JP3365989B2 - Softener composition - Google Patents

Description

Description: TECHNICAL FIELD [0001] The present invention relates to a fabric softener composition. Heretofore, quaternary ammonium salts and tertiary amine salts having a long-chain alkyl group have been used as softeners. Attempts have also been made to blend an antimicrobial agent into the softener composition from the viewpoint of hygiene and deodorization of textile products. JP Hei 10
JP-A-512015 discloses water-insoluble 4 as a softener.
A softener composition containing a quaternary ammonium salt and a water-soluble quaternary ammonium salt as an antibacterial agent is disclosed. However, such a composition has a low effect of suppressing malodors generated from clothing such as an unpleasant odor when washed and dried indoors and an odor derived from sweat when worn, and particularly has a low effect on synthetic textiles. There is a problem. In addition, the softening effect was not at a satisfactory level, and the softening effect of synthetic textiles was particularly insufficient. SUMMARY OF THE INVENTION An object of the present invention is to provide a synthetic textile which has a high effect of suppressing odors generated from clothing such as odor caused by sweat when worn, and has an excellent softening effect. It is an object of the present invention to provide a textile softener composition. The present invention relates to (a) a compound having (a) an ester group and / or an amide group in a molecule, and one or more alkyl or alkenyl groups having 10 to 22 carbon atoms. Tertiary amine and / or acid salt thereof having 3 to 50% by weight
And (b) a textile softener composition containing the compound of the following general formula (1). [0005] Wherein two or three of R ¹ , R ² , R ³ and R ⁴ are alkyl groups having 8 to 12 carbon atoms, and
An alkyl group having 1 to 3 carbon atoms, a hydroxyalkyl group having 1 to 3 carbon atoms, or an arylalkyl group having 7 to 15 carbon atoms in total;
Z ^- is an anionic group. BEST MODE FOR CARRYING OUT THE INVENTION As the component (a) of the present invention, a compound represented by the following general formula (2) is preferable from the viewpoint of deodorizing effect of synthetic textiles. [0008] (Wherein R ⁵ and R ^{7 each} represent an alkyl group or an alkenyl group having 10 to 22 carbon atoms, preferably 12 to 18 carbon atoms, and X and Y represent —COO—, —CONR ¹⁰ —, and —OCO
—, —NR ¹⁰ CO—, and preferably at least one of them is —COO— or —OCO—. Here, R ¹⁰ represents a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkylene group, preferably a hydrogen atom. R ⁶ and R ^{8 each} represent an alkylene group having 1 to 5 carbon atoms; R ⁹ represents an alkyl group having 1 to 3 carbon atoms or a hydroxyalkylene group; or R ⁵ —X—R ⁶ — Is also good. Particularly preferred compounds among the compounds of the general formula (2) are the following compounds. [0010] (R ⁵ and R ⁷ represent an alkyl group or an alkenyl group having 12 to 18 carbon atoms which may be the same or different.) The component (a) of the present invention comprises a compound of the general formula (2) It is preferable to use a compound of the following general formula (3) in combination to improve the softening effect. Embedded image (Wherein, R ¹¹ represents an alkyl or alkenyl group having 10 to 22 carbon atoms, preferably 12 to 18 carbon atoms;
W is ^{-COO -, - CONR 15 -,} - OCO -, - NR
It is a group selected from ¹⁵ CO-. Here, R ¹⁵ represents a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkylene group, preferably a hydrogen atom. R ¹² and R ¹³ are an alkylene group having 1 to 5 carbon atoms, and R ¹⁴ is an alkylene group having 1 to 5 carbon atoms.
3 represents an alkyl group or a hydroxyalkylene group,
Or R ¹¹ -W-R ¹² - may be. In the present invention, the compound of the general formula (3) / the compound of the general formula (2) is preferably in a weight ratio of 1/1 to 1/50, more preferably 1 to 1/50.
/ 2 to 1/30, more preferably 1/3 to 1/20, from the viewpoint of the softening effect. The component (a) of the present invention is preferably used in the form of an acid salt neutralized with an inorganic or organic acid from the viewpoint of a softening effect.
And at least one selected from fatty acids having up to 12 carbon atoms and alkyl sulfuric acids having 1 to 3 carbon atoms. The neutralization may be carried out before the component (a) is added to the composition, or after the component (a) is added. In the present invention, the compound of the above general formula (1) is contained as the component (b). In formula (1), the anion group represented by Z ⁻ is preferably a sulfate ion, a halogen ion, a fatty acid ion having 1 to 12 carbon atoms, or an alkyl sulfate ion having 1 to 3 carbon atoms. The softener composition of the present invention has a component (a) content of 3 to 50% by weight, preferably 3 to 40% by weight, more preferably 5 to 35% by weight. Preferably from 0.01 to 15% by weight, more preferably from 0.1 to 15% by weight.
