JP2019210576A - Liquid softener composition - Google Patents

Abstract

To provide a liquid softener excellent in dispersibility and freezing restorability of a functional capsule.SOLUTION: There is provided a liquid softener composition containing following (A) to (D) components: (A) at least one kind of compound selected from a group consisting of an amine compound which may be separated by an ester group and/or an amide group, and has 1 to 3 hydrocarbon group having 10 to 26 carbon atoms in a molecule, a salt thereof and a quaternary agent thereof, (B) a nonionic surfactant, (C) a solvent having ClogP value of 3.0 or more, and (D) a functional capsule, and having content of the (C) component of 0.1 mass% or more based on total mass of the liquid softener composition.SELECTED DRAWING: None

Description

  The present invention relates to a liquid softener composition. Specifically, the present invention relates to a liquid softener composition that is excellent in dispersibility and freeze-restoration of functional capsules.

In recent years, functional capsules in which beneficial substances are coated with a polymer or the like have been used to improve the performance of liquid softening agents. In order to stably disperse functional capsules in a liquid softening agent, a technique for imparting structural viscosity by blending specific components at a specific ratio is known (Patent Documents 1 and 2). In addition, nonionic surfactants are known to be effective in improving freeze-recovery (Patent Documents 1 and 2).
In addition, regarding a liquid softening agent, a technique for suppressing thickening during storage (Patent Document 3), a technique for imparting an odor suppressing function (Patent Documents 4 to 5), a technique for suppressing fragrance degradation (Patent Document 6), A technique (Patent Document 7) that maintains the flexibility imparting effect is known.

JP2015-227515A Japanese Patent Laid-Open No. 2006-113705 JP 2012-82538 A JP 2008-63681 A Special table 2017-535628 gazette JP 2010-37472 A JP 2017-172051 A

  However, there is a problem in manufacturing cost in the prior art that requires high blending of specific components (glucan having a specific average molecular weight in Patent Document 2) for imparting structural viscosity.

  As a result of earnestly examining the above problems, the present inventor has a function of imparting structural viscosity to a liquid softener, which has a specific ClogP value among solvents that can be used in a fragrance composition for a liquid softener. I found out. The present invention has been made based on this finding.

That is, the present invention relates to the following [1] to [5].
[1] A liquid softener composition comprising the following components (A) to (D):
(A) From the group consisting of an amine compound having 1 to 3 hydrocarbon groups having 10 to 26 carbon atoms in the molecule, a salt thereof and a quaternized product thereof, which may be separated by an ester group and / or an amide group. At least one compound selected,
(B) nonionic surfactant,
(C) a solvent having a ClogP value of 3.0 or more, and (D) a functional capsule,
(C) The liquid softening agent composition whose content of a component is 0.1 mass% or more with respect to the total mass of the said liquid softening agent composition.

[2] The content of the component (A) is 3 to 30% by mass with respect to the total mass of the liquid softener composition,
(B) The content of the component is 0.8 to 10% by mass with respect to the total mass of the liquid softener composition,
The content of the component (C) is 0.1 to 5% by mass with respect to the total mass of the liquid softener composition.
The liquid softener composition as described in [1] above.

[3] The mass ratio ((B) / (A)) of the component (B) to the component (A) is 0.10 to 1.0,
The mass ratio ((B) / (C)) of the component (B) to the component (C) is 1 to 30,
The liquid softener composition according to [1] or [2].

[4] The component according to any one of [1] to [3], wherein the component (C) is selected from the group consisting of isopropyl myristate, isopropyl palmitate, isobutyl myristate, isobutyl palmitate, and benzyl benzoate. Liquid softener composition.

[5] Any one of [1] to [4], wherein the component (B) is an average EO 10-100 mol adduct of lauryl alcohol or an average EO 10-100 mol adduct of primary isotridecyl alcohol. Item 2. A liquid softener composition according to Item.

As shown in the examples described later, the liquid softener composition of the present invention exhibits a structural viscosity that enables stable dispersion of functional capsules without any special ingredients (in other words, at low cost). To do. Furthermore, the liquid softening agent composition also has excellent freezing and restoring properties.
Therefore, the present invention is useful as a liquid softening agent having an added value not found in conventional products.

[Component (A)]
The component (A) is “from an amine compound having 1 to 3 hydrocarbon groups having 10 to 26 carbon atoms in the molecule, optionally separated by an ester group and / or an amide group, a salt thereof, and a quaternized product thereof. A cationic surfactant that is at least one compound selected from the group consisting of:
(A) A component is mix | blended in order to provide a softness | flexibility provision effect and structural viscosity to a liquid softening agent composition.
The carbon number of the hydrocarbon group having 10 to 26 carbon atoms (hereinafter sometimes referred to as “long chain hydrocarbon group” in the present specification) is 10 to 26, preferably 17 to 26, and more preferably 19 to 24. preferable. When the number of carbon atoms is 10 or more, flexibility is good, and when it is 26 or less, handling properties are good. The long chain hydrocarbon group may be saturated or unsaturated. When the long chain hydrocarbon group is unsaturated, the position of the double bond may be anywhere, but when there is one double bond, the position of the double bond is the long chain carbonization. It is preferably at the center of the hydrogen group or around the center.
The long chain hydrocarbon group may be a chain hydrocarbon group or a hydrocarbon group containing a ring in the structure, and is preferably a chain hydrocarbon group. The chain hydrocarbon group may be linear or branched. As the chain hydrocarbon group, an alkyl group or an alkenyl group is preferable, and an alkyl group is more preferable.

The long chain hydrocarbon group may be separated by an ester group (—COO—) and / or an amide group (—NHCO—). That is, the long-chain hydrocarbon group has at least one kind of splitting group selected from the group consisting of an ester group and an amide group in the carbon chain, and the carbon chain is split by the splitting group. May be. Having the splitting group is preferable from the viewpoint of improving biodegradability.
When it has this dividing group, the number of the dividing groups which one long-chain hydrocarbon group has may be one, or may be two or more. That is, the long chain hydrocarbon group may be divided at one place by a dividing group, or may be divided at two or more places. When having two or more splitting groups, each splitting group may be the same or different.
In addition, when it has a splitting group in a carbon chain, the carbon atom which a splitting group shall count to carbon number of a long-chain hydrocarbon group.
The long-chain hydrocarbon group is usually an unhydrogenated fatty acid derived from beef tallow, which is used industrially, a fatty acid obtained by hydrogenation or partial hydrogenation of an unsaturated part, palm-derived palm oil, oil palm-derived It is introduced by using a hydrogenated fatty acid or fatty acid ester, or a fatty acid or fatty acid ester obtained by hydrogenation or partial hydrogenation of an unsaturated portion.
(A) As an amine compound which is a component, a secondary amine compound or a tertiary amine compound is preferable, and a tertiary amine compound is more preferable.

〔式中、Ｒ¹〜Ｒ³はそれぞれ独立に、炭素数１０〜２６の炭化水素基、−ＣＨ₂ＣＨ（Ｙ）ＯＣＯＲ⁴（Ｙは水素原子又はＣＨ₃であり、Ｒ⁴は炭素数７〜２１の炭化水素基である。）若しくは−（ＣＨ₂）_nＮＨＣＯＲ⁵（ｎは２又は３であり、Ｒ⁵は炭素数７〜２１の炭化水素基である。）、水素原子、炭素数１〜４のアルキル基、−ＣＨ₂ＣＨ（Ｙ）ＯＨ、又は−（ＣＨ₂）_nＮＨ₂であり、Ｒ¹〜Ｒ³のうちの少なくとも１つは、炭素数１０〜２６の炭化水素基、−ＣＨ₂ＣＨ（Ｙ）ＯＣＯＲ⁴又は−（ＣＨ₂）_nＮＨＣＯＲ⁵である。〕 More specifically, examples of the amine compound as the component (A) include compounds represented by the following general formula (A1).

