JPH0129840B2 - - Google Patents

Abstract

1. Booster for the dry-cleaning of textiles based on a) from 1 to 6% weight of a surface-active quaternary ammonium compound, b) from 2 to 36% by weight of toluene or xylene sulfonate, c) from 2 to 36% by weight of other sulfonates, d) from 22 to 95% by weight of solvent and water, the ratio of a : (b+c) amounting to between 1 : 4 and 1 : 12 and the ratio of b : c amounting to between 1 : 0.8 and 1 : 1.5, characterized in that they contain as the other sulfonates chloroparaffin sulfonates having chain lengths of from C12 to C30 .

Description

[Detailed description of the invention]

The invention described in Japanese Patent Application Laid-Open No. 53-43709 is
anionic and cationic surfactants,
Intended as a cleaning enhancer for the chemical cleaning of textiles based on solvents and water, characterized by the following composition: a Surface-active quaternary ammonium compounds
1 to 6% by weight b Toluol- or xylol sulfonate
2-36% by weight c Petroleum sulfonate 2-36% by weight d Solvent and water 22-95% by weight In this case, a:(b+c)=1:4-1:12 and b:c=1:0.8-1:1.5 This is the percentage of This cleaning enhancer has a high soil-carrying capacity and is particularly suitable for cleaning white or pastel-coloured fabrics made of customary textile materials, such as wool, cotton, regenerated cellulose, polyamides, polyesters, polyacrylonitrile. Even very sensitive fabrics made of fiber materials, such as those known for their high tendency to graying, can be washed without problems. However, it has been found that this known detergent enhancer can impair subsequent water-repellent finishes (which are particularly problematic, for example, for sports and weather protection clothing) in its action. It is known that this problem is due to the presence of detergent enhancer residues in the washed fabrics [J. Kurz, "Dei.
“Die Praxis der Chemischreinigung” Vol.
(See page 222). The present invention provides for fabrics made of textile materials that are prone to graying, without impairing their subsequent hydrophobization by their own action.
The object of the invention is to develop a dry cleaning detergent which is particularly suitable for cleaning sports and weather clothing. This problem is solved by replacing the petroleum sulfonates in the known cleaning enhancer mixtures with chlorparaffin sulfonates of chain length C ₁₂ to C ₃₀ . Therefore, the present invention provides the following composition: a surface-active quaternary ammonium compound
1 to 6% by weight b toluol or xylol sulfonate
2 to 36% by weight c Chlorparaffin sulfonate with a chain length of C ₁₂ to C ₃₀ 2 to 36% by weight d Solvent and water 22 to 95% by weight In this case, a: (b + c) = 1:4 to 1:12 and b: Anionically active and cationically active surfactant, characterized by a ratio of c=1:0.8 to 1:1.5, intended as a cleaning enhancer for the chemical cleaning of textiles based on solvents and water. do. As the surface-active quaternary ammonium compound, the cationic surfactant described in the above-mentioned patent publication was used, which has a quaternary ammonium group and a C-atom of 7
-22 and at least one optionally substituted higher hydrocarbon group (which may be an alkyl- or alkylaryl group). The quaternary ammonium compound is present in admixture with toluol sulfonate or xylol sulfonate and chlorparaffin sulfonate, the proportions of cationic and anionic surfactants and toluol- or xylol sulfonate and chlorparaffin sulfonate being the same. Adhering to the proportion with the sulfonate is important for the particular effect of the detergency enhancer with respect to detergency and dirt-carrying power. Both cationic and anionic surfactants are present in salt form, with the counterion being optional as long as it does not impair solubility in the organic cleaning bath. Preference is given to alkali metal, ammonium and alkanolamine salts. Chlorparaffin sulfonate has a chain length of C ₁₂ to _{C 30}
is advantageously derived from linear paraffin of , with relatively narrow chain length sections, e.g. C ₁₅ -C ₁₈ , C ₂₀ -C ₂₁ ,
_C20 to _C24 are particularly suitable as starting materials. The chlorparaffin sulfonates are prepared by sulfochlorination of the corresponding paraffin mixture at elevated temperatures up to 120 DEG C. and subsequent saponification at 90 DEG to 100 DEG C. with the desired base, preferably caustic soda solution. The product is actually a mixture consisting of paraffin-monosulfonate and chlorparaffin (Ullmanns, Enzyklopadie der Technischcn Chemie, 1965).
(Refer to Vol. 16, pp. 562/563). Preferred products are monosulfonates 30-50% by weight
and 4-25% by weight of organically bound chlorine.
Corresponding products are available on the market. Replacing petroleum sulfonate in the known cleaning enhancer with chlorparaffin sulfonate
Water repellency has a decisive effect on the effect of waterproofing (waterproofing is usually carried out after washing, for example for sports and weather protection clothing). Surprisingly, this results in a substantial improvement in the hydrophobic effect as achieved, for example, by conventional dry hydrophobization. There is no essential difference between petroleum sulfonates and chlorparaffin sulfonates in terms of cleaning effectiveness, and therefore equally good cleaning results are achieved with the cleaning enhancers formulated according to the invention on pastel or white fabrics. . The invention is illustrated with reference to the following examples. Example 1 1.1 6 kg of pastel and white ski clothing made of polyester/cotton are mixed in 1:8 perchlorethylene in a 9 kg dry cleaning unit.
Dry clean for 6 minutes without excess at a bath/liquid ratio of
ml for 5 minutes by spraying. The resulting product was then dried in the usual manner. At the beginning of the first bath, 5 g of the cleaning enhancer according to the invention were added per liter of bath liquid. The product had the following composition: distearyldimethylammonium chloride
4% p-Toluol sulfonate (triethanolamine salt) 17% Chlorparaffin sulfonate-C _20~24 (Na-
Salt, monosulfonate 40%, organically bound chlorine 16
%) 16% Water 13% Isopropanol 25% Perchlorethylene 25% For the following hydrophobization, a waterproofing agent with the following composition was used: Aluminum butyrate 6% Acetoacetate 2% Paraffin (freezing point 50 °C) 30% Perchlorethylene 62% The fabric washed in this manner was clean without any objection, showed no graying, and had an excellent waterproof effect. 1.2 For comparison, 6 kg of dirty light-colored sports clothing was washed in the cleaning equipment described in 1.1.
A cleaning enhancer of the following composition according to Publication No. 53-43709 was similarly cleaned and waterproofed: Distearyldimethylammonium chloride
4% p-triolsulfonate (triethanolamine salt) 17% Petroleum sulfonate (molecular weight approximately 460) 16% Water 13% Isopropanol 25% Perchloroethylene 25% The washed fabric was clean without any objections, but the waterproofing effect was moderate. It merely showed that. To determine the cleaning action, an artificially soiled test fabric made of polyester/cotton was washed together during the experiment, and the clarification and graying were measured with a reflectometer on the non-soiled areas of the fabric. Tests for the waterproofing effect were carried out according to AATCC 22-164 on co-treated polyester/cotton sections.

