JP2010209293A - Detergent composition - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a detergent composition which is excellent in the perfume lingering property and perfume emitting property as well as in the softness. <P>SOLUTION: This detergent composition contains component (A): an anionic surfactant, component (B): a cationized polymer and component (C): a capsulated perfume in which a perfume is enveloped with a poly(meth)acrylic alkyl ester-based resin. Preferably, the component (B) is a cationized cellulose. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a detergent composition.

In recent years, in detergent compositions for clothing, in addition to the strength of detergency, a complex function is required.
For example, as one of the functions required for the detergent composition, scent persistence can be mentioned. Interest in the scent of the detergent composition is high, and in addition to the detergent composition itself being able to maintain a suitable scent, it is required to impart a scent to the object to be washed.
As a method for adding a fragrance to a detergent composition, a method in which a fragrance is sprayed on surfactant-containing particles containing a surfactant is generally known. However, spraying the fragrance directly onto the surfactant-containing particles may come into direct contact with other components in the surfactant-containing particles, which may adversely affect the quality of the fragrance. In addition, when the fragrance is simply sprayed on the surfactant-containing particles, the fragrance of the fragrance is released at an early stage, and there is a problem that the release of the fragrance in the detergent composition itself or the object to be washed is difficult to be sustained.
In order to solve these problems, a microcapsule has been proposed in which a fragrance is a core substance and a polymer of (meth) acrylic acid or a melamine resin is used as a capsule shell (for example, Patent Document 1).

In addition, for example, as a function required for the detergent composition, flexibility of an object to be washed can be mentioned. In particular, in recent years, “water-saving washing” in which washing is performed with a small amount of water has become the mainstream from the viewpoint of energy saving and resource saving. Along with this, the bath ratio (mass ratio of the washing liquid to the washing object) tends to decrease. Conventionally, when washing is performed under a low bath ratio, there is a problem that the objects to be washed are easily rubbed and entangled during washing, and the objects to be washed are damaged and the texture is deteriorated. For this reason, a detergent composition capable of imparting a new appearance and soft texture (flexibility) to an object to be washed even in a washing environment with a low bath ratio is desired.
In response to such a demand, a laundry detergent composition containing a detergent surfactant, an organic or inorganic detergency builder, and a modified cellulose ether fabric treatment agent such as cationized cellulose has been proposed (for example, Patent Document 2). .

JP-T-2001-507396 Japanese translation of PCT publication No. 2003-524689

However, the detergent composition is required to have a plurality of functions in addition to the detergency. As for imparting fragrance (residual fragrance) to an object to be washed, it is required that the object to be washed is rubbed together during wearing of the object to be washed to release a fragrance (fragrance). In addition, there has been a demand for further improvement in the residual fragrance property, fragrance property and flexibility of the detergent composition.
Then, this invention aims at the detergent composition excellent in residual fragrance property, fragrance property, and a softness | flexibility.

  As a result of intensive studies, the present inventors have combined the encapsulated fragrance in which the fragrance is encapsulated with a specific polymer in the detergent composition, an anionic surfactant, and a cationized polymer. It discovered that a softness | flexibility improved synergistically and came to this invention.

  That is, the detergent composition of the present invention includes (A) component: anionic surfactant, (B) component: cationized polymer, and (C) component: poly (meth) acrylate alkyl ester resin. And encapsulated fragrance. The component (B) is preferably cationized cellulose.

  According to the detergent composition of the present invention, it is possible to improve the remaining fragrance, fragrance and flexibility of the article to be washed.

(Detergent composition)
The detergent composition of the present invention comprises (A) component: an anionic surfactant, (B) component: a cationized polymer, and (C) component: a poly (meth) acrylate alkyl ester resin containing a fragrance. Contains fragrance.
The form of the detergent composition of the present invention is not particularly limited, and may be, for example, a granular detergent composition such as powder or granule, or a liquid detergent composition in which the above components are dispersed in a solvent such as water. May be. Especially, it is preferable that it is a granular detergent composition from the surface of stability of encapsulated fragrance | flavor.

  When the detergent composition of the present invention is a granular detergent composition, the average particle size of the particles is not particularly limited, but is preferably 200 to 1500 μm, and more preferably 250 to 1000 μm. When the average particle size is 200 μm or more, dusting is suppressed during use. On the other hand, the solubility to water improves that it is 1500 micrometers or less. The average particle diameter of such particles indicates a value calculated from the particle size distribution by sieving according to the particle size test described in the Japanese Pharmacopoeia.

  The average particle diameter is measured using a 9-stage sieve having a mesh opening of 1680 μm, 1410 μm, 1190 μm, 1000 μm, 710 μm, 500 μm, 350 μm, 250 μm, and 149 μm, and a classification operation. In the classification operation, a small sieve sieve is stacked on a tray in the order of a large sieve sieve, and a sample of 100 g / time is placed on the top of the top 1680 μm sieve, the lid is capped, and a low-tap sieve shaker (stock) (Made by Iida Seisakusho Co., Ltd., tapping: 156 times / minute, rolling: 290 times / minute) After shaking for 10 minutes, the sample remaining on each sieve and the saucer was collected for each sieve, Measure the mass. Then, when the mass frequency of the tray and each sieve is integrated, the opening of the first sieve where the integrated mass frequency is 50% or more is “a μm”, and the opening of the sieve that is one step larger than a μm is “ bμm ”, the integrated value of the mass frequency from the saucer to the aμm sieve is“ c% ”, and the mass frequency on the aμm sieve is“ d% ”. %) To obtain the average particle diameter of the sample.

The bulk density of the granular detergent composition is preferably 0.3 g / mL or more, more preferably 0.5 to 1.2 g / mL, and still more preferably 0.6 to 1.1 g / mL. When the bulk density is 0.3 g / mL or more, a space (storage location) required for storing the granular detergent composition can be reduced, which is advantageous. On the other hand, if it is 1.2 g / mL or less, the solubility of the granular detergent composition in water is good even after long-term storage.
In addition, the said bulk density shows the value measured according to JISK3362-1998.

  Although the moisture content of a granular detergent composition is not specifically limited, 4-10 mass% is preferable from a soluble and storage stability viewpoint, 5-9 mass% is more preferable, and 6-8 mass% is further more preferable. In the present specification, the moisture content is a value measured with an infrared moisture meter (Kett Co., Ltd.) at a sample surface temperature of 165 ° C. for 20 minutes.

[(A) component: anionic surfactant]
The component (A) in the present invention is an anionic surfactant. The detergent composition contains the component (A), so that a high cleaning effect is obtained and a flexibility imparting effect to the object to be washed is obtained.

(A) A component is not specifically limited, For example, what is shown to the following (1)-(12) is mentioned.
(1) A linear or branched alkylbenzene sulfonate (LAS or ABS) having an alkyl group having 8 to 18 carbon atoms.
(2) Alkanesulfonate having 10 to 20 carbon atoms.
(3) C10-20 α-olefin sulfonate (AOS).
(4) Alkyl sulfate or alkenyl sulfate (AS) having 10 to 20 carbon atoms.
(5) Alkyl ether sulfate having a linear or branched alkyl group having 10 to 20 carbon atoms to which 0.5 to 10 moles of alkylene oxide has been added on average, or a linear or branched chain having 10 to 20 carbon atoms or Alkenyl ether sulfate (AES) having a branched alkenyl group; however, the alkylene oxide is preferably any one of alkylene oxides having 2 to 4 carbon atoms, or ethylene oxide (EO) and propylene oxide (PO). ) (In a molar ratio, EO / PO = 0.1 / 9.9 to 9.9 / 0.1).
(6) Alkyl phenyl ether sulfate having a linear or branched alkyl group having 10 to 20 carbon atoms to which 3 to 30 moles of alkylene oxide has been added on average, or linear or branched having 10 to 20 carbon atoms Alkenyl phenyl ether sulfate having a chain alkenyl group; however, the alkylene oxide is preferably any of alkylene oxides having 2 to 4 carbon atoms or a mixture of EO and PO (EO in molar ratio). /PO=0.1/9.9 to 9.9 / 0.1).
(7) Alkyl ether carboxylate having a linear or branched alkyl group having 10 to 20 carbon atoms, having an average of 0.5 to 10 moles of alkylene oxide added thereto, or a linear chain having 10 to 20 carbon atoms Or an alkenyl ether carboxylate having a branched alkenyl group; however, the alkylene oxide is preferably any one of alkylene oxides having 2 to 4 carbon atoms, or a mixture of EO and PO (molar ratio). EO / PO = 0.1 / 9.9 to 9.9 / 0.1).
(8) Alkyl polyhydric alcohol ether sulfates such as C10-20 alkyl glyceryl ether sulfonates.
(9) C8-20 saturated or unsaturated α-sulfo fatty acid or methyl, ethyl, propyl ester salt thereof.
(10) Long chain monoalkyl phosphate, long chain dialkyl phosphate or long chain sesquialkyl phosphate.
(11) Polyoxyethylene monoalkyl phosphate, polyoxyethylene dialkyl phosphate or polyoxyethylene sesquialkyl phosphate.
(12) A higher fatty acid salt (soap) having 10 to 20 carbon atoms.

The component (A) can be used as an alkali metal salt such as a sodium salt or a potassium salt; an amine salt or an ammonium salt. Of these, alkali metal salts such as sodium salt and potassium salt are preferable.
Among the above components (A), LAS or ABS, α-sulfo fatty acid methyl ester (MES) salt and soap are preferable from the viewpoint of washing performance and softness performance, MES salt, alkali metal salt of higher fatty acid (all above, Preferably, sodium salt or potassium salt) is more preferable.
(A) A component can be used individually by 1 type or in mixture of 2 or more types.