[Wherein, R ^{1 to} R ³ are each independently a hydrocarbon group having 10 to 26 carbon atoms, —CH ₂ CH (Y) OCOR ⁴ (Y is a hydrogen atom or CH ₃ , and R ⁴ is 7 carbon atoms. . ~ 21 is a hydrocarbon group) or _{-. (CH 2) n NHCOR} 5 (n is 2 or 3, R ⁵ is a hydrocarbon group having 7 to 21 carbon atoms), a hydrogen atom, the number of carbon atoms 1 to 4 alkyl group, —CH ₂ CH (Y) OH, or — (CH ₂ ) _n NH ₂ , and at least one of R ^{1 to} R ³ is a hydrocarbon group having 10 to 26 carbon atoms. _{, -CH 2 CH (Y) OCOR} 4 or - (CH _{2) n} NHCOR ^5. ]

In formula (A1), the number of carbon atoms of the hydrocarbon group having 10 to 26 carbon atoms in R ¹ to R ³ is preferably 17 to 26, 19 to 24 is more preferable. The hydrocarbon group may be saturated or unsaturated. The hydrocarbon group is preferably an alkyl group or an alkenyl group.
In —CH ₂ CH (Y) OCOR ⁴ , Y is a hydrogen atom or CH ₃ , and a hydrogen atom is particularly preferable. R ⁴ is a hydrocarbon group having 7 to 21 carbon atoms, preferably a hydrocarbon group having 15 to 19 carbon atoms. When the compound represented by the general formula (A1) R ⁴ there are a plurality, may be R ⁴ of said plurality of mutually identical, may be different.

Hydrocarbon group R ⁴ is a residue obtained by removing a carboxy group from a fatty acid having 8 to 22 carbon atoms (R ⁴ COOH) (fatty acid residues), R ⁴ Nomoto become fatty (R ⁴ COOH) is Saturated fatty acids or unsaturated fatty acids may be used, and straight-chain fatty acids or branched fatty acids may be used. Of these, saturated or unsaturated linear fatty acids are preferred. In order to impart good water absorption to the soft-treated garment, the saturated / unsaturated ratio (mass ratio) of the fatty acid serving as R ⁴ is preferably 90/10 to 0/100, and 80/20 to 0 / 100 is more preferable.
When R ⁴ is an unsaturated fatty acid residue, a cis isomer and a trans isomer are present, and the mass ratio of the cis isomer / trans isomer is preferably 40/60 to 100/0, and 70/30 to 90/10. Particularly preferred.

Specific examples of fatty acids used as R ⁴ include stearic acid, palmitic acid, myristic acid, lauric acid, oleic acid, elaidic acid, linoleic acid, partially hydrogenated palm oil fatty acid (iodine value 10 to 60), partial Examples include hydrogenated beef tallow fatty acid (iodine value of 10 to 60). Among them, a fatty acid prepared by combining two or more selected from stearic acid, palmitic acid, myristic acid, oleic acid, elaidic acid, and linoleic acid in predetermined amounts to satisfy the following conditions (a) to (c) It is preferable to use a composition.
(A) The ratio (mass ratio) of saturated fatty acid / unsaturated fatty acid is 90/10 to 0/100, more preferably 80/20 to 0/100. (B) The ratio (mass ratio) of cis isomer / trans isomer is 40/60 to 100/0, more preferably 70/30 to 90/10. (C) The fatty acid having 18 carbon atoms is 60 mass% or more, preferably 80 mass% or more, the fatty acid having 20 carbon atoms is less than 2 mass%, and the fatty acid having 21 to 22 carbon atoms is less than 1 mass%. .

In — (CH ₂ ) _n NHCOR ⁵ , n is 2 or 3, and 3 is particularly preferable. R ⁵ is a hydrocarbon group having 7 to 21 carbon atoms, preferably 15 to 19 carbon atoms. When the compound represented by the general formula (A1) R ⁵ there are a plurality, may be R ⁵ of said plurality of mutually identical, may be different. Examples of R ⁵ include the same as R ⁴ .

At least one of R ^{1 to} R ³ is a long-chain hydrocarbon group (a hydrocarbon group having 10 to 26 carbon atoms, —CH ₂ CH (Y) OCOR ⁴ , or — (CH ₂ ) _n NHCOR ⁵ ). Two are preferably long-chain hydrocarbon groups. When one or two of R ^{1 to} R ³ are long-chain hydrocarbon groups, the remaining two or one is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, —CH ₂ CH (Y) OH or — (CH ₂ ) _n NH ₂ , preferably an alkyl group having 1 to 4 carbon atoms, —CH ₂ CH (Y) OH, or — (CH ₂ ) _n NH ₂ . Among these, as a C1-C4 alkyl group, a methyl group or an ethyl group is preferable, and a methyl group is especially preferable. Y in —CH ₂ CH (Y) OH is the same as Y in —CH ₂ CH (Y) OCOR ⁴ . _{N in} — (CH ₂ ) _n NH ₂ is the same as n in — (CH ₂ ) _n NHCOR ⁵ .

〔式中、Ｒ⁷及びＲ⁸はそれぞれ独立に、炭素数１０〜２６の炭化水素基である。Ｒ⁹及びＲ¹⁰はそれぞれ独立に、炭素数７〜２１の炭化水素基である。〕 Preferable examples of the compound represented by the general formula (A1) include compounds represented by the following general formulas (A1-1) to (A1-8).

[Wherein, R ⁷ and R ⁸ are each independently a hydrocarbon group having 10 to 26 carbon atoms. R ⁹ and R ¹⁰ are each independently a hydrocarbon group having 7 to 21 carbon atoms. ]

Examples of the hydrocarbon group for R ⁷ and R ⁸ include the same hydrocarbon groups as those having 10 to 26 carbon atoms for R ^{1 to} R ³ .
Examples of the hydrocarbon group having 7 to 21 carbon atoms in R ⁹ and R ¹⁰ include those similar to the hydrocarbon group having 7 to 21 carbon atoms in R ⁴ . When R ⁹ is more present in the formula, R ⁹ of the plurality of may be the same as each other, may be different.

The component (A) may be an amine compound salt or a quaternized product.
The salt of an amine compound is obtained by neutralizing an amine compound with an acid. The acid used for neutralization of the amine compound may be an organic acid or an inorganic acid, and examples thereof include hydrochloric acid, sulfuric acid, and methyl sulfuric acid. Neutralization of the amine compound can be performed by a known method.
A quaternized product of an amine compound is obtained by reacting the amine compound with a quaternizing agent. Examples of the quaternizing agent used for the quaternization of the amine compound include alkyl halides such as methyl chloride and dialkyl sulfates such as dimethyl sulfate. When these quaternizing agents are reacted with an amine compound, the alkyl group of the quaternizing agent is introduced into the nitrogen atom of the amine compound, and a salt of a quaternary ammonium ion and a halogen ion or a monoalkyl sulfate ion is formed. . The alkyl group introduced by the quaternizing agent is preferably an alkyl group having 1 to 4 carbon atoms, more preferably a methyl group or an ethyl group, and particularly preferably a methyl group. The quaternization of the amine compound can be performed by a known method.

  As the component (A), at least one selected from the group consisting of the compound represented by the general formula (A1), a salt thereof, and a quaternized product thereof is preferable, and the general formulas (A1-1) to (A1- 8) At least one selected from the group consisting of a salt thereof and a quaternized product thereof is more preferable, and at least one selected from the group consisting of (A1-4) to (A1-6), a salt thereof and a quaternized product thereof. Species are particularly preferred.

As the compound represented by the general formula (A1), a salt thereof, and a quaternized product thereof, a commercially available product may be used, or a product produced by a known method may be used.
For example, a compound represented by the general formula (A1-2) (hereinafter “compound (A1-2)”) and a compound represented by the general formula (A1-3) (hereinafter “compound (A1-3)”) are: The fatty acid composition, or a fatty acid methyl ester composition obtained by replacing the fatty acid in the fatty acid composition with a methyl ester of the fatty acid, and methyldiethanolamine can be synthesized. At that time, from the viewpoint of improving flexibility, the abundance ratio represented by “compound (A1-2) / compound (A1-3)” is synthesized such that the mass ratio is 99/1 to 50/50. It is preferable to do.
Furthermore, when the quaternized product is used, it is more preferable to use dimethyl sulfate as a quaternizing agent. At that time, from the viewpoint of flexibility, the abundance ratio represented by “a quaternized compound (A1-2) / a quaternized compound (A1-3)” is 99/1 to 50/50 in mass ratio. It is preferable to synthesize.