10% by weight is blended. Further, from the viewpoints of storage stability of the softener composition, imparting texture to textiles, and effect of suppressing odor in synthetic textiles, the mixing ratio of (b) / (a) is preferably 1/50 by weight. ~ 1/1, more preferably 1/30 ~
1/2, more preferably 1/20 to 1/2 is desirable. The softener composition of the present invention is preferably in the form of an aqueous composition in which the components (a) and (b) are dissolved or dispersed in water. The water used is preferably water from which ionic components contained in water, such as distilled water and ion-exchanged water, have been removed.
Water is present in the composition at 40-90% by weight, especially 60-8%.
It is desirable to mix 5% by weight from the viewpoint of storage stability. Furthermore, it is desirable that the composition of the present invention adjusts the pH at 20 ° C. of the composition to 2 to 5, preferably 2.5 to 4 from the viewpoints of the odor control effect and the storage stability. In the present invention, from the viewpoint of storage stability, it is preferable to add a nonionic surfactant or an anionic surfactant of the component (c) in addition to the components (a) and (b). . As the nonionic surfactant, a compound having 8 to 8 carbon atoms is used.
Polyoxyethylene alkyl ethers having 20 alkyl groups or alkenyl groups are preferred, and nonionic surfactants of the general formula (4) are more preferred. R ¹⁶ -T-[(R ¹⁷ O) pH] q (4) (wherein, R ¹⁶ has 10 to 18 carbon atoms, preferably 12 to 12 carbon atoms.
And R ¹⁷ is an alkylene group having 2 or 3 carbon atoms, preferably an ethylene group. Also, p is 2 to 100, preferably 5 to 8
0, more preferably a number from 10 to 80. Further, T is -O- or -CON-, -N-, q is 1 when T is -O-, and q is 2 when T is -CON- or -N-. ) More preferred examples of the compound of the general formula (4) include the following compounds. [0022] (wherein, the .r R ¹⁶ is indicating the meaning of the 5-100, preferably a number ^{10~80.) R 16 -O- (C} 2 H 4 O) r -H R 16 _{-O- (C 2 H 4 O)} s (C 3 H 6 O) t -H ( wherein, R ¹⁶ is 2 to 40 each independently .s and t indicating the significance and is preferably 5 to 40 S + t
Is a number from 10 to 80, and ethylene oxide and propylene oxide may be random or block adducts. [Image Omitted] (Wherein, R ¹⁶ has the meaning described above. U + v
Is a number from 10 to 80. The amount of the nonionic surfactant is 0.5 to 10% by weight, preferably 1 to 8% by weight in the composition from the viewpoint of storage stability.
% By weight is desirable. It is preferable to add an anionic surfactant for the purpose of improving the texture of the fiber product, and among them, a fatty acid or a salt thereof is preferable. Specifically, caprylic acid,
It is capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid or a mixture thereof. In particular, one or more selected from lauric acid, stearic acid, and oleic acid are preferable. Further, fatty acids having an alkyl composition derived from coconut oil, palm oil, palm kernel oil, and tallow are also preferable. When used as a salt, a sodium salt, a potassium salt, a magnesium salt, and a calcium salt are preferable, and a sodium salt is particularly preferable. The amount of the anionic surfactant is preferably 0.01 to 5% by weight, particularly preferably 0.5 to 3% by weight. In the present invention, from the viewpoint of storage stability, an ester compound of a saturated or unsaturated fatty acid having 8 to 22 carbon atoms and a polyhydric alcohol is added in an amount of 0.1 to 10% by weight, preferably 0.5 to 10% by weight, in the composition. It is preferable to mix 〜5% by weight. As the ester compound, triglyceride, diglyceride, monoglyceride and pentaerythritol mono, di, triester and sorbitan ester are preferable. In the present invention, from the viewpoint of storage stability, an inorganic salt such as calcium chloride is added to the composition in an amount of 1 to 1000 p.
pm, particularly preferably 10 to 500 ppm. However, sodium salts and potassium salts are contained in anionic surfactants such as fatty acid salts, and inorganic salts mixed into the composition by use of such anionic surfactants are subject to the above restrictions. Not something. Further, in the present invention, from the viewpoint of storage stability,
It is preferable to blend a solvent component selected from ethanol, isopropanol, glycerin, ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol and polyoxyethylene phenyl ether. These solvent components are present in the composition in an amount of 0.1 to 2