The content ratio of the component (A) in the detergent composition of the present invention is preferably 1 to 30% by mass, more preferably 10 to 30% by mass, and further preferably 10 to 20% by mass.
(A) When the content rate of a component is more than the said lower limit, the residual fragrance property, fragrance | flavor property, a softness | flexibility, and a cleaning power of a detergent composition improve more. When the amount is not more than the above upper limit, the handling property at the time of production is further improved and the productivity is good. When the LAS is blended as the component (A), the content of LAS in the detergent composition is 3%. Less than is preferable from the viewpoint of flexibility.

[(B) component: cationized polymer]
The component (B) in the present invention is a cationized polymer.
By using the component (B) in combination with the component (A) and the component (C), it is possible to improve the residual fragrance, the fragrance, and the flexibility.
The cationized polymer is a polymer compound obtained by polymerizing one or more monomers and having cationic properties when dissolved in water. A high molecular compound means a thing with a weight average molecular weight of 1000-10 million. The weight average molecular weight can be measured by a method of analyzing by gel permeation chromatography (GPC) using polyethylene oxide as a standard substance.

The component (B) is not particularly limited. For example, MERQUAT100 (Nalco), Adekathioace PD-50 (ADEKA), Daidol EC-004, Daidoru HEC, Daido Kasei Co., Ltd., etc. Dimethyldiallylammonium chloride polymer such as MERQUAT550 JL5 (Nalco), dimethyldiallylammonium chloride / acrylamide copolymer, MERQUAT280 (Nalco) dimethyldiallylammonium chloride / acrylic acid copolymer, Leogard KGP, Leogard MTY (Lion Corporation) cationized cellulose, LUVIQUAT-FC905 (BASF) imidazolinium chloride-vinylpyrrolidone copolymer, LUGALVAN-G15000 (BA SF) and other polyimenimines, cationized polyvinyl alcohols such as Poval CM318 (Kuraray Co., Ltd.), natural polymer derivatives having amino groups such as chitosan, vinyls having hydrophilic groups to which diethylaminomethacrylate, ethylene oxide, etc. are added. Examples thereof include a copolymer with a monomer. A cationized polymer can be used individually by 1 type or in mixture of 2 or more types.
Among the above cationized polymers, cationized cellulose is preferable from the viewpoints of flexibility, residual fragrance, and fragrance improvement.

<Cationized cellulose>
The cationized cellulose preferably has a weight average molecular weight of 100,000 to 2,000,000, more preferably 400,000 to 1.6 million. If it is more than the said lower limit, the softness | flexibility of a detergent composition will improve more. If it is below the said upper limit, the solubility to water of the cationized cellulose itself or the detergent composition containing cationized cellulose will become more favorable.
The weight average molecular weight of the cationized cellulose can be measured by a method of analyzing by gel permeation chromatography (GPC) using polyethylene oxide as a standard substance.

The degree of cationization of the cationized cellulose is preferably 0.4 to 1.2% by mass, and more preferably 0.4 to 0.8% by mass. If it is in the said range, a softness | flexibility, a residual fragrance | flavor property, and a fragrance | flavor will improve more especially when cotton is made into a wash thing.
In the present invention, the “degree of cationization” means the content (% by mass) of nitrogen in the cationized cellulose molecule and indicates the ratio of nitrogen atoms per glucose ring unit. The nitrogen atom is derived from a cationizing agent.
The degree of cationization means that the larger the value, the stronger the cationicity of the cationized cellulose and the higher the water solubility. Therefore, the degree of cationization is a physical property related to the adsorptivity to clothing that is the object to be washed. In cationized cellulose, when the degree of cationization is 0.4% by mass or more, a moderately strong cationic property is obtained, and the adsorption property of the cationized cellulose itself to clothing is further improved. Accompanying this, the adsorptivity of cationized cellulose is also improved, and it is considered that the effects of flexibility, residual fragrance and fragrance are further improved. On the other hand, when it is 1.2% by mass or less, the cationic strength is moderately suppressed, the water solubility does not become too high, and the adsorptivity of the cationized cellulose itself to clothing is kept good. It is considered that the adsorptivity of the fluorinated cellulose is also improved, and the flexibility, the remaining fragrance, and the fragrance are further improved.

The cationized cellulose can be produced, for example, by reacting hydroxyethylcellulose obtained by adding ethylene oxide to cellulose and cationizing agent glycidyltrimethylammonium chloride.
Preferred examples of the cationized cellulose include a polymer compound having a repeating unit represented by the following general formula (1), (halogen) -O- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose Is mentioned.

[In formula (1), n, m, and l represent the average number of moles of ethylene oxide added, n ¹ represents the number of repeating units, and R ^{1 to} R ³ each independently represents a hydrogen atom or the following general formula: It is a group represented by (2). ]

  [In the formula (2), X represents a halogen atom. ]

In said Formula (2), X shows a halogen atom and a chlorine atom, a bromine atom, a fluorine atom, an iodine atom, etc. are mentioned, A chlorine atom is preferable.
The average number of groups represented by the general formula (2) per glucose ring unit is preferably 0.1 to 0.8, and more preferably 0.3 to 0.8.
In the polymer compound having a repeating unit represented by the general formula (1), the degree of ethylene oxide (EO) substitution per glucose ring unit is preferably 0.3 to 3.0, and 0.7 to 2 More preferably, it is .5.
However, “degree of EO substitution” indicates the average number of hydroxyl groups substituted with EO per glucose ring unit of the cellulose raw material (how many OH groups are added to the three hydroxyl groups of the glucose ring). , A maximum of 3.)
In addition, the average number of moles of EO added per glucose ring unit is preferably 1 + m + n = 1 to 5, and is particularly effective in improving detergency and suppressing recontamination (reattachment of dirt). The value is preferably 1 or more, and the upper limit value is more preferably 3 or less.
Specific examples of the cationized cellulose include Leogard GPS (cationization degree 1.8% by mass), Leogard GP (cationization degree 1.8% by mass), and Leoguard GP0 (cationization degree) sold by Lion Chemical Co., Ltd. 1.8% by mass), Leogard LP (cationization degree 1.0% by mass), Leogard KGP (cationization degree 1.8% by mass), Leogard MGP (cationization degree 1.8% by mass), Leogard MLP (cation) Degree of cationization 0.6% by mass), Leogard MTY (cationization degree 0.6% by mass) (above, trade name); kachinal HC-100 sold by Toho Chemical Industry Co., Ltd. (cationization degree 1.0 to 2.0 mass%), kachinal HC-200 (cationization degree 1.0-2.0 mass%), kachinal LC-100 (cationization degree 0.5-1.5 quality) %), Catinal LC-200 (degree of cationization 0.5 to 1.5 mass%) (above, trade name); UCARE Polymer LR400 (degree of cationization 0.8 to 1.1 sold by Dow Chemical Company) (Mass%), UCARE Polymer LR30M (cationization degree 0.8-1.1 mass%) (above, a brand name) etc. are mentioned as a suitable thing.
In addition, the difference of the brand name in the said commercially available thing is because the molecular weight of a cellulose, the average addition mole number of EO, a cationization degree, etc. differ.
The cationized cellulose can be used alone or in combination of two or more.

The content ratio of the component (B) in the detergent composition of the present invention is preferably 0.1 to 3% by mass, and more preferably 0.1 to 2% by mass.
When the content ratio of the component (B) in the detergent composition is equal to or higher than the above lower limit, flexibility, residual fragrance, and fragrance are further improved. When the amount is not more than the above upper limit value, the balance with other components is excellent and a high detergency can be exhibited.

  (B) When using cationized cellulose as a component, 0.1-2 mass% is preferable and, as for the content rate of the cationized cellulose in a detergent composition, 0.1-1 mass% is more preferable. If it is more than the said lower limit, a softness | flexibility, residual fragrance property, and fragrance | flavor property will improve more. If it is below the said upper limit, the solubility of cationized cellulose itself or surfactant-containing particle | grains containing cationized cellulose will become more favorable.

[(C) component: encapsulated fragrance]
The component (C) in the present invention is an encapsulated fragrance in which a fragrance is encapsulated with a poly (meth) acrylic acid alkyl ester resin.
The form of the component (C) is not particularly limited, and may be solid particles, or may be a state in which the component (C) is dispersed as an oil-in-water emulsion in water.
By combining such a component (C) with the component (A) and the component (B), it is possible to improve the residual fragrance, the fragrance and the flexibility.

  The particle diameter of the component (C) of the present invention is not particularly limited. For example, in the case of a single-core structure, the average particle diameter is 0.1 to 100 μm, preferably 0.5 to 50 μm, more preferably 0.5. It is desirable that the thickness be ˜30 μm. If the average particle size is too small, the strength of the component (C) becomes low, the capsule wall collapses at an early stage, and the aroma tends to be difficult to sustain. If the average particle size is too large, the capsule wall is unlikely to collapse even when the component (C) is adsorbed to the fiber, and the fragrance tends to be insufficiently released. The average particle size of the component (C) is a value measured by a laser diffraction particle size distribution measuring device (SALD-300V, manufactured by Shimadzu Corporation). The single-core structure refers to a structure in which only one lump of fragrance, which is a core substance, is present in the component (C).

  The thickness (wall thickness) of the capsule wall of component (C) is not particularly limited, but is preferably 0.01 to 5 μm, and more preferably 0.05 to 3 μm. If the wall thickness is too thin, the strength of (C) becomes low, the capsule wall collapses at an early stage, and the aroma tends to be difficult to sustain. When the wall thickness is too thick, even if the component (C) is adsorbed to the fiber, the capsule wall is unlikely to collapse and the fragrance tends to be insufficiently released. In addition, the thickness of the capsule wall of (C) component can be observed and measured with a scanning electron microscope (SEM).