Compound represented by general formula (A1-4) (hereinafter “compound (A1-4)”), compound represented by general formula (A1-5) (hereinafter “compound (A1-5)”), general formula The compound represented by (A1-6) (hereinafter “compound (A1-6)”) can be synthesized by a condensation reaction of the fatty acid composition or fatty acid methyl ester composition and triethanolamine. In that case, the content ratio of each component with respect to the total mass of the compounds (A1-4), (A1-5), and (A1-6) is 1 to 60 masses of the compound (A1-4) from the viewpoint of flexibility. %, Compound (A1-5) is preferably 5-98% by mass, compound (A1-6) is preferably 0.1-40% by mass, compound (A1-4) is 30-60% by mass, compound ( It is more preferable that A1-5) is 10 to 55% by mass and the compound (A1-6) is 5 to 35% by mass.
In addition, when using the quaternized product, it is more preferable to use dimethyl sulfate as a quaternizing agent in that the quaternization reaction proceeds sufficiently. The abundance ratio of each quaternized compound (A1-4), (A1-5), and (A1-6) is a mass ratio from the viewpoint of flexibility, and the quaternized compound (A1-4) is 1 to 4. 60% by mass, the quaternized compound (A1-5) is preferably 5 to 98% by mass, and the quaternized compound (A1-6) is preferably 0.1 to 40% by mass, and the compound (A1-4) ) Is 30 to 60% by mass, the quaternized compound (A1-5) is 10 to 55% by mass, and the quaternized compound (A1-6) is 5 to 35% by mass. preferable. In addition, when the compounds (A1-4), (A1-5), and (A1-6) are quaternized, esteramine that is not quaternized generally remains after the quaternization reaction. At that time, the ratio of “quaternized product / non-quaternized ester amine” is preferably in the range of a mass ratio of 70/30 to 99/1.

  The compound represented by general formula (A1-7) (hereinafter “compound (A1-7)”) and the compound represented by general formula (A1-8) (hereinafter “compound (A1-8)”) are as described above. From an adduct of a fatty acid composition, N-methylethanolamine and acrylonitrile, J. Org. Org. Chem. , 26, 3409 (1960), by a condensation reaction with N- (2-hydroxyethyl) -N-methyl-1,3-propylenediamine synthesized by a known method. In that case, it is preferable to synthesize | combine so that the abundance ratio represented by "compound (A1-7) / compound (A1-8)" may be 99 / 1-50 / 50 by mass ratio. When the quaternized product is used, it is preferable to use methyl chloride as a quaternizing agent, which is represented by “a quaternized compound (A1-7) / a quaternized compound (A1-8)”. It is preferable to synthesize the abundance ratio such that the mass ratio is 99/1 to 50/50.

  The component (A) is a known substance, and can be easily obtained or prepared on the market.

  As the component (A), a single type may be used, or a plurality of types may be used in combination.

  The content of the component (A) is not particularly limited as long as the purpose of blending can be achieved, but is preferably 3 to 30% by mass, more preferably 5 to 20% by mass, and particularly preferably 6% with respect to the total mass of the liquid softening agent composition. ˜15 mass%. When the content of the component (A) is 3% by mass or more, the structural viscosity and the flexibility-imparting effect of the liquid softening agent composition are further improved, and when the content is 30% by mass or less, the freeze recovery property is further improved. In addition, even if the content of the component (A) is less than 3% by mass, sufficient structural viscosity can be obtained by adding 0.01% by mass or more of the component (C) described later.

[(B) component]
The component (B) is a nonionic surfactant.
Component (B) is blended in order to impart structural viscosity and freeze-restoring properties to the liquid softener composition.
(B) As a component, a well-known substance in the liquid softening agent field | area can be especially used without a restriction | limiting. For example, an alkylene oxide adduct of alcohol or fatty acid can be used.
Each carbon chain portion of the alcohol and fatty acid may be linear or branched and may contain an unsaturated group. There may also be a distribution in the carbon chain. Carbon number of a carbon chain becomes like this. Preferably it is 6-20, More preferably, it is 8-18. When the carbon chain is a straight chain, the carbon number is preferably 6 to 14, more preferably 8 to 12, and most preferably 10 to 12. When the carbon chain is a branched chain, the carbon number is preferably 6 to 18, more preferably 9 to 18, and most preferably 13.
As the raw material of the component (B), Exxal Mobil Exar, BASF LUTENSOL (Rutensol) series, Kyowa Hakko Koxor, Shell DOBANOL series, and the like can be used.
When the component (B) is an alkylene oxide adduct of alcohol, both primary alcohol and secondary alcohol can be used. The alcohol having 13 carbon atoms is produced, for example, using dodecene as a raw material, but the starting material may be butylene or propylene.
When the carbon chain contains an unsaturated group, those having 18 carbon atoms are particularly preferred. The stereoisomer structure of the unsaturated group may be a cis isomer, a trans isomer, or a mixture of both, and the ratio of the cis isomer / trans isomer is particularly 25/75 to 100/0 (mass ratio). It is preferable that
The alkylene oxide is preferably ethylene oxide (EO), but may be one obtained by adding propylene oxide (PO) or butylene oxide (BO) together with EO. The average added mole number of EO is preferably 10 to 100 mol, more preferably 20 to 80 mol, and particularly preferably 40 to 70 mol. Moreover, 1-5 are suitable as an average addition mole number of PO or BO added with EO, More preferably, it is 1-3 mol. At this time, PO or BO may be added after adding EO, or EO may be added after adding PO or BO.

  Specific examples of the component (B) include nonyl alcohol with an average of 9 moles of EO and 1 mole of PO, an average EO of 40 moles of primary isononyl alcohol, an average EO of 20 moles of primary isodecyl alcohol, Addition of 10 to 100 mol (preferably 20 to 30 mol) of average EO of lauryl alcohol, 60 mol of adduct of average EO of primary isohexadecyl alcohol, 10 to 100 mol (preferably 60 mol) of average EO of primary isotridecyl alcohol Products, an average EO 50 mol adduct of tridecyl alcohol, an average EO 20 mol adduct of lauric acid, and the like. Commercially available products include the Emulex series manufactured by Nippon Emulsion, the Emalmin series manufactured by Sanyo Kasei, the TDA series manufactured by Lion Chemical, the Softanol series manufactured by Nippon Shokubai, and the LUTESOL series manufactured by BASF.

  The component (B) is a known substance, and can be easily obtained or prepared on the market.

  As the component (B), a single type may be used, or a plurality of types may be used in combination.

  The content of the component (B) is not particularly limited as long as the purpose of blending can be achieved, but is preferably 0.8 to 10% by mass, more preferably 0.9 to 8% by mass, with respect to the total mass of the liquid softener composition. More preferably, it is 1-5 mass%. When the content of the component (B) is 0.8% by mass or more, the structural softness and freeze-recoverability of the liquid softening agent composition are further improved, and when it is 10% by mass or less, a viscosity excellent in usability is obtained. .

  The mass ratio ((B) / (A)) of the component (B) to the component (A) is preferably 0.10 to 1.0, more preferably 0.15 to 0.8, and 0.35 to 0.00. 6 is most preferred. When the mass ratio is the above, a liquid softener composition excellent in both capsule dispersibility and freeze-recoverability can be obtained.

  In order to obtain a higher structural viscosity, when the liquid softener composition is produced, after forming an emulsion containing a part of (A), (B) and (C), the remainder of (B) It is preferable to add.

[Component (C)]
Component (C) is a solvent having a ClogP value of 3.0 or more.
(C) A component is mix | blended in order to provide structural viscosity to a liquid softening agent composition.
(C) The ClogP value of a component is 3.0 or more, Preferably it is 3.0-9.0, More preferably, it is 3.2-6.0. When the ClogP value is 3.0 or more, the particle size of the vesicle particles (the dispersoid in the emulsion containing the components (A), (B) (part) and (C)) increases, and the liquid softener composition The structural viscosity of the object is improved. When the ClogP value is 9.0 or less, a large particle size of the vesicle particles and, consequently, a higher structural viscosity of the liquid softening agent composition can be obtained due to good compatibility with the component (B) in the vesicle particles.
“ClogP value” is an index of hydrophobicity and can be calculated by the CLogP method.
As the component (C), a substance that can be used as a solvent in a liquid softener (for example, a fragrance composition for liquid softener) and has a ClogP value of 3.0 or more can be used.
In addition, when the liquid softening agent composition contains the free fragrance composition (component (E)) described later, the component (C) is used as all or part (preferably all) of the solvent for the component (E). Also good.
The component (C) is preferably a fatty acid ester composed of a long-chain fatty acid and a linear or branched alcohol, or an ester having an aromatic ring. Specific examples include isopropyl myristate (7.2), isopropyl palmitate (8.2), isobutyl myristate (7.7), isobutyl palmitate (8.8), and benzyl benzoate (4.4). (The numerical value in parentheses following the substance name is the ClogP value). Of these, isopropyl myristate and benzyl benzoate are preferred.

