JPH0229117B2 - HOKOSEIRYUJOSENZAISOSEIBUTSU - Google Patents

Description

[Detailed description of the invention]

The present invention relates to a granular detergent composition that cleans clothes while imparting flexibility and fragrance retention to the clothes. Various detergent compositions have been proposed as fabric softening detergents that clean clothes at home and at the same time impart flexibility to them. They include granular detergents containing anionic surfactants as a main component and powdered cationic surfactants added to them ( JP-A-55-106299, JP-A-55-115499,
(Japanese Patent Publication No. 137396/1983). However, when fragrances are added to such detergents, it may not be possible to leave a good fragrance on clothes due to the unique odor of cationic surfactants and the formation of complexes between cationic surfactants and anionic surfactants during washing. It was difficult to grant. As a result of various studies to eliminate these drawbacks, the present inventors have discovered that this objective can be achieved by using a specific fragrance in combination with a cationic surfactant and blending it with the alkylbenzene sulfonate. Based on this finding, we have completed the present invention. That is, the aromatic granular detergent composition of the present invention is
It is characterized in that at least one fragrance selected from the following (A) to (E) is blended with an alkylbenzene sulfonate together with a cationic surfactant represented by the general formula (). (1) Fragrance (A) Benzyl o-hydroxybenzoate, (B) 7-acetyl-1,1,3,4,4,6-
Hexamethyl-tetrahydronaphthalene, (C) p-tert-butyl-α-methylhydrocinnamaldehyde, (D) 1,3,4,6,7,8-hexahydro-
4,6,6,7,8,8-hexamethylcyclopenta-γ-2-benzopyran (E) 2-trans-3,7-dimethyl-2,6
-Octadien-8-ol (2) Cationic surfactant (However, R ₁ and R ₂ represent a C ₁₂ to _{C 26} alkyl group, and R ₃ and R ₄ represent a C ₁ to _{C 4} alkyl group, a benzyl group,
Represents a _{C2 - C4} hydroxyalkyl group or polyoxyalkylene group, and X is halogen, _{CH3SO4 , C2H5SO4 or}