  The content of the component (C) in the detergent composition of the present invention can be determined in consideration of the strength of the aroma required for the detergent composition, and is preferably 0.05 to 10% by mass, for example, 0 0.1-3 mass% is more preferable, and 0.1-1 mass% is further more preferable. This is because good residual fragrance and fragrance are exhibited within the above range.

<Fragrance>
The fragrance used for the component (C) can be determined in consideration of the fragrance and the like, and examples thereof include a fragrance component or a mixture (fragrance composition) comprising a fragrance component, a solvent, a fragrance stabilizer, and the like. As the fragrance, it is preferable to select a fragrance having low reactivity and water solubility with the poly (meth) acrylic acid alkyl ester resin.
The fragrance composition can be appropriately selected depending on the purpose, and examples thereof include a fragrance composition containing one or more fragrance components generally used in detergents, fiber finishing agents and the like.

  Specific examples of the fragrance component include aldehydes, phenols, alcohols, ethers, esters, hydrocarbons, ketones, lactones, musks, natural fragrances, animal fragrances, and the like.

  The aldehydes are not particularly limited and can be appropriately selected depending on the purpose. Citronellal, ethyl vanillin, heliotropin, anisaldehyde, α-hexylcinnamic aldehyde, octanal, ligustral, lyial, rilal, tripral, vanillin, helional and the like.

It does not specifically limit as said phenols, According to the objective, it can select suitably, For example, eugenol, isoeugenol, etc. are mentioned.
The alcohols are not particularly limited and can be appropriately selected depending on the purpose.For example, bacdanol, citronellol, dihydromyrcenol, dihydrolinalool, geraniol, linalool, nerol, sandalol, Santa Rex, Examples include terpineol, tetrahydrolinalol, and phenylethyl alcohol.

  The ethers are not particularly limited and can be appropriately selected depending on the purpose. Examples thereof include cedula bar, glycalva, methyl eugenol, and methyl isoeugenol.

  The esters are not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include cis-3-hexenyl acetate, cis-3-hexenyl propionate, cis-3-hexenyl salicylate, and p-cresate. Dil acetate, pt-butyl cyclohexyl acetate, amyl acetate, methyl dihydrojasmonate, amyl salicylate, benzyl salicylate, benzyl benzoate, benzyl acetate, cedryl acetate, citronellyl acetate, decahydro-β-naphthyl acetate, dimethylbenzyl Carvinyl acetate, Ericapropionate, ethyl acetoacetate, Erica acetate, geranyl acetate, geranyl formate, hedion, linalyl acetate, β-phenylethyl acetate Hexyl salicylate, styryl acetate, terpinyl acetate, betiberyl acetate, ot-butylcyclohexyl acetate, manzanate, allyl heptanoate, and the like.

The hydrocarbons are not particularly limited and can be appropriately selected depending on the purpose. Examples thereof include d-limonene, α-pinene, β-pinene, and myrcene.
The ketones are not particularly limited and may be appropriately selected depending on the purpose. For example, α-ionone, β-ionone, methyl-β-naphthyl ketone, α-damascon, β-damascon, δ-damascon Cis-jasmon, methylionone, allylionone, cashmerelan, dihydrojasmon, isoea super, belt fix, isolone diforanone, coabon, rosephenone, raspberry ketone, dynascon and the like.

The lactone is not particularly limited and may be appropriately selected depending on the purpose. Examples thereof include γ-decalactone, γ-undecalactone, γ-nonalactone, γ-dodecalactone, coumarin, and ambroxan. It is done.
The musk is not particularly limited and may be appropriately selected depending on the purpose. Examples thereof include cyclopentadecanolide, ethylene brushate, galaxolide, musk ketone, tonalid, nitromusk and the like.

  The natural flavor is not particularly limited and can be appropriately selected according to the purpose. For example, orange oil, lemon oil, lime oil, petitgren oil, yuzu oil, neroli oil, bergamot oil, lavender oil, lavandin oil , Abies oil, anise oil, bay oil, bored rose oil, ylang ylang oil, citronella oil, geranium oil, peppermint oil, peppermint oil, spearmint oil, eucalyptus oil, lemongrass oil, patchouli oil, jasmine oil, rose oil, cedar oil , Vetiver oil, galvanum oil, oak moss oil, pine oil, camphor oil, sandalwood oil, melamine oil, turpentine oil, clove oil, clove leaf oil, cassia oil, nutmeg oil, cananga oil, thyme oil, etc. .

The animal fragrance is not particularly limited, and can be appropriately selected according to the purpose. Examples thereof include scented incense, ghost cat incense, sea scent incense, and dragon scent incense.
Such a fragrance | flavor component can be used individually by 1 type or in combination of 2 or more types as appropriate.

The fragrance | flavor of this invention has the boiling point in normal temperature from the point of the fresh feeling of a fragrance and palatability, Preferably it is less than 260 degreeC, More preferably, it is 150 degreeC or more and less than 260 degreeC.
The boiling point of the fragrance component is, for example, “Perfume and Flavor Chemicals” Vol. I and II, Stephen Arctander, Allured Pub. Co. (1994), “Synthetic fragrance chemistry and commercial knowledge”, Motoichi Into, Chemical Industry Daily (1996), “Perfume and Flavor Materials of Natural Origin”, Stephen Arctander, Allred Pub. Co. (1994), “Encyclopedia of Fragrance”, edited by Japan Fragrance Association, Asakura Shoten (1989) and “Basic Knowledge of Fragrance and Incense”, Sangyo Tosho (1995). Quote.

The fragrance of the present invention preferably contains a fragrance component having a ClogP value of preferably 1.0 to 8.0, more preferably 3.0 to 8.0.
The ClogP value is a value representing 1-octanol / water partition coefficient = P representing the ratio of equilibrium concentrations in 1-octanol and in water in the form of logarithmic logP with respect to the base 10 for the chemical substance. The ClogP value can be obtained by f-value method (hydrophobic fragment constant method) by decomposing the chemical structure of a compound into its constituents and integrating the hydrophobic fragment constant f value possessed by each fragment (for example, Clog 3 Reference Manual Daylight Software 4.34, Albert Leo, David Weininger, Version 1, March 1994).

In general, since the fragrance is more hydrophobic as the ClogP value is larger, the fragrance composed of many fragrance components having a small ClogP value is more hydrophilic than the fragrance composed of many fragrance components having a large ClogP value. It can be said that it is a fragrance.
Therefore, when the ClogP value is within the above range, the hydrophilic fragrance component and the hydrophobic fragrance component are combined in a well-balanced manner, so that the fragrance has a better fragrance balance and higher palatability. It is advantageous.
The fragrance component having such a ClogP value is desirably contained in an amount of 30% by mass or more, more preferably 45% by mass or more, and still more preferably 90% by mass or more based on the amount obtained by removing the solvent from the fragrance.

You may mix | blend the solvent (solvent for fragrance | flavors) normally used as a fragrance | flavor composition with a fragrance | flavor. When a water-soluble solvent is used as the fragrance solvent, the fragrance solvent can be determined in consideration of film formation of the component (a1).
Examples of the perfume solvent include acetin (triacetin), MMB acetate (3-methoxy-3-methylbutyl acetate), sucrose diacetate hexaisobutyrate, ethylene glycol dibutyrate, hexylene glycol, dibutyl sebacate, and deltile. Extra (isopropyl myristate), methyl carbitol (diethylene glycol monomethyl ether), carbitol (diethylene glycol monoethyl ether), TEG (triethylene glycol), benzyl benzoate, propylene glycol, diethyl phthalate, tripropylene glycol, aboline (dimethyl) Phthalate), deltyl prime (isopropyl palmitate), dipropylene glycol DPG-FC (dipropylene glycol), far Sen, dioctyl adipate, tributyrin (glyceryl tributanoate), hydrolite-5 (1,2-pentanediol), propylene glycol diacetate, cetyl acetate (hexadecyl acetate), ethyl abietate, avaline (methyl abietate), Citroflex A-2 (acetyl triethyl citrate), Citroflex A-4 (tributyl acetyl citrate), Citroflex No. 2 (triethyl citrate), Citroflex No. 4 (tributyl citrate), Durafix (methyl dihydroabietate), MITD (isotridecyl myristate), polylimonene (limonene polymer), 1,3-butylene glycol and the like. The content of the fragrance solvent in these fragrances is, for example, preferably in the range of 0.1 to 50% by mass and more preferably in the range of 1 to 30% by mass in the fragrance.

  In addition to the above components, additives such as antioxidants and preservatives can be blended with the fragrance of the present invention as needed, as long as the effects of the present invention are not hindered.

  Content of a fragrance | flavor can be determined in consideration of the kind of fragrance | flavor, etc., It is preferable to determine in 15-80 mass% in (C) component, and it is more preferable to determine in 15-60 mass%. preferable. When the content of the fragrance is less than the above lower limit value, the content of the encapsulated fragrance in the detergent composition increases, so that it becomes difficult to balance with other components. Above the above upper limit, formation of the encapsulated fragrance becomes difficult, the strength of the capsule wall becomes insufficient, and the residual fragrance and fragrance may be lowered.

<Poly (meth) acrylic acid alkyl ester resin>
The capsule wall of the component (C) in the present invention uses a poly (meth) acrylic acid alkyl ester resin. The poly (meth) acrylic acid alkyl ester resin is used because the perfume can be stably microencapsulated, and it exhibits high flexibility when used in combination with the component (A) and the component (B). Using (meth) acrylic acid and a lower alkyl ester as monomers, the fragrance can be encapsulated by changing the monomer ratio according to the type of the fragrance.
Examples of the monomer used for forming the capsule wall include (meth) acrylic acid, methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, isobutyl (meth) acrylate, (meth) Examples include diethylaminoethyl acrylate.