  (C) As a component, the thing whose vapor pressure in 25 degreeC is less than 0.01 mm / Hg is more preferable.

  Component (C) is a known substance and can be easily obtained or prepared on the market.

  As the component (C), a single type may be used, or a plurality of types may be used in combination.

The content of the component (C) is 0.1% by mass or more, preferably 0.1 to 5% by mass, more preferably 0.1 to 4% by mass, and still more preferably 0% with respect to the total mass of the liquid softening agent composition. .2-3 mass%. When the content of the component (C) is 0.1% by mass or more, a structural viscosity that enables stable dispersion of the functional capsule (component (D)) is obtained. When it is 5% by mass or less, a viscosity excellent in usability can be obtained.
In addition, when a functional capsule contains the substance applicable to (C) component, since the said substance localized in a capsule does not contribute to structural viscosity improvement, it is not included in calculation of the content of said (C) component.
On the other hand, when the component (E) (free perfume composition) contains a substance corresponding to the component (C), the substance contributes to the improvement of the structural viscosity, so it is included in the calculation of the content of the component (C).

  1-45 are preferable, as for mass ratio ((B) / (C)) with respect to (C) component of (B) component, 2-30 are more preferable, and 3-25 are the most preferable. When the mass ratio is the above, a liquid softener composition excellent in both capsule dispersibility and freeze-recoverability can be obtained.

  In order to obtain a higher structural viscosity, it is preferable to add the component (C) at the timing of forming an emulsion containing the components (A) and (B) during the production of the liquid softening agent composition.

[Component (D)]
Component (D) is a functional capsule.
(D) component is mix | blended in order to provide various functions resulting from the core substance enclosed in the capsule to a liquid softening agent composition.
The functional capsule is composed of a core material and a wall material covering the core material.

As a core substance, what is generally used as an encapsulating substance in the field of liquid softeners can be used without particular limitation. Specific examples include fragrances, essential oils, whitening agents, insect repellents (repellents), silicones, waxes, flavoring agents, vitamins, skin care agents, enzymes, probiotics, dyes, pigments, fragrance precursors, cooling sensations, Examples include warming agents, attractants such as pheromones, antibacterial agents, bleaching agents, flavoring agents, sweeteners, waxes, drugs, fertilizers, and herbicides.
A core substance may be used individually by 1 type, and may combine 2 or more types suitably.

  As the wall material, those generally used as an encapsulating material in the field of liquid softener composition can be used without particular limitation. Specific examples include natural polymers such as gelatin and agar, oily film forming substances such as fats and waxes, and synthetic polymers such as polyacrylic acid, polyvinyl, polymethacrylic acid, melamine, and urethane. A substance etc. can be mentioned, These 1 type can be used individually or 2 or more types can be used together suitably.

Specific examples of encapsulated fragrances having a fragrance as a core material include BLUEFLOWERPOP “FFMHN2814” manufactured by Firmenich, GREEN BREEZE CAPS, ORCHARD GARDEN CAPS, RAINBOW CAPS, VEROCAPAPS, AUROCAPAP, Examples thereof include UNICAP101 and UNICAP503.
Specific examples of the cooling sensation capsule having the cooling sensation agent as a core material include MultiSal SalCool, HydroSal FreshCool, SalSphere SalCool manufactured by SALVONA Technologies, and Neoge AROMA-C manufactured by Nikka Chemical Co., Ltd.
Specific examples of the warm capsule having the warm agent as a core substance include Riken Resin RMC-TO manufactured by Miki Riken Co., Ltd., Hydrostatic Heat manufactured by SALVONA Technologies, and the like.
Specific examples of the repellent capsule having the repellent as a core substance include Aninsen CLC-3600S using a toluamide compound manufactured by Daiwa Chemical Industry Co., Ltd., and Aninsen PCR-U using a piperidine compound.
Other specific examples include Riken Resin NFHO-W (antibacterial effect), Riken Resin RMC-HBP (insect repellent effect), RMC-PT (insect repellent effect) and the like manufactured by Miki Riken Co., Ltd.

  The particle diameter of the functional capsule is preferably 10 μm to 30 μm. The functional capsule having the particle size has excellent adsorptivity to clothing and can be stably dispersed in the liquid softening agent composition.

  Component (D) is a known substance, and can be easily obtained or prepared on the market.

  As the component (D), a single type may be used, or a plurality of types may be used in combination.

  The content of the component (D) is not particularly limited as long as the blending purpose can be achieved, but is preferably 0.01 to 5% by mass, more preferably 0.05 to 3% by mass with respect to the total mass of the liquid softening agent composition. %, More preferably 0.1 to 1% by mass.

[Optional ingredients]
You may mix | blend the following arbitrary components other than the essential component of said (A)-(D) with the liquid softening agent composition in the range which does not impair the effect of this invention.

[(E) component]
The component (E) is a free fragrance that is not encapsulated (hereinafter also referred to as “free fragrance”).
(E) A component is mix | blended for the fragrance | flavor improvement of a liquid softening agent composition, and the fragrance | flavor provision to a textiles.
(E) As a component, the fragrance | flavor component generally used as a fragrance | flavor in the liquid softening agent field | area can be especially used without a restriction | limiting. (E) A component can be suitably selected according to the objective, Single type may be sufficient and multiple types of combinations may be sufficient.
Specific examples include, for example, aldehydes, phenols, alcohols, ethers, esters, hydrocarbons, ketones, lactones, musks, fragrances having a terpene skeleton, natural fragrances, and animal fragrances. Can be mentioned. Specific examples of each fragrance are shown below.

[Aldehydes]
Undecylenaldehyde, lauryl aldehyde, aldehyde C-12MNA, miracaldehyde, α-amylcinnamic aldehyde, cyclamenaldehyde, citral, citronellal, ethyl vanillin, heliotropin, anisaldehyde, α-hexylcinnamic aldehyde, octanal, ligustral, lyial , Larals, triplar, vanillin, helional, etc.

〔Phenols〕
Eugenol, isoeugenol, etc.

[Alcohols]
Citronellol, dihydromyrcenol, dihydrolinalool, geraniol, linalool, nerol, sandalol, santarex, terpineol, tetrahydrolinalol, menthol, borneol, 1-decanal, bacdanol, phenylethyl alcohol, etc.

[Ethers]
Sedlum bar, glycalva, methyl eugenol, methyl isoeugenol, etc.

[Esters]
Cis-3-hexenyl acetate, cis-3-hexenyl propionate, cis-3-hexenyl salicylate, p-cresyl acetate, pt-butylcyclohexyl acetate, amyl acetate, methyl dihydrojasmonate, amyl salicylate, benzyl Salicylate, benzyl acetate, cedolyl acetate, citronellyl acetate, decahydro-β-naphthyl acetate, dimethylbenzylcarbinyl acetate, erikapropionate, ethyl acetoacetate, erica acetate, geranyl acetate, geranyl formate, hedion, linalyl acetate , Β-phenylethyl acetate, hexyl salicylate, styryl acetate, terpinyl acetate, vetiberyl acetate, ot-butyl Chlorhexyl acetate, manzanate, allyl heptanoate, etc.

[Hydrocarbons]
Limonene (particularly d-limonene), α-pinene, β-pinene, myrcene, camphene, terpinolene and the like.

[Ketone]
α-ionone, β-ionone, methyl-β-naphthyl ketone, α-damascone, β-damascone, δ-damascone, damassenone, cis-jasmon, methylyonone, allylyonone, cachemelan, dihydrojasmon, ISOE Super, belt fix, Isolone diforanone, coabon, carvone, rosephenone, raspberry ketone, dynascon and maltol.

[Lactones]
γ-decalactone, γ-undecalactone, γ-nonalactone, γ-dodecalactone, coumarin, ambroxan and the like.

[Musks]
Cyclopentadecanolide, ethylene brushate, galaxolide, musk ketone, tonalid, tonalide, nitromusks and the like.