It is preferable to add 0% by weight, particularly 0.5 to 10% by weight. When ethanol is used, polyoxyethylene alkyl ether sulfate-denatured ethanol or 8-
It is desirable to use acetylated sucrose-modified ethanol. In the present invention, silicones and fragrances (particularly preferably disclosed in Japanese Patent Application Laid-Open No.
Components such as the components (c) and (d) described in JP-A No. 7) or a pigment may be blended. Example (a-1) R: a saturated alkyl group in which C17 and C15 are mixed (C17: C15 = 60/40) (a-2) R: a saturated alkyl group in which C17 and C15 are mixed (C17: C15 = 60/40) (a-3) R: a saturated alkyl group having a mixture of 17 and 15 carbon atoms (17 carbon atoms: 15 carbon atoms = 60/40) (a'-1) dioleyldimethylammonium chloride (b-1) didecyldimethylammonium chloride (C-1) An average of 21 moles of ethylene oxide added to a saturated alcohol having 12 carbon atoms (c-2) An average of 20 moles of ethylene oxide added to diethanolamide of lauric acid (c-3) LUNAC S- 50 (stearic acid, manufactured by Kao Corporation) (d-1) Calcium chloride (e-1) Dye (acid blue 9) (e-2) Fragrance [hexylcinnamic aldehyde (18), nerolin yarayara (4), bird Cyclodecenyl acetate (4), benzyl acetate (10), musk ketone (5), anisyl acetone (2) Sandal mysole core (2), aldehyde C14 peach (1), linalool (18), dihydroxymyrcenol (8), borneol (4), cedrol (4), mugol (5), benzyl alcohol (5), dipropylene Mixture of glycol (10): weight in parentheses is weight% in flavor] Softener composition and treatment method The above compounds were used to prepare softener compositions shown in Table 1. 5 shirts (100% polyester), 1.5
kg was washed with a washing machine using a commercially available weak alkaline detergent (Kao Attack) (Toshiba 2-tub washing machine VH-36).
0S1, detergent concentration 0.0667% by weight, use of 30 L of tap water, water temperature 20 ° C., 10 minutes). Thereafter, the washing liquid was drained, and after dehydration for 1 minute, 30 L of tap water was injected, rinsed for 5 minutes, and dewatered for 1 minute after drainage. Thereafter, 30 L of tap water was again injected, and then 7 ml of the composition shown in Table 1 was added, followed by stirring for 5 minutes. Then, it dehydrated and air-dried. Evaluation of deodorant effect Five men in their 20s wear the shirts treated as described above for 12 hours, and the sweat-derived odor generated from the worn shirts is evaluated by 10 panelists (10 men in their 30s) as follows. And the average score was determined. Average score is 1
The results are shown in Table 1 below, with ○ being less than 1.5, Δ being less than 1.5, and X being 1.5 or more. [0037] Almost no smell ... 0 Slight smell but not so noticeable ... 1 Smell ... 2 Smell noticeably ... 3 Flexibility evaluation The same material and the same kind of shirts which were treated in the same manner without using the composition shown in Table 1 (control)
Was determined by 10 panelists (10 males in their 30s) according to the following criteria, and an average score was obtained. If the average score is 2 or more,
1 to less than 1.5, □, 0.5 to less than 1, Δ, 0.5
The results were evaluated as x, and are shown in Table 1. +3: very softer than the control +2; softer than the control +1; slightly softer than the control 0; equivalent to the control * The pH was adjusted with a 1 / 10N hydrochloric acid aqueous solution and a 1 / 10N sodium hydroxide aqueous solution. According to the present invention, there is provided a softener composition which has an excellent softening effect especially in synthetic textiles and a high effect of suppressing odors generated from clothing such as odors caused by sweat when worn. be able to.

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Hideji Takata 1334 Minato, Wakayama City, Wakayama Prefecture Kao Corporation Laboratory (56) References JP-A-4-108174 (JP, A) JP 7-65267 (JP, B2) (58) Field surveyed (Int. Cl. ⁷ , DB name) D06M 13/325-13/493

Claims (1)

(57) [Claim 1] (a) 3 having an ester group and / or an amide group in the molecule and further having at least one alkyl group or alkenyl group having 10 to 22 carbon atoms. 3 to 50% by weight of a secondary amine and / or an acid salt thereof, and (b) the following general formula (1)
A textile softener composition containing the compound of the above. Embedded image (Wherein, two or three of R ¹ , R ² , R ³ , and R ⁴ have 8 to 8 carbon atoms)
12 alkyl groups, the rest being an alkyl group having 1 to 3 carbon atoms, a hydroxyalkyl group having 1 to 3 carbon atoms or an arylalkyl group having 7 to 15 carbon atoms, and Z ⁻ is an anionic group. )