  (Meth) acrylic acid is a general term for acrylic acid and methacrylic acid. In the present invention, the lower alkyl ester refers to a linear or branched alkyl ester having 4 or less carbon atoms.

  The content of the poly (meth) acrylic acid alkyl ester resin can be appropriately determined depending on the type thereof, and is preferably determined in the range of 30 to 80% by mass in the component (C), and in the range of 30 to 60% by mass It is more preferable to determine by. It is because formation of a capsule wall may become difficult if it is less than the said lower limit, and if it exceeds the said upper limit, content of a fragrance | flavor will fall relatively.

<Other components in component (C)>
In addition to the perfume that is the core substance and the poly (meth) acrylic acid alkyl ester resin that is the capsule wall, the component (C) has a range that does not interfere with the effects of the present invention in order to facilitate the formation of the capsule wall. An emulsifier, a dissolution accelerator, a polymerization initiator and the like can be blended.
Examples of the emulsifier include ethylene-maleic anhydride copolymer, polystyrene sulfonate sodium salt, phenol sulfonic acid condensate, polyvinyl pyrrolidone, and surfactant.
Examples of the flavor enhancer include higher alcohols, glycerin, ethylene glycol, propylene glycol, and paraffin oil.
The polymerization initiator is not particularly limited and can be determined according to the components of the capsule wall, and examples thereof include azobisisobutyronitrile, benzoyl peroxide, N, N-dimethyl-p-toluidine, and alkyl halide.

<Method for producing component (C)>
(C) A component can be manufactured by a well-known method, unless the effect of this invention is prevented, Specifically, an emulsion polymerization method, an in-situ polymerization method, etc. are mentioned.
Among these, the in-situ polymerization method in which the capsule wall is formed from the fragrance side which is a core substance is preferable. The in-situ polymerization method is, for example, a mixture in which monomers such as ethyl acrylate and ethyl methacrylate, a polymerization initiator, and a fragrance are dispersed in water in advance and stirred with a stirrer, and the fragrance is adjusted to an arbitrary particle size. A dispersion is obtained. While introducing nitrogen gas into the mixed dispersion, the monomer is polymerized under arbitrary temperature conditions to form capsule walls. In this way, the fragrance | flavor dispersion liquid which (C) component disperse | distributed to water can be obtained.

The concentration of the fragrance in the mixed dispersion is not particularly limited, and is preferably determined in the range of 5 to 40% by mass, for example.
The concentration of the monomer in the mixed dispersion is not particularly limited, and is preferably determined in the range of 50 to 500 mass% with respect to the fragrance, for example.
The concentration of the polymerization initiator in the mixed dispersion is preferably determined in the range of 0.1 to 5% by mass with respect to the monomer.

  (C) Temperature conditions at the time of adjusting the particle diameter of a component are not specifically limited, For example, it is preferable to determine in the range of 20-70 degreeC. Although the polymerization conditions for the component (C) are not particularly limited, for example, the polymerization temperature is preferably determined in the range of 60 to 80 ° C. Although the polymerization time of (C) component is not specifically limited, It is preferable to determine in the range of 1 to 8 hours.

  Although content of (C) component in a fragrance | flavor dispersion liquid is not specifically limited, 20-60 mass% is preferable and 20-50 mass% is more preferable. This is because a good fragrance can be imparted to the item to be washed within the above range.

  The content ratio of the components (A) to (C) in the detergent composition of the present invention is not particularly limited and can be determined according to the types of the components (A) to (C). For example, the mass ratio represented by (A) component / (B) component / (C) component is preferably in the range of 1-30 / 0.1-2 / 0.1-10, and 10-20 / 0.0. The range of 1-1 / 0.1-1 is more preferable. This is because, within the above range, the residual fragrance, fragrance and flexibility can be improved by the synergistic effect of each component.

[Optional components of detergent composition]
In the detergent composition of the present invention, other components can be appropriately blended as optional components within the range not impairing the effects of the present invention, if necessary, in addition to the components (A) to (C). As optional components, surfactants other than component (A) (nonionic surfactants, cationic surfactants, amphoteric surfactants), detergency builders, fluorescent brighteners, enzymes, enzyme stabilizers, polymers, caking Examples thereof include an inhibitor, an antifoaming agent, a reducing agent, a metal ion scavenger, a pH adjuster, a fragrance, and a dye.

<Nonionic surfactant>
Examples of nonionic surfactants include the following.
(1) Polyoxyalkylene alkyl (or alkenyl) obtained by adding an average of 3 to 30 moles, preferably 5 to 20 moles of an alkylene oxide having 2 to 4 carbon atoms to an aliphatic alcohol having 6 to 22 carbon atoms, preferably 8 to 18 carbon atoms Ether Among these, polyoxyethylene alkyl (or alkenyl) ether and polyoxyethylene polyoxypropylene alkyl (or alkenyl) ether are preferable. Examples of the aliphatic alcohol used here include primary alcohols and secondary alcohols. The alkyl group may have a branched chain. As the aliphatic alcohol, a primary alcohol is preferable.
(2) Polyoxyethylene alkyl (or alkenyl) phenyl ether (3) Fatty acid alkyl ester alkoxylate represented by the following general formula (3) in which alkylene oxide is added between ester bonds of long chain fatty acid alkyl ester

R ⁴ CO (OA) _p OR ⁵ (3)

[In the formula (3), R ⁴ CO represents a fatty acid residue having 6 to 22 carbon atoms, preferably 8 to 18 carbon atoms, and OA represents 2 to 4 carbon atoms such as ethylene oxide and propylene oxide, preferably 2 to 2 carbon atoms. 3 represents an alkylene oxide addition unit, and p represents the average number of moles of alkylene oxide added, and is generally 3 to 30, preferably 5 to 20. R ⁵ represents a lower (carbon number 1 to 4) alkyl group which may have a substituent having 1 to 3 carbon atoms. ]

(4) Polyoxyethylene sorbitan fatty acid ester (5) Polyoxyethylene sorbite fatty acid ester (6) Polyoxyethylene fatty acid ester (7) Polyoxyethylene hydrogenated castor oil (8) Glycerin fatty acid ester

Among the above nonionic surfactants, the above-described nonionic surfactant (1) is preferable, and an average of 5 to 20 moles of an alkylene oxide having 2 to 4 carbon atoms is added to an aliphatic alcohol having 12 to 16 carbon atoms. Polyoxyalkylene alkyl (or alkenyl) ether is preferred. A polyoxyethylene alkyl (or alkenyl) ether having a melting point of 50 ° C. or less and an HLB of 9 to 16, a polyoxyethylene polyoxypropylene alkyl (or alkenyl) ether, a fatty acid methyl ester ethoxylate obtained by adding ethylene oxide to a fatty acid methyl ester, A fatty acid methyl ester ethoxypropoxylate obtained by adding ethylene oxide and propylene oxide to a fatty acid methyl ester is preferably used. Moreover, these nonionic surfactants can be used individually by 1 type or in combination of 2 or more types as appropriate.
The HLB of the nonionic surfactant in the present invention is a value determined by the Griffin method (Yoshida, Shindo, Ogaki, Yamanaka, edited by “New Edition Surfactant Handbook”, Kogyoshosho Co., Ltd., 1991). , Page 234).
The melting point in the present invention is a value measured by a melting point measurement method described in JIS K0064-1992 “Method for measuring melting point and melting range of chemical product”.

<Cationic surfactant>
Examples of the cationic surfactant include the following.
(1) Dilong chain alkyl dishort chain alkyl type quaternary ammonium salt.
(2) Mono long chain alkyl tri short chain alkyl type quaternary ammonium salt.
(3) Tri long chain alkyl mono short chain alkyl type quaternary ammonium salt.
However, the above “long chain alkyl” represents an alkyl group having 12 to 26 carbon atoms, preferably 14 to 18 carbon atoms.
The “short chain alkyl” includes a substituent such as a phenyl group, a benzyl group, a hydroxy group, and a hydroxyalkyl group, and may have an ether bond between carbons. Among them, an alkyl group having 1 to 4 carbon atoms, preferably 1 to 2 carbon atoms; a benzyl group; a hydroxyalkyl group having 2 to 4 carbon atoms, preferably 2 to 3 carbon atoms; a polyalkyl having 2 to 4 carbon atoms, preferably 2 to 3 carbon atoms. Oxyalkylene groups are preferred.

<Amphoteric surfactant>
Examples of amphoteric surfactants include imidazoline-based amphoteric surfactants and amide betaine-based amphoteric surfactants. Specifically, 2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine and lauric acid amidopropyl betaine are preferable.

<Detergency Builder>
Detergency builders include inorganic builders and organic builders.
Examples of the inorganic builder include alkali metal carbonates such as sodium carbonate, potassium carbonate, sodium bicarbonate, and sesquicarbonate; alkali metal sulfites such as sodium sulfite and potassium sulfite; crystalline layered sodium silicate (for example, manufactured by Clariant Japan Ltd.) Trade name "Na-SKS-6" (δ-Na ₂ O · 2SiO ₂ ) and other crystalline alkali metal silicates; amorphous alkali metal silicates; sulfates such as sodium sulfate and potassium sulfate; sodium chloride Alkali metal chlorides such as potassium chloride; phosphates such as orthophosphate, pyrophosphate, tripolyphosphate, metaphosphate, hexametaphosphate, phytate; crystalline aluminosilicate, amorphous aluminosilicate , Sodium carbonate and amorphous alkali metal silicate composites (eg Rhodia) Such as NABION15 (trade name)), and the like.