[Perfume having a terpene skeleton]
Geraniol (geraniol), nerol, linalool, citral, citronellol, menthol, mint, citronellal, myrcene, α-pinene, β-pinene, limonene, terpineol, carvone, ionone (eg β-ionone), camphene, borneol and the like.

[Natural fragrance]
Orange oil, lemon oil, lime oil, petitgren oil, yuzu oil, neroli oil, bergamot oil, lavender oil, lavandin oil, abies oil, anise oil, bay oil, boadrose 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 Examples include essential oils such as oil, clove oil, clove leaf oil, cassia oil, nutmeg oil, cananga oil, and thyme oil.

[Animal flavor]
Incense, ghost cat incense, sea scent incense, dragon scent incense etc.

The component (E) is preferably a fragrance composition containing the fragrance component (hereinafter also referred to as “free fragrance composition”). In particular, a fragrance composition containing a fragrance component of aldehydes, ketones and hydrocarbons is preferred. Specific examples of this preferred fragrance composition include those containing one or more of the following fragrance components.

[Aldehydes]
Undecylenaldehyde, lauryl aldehyde, aldehyde C-12MNA, miracaldehyde, α-amylcinnamic aldehyde, cyclamenaldehyde, citral, citronellal, heliotropin, anisaldehyde, α-hexylcinnamic aldehyde, octanal, ligustral, lilyal, lyral, Tripral, vanillin, ethyl vanillin, helional

[Ketone]
α-ionone, β-ionone, methyl-β-naphthyl ketone, α-damascone, β-damascone, δ-damascone, cis-jasmon, methylyonone (methylionone), allylionone (allylionone), cachemelan, dihydrojasmon, iso-Esuper , Belt fix, isolone diforanone, coabon, rosephenone, raspberry ketone, dynascon, maltol

[Hydrocarbons]
Limonene, α-pinene, β-pinene, myrcene, terpinolene

  When the free fragrance composition contains aldehydes, ketones, and hydrocarbons as fragrance components, the total mass of these fragrance components is based on the total mass of the fragrance composition from the viewpoint of freeze-recoverability. The amount is preferably 10% by mass or more, more preferably 30% by mass or more, and particularly preferably 50% by mass or more.

You may mix | blend the solvent for fragrance | flavors with a free fragrance | flavor composition. As the perfume solvent, those generally used in the liquid softening agent field can be used without any particular limitation.
As described above, all or part of the perfume solvent may be the component (C). As perfume solvents other than the component (C), acetin (triacetin), MMB acetate (3-methoxy-3-methylbutyl acetate), sucrose diacetate hexaisobutyrate, ethylene glycol dibutyrate, hexylene glycol, dibutyl seba Kate, methyl carbitol (diethylene glycol monomethyl ether), carbitol (diethylene glycol monoethyl ether), TEG (triethylene glycol), propylene glycol, diethyl phthalate, tripropylene glycol, aborin (dimethyl phthalate), dipropylene glycol (DPG) , Farnesene, dioctyl adipate, tributyrin (glyceryl tributanoate), hydrolite-5 (1,2-pentanediol), propylene glycol Over diacetate, cetyl acetate (hexadecyl acetate), ethyl abietate, Abarin (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 composition solvent is, for example, 0.1 to 30 mass%, preferably 1 to 20 mass%, based on the total mass of the free fragrance composition.
When all or part of the fragrance composition solvent is the component (C), the content of the component (C) is, for example, 0.1 to 30% by mass, preferably 0, with respect to the total mass of the free fragrance composition. .2 to 20% by mass.

You may mix | blend the antioxidant for fragrance | flavors with a free fragrance | flavor composition. As the antioxidant for a fragrance, those generally used in the field of liquid softeners can be used without particular limitation. Specific examples include 2,6-di-t-dibutyl-4-hydroxytoluene (BHT), t-butyl-p-hydroxyanisole (BHA), p-methoxyphenol, β-naphthol, phenyl-α-naphthylamine, Tetramethyldiaminodiphenylmethane, γ-oryzanol, vitamin E (α-tocopherol, β-tocopherol, γ-tocopherol, δ-tocopherol), 2,2′-ethylidenebis (4,6-di-t-butylphenol), tris ( Tetramethylhydroxypiperidinol) 1/3 citrate, bis (2,2,6,6-tetramethyl-4-piperidyl) sebacate, quercetin, 4,4'-bis (α, α-dimethylbenzyl) ) Diphenylamine and the like. 2,6-di-t-dibutyl-4-hydroxytoluene is preferred.
The content of the antioxidant is, for example, 0.001 to 10% by mass, preferably 0.01 to 5% by mass, based on the total mass of the free fragrance composition.

  The content of the component (E) is not particularly limited as long as the purpose of blending can be achieved, but is preferably 0.1 to 5% by mass, more preferably 0.3 to 4% by mass with respect to the total mass of the liquid softening agent composition. %, Particularly preferably 0.5 to 3% by mass. When the content of the component (E) is 0.1% by mass or more, the aftertaste of the liquid softening agent composition becomes better, and when it is 5% by mass or less, the storage stability of the liquid softening agent composition becomes better. Become.

(Water-soluble solvent)
In order to further improve the stability of the liquid softening agent composition, in particular, to further improve the freeze-restoring property, a water-soluble solvent other than the component (C) can be blended.
The water-soluble solvent is preferably one or more selected from the group consisting of alcohols having 1 to 4 carbon atoms, glycol ether solvents, and polyhydric alcohols. Specifically, it is preferable to blend a solvent component selected from ethanol, isopropanol, diethylene glycol, dipropylene glycol, hexylene glycol, polyoxyethylene phenyl ether, and a water-soluble solvent represented by the following general formula (X). .
R ⁶ —O— (C ₂ H ₄ O) _y — (C ₃ H ₆ O) _Z —H (X)
(In the formula, R ⁶ is an alkyl group or alkenyl group having 1 to 6 carbon atoms, preferably 2 to 4 carbon atoms, y and z are average addition mole numbers, and y is 1 to 10, preferably 2 to 2. And z is 0-5, preferably 0-2.)
Of those mentioned above, ethanol, butyl carbitol, dipropylene glycol monomethyl ether and diethylene glycol monobutyl ether are preferred.
The content of the water-soluble solvent is not particularly limited, but is preferably 0 to 30% by mass, more preferably 0.01 to 25% by mass, and further preferably 0.1 to 20% by mass with respect to the total mass of the liquid softening agent composition. %.

[Sugar-based compounds]
The sugar-based compound can be formulated for further improving the stability of the liquid softening agent composition, in particular, further improving the freeze-restoration property.
The number of repeating units (polymerization degree) of the sugar skeleton in the sugar compound is preferably 1 to 40, more preferably 1 to 20, particularly preferably 1 to 5 (that is, a monosaccharide and an oligo having a polymerization degree of more than 1 and 5 or less. Sugar). Preferred sugar compounds include monosaccharides, disaccharides, oligosaccharides and sugar alcohols.
Specific examples of the sugar compounds include glucose, fructose, galactose, arabinose, ribose, maltose, isomaltose, cellobiose, lactose, sucrose, trehalose, talose, maltotriose, isomaltotriose, and partial hydrolysis of natural polysaccharides. Examples thereof include oligosaccharides obtained from decomposition and compounds (sugar derivatives) in which substituents are introduced into these sugars. Examples of the substituent that can be introduced include an alkyl group, an alkenyl group, an alkoxy group, a hydroxyalkyl group, an amine group, a quaternary ammonium group, and a carboxyl group. Especially, a C1-C18 alkyl group, an alkenyl group, or an alkoxy group is preferable, a C1-C12 alkyl group, an alkenyl group, or an alkoxy group is more preferable, and a C1-C6 alkyl group is more preferable, Most preferred are alkyl groups having 1 to 3 carbon atoms.
Examples of the sugar compound include at least one selected from monosaccharides and oligosaccharides having a degree of polymerization of 1 to 5, and compounds in which a hydrogen atom of at least one hydroxyl group of the monosaccharide and oligosaccharide is substituted with an alkyl group. preferable. Trehalose is preferable from the viewpoint of freeze-recoverability.
Examples of the sugar alcohol include erythritol, threitol, pentitol, hexitol, dulcitol, sorbitol, mannitol, boremitol, perseitol, xylitol, maltitol, lactitol, and the like.
A single type of sugar compound may be used, or a plurality of types may be used in combination.
The content of the sugar compound is not particularly limited as long as the purpose of blending can be achieved, but is 0.01 to 10% by weight, preferably 0.05 to 7% by weight, more preferably, based on the total weight of the liquid softener composition. It is 0.1-5 mass%.