[Table] Example 2 2.1 In a 10 kg washing container, 6 kg of polyester/cotton white and pastel colored weather overcoats and anoracks were thoroughly washed in monofluorotrichloromethane for 4 minutes in a solution ratio of 1:8. , centrifuge for 1/2 min, followed by rinsing with clean solvent for 6 min while simultaneously filtering the bath solution,
It was centrifuged for a minute, waterproofed by spraying as described in 1.1, and dried in a conventional manner. At the beginning of the first bath, 5 g of the cleaning enhancer according to the invention with the following composition per liter of solution were added: stearylamide propyl-β-hydroxylmethylammonium-nitrate 5% xylol sulfonate (Na-salt) 10% chlorparaffin Sulfonate-C _15-18 ; (Na
-Salts, 40% monosulfonates, 6% organically bound chlorine 22% Water 10% White oil 13% Monofluorotrichloromethane 40% 2 g powdered activated carbon was added to the first bath to demonstrate soil-carrying power. did. The fabric was consistently clean, showed no noticeable graying, and was consistently hydrophobic. 2.2 In the cleaning equipment described in 2.1, 6 kg of polyester/cotton white and pastel weather cloaks and anoracks were again washed and made waterproof. 5 g/ml of the product according to JP-A-53-43709 with the following composition was administered as a cleansing enhancer: stearylamide propyl-β-hydroxylethylammonium nitrate 5% xylol sulfonate (Na-salt) 10% petroleum sulfonate ( 22% water 10% white oil 13% monofluorotrichloroethane 40% In this case too, 2 g/g of activated carbon was added to the first bath to demonstrate the dirt-carrying power. Although the fabric remained reasonably clean in this manner, it was found to be insufficiently hydrophobic. In order to enable an accurate measurement of the cleaning and waterproofing effect in the fabrics washed according to 2.1 and 2.2, the artificially soiled test fabrics and the unsoiled test materials were washed together in various ways and as described in 1.1. It was evaluated as follows.

[Table] Example 3 6 kg of white polyamide ski clothing or anorak was washed in 1,1,1-trichloroethane for 4 minutes at a bath liquid ratio of 1:8 in a 10 kg washing device and centrifuged for 1/2 minute. followed by a 6 minute rinse with pure solvent at the same time.
It was subsequently centrifuged for 1 minute, waterproofed for 5 minutes by spraying as described in 1.1, and dried in the usual manner. To the first bath was initially added 3 g/ml of a cleaning enhancer according to the invention having the following composition: stearyl dimethyl hydroxypropylammonium-p-toluol sulfonate 6% toluol sulfonate (triethanolamine salt) 18% chlorparaffin sulfonate −C _20〜21 (Na−
Salt, monosulfonate 34%, organically bound chlorine
22%) 20% Water 15% Ethyl glycol 20% 1,1,1-trichloroethane 21% In addition, 0.5 g of soot was added to the first bath solution to demonstrate dirt-retaining power. The fabric was unobjectionably clean, showed no noticeable graying despite the addition of soot, and was distinctly hydrophobic. 3.2 6 kg of white polyamide ski clothing and an anorak were similarly washed and waterproofed in the same way in the washing apparatus described in 3.1. However, the detergent enhancer used contained the same amount of petroleum sulfonate instead of chlorparaffin sulfonate. The washing results were just as good as in experiment 3.1, but the hydrophobic effect was only moderate.

Claims (1)

[Scope of Claims] 1. A detergent enhancer for dry cleaning of textiles based on anionic and cationic surfactants, solvents and water, comprising the following composition: a. Surface-active quaternary ammonium compounds 1- 6% by weight b Toluol- or xylol sulfonate 2-36% c Chlorparaffin sulfonate with chain length _C12 - _C30 (30-50% by weight monosulfonate and 4-25% by weight organically bound chlorine) 2- 36% by weight d Solvent and water 22-95% by weight However, a:(b+c)=1:4-1:12 and b:
characterized by c=1:0.8 to 1:1.5,
A detergent enhancer for dry cleaning the above-mentioned textiles. 2. The agent according to claim 1 for dry cleaning of sports clothing and wind/rain protection clothing.