  Among the inorganic builders, sodium carbonate, aluminosilicate, or potassium salts (potassium carbonate, potassium sulfate, etc.) or alkali metal chlorides (potassium chloride, sodium chloride, etc.) are preferred as having the effect of improving solubility.

  As the aluminosilicate, either crystalline or amorphous (amorphous) can be used, and crystalline aluminosilicate is preferable from the viewpoint of cation exchange ability.

  As the crystalline aluminosilicate, A-type, X-type, Y-type, P-type zeolite and the like can be suitably blended, and the mass average particle diameter is preferably 0.1 to 10 μm. The content of the crystalline aluminosilicate in the detergent composition is preferably 10 to 40% by mass, and particularly preferably 2 to 30% by mass from the viewpoint of powder properties such as cleaning performance and fluidity.

  When mix | blending potassium carbonate, the content is from the point of the effect of a solubility improvement, Preferably it is 1-15 mass% in a detergent composition, More preferably, it is 2-12 mass%, More preferably, it is 5-12. % By mass.

  When blending an alkali metal chloride, the content thereof is preferably 1 to 10% by mass, more preferably 2 to 8% by mass, and still more preferably 3 in the detergent composition from the viewpoint of improving the solubility. -7% by mass.

  When blending the crystalline alkali metal silicate, the content thereof is preferably 0.5 to 40% by mass, more preferably 1 to 25% by mass, and still more preferably from the viewpoint of cleaning performance in the detergent composition. It is 3-20 mass%, Most preferably, it is 5-15 mass%.

  Examples of the organic builder include aminocarboxylates such as nitrilotriacetate, ethylenediaminetetraacetate, β-alanine diacetate, aspartate diacetate, methylglycine diacetate, and iminodisuccinate; serine diacetate, hydroxyiminodia Hydroxyaminocarboxylates such as succinate, hydroxyethylethylenediamine triacetate, dihydroxyethylglycine; Hydroxycarboxylates such as hydroxyacetate, tartrate, citrate, gluconate; pyromellitic acid salt, benzoate Cyclocarboxylates such as polycarboxylates and cyclopentanetetracarboxylates; ether carboxylates such as carboxymethyltaltronate, carboxymethyloxysuccinate, oxydisuccinate, tartaric acid mono- or disuccinate; poly Crylate, acrylic acid-allyl alcohol copolymer salt, acrylic acid-maleic acid copolymer salt, polyacetal carboxylic acid salt such as polyglyoxylic acid; hydroxyacrylic acid polymer, polysaccharide-acrylic acid copolymer Salt of acrylic acid polymer or copolymer such as polymer; salt of polymer or copolymer such as maleic acid, itaconic acid, fumaric acid, tetramethylene 1,2-dicarboxylic acid, succinic acid, aspartic acid; starch, Examples thereof include polysaccharide oxides such as cellulose, amylose and pectin, and polysaccharide derivatives such as carboxymethylcellulose and hydroxymethylcellulose.

Among the organic builders, citrate, aminocarboxylate, hydroxyaminocarboxylate, polyacrylate, salt of acrylic acid-maleic acid copolymer, and salt of polyacetal carboxylic acid are preferable. In particular, hydroxyiminodisuccinate, salt of acrylic acid-maleic acid copolymer having a weight average molecular weight of 1000-80000, polyacrylate, acrylic acid-maleic acid copolymer having a weight average molecular weight of 1000-80000 Salts, polyacrylates, polyacetal carboxylates such as polyglyoxylic acid having a weight average molecular weight of 800 to 1000000 (preferably 5000 to 200000) (for example, those described in JP-A-54-52196), polysaccharides Derivatives are preferred.
The said detergency builder can be used individually by 1 type or in combination of 2 or more types as appropriate.

The content of the detergency builder in the detergent composition is preferably 10% by mass or more, more preferably 20 to 80% by mass, from the viewpoint of imparting sufficient cleaning performance.
There are various grades of detergency builders available in commercial products, but these grades do not limit the use of the present invention. For example, impurities mixed in the production of commercial products and quality stability It may contain a storage stabilizer and an antioxidant added for the purpose of conversion.

<Fluorescent brightener>
Examples of the optical brightener include 4,4′-bis- (2-sulfostyryl) -biphenyl salt, 4,4′-bis- (4-chloro-3-sulfostyryl) -biphenyl salt, and 2- (styryl). Phenyl) naphthothiazole derivatives, 4,4′-bis (triazol-2-yl) stilbene derivatives, bis- (triazinylaminostilbene) disulfonic acid derivatives, and the like. The above-mentioned optical brighteners can be used alone or in combination of two or more.
The content of the fluorescent brightening agent in the detergent composition is preferably 0.001 to 1% by mass.

  Commercially available products of fluorescent whitening agents include Whitetex SA, Whitetex SKC (trade name) manufactured by Sumitomo Chemical Co., Ltd .; Chino Pearl AMS-GX, Chino Pearl DBS-X, Chino Pearl CBS- manufactured by Ciba Japan Co., Ltd. X (above, trade name); Lemonite CBUS-3B (trade name) manufactured by Khyati Chemicals and the like are preferable. Of these, chinopearl CBS-X and chinopearl AMS-GX are more preferable.

<Enzyme>
Enzymes include hydrolases, oxidoreductases, lyases, transferases, and isomerases when classified according to the reactivity of the enzyme.
Of these, protease, esterase, lipase, nuclease, cellulase, amylase, pectinase and the like are preferable.

Examples of the protease include pepsin, trypsin, chymotrypsin, collagenase, keratinase, elastase, sptilisin, papain, promeline, carboxypeptidase A or B, aminopeptidase, aspergillopeptidase A or B, and the like.
Commercially available products include sabinase, alcalase, cannase, everase, deozyme (trade name; manufactured by Novozymes); API21 (trade name, manufactured by Showa Denko KK); Maxacal, Maxapem (all, trade name: manufactured by Genencor) Protease K-14 or K-16 (protease described in JP-A-5-25492) and the like.

Examples of the esterase include gastric lipase, buncreatic lipase, plant lipase, phospholipase, cholinesterase, phosphotase and the like.
Examples of the lipase include commercially available lipases such as lipolase, Lipex (above, trade name: manufactured by Novozymes), and liposum (trade name, manufactured by Showa Denko KK).
Examples of cellulases include commercially available cellzymes (trade name, manufactured by Novozymes); alkaline cellulase K, alkaline cellulase K-344, alkaline cellulase K-534, alkaline cellulase K-539, alkaline cellulase K-577, and alkaline cellulase K. -425, alkaline cellulase K-521, alkaline cellulase K-580, alkaline cellulase K-588, alkaline cellulase K-597, alkaline cellulase K-522, CMCase I, CMCase II, alkaline cellulase E-II, and alkaline cellulase E-III (the cellulase described in JP-A-63-264699) and the like.
Examples of amylase include commercially available products such as Termamyl and Duramil (manufactured by Novozymes).

The said enzyme can be used individually by 1 type or in combination of 2 or more types as appropriate.
It is preferable that the enzyme is granulated as separately stable particles and used in a state of being dry blended with the detergent dough (particles).

<Enzyme stabilizer>
As an enzyme stabilizer, calcium salt, magnesium salt, a polyol, formic acid, a boron compound etc. can be mix | blended, for example. Of these, sodium tetraborate, calcium chloride and the like are preferable.
An enzyme stabilizer can be used individually by 1 type or in combination of 2 or more types as appropriate.
As for content of the enzyme stabilizer in a detergent composition, 0.05-2 mass% is preferable.

<Polymers>
In the detergent composition of the present invention, polymers other than the component (B) can be blended. The polymers have a weight average molecular weight of 200 as a binder or a powder physical property modifier used when densifying the surfactant-containing particles, or to impart a recontamination preventing effect on hydrophobic fine particles (dirt). ˜200000 polyethylene glycol, acrylic acid and / or maleic acid polymer salt having a weight average molecular weight of 1000 to 100,000, cellulose derivatives such as polyvinyl alcohol, carboxymethylcellulose, hydroxypropylmethylcellulose (HPMC) and the like can be blended.
Further, as a soil release agent, a copolymer of a repeating unit derived from terephthalic acid and a repeating unit derived from ethylene glycol and / or propylene glycol, a terpolymer, or the like can be blended.
Further, polyvinyl pyrrolidone or the like can be blended in order to impart an effect of preventing color transfer.

Among the above polymers, HPMC is preferable and HPMC having a weight average molecular weight of 20,000 or more is more preferable from the viewpoint of imparting flexibility to an object to be washed and preventing recontamination.
Such polymers can be used singly or in appropriate combination of two or more.
As for content of the said polymers in detergent composition, 0.05-5 mass% is preferable.

<Anti-caking agent>
As the anti-caking agent, paratoluenesulfonate, xylenesulfonate, acetate, sulfosuccinate, talc, fine powder silica, clay, magnesium oxide and the like can be blended.

<Antifoaming agent>
Examples of the antifoaming agent include silicone / silica-based ones. Moreover, you may use this antifoamer as the following antifoamer granulated material.
First, 100 g of maltodextrin (trade name, manufactured by Nissho Chemical Co., Ltd .; enzyme-modified dextrin) is added with 20 g of silicone (compound type, product name: PS Antifoam, manufactured by Dow Corning) as an antifoam component and mixed. To obtain a homogeneous mixture. Next, 50% by mass of the obtained homogeneous mixture, 25% by mass of polyethylene glycol (PEG-6000, melting point: 58 ° C.), and 25% by mass of sodium sulfate were mixed at 70 to 80 ° C., and then an extrusion granulator (model EXKS). -1, manufactured by Fuji Powder Co., Ltd.) to obtain a defoamer granulated product (see JP-A-3-186307).