[Dye and / or pigment]
Dyes and pigments can each be formulated to improve the appearance of the liquid softener composition.
For both dyes and pigments, components known in the field of liquid softeners can be used without particular limitation. Specific examples of the dyes that can be added are described in the Dye Handbook (edited by the Society of Synthetic Organic Chemistry, published on July 20, 1970, Maruzen Co., Ltd.). JP-A-6-123081, JP-A-6-123082, JP-A-7-18573, JP-A-8-27669, JP-A-9-250085, JP-A-10-77576, The dyes described in JP-A-11-43865, JP-A-2001-181972, JP-A-2001-348784, etc. can also be used.
Preferably, it is one or more of red, blue, yellow or purple water-soluble dyes selected from acid dyes, direct dyes, basic dyes, reactive dyes, and mordant / acid mordant dyes.
About each of dye and a pigment, you may use individually by 1 type and may use it as a mixture which consists of 2 or more types. Moreover, you may use together a dye and a pigment.
The blending amounts of the dye and the pigment are not particularly limited as long as the blending purpose can be achieved, but is preferably 1 to 50 ppm, more preferably 1 to 30 ppm with respect to the total mass of the liquid softening agent composition.

〔Preservative〕
An antiseptic | preservative can mainly be mix | blended in order to strengthen the antiseptic | preservative power and bactericidal power of a liquid softening agent composition, and to preserve | save preservative during long-term storage.
As the preservative, known components in the field of liquid softeners can be used without particular limitation. Specific examples include isothiazolone organic sulfur compounds, benzisothiazolone organic sulfur compounds, benzoic acids, 2-bromo-2-nitro-1,3-propanediol, and the like.
Examples of isothiazolone organic sulfur compounds include 5-chloro-2-methyl-4-isothiazoline-3-one, 2-n-butyl-3-isothiazolone, 2-benzyl-3-isothiazolone, 2-phenyl-3-isothiazolone. 2-methyl-4,5-dichloroisothiazolone, 5-chloro-2-methyl-3-isothiazolone, 2-methyl-4-isothiazolin-3-one, and mixtures thereof. Of these, 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one are preferred, and 5-chloro-2-methyl-4-isothiazolin-3-one and 2 -Methyl-4-isothiazolin-3-one is more preferable, and a mixture of about 77% by mass of the former and about 23% by mass of the latter and a diluted solution thereof (for example, isothiazolone solution) are particularly preferable. Includes Caisson CG-ICP manufactured by Dow Chemical Company.
Examples of benzisothiazolone-based organic sulfur compounds include 1,2-benzisothiazoline-3-one, 2-methyl-4,5-trimethylene-4-isothiazolin-3-one, and dithio-2,2-bis ( Benzmethylamide) and mixtures thereof. Among them, 1,2-benzisothiazolin-3-one is particularly preferable. Specific examples include Nipperside manufactured by Clariant Co., Ltd., Proxel BDN, Proxel GXL, Proxel XL, Proxel LV, and Proxel manufactured by Lonza Co., Ltd. CRL, proxel NBZ, proxel AM, proxel B20 and the like can be mentioned.
Examples of the benzoic acid include benzoic acid or a salt thereof, parahydroxybenzoic acid or a salt thereof, methyl paraoxybenzoate, ethyl paraoxybenzoate, propyl paraoxybenzoate, butyl paraoxybenzoate, and benzyl paraoxybenzoate.
The content of the preservative is not particularly limited as long as the purpose of blending can be achieved, but is preferably 0.0001 to 1% by mass with respect to the total mass of the liquid softening agent composition. When the content is 0.0001% by mass or more, a preservative compounding effect is sufficiently obtained, and when it is 1% by mass or less, the high storage stability of the liquid softening agent composition can be sufficiently maintained.

[Ultraviolet absorber]
UV absorbers can be formulated to protect the liquid softener composition from UV radiation.
The ultraviolet absorber is a component that exhibits an ultraviolet protection effect by absorbing ultraviolet rays, converting them into infrared rays and visible rays, and releasing them.
As the ultraviolet absorber, components known in the field of liquid softeners can be used without particular limitation. Specific examples include, for example, aminobenzoic acid derivatives such as p-aminobenzoic acid, ethyl p-aminobenzoate, glyceryl p-aminobenzoate, and amyl p-dimethylaminobenzoate; ethylene glycol salicylate, dipropylene glycol salicylate , Salicylic acid derivatives such as octyl salicylate and myristyl salicylate; methyl diisopropylcinnamate, ethyl p-methoxycinnamate, isopropyl p-methoxycinnamate, p-methoxycinnamate-2-ethylhexyl and p-methoxycinnamate Cinnamic acid derivatives such as butyl cinnamate; benzophenone derivatives such as 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid and 2,2′-dihydroxy-4-methoxybenzophenone; Urocanic acid, Azole compounds such as ethyl urocanate; 4-t-butyl-4′-methoxybenzoylmethane and the like.
Although the content of the ultraviolet absorber is not particularly limited as long as the blending purpose can be achieved, it is preferably 0.001 to 5% by mass with respect to the total mass of the liquid softening agent composition.

[Antimicrobial agent]
Antimicrobial agents can be formulated to increase the shelf life of the liquid softener composition.
As the antibacterial agent, known components in the liquid softening agent field can be used without particular limitation. Specific examples include, for example, diclosan, triclosan, benzalkonium chloride, bis- (2-pyridylthio-1-oxide) zinc, 8-oxyquinoline, biguanide compounds (for example, polyhexamethylene biguanide), chlorohexidine hydrochloride, And polylysine. Among these, benzalkonium chloride, biguanide compounds, and chlorohexidine hydrochloride are preferable.
The content of the antibacterial agent is not particularly limited as long as the blending purpose can be achieved, but is preferably 0.001 to 5% by mass with respect to the total mass of the liquid softening agent composition.

[Other optional ingredients]
In addition to the aforementioned optional components, antioxidants and reducing agents for improving the stability of the fragrance and color tone of the liquid softener composition, emulsion agents (polystyrene emulsion, etc.), opaque agents, anti-shrink agents, and laundry Anti-wrinkle agent, shape retention agent, drape retention agent, ironability improver, oxygen bleach inhibitor, whitening agent, whitening agent, fabric softening clay, antistatic agent, dye transfer inhibitor (such as polyvinylpyrrolidone), high Molecular dispersant, stain remover, scum dispersant, fluorescent brightener (4,4-bis (2-sulfostyryl) biphenyl disodium (such as Chino Pearl CBS-X manufactured by Ciba Specialty Chemicals), dye fixing agent, anti-fading Agents (1,4-bis (3-aminopropyl) piperazine, etc.), stain removers, fiber surface modifiers (cellulase, amylase, protease, lipase, keratinase, etc.) Enzymes), foam suppressors, moisture-absorbing / releasing components such as silk texture and function (silk protein powders, surface modification products thereof, emulsified dispersions, specifically K-50, K-30, K- 10, A-705, S-702, L-710, FP series (Idemitsu Petrochemical), hydrolyzed silk fluid (upper hair), Silken G Solvel S (Ichimaru Falcos)) and antifouling agents (alkylene terephthalate and / or Alternatively, a nonionic polymer compound composed of an alkylene isophthalate unit and a polyoxyalkylene unit (for example, FR627 manufactured by Kanayo Chemical Industry Co., Ltd., SRC-1 manufactured by Clariant Japan, etc.) and the like can be appropriately blended.

〔water〕
The liquid softener composition is preferably a liquid aqueous composition containing water.
As water, any of tap water, ion exchange water, pure water, distilled water, and the like can be used. Of these, ion-exchanged water is preferred.