[Formula] is shown. ) The above (A) to (E) may be blended alone or in combination, and the amount blended in the detergent composition is approximately 0.05 to 0.5% by weight. In addition, other fragrances can be used in combination with these fragrances, and specific examples include acetoketal, acetaldehyde ethyl phenylethyl acetal, methyl phenyl acetate, anethole, turbinelle acetate, anisyl aldehyde, dylan, tetrahydromylate. Examples include gall, isobutylquinoline, heptabal, tripral, cinnamic alcohol, hydrotropic aldehyde, cisdiasmon, linalool, coumarin, mensonate, doupical, mesylcinnamate, and the like. Specific examples of the cationic surfactant represented by the general formula () include distearyldimethylammonium salt, dihydrogenated beef tallow alkyldimethylammonium salt, dihydrogenated palmalkyldimethylammonium salt, distearylmethylhydroxyethylammonium salt, and dihydrogenated tallow alkyldimethylammonium salt. Examples include stearyl dihydroxyethylammonium salt, and counter ions include chloride and bromide. The amount of cationic surfactant to be incorporated into the detergent composition is preferably about 0.5 to 10% by weight. In addition, cationic surfactants can be prepared by crushing, granulating, spray cooling, etc. with a particle size of 50~
It is best to mix it with granular detergent in the form of granules of about 1000μ. Number of carbon atoms as alkylbenzene sulfonate
Those having 10 to 18 alkyl groups are preferred, and the counter ion is preferably an alkali metal salt such as sodium or potassium, or a magnesium salt. Specific examples include sodium dodecylbenzenesulfonate and sodium tridecylbenzenesulfonate. The amount of alkylbenzene sulfonate is 3~
Approximately 40% by weight is good. Alkylbenzene sulfonates are, for example,
Manufactured by mixing surfactants, builders, and other additives, if necessary, in a slurry state, excluding the fragrances (A) to (E) and the cationic active agent represented by the general formula (), and then spray-drying the mixture. . Detergent compositions of the invention may further include surfactants, detergent builders and other additives.
Examples of surfactants include anionic surfactants such as C ₁₀ to ₂₀ α-olefin sulfonates, alkyl ethoxy sulfates, and alkyl sulfates, nonionic surfactants such as C ₈ to ₁₄ alcohol ethoxylates, alkyl betaines, etc. Examples include amphoteric surfactants. Examples of detergent builders include inorganic or organic builders such as tripolyphosphates, pyrophosphates, silicates, carbonates, sulfates, zeolites, citrates, and polyacrylates. In addition, other additives include carboxymethyl cellulose,
Examples include anti-recontamination agents such as polyethylene glycol, foam control agents such as soap, bleaching agents, fluorescent whitening agents, enzymes, and pigments. According to the present invention, by blending a specific fragrance and a cationic surfactant into a detergent containing an alkylbenzenesulfonic acid, it is possible to exhibit both a fragrance-retaining effect and a softening effect. Example A granular detergent having the composition shown below was used for washing, and the effect of imparting fragrance and flexibility to cotton fabric was measured. The results are shown in Table 1. (1) Composition of granular detergent Straight-chain sodium alkylbenzenesulfonate ( _C12
Alkyl) 20wt% C ₁₄ - C ₁₈ α-olefin sulfonate sodium
3wt% Sodium pyrophosphate 15wt% Sodium silicate 10wt% Sodium carbonate 10wt% Fragrance 0.15wt% Cationic surfactant particles ^* 5wt% Sodium sulfate, water Balance (*) Dihydrogenated beef tallow alkyldimethylammonium chloride/methyl cellulose = 75/25
(weight ratio) of mixed granules, and the amount added was calculated as the dihydrogenated beef tallow alkyldimethylammonium chloride component. (2) Testing of flexibility imparting effect Nylon tricot cloth (30 denier)
30g x 4 pieces Acrylic jersey cloth 90g x 2 pieces Cotton towel 80g x 2 pieces Bleached cotton cloth 50g x 4 pieces Cotton knitted cloth 85g x 4 pieces A test cloth made of 4 pieces was soaked in the above granular detergent and tap water at 60℃ for 15 minutes. After washing, the test fabric is pretreated by rinsing it three times for 3 minutes each using tap water at 60°C. Next, this test cloth was placed in a spray-type household electric washing machine, and the granular detergent and each additive composition were mixed together.
Using tap water at 25℃, detergent concentration 0.13%, bath ratio
After washing for 10 minutes under conditions of 30x, dehydrating for 1 minute, rinsing with tap water at 25°C for 3 minutes, and dehydrating for 1 minute, the procedure was repeated twice. Thereafter, the test fabric was air-dried for 24 hours, and then the air-dried test fabric was conditioned at 25° C. and 65% RH. A cotton towel was taken out from the test fabric thus obtained, and its feel was judged by five judges, and the flexibility imparting effect of the additive composition was evaluated based on the average of the five judges. The feel was evaluated based on the following criteria in comparison with the feel of a cotton towel obtained by the same procedure as above except that no additive composition was used. Extremely soft 5 points Quite soft 4 points Soft 3 points Slightly soft 2 points Slightly soft 1 point (3) Testing the effect of imparting scent lingering The cotton towels obtained in the same manner as in (2) were evaluated by five well-trained people. The results were judged by a person and evaluated based on the total score. Has a good scent with a lingering scent 2 points Slightly poor scent lingering 1 point No scent lingering 0 points

【table】

【table】

【table】

Claims (1)

[Claims] 1 General formula () (However, R ₁ and R ₂ represent a C ₁₂ to _{C 26} alkyl group, and R ₃ and R ₄ represent a C ₁ to _{C 4} alkyl group, a benzyl group,
It represents a C ₂ to C ₄ hydroxyalkyl group or a polyoxyalkylene group, and X represents halogen, CH ₃ SO ₄ , C ₂ H ₅ SO ₄ or [Formula]. ) Benzyl o-hydroxybenzoate, 7-acetyl-1,1,3,4,4,6-hexamethyl-tetrahydronaphthalene, p-tert-butyl-α-methylhydrocinnamaldehyde, 1, 3, 4,
6,7,8-hexahydro-4,6,6,7,
At least one fragrance selected from 8,8-hexamethylcyclopenta-γ-2-benzopyran and 2-trans-3,7-dimethyl-2,6-octadien-8-ol is added to an alkylbenzenesulfonate salt. An aromatic granular detergent composition characterized by being blended with.