<Reducing agent>
Examples of the reducing agent include sodium sulfite and potassium sulfite.

<Metal ion scavenger>
The metal ion scavenger captures trace metal ions and the like in tap water and has an effect of suppressing the adsorption of metal ions to the fiber (object to be washed).
As metal ion scavengers, in addition to those included in the detergency builder, aminopolyacetic acids such as ethylenediaminetetraacetic acid, nitrilotriacetic acid, glycolethylenediaminehexacetic acid; 1-hydroxyethane-1,1-diphosphonic acid (HEDP) -H), ethane-1,1-diphosphonic acid, ethane-1,1,2-triphosphonic acid, hydroxyethane-1,1,2-triphosphonic acid, ethane-1,2-dicarboxy-1,2-diphosphonic Acid, hydroxymethanephosphonic acid, ethylenediaminetetra (methylenephosphonic acid), nitrilotri (methylenephosphonic acid), 2-hydroxyethyliminodi (methylenephosphonic acid), hexamethylenediaminetetra (methylenephosphonic acid), diethylenetriaminepenta (methylenephosphonic acid) ) Organic phosphonic acid Conductor or a salt thereof; diglycolic acid, citric acid, tartaric acid, oxalic acid, organic acids or salts thereof such as gluconic acid and the like.
The said metal ion trapping agent can be used individually by 1 type or in combination of 2 or more types.

  The content of the metal ion scavenger in the detergent composition is preferably from 0.1 to 5% by mass, more preferably from 0.5 to 3% by mass. If it is in the said range, the effect which capture | acquires the metal ion in tap water will improve.

<PH adjuster>
The pH of the detergent composition of the present invention is not particularly limited, but from the viewpoint of cleaning performance, the pH of the 1% by weight aqueous solution of the detergent composition is preferably 8 or more, and the 1% by weight aqueous solution. It is more preferable that the pH at is 9-11. When the pH is 8 or more, the cleaning effect is easily exhibited.

As a technique for controlling the pH of the detergent composition, the pH is usually adjusted with an alkali agent. In addition to the alkali agent described in the detergency builder, alkanols such as monoethanolamine, diethanolamine, and triethanolamine An amine, sodium hydroxide, potassium hydroxide etc. are mentioned. For example, from the viewpoint of solubility in water and alkalinity, NABION15 (trade name, manufactured by Rhodia), which is a mixture of sodium carbonate, sodium silicate, and water at a ratio of 55/29/16 (mass ratio) is used. Is preferred.
Moreover, in order to prevent that pH of a detergent composition becomes high too much, it can also adjust to the said pH range using an acid etc.
Examples of the acid include the metal ion scavenger, alkali metal dihydrogen phosphates such as potassium dihydrogen phosphate, lactic acid, succinic acid, malic acid, gluconic acid, or polycarboxylic acids thereof, citric acid, sodium hydrogen carbonate. , Sulfuric acid, hydrochloric acid and the like can be used.
Further, it is possible to use a buffering agent for preventing a decrease in pH due to an acid component derived from fiber dirt during washing.
The said pH adjuster can be used individually by 1 type or in combination of 2 or more types as appropriate.

<Dye>
In order to improve the appearance of the detergent composition, various pigments such as dyes and pigments can be used. Among these, pigments are preferable from the viewpoint of storage stability, and those having oxidation resistance are particularly preferable.
Examples of the dye include oxides, and preferable examples include titanium oxide, iron oxide, copper phthalocyanine, cobalt phthalocyanine, ultramarine blue, bitumen, cyanine blue, and cyanine green.

<Fragrance>
In addition to the component (C), a fragrance can be further added to the detergent composition of the present invention. This fragrance | flavor is the same as the fragrance | flavor which (C) component contains.

(Method for producing detergent composition)
The manufacturing method of the detergent composition of this invention is not specifically limited, The manufacturing method of a conventionally well-known detergent composition can be used.
When the form of the detergent composition is granular, for example, the surfactant-containing particles containing the component (A), the component (B) and the optional component are produced by removing the component (C), and the surfactant-containing particles. (C) The method of adding a component is mentioned.
The method for producing the surfactant-containing particles is not particularly limited. For example, the component (A), the component (B) and the optional component are dispersed and dissolved in water and spray-dried, or kneading / extrusion, stirring granulation, rolling Examples of methods include kneading, granulation, compression molding, and the like, followed by pulverization as necessary.

  The method for adding the component (C) to the surfactant-containing particles is not particularly limited, and examples thereof include a method of spraying the component (C) while flowing the surfactant-containing particles. In addition, for example, the component (C) is previously granulated with sodium sulfate, sodium carbonate, zeolite, bentonite, etc., preferably with sodium sulfate to obtain a fragrance granule, and the obtained fragrance granule and a surfactant are contained. There is a method of mixing particles with powder. Especially, it is preferable to mix | blend (C) component with a detergent composition as a fragrance | flavor granulated material from a viewpoint of improving a residual fragrance property and a fragrance property more.

  When the component (C) of the oil-in-water emulsion (fragrance dispersion) is sprayed onto the surfactant-containing particles, the amount of the flavor dispersion in the detergent composition is preferably 0.1 to 10% by mass, more preferably Is 0.1-3 mass%, More preferably, it is 0.5-3 mass%. If it is less than the above lower limit, the residual fragrance and fragrance become insufficient, and if it exceeds the above upper limit, it is difficult to balance with other components, and it is not preferable from the viewpoint of handling properties.

[how to use]
The method for using the detergent composition of the present invention is not particularly limited. In the case of a granular detergent composition, for example, a method in which a granular detergent composition is introduced into a washing machine so that the solution is preferably 0.02 to 0.5% by mass and the article to be washed is washed; A method of immersing in a 0.02 to 2% by mass solution of the granular detergent composition is preferable. In particular, it can be suitably used for a method of putting in a washing machine and washing for 5 to 20 minutes. The object to be cleaned by the detergent composition of the present invention is not particularly limited. For example, the object to be cleaned by a normal detergent composition, such as textile products such as clothes, cloths, sheets, and curtains. The same thing is mentioned.

  Further, for example, in the case of a liquid detergent composition, a method of washing the article to be washed by introducing the liquid detergent composition so that the solution is preferably 0.02 to 0.5% by mass; Is preferably immersed in a 0.02 to 2% by mass solution of a liquid detergent composition. Alternatively, a method in which the liquid detergent composition is applied to the article to be washed and then allowed to stand as appropriate, followed by normal washing is also preferable.

  As above-mentioned, the detergent composition of this invention can finish a to-be-washed object flexibly by containing (A) component and (B) component. In addition, the detergent composition contains a fragrance as an encapsulated fragrance encapsulated with a poly (meth) acrylate alkyl ester resin. For this reason, a fragrance | flavor component does not contact with other detergent components (especially surfactant) directly, but it can prevent that a fragrance | flavor component changes in quality and a fragrance deteriorates. Furthermore, since the capsule wall of component (C) is insoluble in water, it adheres to the object to be cleaned while maintaining the capsule structure. The component (C) adhering to the article to be washed can be released over a long period of time by gradually breaking during storage or wearing of the article to be washed.

A detergent composition contains (A)-(C) component, and a softness | flexibility, a residual fragrance property, and a fragrance | flavor improve synergistically. The reason why the flexibility, the remaining fragrance property, and the fragrance property are synergistically improved is not clear, but is estimated as follows.
In the washing liquid, the component (A) forms a complex with the component (B) and / or the component (C), so that it can be efficiently adsorbed to the cellulose structure of the clothing, and the clothing Gives flexibility to the surface of the wash. In addition, the article to be washed during washing changes slightly to hydrophobicity due to adsorption of the complex of the component (A), the component (B) and / or the component (C). For this reason, the complex formed by the remaining component (B) and component (C) is easily adsorbed to the object to be washed due to hydrophobic bonding. As a result, the amount of (C) component adsorbed on the object to be washed after washing is increased, and the residual fragrance and fragrance are improved. Furthermore, since it adheres as a complex of (A) component and / or (B) component, and (C) component to the to-be-washed object, it shows the softness | flexibility which could not be expressed only by (C) component alone. It is thought that it became.

  Hereinafter, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples. In the composition ratios of Examples and Comparative Examples, “%” represents mass% unless otherwise specified.

(Raw material)
The raw materials used in the examples and comparative examples are as follows.
<(A) component: anionic activator>
-A-1: MES sodium salt (MES salt) -1 ... 14 / carbon number 16 = 18/82 MES sodium salt (manufactured by Lion Corporation, AI (pure)) = 70%, the balance is Unreacted fatty acid methyl ester, sodium sulfate, methyl sulfate, hydrogen peroxide, water, etc.)
A-2: MES sodium salt (MES salt) -2 ... 16 sodium atoms / 18 carbon atoms = 80/20 sodium salt of MES (manufactured by Lion Corporation, AI (pure)) = 70%, the balance is Unreacted fatty acid methyl ester, sodium sulfate, methyl sulfate, hydrogen peroxide, water, etc.)
A-3: Soap: Fatty acid sodium having 12 to 18 carbon atoms (manufactured by Lion Corporation, pure content: 67%, titer: 40 to 45 ° C., fatty acid composition: C12; 11.7%, C14; 4%, C16; 29.2%, C18F0 (stearic acid); 0.7%, C18F1 (oleic acid); 56.8%, C18F2 (linoleic acid); 1.2%, molecular weight: 289)
A-4: LAS salt: linear alkyl (10 to 14 carbon atoms) benzenesulfonic acid (Lypon LH-200 (LAS-H, 96% pure) manufactured by Lion Corporation) 48% hydroxylated during preparation A mixture of a compound neutralized with an aqueous sodium solution (LAS-Na) and a compound neutralized with an aqueous 48% potassium hydroxide solution (LAS-K) instead of sodium hydroxide at a mass ratio of 2: 1. The composition ratio in the table indicates a value (mass%) as a mixture of these.