[PH of liquid softener composition]
Although the pH of a liquid softening agent composition is not specifically limited, From a viewpoint of the hydrolysis suppression of the (A) component accompanying a storage day, more acidic pH is preferable, and the pH in 25 degreeC is in the range of 1-6. It is preferable that it is within a range of 1.5 to 5, more preferably within a range of 2 to 4.
For pH adjustment, hydrochloric acid, sulfuric acid, phosphoric acid, alkyl sulfuric acid, benzoic acid, p-toluenesulfonic acid, citric acid, malic acid, succinic acid, lactic acid, glycolic acid, hydroxyethane diphosphonic acid, phytic acid, ethylenediaminetetraacetic acid, A short-chain amine compound such as dimethylamine, an alkali metal hydroxide such as sodium hydroxide, an alkali metal carbonate, or a pH adjuster such as an alkali metal silicate can be used.

[Viscosity of liquid softener composition]
The liquid softener composition has a structural viscosity capable of stably dispersing the component (D), but the viscosity is preferably less than 1000 mPa · s from the viewpoint of usability.
Considering the increase in viscosity due to storage aging, the viscosity immediately after production is more preferably less than 800 mPa · s, and further preferably less than 500 mPa · s. When it is less than 800 mPa · s, the usability such as the handling property at the time of charging into the washing machine is good. From the viewpoint of usability, the lower limit of the viscosity is not particularly limited.
In order to adjust the viscosity of the liquid softener composition, inorganic or organic water-soluble salts, highly branched cyclic dextrins, and the like can be used. Specific examples of the water-soluble salts include calcium chloride, magnesium chloride, sodium chloride, sodium p-toluenesulfonate, sodium citrate and the like, among which calcium chloride, magnesium chloride and sodium citrate are preferable. The compounding quantity of a viscosity modifier is 0.001-1.0 mass% with respect to the total mass of a liquid softening agent composition, for example, Preferably it is 0.005-0.8 mass%, More preferably, it is 0.01-0. .6% by mass. The water-soluble salt may be blended in any step of manufacturing the liquid softening agent composition.
The viscosity of the liquid softener composition refers to a viscosity value (25 ° C.) at 30 rpm of a B-type viscometer (for example, an analog viscometer T manufactured by Brookfield).

[Method for producing liquid softener composition]
The manufacturing method of a liquid softening agent composition is not specifically limited. It can be produced by a known production method, for example, a method similar to a known production method using a cationic surfactant as a main agent.
For example, an oil phase containing (A) component, (B) component, (C) component and (E) component and an aqueous phase containing water are mixed under temperature conditions equal to or higher than the melting point of (A) component. It can manufacture by preparing an emulsion and adding and mixing (D) component and the remaining (B) component, a viscosity regulator, and another component as needed with respect to the obtained emulsion.
The oil phase can be prepared by mixing the component (A), the component (B), the component (C), the component (E), and an optional component as necessary at a temperature equal to or higher than the melting point of the component (A). .
The aqueous phase can be prepared by mixing water and optional components as necessary.
In addition, the addition method of a viscosity modifier is not limited to said addition method. That is, the viscosity modifier can be added to the aqueous phase.

[Method of using liquid softener composition]
The processing method of the textiles using a liquid softening agent composition is not restrict | limited in particular, It can use similarly to the conventional liquid softening agent. For example, in the rinsing stage of washing, the liquid softener composition is dissolved in water for treatment, or in a container such as a tub, the liquid softener composition is dissolved in water, and the textile is further immersed. There is a way to handle it. In either case, it is used after being diluted to an appropriate concentration, but the bath ratio (weight ratio of the treatment liquid to the textile product) is preferably 3 to 100 times, particularly preferably 5 to 50 times. Specifically, it is used in such an amount that the concentration of the component (A) is preferably 0.01 ppm to 1000 ppm, more preferably 0.1 ppm to 300 ppm with respect to the total amount of water used.
The kind of the textile product which can be treated with the liquid softening agent composition is not particularly limited, and examples thereof include clothing, curtains, sofas, carpets, towels, handkerchiefs, sheets, and macula covers. The material may also be natural fibers such as cotton, silk, and wool, or chemical fibers such as polyester.

EXAMPLES Hereinafter, although an Example demonstrates this invention further in detail, this invention is not limited to this.
In the examples and comparative examples, the blending amounts of the components are all expressed in mass% (in terms of pure content, unless otherwise specified).

[Component (A)]
The following A-1 was used.

A-1: A cationic surfactant described in Example 4 of JP-A No. 2003-12471. A-1 is a compound represented by the general formulas (A1-4), (A1-5) and (A1-6) (in each formula, R ⁹ is an alkyl group or alkenyl group having 15 to 17 carbon atoms). ) Is quaternized with dimethyl sulfate.

[(B) component]
The following B-1 to B-2 were used.

B-1: Polyoxyethylene isotridecyl ether EO 60 mol (corresponding to an average EO 60 mol adduct of primary isotridecyl alcohol)
B-2: Polyoxyethylene lauryl ether EO 30 mol (corresponding to an average EO 30 mol adduct of lauryl alcohol)

[Component (C)]
The following C-1 to C-3 were used.

C-1: Isopropyl myristate (ClogP value: 7.2. Vapor pressure at 25 ° C .: 0.00033 mm / Hg) (manufactured by Tokyo Chemical Industry Co., Ltd.)
C-2: Benzylbenzoate (ClogP value: 4.4. Vapor pressure at 25 ° C .: 0.00025 mm / Hg) (manufactured by Tokyo Chemical Industry Co., Ltd.)
C-3: Dipropylene glycol (ClogP value: -0.6) (manufactured by Tokyo Chemical Industry Co., Ltd.)

[Component (D)]
The following D-1 to D-2 were used.

D-1: GreenBreeze (Givaudan encapsulated fragrance)
D-2: Aninsen PCR-U (Repellent capsule manufactured by Daiwa Chemical Industry Co., Ltd.)

[(E) component]
The free fragrance | flavor composition E-1 which has a composition of Table 1 was used. The value of the fragrance | flavor component of Table 1 is a content (mass%) with respect to the gross mass of a fragrance | flavor composition. In addition, the total mass of each fragrance | flavor component of aldehydes, ketones, and hydrocarbons was 40 mass% with respect to the total mass of E-1. Moreover, E-1 did not contain the substance applicable to (C) component.

[Common ingredients]
The following F-1 to F-2 were used.

[Common ingredients (F-1)]
(Water-soluble solvent)
95% synthetic ethanol (pure chemistry) (ClogP value: -0.2)

〔Preservative〕
1,2-benzisothiazolin-3-one (manufactured by Clariant Japan Ltd., trade name: Nipacide BIT20)

[Viscosity modifier]
Calcium chloride (product name: granular calcium chloride, manufactured by Tokuyama Corporation)

The content of each component of (F-1) is shown in Table 2-1.

[Common ingredients (F-2)]
(Water-soluble solvent)
95% synthetic ethanol (genuine chemistry)

〔Preservative〕
1,2-benzisothiazolin-3-one (manufactured by Clariant Japan Ltd., trade name: Nipacide BIT20)

(Viscosity modifier)
Highly branched cyclic dextrin (manufactured by Glico Nutrition Foods Co., Ltd., trade name: cluster dextrin)
Calcium chloride (Made by Tokuyama Co., Ltd., trade name: granular calcium chloride)

The content of each component of (F-2) is shown in Table 2-2.

[Method for preparing liquid softener composition]
A liquid softener composition having the composition shown in Table 3 below was prepared. In Table 3, the numerical unit of each component is mass% with respect to the total mass of the liquid softener composition.
“(B) / (A)” in Table 3 represents a mass ratio of the component (B) to the component (A). Furthermore, “(B) / (C)” in Table 3 represents the mass ratio of the component (B) to the component (C).
The liquid softening agent composition was prepared by the following procedure using a glass container (inner diameter 100 mm, height 150 mm) and a stirrer (Agitator SJ type, manufactured by Shimadzu Corporation).
First, (A) component, (C) component, (E) component, a part of (B) component (2.0 mass% with respect to the total amount, and a water-soluble solvent were mixed and stirred, and the oil phase mixture was obtained.
On the other hand, the preservative was dissolved in ion-exchange water for balance to obtain an aqueous phase mixture. Here, the mass of ion-exchange water for balance corresponded to the balance obtained by subtracting the total amount of the oil phase mixture, the remaining component (B), the component (D), and the viscosity modifier from 980 g.
Next, the oil phase mixture heated above the melting point of component (A) is placed in a glass container and stirred, and the aqueous phase mixture heated above the melting point of component (A) is added in two portions. And stirred. Here, the division ratio of the aqueous phase mixture was 30:70 (mass ratio), and the stirring was performed at a rotational speed of 1,000 rpm for 2 minutes after the first aqueous phase mixture addition and for 2 minutes after the second aqueous phase mixture addition. It was.
Thereafter, the remainder of component (B), component (D) and viscosity modifier are added, and hydrochloric acid (reagent 1 mol / L, Kanto Chemical) or sodium hydroxide (reagent 1 mol / L, Kanto Chemical) as necessary. Was added to adjust the pH to 3.0 (25 ° C.), and ion-exchanged water was further added so that the total mass became 1,000 g to obtain the intended liquid softener composition.

