightness)" based on the following evaluation criteria 1 minute later.

[0093] ≪Evaluation criteria for retention feeling: (Pass if ○ or above)≫ ◎◎: Feel a very strong sense that the base remains on the hand skin surface and is protected. ◎: Feel a fairly strong sense that the base remains on the hand skin surface and is protected. 〇: Feel a slightly strong sense that the base remains on the hand skin surface and is protected. △: Feel a slightly weak sense that the base remains on the hand skin surface and is protected. ×: Do not feel any sense that the base remains on the hand skin surface and is protected.

[0094] ≪Evaluation criteria for lack of squeak: (Pass if ○ or above)≫ ◎◎: Do not feel any tightness of the hand skin at all. ◎: Almost no tight feeling in the hand muscles. 〇: Little tight feeling in the hand muscles. △: Slightly feel the tight feeling in the hand muscles. ×: Feel a very strong tight feeling in the hand muscles.

[0095] ≪Evaluation criteria for stickiness: (Pass with 〇 or above)≫ ◎◎: Don't feel any dry feeling in the hand muscles at all. ◎: Hardly feel the dry feeling in the hand muscles. 〇: Don't feel much dry feeling in the hand muscles. △: Slightly feel the dry feeling in the hand muscles. ×: Feel a very strong dry feeling in the hand muscles.

[0096] <Evaluation of the absence of stickiness> 45 g of tap water and 5 g of the liquid detergent composition were put into a 100 mL beaker and stirred well. 40 g of the diluted liquid detergent composition was dropped onto the ceramic ware of the object to be cleaned. This dish was rubbed 10 times with fingers, and the degree of stickiness was evaluated according to the following evaluation criteria.

[0097] ≪Evaluation criteria for the absence of stickiness: (Pass with 〇 or above)≫ ◎◎: Hardly feel any stickiness. ◎: Slightly feel stickiness. 〇: Slightly feel stickiness. △: Considerably feel stickiness. ×: Feel a very strong stickiness.

[0098] <Detergency evaluation> 1.2 g of beef tallow (manufactured by Fujifilm Wako Pure Chemical Corporation) colored so that the Sudan IV (manufactured by Kanto Chemical Co., Inc.) concentration was 1% by mass was uniformly applied to the entire inner surface of a plastic container (trade name "Neo Keeper", manufactured by Iwasaki Kogyo Co., Ltd.) measuring 10 cm in length × 15 cm in width × 5 cm in height to create a dirt model. 38 g of tap water and 2 g of a liquid detergent composition were placed in a dishwashing sponge (trade name "Scotch-Brite", manufactured by 3M Japan Ltd.) measuring 11.5 cm in length × 7.5 cm in width × 3 cm in height, and kneaded by hand 10 times. Then, the bottom surface of the above dirt model was rubbed 10 times, the side surfaces were rubbed 10 times, and the four corners were each rubbed 5 times. After rinsing with tap water, the degree of removal of oil stains on the inner surface of the container was confirmed, and the detergency was evaluated according to the following evaluation criteria.

[0099] ≪Evaluation Criteria for Detergency: (Pass if ○ or above)≫ ◎◎: No remaining stain of the colored beef tallow is visually recognizable, and there is no dullness due to the remaining beef tallow. ◎: No remaining stain of the colored beef tallow is visually recognizable, but there is a slight dullness due to the remaining beef tallow. 〇: The remaining stain of the colored beef tallow is visually recognizable, and there is a slight dullness due to the remaining beef tallow. △: Considerable remaining stain of the colored beef tallow is seen, and there is dullness due to the remaining beef tallow. ×: A very large amount of the remaining stain of the colored beef tallow is seen.

[0100] (Examples 1 to 13, Comparative Examples 1 to 5) According to the compositions shown in Tables 1 to 3, component (A), component (B), component (C), and optional components were added to water and mixed to prepare liquid detergent compositions for each example with a pH of 7.8. Note that the compounding amounts in the table are values in terms of pure components. Also, components not listed with compounding amounts in the table are not compounded. For the liquid detergent compositions of each example, a touch evaluation, an evaluation of the absence of dullness, and a detergency evaluation were performed, and the results are shown in the table.

[0101]

Table 1

[0102]

Table 2

[0103]

Table 3

[0104] As shown in Tables 1 to 3, in Examples 1 to 13, all of the feel evaluation, the evaluation of the absence of stickiness, and the detergency evaluation were from "〇" to "◎◎". In Comparative Example 1 lacking the (A) component, the evaluation of the sense of stickiness was "×", and the evaluation of the absence of squeak was "△". In Comparative Example 2 lacking the (C) component, the evaluation of the sense of stickiness was "△", and the evaluation of the absence of stickiness was "△". In Comparative Example 3 lacking the (C) component, the evaluation of the sense of stickiness was "△", and the evaluation of the absence of squeak was "△". In Comparative Example 4 lacking the (C) component, the evaluation of the sense of stickiness was "×", and the evaluation of the absence of squeak was "△". In Comparative Example 5 in which the content of the (A) component was 20% by mass, the evaluation of the sense of stickiness was "△", the evaluation of the absence of stickiness was "×", the evaluation of puffiness was "×", and the evaluation of detergency was "△". From the above results, it was confirmed that by applying the present invention, the feel of the hand skin after dishwashing (the sense of stickiness, the absence of puffiness (dryness), the absence of squeak (tightness)) can be felt, and both the detergency against oil stains and the absence of stickiness after dishwashing can be achieved.

Claims

1. Component (A): An anionic surfactant, and Component (B): At least one selected from the group consisting of an amine oxide type surfactant and an amphoteric surfactant, and Component (C): A nonionic surfactant represented by the following general formula (c1) having an HLB value of 11 or more, and A liquid detergent composition for tableware, wherein the content of component (A) is 18% by mass or less based on the total mass of the liquid detergent composition for tableware. CH ３ -CH(CH ３ )-R １ -O-(R ２ O) ｎ -H...(c1) (In the general formula (c1), R １ is a divalent hydrocarbon group having 7 to 17 carbon atoms, R ２ is a divalent hydrocarbon group having 1 to 3 carbon atoms, and n is the average number of repetitions, which is a number from 8 to 60.)

2. The liquid detergent composition for tableware according to claim 1, wherein the mass ratio represented by component (A) / component (C) is 2.5 to 8.

3. The liquid detergent composition for tableware according to claim 1 or 2, further comprising component (D): a hydroxy acid or a salt thereof.

Images