<(B) component: cationized polymer>
B-1: Cationized cellulose-1 ... Leoguard MTY (manufactured by Lion Chemical Co., Ltd., cationization degree 0.6, molecular weight: about 900,000)
B-2: Cationized cellulose-2: Leogard LP (manufactured by Lion Chemical Co., Ltd., cationization degree 1.0, molecular weight about 900,000) B-3: cationized cellulose-3: cationized by the following method Cellulose C was synthesized.

≪Method for producing cationized cellulose-3≫
Hydroxyethyl cellulose (Sumitomo Seika Co., Ltd .: AX-15, 2% aqueous solution viscosity (25 ° C.): 1,200 mPa · s) 30 g (100 parts by mass) isopropyl alcohol / water (mass ratio) = 85 / 300 g (1,000 parts by mass) of the mixed solvent to be 15 and 4.5 g (15 parts by mass) of a 25% aqueous sodium hydroxide solution were added and mixed. Thereafter, stirring and mixing were performed for 30 minutes, and 150 g (500 parts by mass) of the supernatant of the mixed solvent was extracted. Then, the temperature is raised to 50 ° C., and 2.7 g (9 parts by mass) of glycidyltrimethylammonium chloride (Sakamoto Yakuhin Kogyo Co., Ltd .: SY-GTA80, effective content: 73% aqueous solution) is added as a cationizing agent for 3 hours. Reacted.
Thereafter, 10% hydrochloric acid-isopropyl alcohol (IPA) solution was added to adjust the pH to 6 to obtain a cationized cellulose slurry. And it spin-dehydrated and passed through drying (70-80 degreeC), and obtained cationized cellulose-3 (molecular weight: about 1.6 million, cationization degree 0.4).

  B-4: polydimethylallyl ammonium chloride MERQUAT100 (manufactured by Nalco)

<(B ′) component: Comparative product of component (B)>
-B'-1: Carboxymethylcellulose (Carboxymethylcellulose (trade name: CMC Daicel 1190, molecular weight: 820,000, degree of etherification: 0.7, manufactured by Daicel Industries, Ltd.)
-B'-2: Powdered cellulose: ARBOCEL FD600 / 30 (trade name, manufactured by Rettenmeier, average fiber length: 40 μm, average fiber diameter: 25 μm)

<Others>
Nonionic surfactant: ECOROL26 (Ecogreen Co., Ltd., alcohol having an alkyl group having 12 to 16 carbon atoms) ethylene oxide average 15 mol adducts Zeolite: Aluminosilicate A-type zeolite VALFOR 100 Zeolite NaA ( (Average particle size: 4 μm, manufactured by PQ Chemical)
-Sodium sulfate: neutral anhydrous sodium sulfate ... neutral anhydrous sodium sulfate A0B (average particle size: 150 μm, manufactured by Shikoku Kasei Co., Ltd.)
-Sodium sulfite: anhydrous sodium sulfate (made by Shinshu Chemical Co., Ltd.)
・ Sodium carbonate: Heavy sodium carbonate ... Soda ash (Asahi Glass Co., Ltd.)
Potassium carbonate: potassium carbonate (powder) (Asahi Glass Co., Ltd. average particle size: 490 μm, bulk density: 1.30 g / cm ³ )
・ Fluorescent whitening agent: Chino Pearl CBS-X (Ciba Specialty Chemicals)
Enzyme: Mixture of Everase 8T (Novozymes) / LIPEX50T (Novozymes) / Termamyl 60T (Novozymes) / Cellzyme 0.7T (Novozymes) = 5/2/1/2 (mass ratio) MA agent: Sodium salt of acrylic acid / maleic acid copolymer ... Socaran CP7 (manufactured by BASF)

(Production Example 1) C-1: Preparation of Perfume Dispersion-1 6 g of phenolsulfonic acid formaldehyde condensate (Belcotan N, manufactured by Nippon Seimitsu Chemical Co., Ltd.) as an emulsifier, polyvinyl pyrrolidone having a K value of 90 (reagent, Tokyo Chemical Industry Co., Ltd.) Company) 8 g, paraffin oil (reagent, Junsei Chemical Co., Ltd.) 236 g, perfume composition (c-1) 160 g shown in Table 1, methyl methacrylate (reagent, Tokyo Chemical Industry Co., Ltd.) 45.3 g, diethylaminoethyl methacrylate (reagent) , Tokyo Chemical Industry Co., Ltd.) 39.7 g, Azobisisobutyronitrile (reagent, Tokyo Chemical Industry Co., Ltd.) 0.63 g, Dimethyl-2,2′-azobisisobutyrate (Reagent, Tokyo Chemical Industry Co., Ltd.) ) Mix the mixture from 0.92g into 512g of water, using a high speed toothed disk mill, 2 at room temperature, 4500rpm Min dispersed to obtain a mixed dispersion is an oil-in-water emulsions. As a result of measuring this mixed dispersion with a laser diffraction particle size distribution measuring device (SALD-300V, manufactured by Shimadzu Corporation), the fragrance composition c-1 in the mixed dispersion was stable in water having a particle diameter of 2 to 15 μm. It was an oil-type emulsion. The mixed dispersion is heated to 60 ° C. with a horseshoe stirrer while stirring, and stirred at this temperature for 1.5 hours. Next, the temperature of the mixed dispersion was increased to 65 ° C. over 20 minutes and stirred at this temperature for 4 hours. Thereafter, the mixed dispersion was cooled to room temperature while stirring to obtain a perfume dispersion-1 in which the encapsulated perfume was dispersed. As a result of measuring the particle diameter of the encapsulated perfume in Perfume Dispersion-1 with a laser diffraction particle size distribution analyzer, the average particle diameter was 4 μm. In addition, the content of the encapsulated fragrance in the fragrance dispersion-1 was about 24%, and the content of the fragrance composition c-1 in the fragrance dispersion-1 was about 16%.

(Manufacture example 2) C-2: Preparation of fragrance | flavor dispersion liquid-2 The fragrance | flavor dispersion liquid- was carried out similarly to manufacture example 1 except having changed the fragrance composition c-1 into the fragrance composition c-2 shown in Table 2. 2 was obtained. As a result of measuring the particle size of the encapsulated fragrance in the fragrance dispersion-2 with a laser diffraction particle size distribution analyzer, the average particle size was 4 μm. Further, the content of the encapsulated fragrance in the fragrance dispersion-2 was about 20%, and the content of the fragrance composition c-2 in the fragrance dispersion-2 was about 16%.

(Production Example 3) C-3: Manufacture of perfume granulated product-1 60 g of sodium sulfate was added to a table-type crusher (model: SK-M, manufactured by Kyoritsu Riko Co., Ltd.) 20 g of perfume dispersion-1 (prepared in Production Example 1) was added over 5 minutes. Then, it stirred for further 3 minutes and obtained the fragrance | flavor granulated material-1.

(Manufacture example 4) C-4: Manufacture of the fragrance | flavor granulated material-2 The fragrance | flavor granulation was carried out similarly to the manufacture example 3 except having replaced the fragrance | flavor dispersion liquid-1 with the fragrance | flavor dispersion liquid-2 prepared in the manufacture example 2. Product-2 was obtained.

(Examples 1 and 2)
According to the composition of Table 3, a detergent composition was produced by the method shown below.
Step (A): Water was placed in a jacketed mixing tank equipped with a stirring device, and the temperature was adjusted to 60 ° C. To this, a surfactant excluding MES salt and nonionic surfactant was added and stirred for 10 minutes. Subsequently, MA agent (acrylic acid / maleic acid copolymer sodium salt) was added. After stirring for another 10 minutes, a part of the zeolite (1.0% equivalent amount for addition during kneading, 5.0% equivalent amount for grinding aid, 1.5% equivalent from the addition amount shown in Table 3) Sodium carbonate was added in an amount excluding the amount of surface modifying zeolite). After further stirring for 20 minutes to prepare a slurry for spray drying having a moisture content of 38%, spray drying was performed using a countercurrent spray drying tower at a hot air temperature of 280 ° C., and the average particle size (mass 50%): 320 μm, Spray-dried particles having a bulk density of 0.30 g / cm ³ and a water content of 5% were obtained.

  Step (B): The remaining nonionic surfactant excluding the spray-dried particles, MES salt obtained in step (A), 1.0% equivalent amount of zeolite, 0.5% equivalent of nonionic surfactant for spray addition Ingredient (B) and water are added to a continuous kneader (KRC-S4 type, manufactured by Kurimoto Steel Corporation), kneaded under conditions of kneading capacity: 120 kg / hr, temperature: 60 ° C., and surfactant. A 6% water-containing mixture was obtained.

  Step (C): The mixture obtained in Step (B) is extruded with a pelleter double (EXDFJS-100 type, manufactured by Fuji Powder Co., Ltd.) equipped with a die having a hole diameter of 10 mm and cut with a cutter (cutter (Peripheral speed: 5 m / s) A pellet having a length of about 5 to 30 mm was obtained. Next, Fitzmill (DKA-3, Hosokawa Micron) was added to the obtained pellets in an amount corresponding to 5.0% of zeolite as a grinding aid and arranged in series in the presence of cold air (10 ° C., 15 m / s). Co., Ltd.) (screen hole diameter: 1st stage / 2nd stage / 3rd stage = 12 mm / 6 mm / 3 mm, rotation speed: 1st stage / 2nd stage / 3rd stage are all 4700 rpm) A surfactant-containing particle was obtained.