[Evaluation of liquid softener composition]
The prepared liquid softening agent composition was evaluated for “dispersibility of functional capsule”, “freezing / restoring property”, and “effect of functional capsule”.

[Dispersibility of functional capsule]
An evaluation sample was prepared by placing 80 mL of a liquid softening agent composition in a lightweight PS glass bottle (PS-No. 11, manufactured by Tanuma Glass Industrial Co., Ltd.) and sealing it at 25 ° C. for 3 months.
The evaluation panel visually evaluated the sample for evaluation according to the following four-step evaluation criteria.

<Evaluation criteria>
4: Permitted to be equivalent to the sample before storage 3: Slightly floating 2: Slightly floating, but easily redispersed by light shaking 1: Floating observed, adhering to glass bottle Re-dispersion is difficult with light shaking

The dispersion stability of the functional capsule was determined according to the following criteria based on the average score (calculated to the first decimal place) of eight professional panelists. The results are shown in the “capsule dispersibility” column of Table 3. From the viewpoint of commercial value, a value of ○ or more is preferable.

<Criteria>
◎: 3 points to 4 points ○: 2 points to less than 3 points △: 1 point to less than 2 points ×: 0 point to less than 1 point

(Freezing and restoring properties)
A sample for evaluation was prepared by putting 80 mL of a liquid softening agent composition into a lightweight glass bottle (PS-No. 11, manufactured by Tanuma Glass Industrial Co., Ltd.) and sealing it.
The cycle of holding (freezing) the sample for evaluation at −15 ° C. for 40 hours and then holding (dissolving) at 25 ° C. for 8 hours was repeated three times.
Next, a specialized panelist visually evaluated the liquid state of the evaluation sample at 25 ° C. according to the following evaluation criteria.

<Evaluation criteria>
5: Fluidity is sufficient, and almost no change is observed compared to before the durability test.
4: Although an increase in viscosity is observed compared to before the durability test, the fluidity is sufficient.
3: An increase in viscosity is observed as compared to before the durability test, but fluidity is observed.
2: Viscosity increases compared to before the endurance test and is not very fluid.
1: The viscosity is remarkably increased as compared to before the durability test, and there is almost no fluidity.
0: The viscosity is remarkably increased as compared to before the durability test, and there is no fluidity.

Freezing and restoring properties were determined according to the following criteria based on the average score (calculated to the first decimal place) of 8 professional panelists. The results are shown in the “Freezing / Recovering” column of Table 3. In terms of product value, ○ or more was considered acceptable.

<Criteria>
◎: 4.0 or more ○: 3.0 or more, less than 4.0 points Δ: 2.0 or more to less than 3.0 points ×: less than 2.0 points

[Effects of functional capsule]
1. 1. Treatment of cotton towel with liquid softener composition 1-1. Pretreatment A commercially available cotton towel (manufactured by Toshinsha) was subjected to pretreatment using a commercially available detergent “Top Platinum Clear” (manufactured by Lion) in a two-tank washing machine (Toshiba VH-30S). Amount: standard, 30 times bath ratio, tap water at 45 ° C., 10 minutes wash followed by 2 10 minute water rinses). This pretreatment was performed three times.

1-2. Treatment in the rinsing process during washing 1.0 kg of the pretreated cotton towel is subjected to a washing treatment using a commercially available detergent “Top Platinum Clear” (manufactured by Lion) in a two-tank washing machine (Toshiba VH-30S). (Detergent usage: standard. Standard course. 30 times bath ratio. Tap water at 25 ° C. for 10 minutes). After the washing treatment, the first rinse was performed for 3 minutes. The first rinse was followed by a second rinse for 3 minutes. At the start of the second rinsing, the liquid softener composition sucked with a dropper from the center of the liquid of the sample after storage at 25 ° C. for 3 months described in the column of [Functional Capsule Dispersibility] is added for 3 minutes. Softening treatment (liquid softening agent composition: 6.67 mL. Bath ratio 20 times. Tap water at 25 ° C.) was performed. Dehydration was carried out for 1 minute between each washing and rinsing process.
After the treatment, a cotton towel was taken out from the two-tank washing machine and dried under constant temperature and humidity conditions of 20 ° C. and 40% RH for 24 hours to obtain a treatment cloth for evaluation.

1-3. Residual odor evaluation (other than Example 9)
After the above treatment, an expert panelist sensory-evaluated the fragrance intensity of the cotton towel according to the following 6-step odor intensity display method.

<6-level odor intensity display method>
0: Odorless.
1: Scent that can be finally detected.
2: Scent enough to understand what scent.
3: A scent that can be easily detected.
4: Strong scent.
5: Strong scent.

Based on the average score (calculated to the first decimal place) of 8 professional panelists, the residual fragrance (fragrance persistence) of the functional capsule was determined according to the following criteria. The results are shown in the “Remaining Aroma” column of Table 3. In terms of product value, ○ or more was considered acceptable.

<Criteria>
A: 3.0 points or more B: 2.0 points or more and less than 3.0 points.
Δ: 1.0 point or more and less than 2.0 point.
X: Less than 1.0 point.

1-4. Repellent effect evaluation (Example 9)
In a room (at room temperature of 25 ° C.), 10 female Aedes aegypti were placed in a 30 cm × 30 cm × 30 cm bag. Insert an arm wrapped with a cotton towel (blank) that has not been treated with a liquid softener containing a repellent-containing capsule into the bag, and count the number (A) of Aedes albopictus moored on the exposed skin for 30 seconds. did.
A cotton towel treated with a liquid softening agent composition according to the above 1-2 is wrapped around the arm, and then the arm is inserted into a bag containing 10 human striped females in the same manner as the blank, and the striped human striped moat is anchored on the exposed skin portion for 30 seconds. (B) was counted.
From the values of A and B, the repelling rate (%) was calculated by the following formula.
Repelling rate (%) = (A−B) / A × 100
The results are shown in the “repelling effect” column of Table 3. In terms of product value, ○ or more was considered acceptable.

<Evaluation criteria>
A: Repelling rate 60% or more B: Repelling rate 40% or more and less than 60% B: Repelling rate 20% or more and less than 40% X: Repelling rate 20% or less

  The present invention can be used in the softener field.

Claims (5)

A liquid softener composition comprising the following components (A) to (D):
(A) From the group consisting of an amine compound having 1 to 3 hydrocarbon groups having 10 to 26 carbon atoms in the molecule, a salt thereof and a quaternized product thereof, which may be separated by an ester group and / or an amide group. At least one compound selected,
(B) nonionic surfactant,
(C) a solvent having a ClogP value of 3.0 or more, and (D) a functional capsule,
(C) The liquid softening agent composition whose content of a component is 0.1 mass% or more with respect to the total mass of the said liquid softening agent composition. (A) The content of the component is 3 to 30% by mass with respect to the total mass of the liquid softening agent composition,
(B) The content of the component is 0.8 to 10% by mass with respect to the total mass of the liquid softener composition,
The content of the component (C) is 0.1 to 5% by mass with respect to the total mass of the liquid softener composition.
The liquid softener composition according to claim 1. The mass ratio ((B) / (A)) of the component (B) to the component (A) is 0.10 to 1.0,
The mass ratio ((B) / (C)) of the component (B) to the component (C) is 1 to 30,
The liquid softening agent composition according to claim 1 or 2.   The liquid softener composition according to any one of claims 1 to 3, wherein the component (C) is selected from the group consisting of isopropyl myristate, isopropyl palmitate, isobutyl myristate, isobutyl palmitate, and benzyl benzoate. .   The liquid softness according to any one of claims 1 to 4, wherein the component (B) is an average EO 10-100 mol adduct of lauryl alcohol or an average EO 10-100 mol adduct of primary isotridecyl alcohol. Agent composition.