Step (D): The surfactant-containing particles obtained in Step (C) are mixed with a horizontal cylindrical rolling mixer (cylinder diameter 585 mm, cylinder length 490 mm, drum inner wall surface of container 131.7 L and inner wall surface). (With two baffle plates with a clearance of 20 mm and a height of 45 mm), under the conditions of a filling rate of 30% by volume, a rotational speed of 22 rpm and 25 ° C., 1.5% equivalent amount of zeolite for surface modification was added, and 0 While spraying a nonionic surfactant in an amount equivalent to 5%, the particles were rolled for 1 minute to obtain surface-modified particles.
Filling rate of 30 with a horizontal cylindrical rolling mixer (cylinder diameter: 585 mm, cylinder length: 490 mm, inner wall surface of drum of container 131.7 L, clearance between inner wall surface: 20 mm, height: 45 mm) Under the conditions of volume%, rotational speed 22 rpm, and 25 ° C., the particles and enzyme obtained above were added and mixed for 5 minutes to obtain a base composition.

Step (E): 60 g of the base composition obtained in the step (D) is put into a glass bottle with a capacity of 250 mL (height 110 mm, diameter 60 mm), and the fragrance dispersion is gradually added over 5 minutes while stirring with a ball mill. Added. Thereafter, stirring was further continued for 3 minutes to obtain a detergent composition.
The obtained detergent composition was immediately put in a polyvinyl bag and stored at room temperature for 24 hours, and then the remaining fragrance, fragrance and flexibility were evaluated. The results are shown in Table 3.

(Examples 3-9, Examples 11-15)
According to the composition of Table 3, 4, the base composition was obtained by the process (A)-(D) similar to Example 1. FIG. 60 g of the obtained base composition and a predetermined amount of the fragrance granule were put into a glass bottle having a capacity of 250 ml (height 110 mm, diameter 60 mm) and mixed for 3 minutes in a ball mill to obtain a detergent composition.
The obtained detergent composition was immediately put in a polyvinyl bag and stored at room temperature for 24 hours, and then the remaining fragrance, fragrance and flexibility were evaluated. The results are shown in Tables 3 and 4. In Example 15, the fluorescent whitening agent was added in the step (B).

(Example 10)
According to the composition of Table 3, a base composition was obtained by the same steps (A) to (D) as in Example 15. 60 g of the obtained base composition and a predetermined amount of the fragrance granule were put into a glass bottle having a capacity of 250 ml (height 110 mm, diameter 60 mm) and mixed for 3 minutes by a ball mill. Thereafter, the fragrance composition A was gradually added over 5 minutes with stirring to obtain a detergent composition. The obtained detergent composition was immediately put in a polyvinyl bag and stored at room temperature for 24 hours, and then the remaining fragrance, fragrance and flexibility were evaluated. The results are shown in Table 3.

(Comparative Example 1)
(B) A detergent composition was obtained in the same manner as in the Examples except that the component was not blended. The obtained detergent composition was immediately put in a polyvinyl bag and stored at room temperature for 24 hours, and then the remaining fragrance, fragrance and flexibility were evaluated. The results are shown in Table 4.

(Comparative Example 2)
In the step (E), a detergent composition was obtained in the same manner as in Example 1 except that the fragrance composition c-1 was added to the base composition instead of the fragrance dispersion. The obtained detergent composition was immediately put in a polyvinyl bag and stored at room temperature for 24 hours, and then the remaining fragrance, fragrance and flexibility were evaluated. The results are shown in Table 4.

(Comparative Example 3)
In step (B), in addition to component (B), component (B′-2): powdered cellulose is used, and in step (E), fragrance composition c-1 is added to the base composition instead of the fragrance dispersion. A detergent composition was obtained in the same manner as in Example 1 except that. The obtained detergent composition was immediately put in a polyvinyl bag and stored at room temperature for 24 hours, and then the remaining fragrance, fragrance and flexibility were evaluated. The results are shown in Table 4.

(Comparative Example 4)
In step (B), a detergent composition was obtained in the same manner as in Example 3 except that (B′-1) component: carboxymethylcellulose was added instead of component (B). The obtained detergent composition was immediately put in a polyvinyl bag and stored at room temperature for 24 hours, and then the remaining fragrance, fragrance and flexibility were evaluated. The results are shown in Table 4.

(Comparative Example 5)
Component (A): A detergent composition was obtained in the same manner as in Example 3 except that a nonionic surfactant was used instead of the anionic surfactant. The obtained detergent composition was immediately put in a polyvinyl bag and stored at room temperature for 24 hours, and then the remaining fragrance, fragrance and flexibility were evaluated. The results are shown in Table 4.

(Evaluation test)
[Test method]
<Pretreatment>
Store 50 ° C tap water in a two-tank washing machine (product name: CW-C30A1-H1 type, manufactured by Mitsubishi Electric Corporation), and use a commercially available detergent top (made by Lion Corporation) at a standard concentration (30L tap water). The detergent top 20 g, ie 667 mg / L) was added to the water. After putting 1kg of cotton towel (220mm border soft FT, manufactured by Toshin Co., Ltd.) into the washing machine and repeating the washing and dehydrating operations of "washing for 15 minutes and then dehydrating for 5 minutes" twice at a bath ratio of 30 times, The rinsing / dehydration operation of “15 minutes of running water rinsing and 5 minutes of dehydration” was repeated 5 times. Thereafter, the cotton towel was pretreated by hanging and drying at room temperature for 2 days.
B. V. The same pretreatment was applied to 1 kg of D skin shirt (round neck short sleeve T-shirt, product number G0134TS).

<Cleaning process>
A cotton towel 2 pre-treated using a fully automatic electric washing machine (product name: JW-Z23A, manufactured by Haier) as a washing machine and using tap water with a water temperature of 20 ° C. according to the normal course of the fully automatic electric washing machine Sheet (71 g / sheet), pretreated B. V. D skin shirts (140 g / sheet) (total 562 g, hereinafter collectively referred to as “fabrics”) 21 times the bath ratio (low water level: 12 L) and the granular detergent composition of each example The cloth was treated in the same bath at a concentration of 833 mg / L (10 g of granular detergent composition with respect to 12 L of tap water). Then, it was hung and dried at room temperature for 1 day.

[Evaluation of residual fragrance]
The remaining fragrance was subjected to a sensory test on the cotton towel washed with the granular detergent composition of the reference sample in each of the above examples by the following 6 panel odor intensity methods (in 0.5-point increments) by two specialist panelists. Are shown in Tables 3 and 4.
5 points: intense odor 4 points: strong odor 3 points: easy to detect odor 2 points: weak odor to understand what odor 1 point: finally detectable odor 0 points: odorless

[Evaluation of fragrance]
Fragrance is obtained by cutting one piece of cotton towel that has been washed with the detergent composition of each of the above examples to 10 × 10 cm, rubbing the towel cut by a specialized paneler three times, and then the following six-step odor intensity method ( A sensory test was conducted at 0.5 point increments. The average value of 2 persons was described in the table.

<Evaluation criteria>
5 points: intense odor 4 points: strong odor 3 points: easy to detect odor 2 points: weak odor to understand what odor 1 point: finally detectable odor 0 points: odorless

[Evaluation of flexibility]
Evaluation of detergency was performed by a paired comparison between a cotton towel (reference) subjected to the cleaning treatment with the detergent composition of Comparative Example 1 and a cotton towel subjected to the cleaning treatment with the detergent composition of each example. The evaluation was performed by 10 professional panelists.
The evaluation is that if there is a clear difference in flexibility between the pair of cotton towels to be compared, give +2 points to the cotton towel with higher flexibility and -2 points to the lower cotton towel; +1 points for the slightly more flexible cotton towel and -1 point for the slightly lesser cotton towel; And the total score of 10 persons was calculated | required and the softness | flexibility provision effect was evaluated based on the following reference | standard. The results are shown in Table 1.

<Evaluation criteria>
◎: 16-20 points ○: 11-15 points △: 6-10 points ×: 5 points or less

As shown in Tables 3 and 4, all of the results of Examples 1 to 15 using the detergent composition of the present invention had a residual fragrance of 2 or more and a fragrance of 2.5 or more. The impartation of fragrance was good. In addition, in Examples 1 to 15, the evaluation of flexibility was either ◯ or ◎. In the comparison between Example 3 and Comparative Example 1 that does not contain the component (B), by including the component (B), the detergent composition improves the flexibility, as well as the residual fragrance and fragrance. Was found to improve. Moreover, in comparison with Example 3 and the comparative example 2 which does not contain (C) component, by containing (C) component, in addition to a detergent composition improving fragrance property and aroma, It has been found that flexibility is improved. Furthermore, in the comparison between Example 3 and Comparative Example 5 in which the component (A) was not blended, the detergent composition was improved in flexibility, fragrance and fragrance by containing the component (A). I found out that From these results, it was found that the detergent composition containing the components (A) to (C) is synergistically improved in flexibility, remaining fragrance and fragrance.
In addition, in the comparison between Example 1 and Example 3 or in the comparison between Example 2 and Example 4, the component (C) is blended as a fragrance granule, so that the washing composition of the detergent composition It was found that the residual fragrance and fragrance with respect to the odor can be further improved.

Claims (2)

  Detergent composition containing (A) component: anionic surfactant, (B) component: cationized polymer, and (C) component: encapsulated fragrance encapsulating fragrance with poly (meth) acrylate alkyl ester resin. object.   The detergent composition according to claim 1, wherein the component (B) is cationized cellulose.