JPS6197399A - Detergent composition - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION SUMMARY OF THE INVENTION A fiber-softening detergent additive having improved soil retention capacity and reduced adhesion is disclosed, the detergent additive comprising (al montmorillonite, beidellite, 1 to 80% by weight of one or more smectite clay minerals selected from the group consisting of hectorite, nontronite, and synthetic clay minerals; may be the same or different, and 1
It represents a substituted or unsubstituted alkyl group having 0 to 22 carbon atoms, an aralkyl group having 1 to 20 carbon atoms in the alkyl moiety, an aryl group or a substituted phenol group, and R1 and R+ may be the same or different. 1 to 80% by weight of one or more quaternary ammonium salts having the general formula: In the formula, R5 and R6 may be the same or different and each represents a substituted or unsubstituted alkyl group having 10 to 22 carbon atoms, and the average value of n is in the range of 1 to 10. 1 to 80% by weight of one or more tertiary amines.

[Industrial application field]

The present invention relates to detergent additives, particularly detergent additives containing smectite-type clay minerals such as bentonite.

[Conventional technology]

It is known to use smectite-type clay minerals, especially bentonite, as additives to cleaning agents such as soaps and detergents. Because,
These clay minerals have, for example, a high affinity for dirt particles and fiber softening properties (eg, US Pat. No. 1,608,418; British Pat. No. 162.
691, U.S. Patent No. 1.627.446)
.

However, the adsorption capacity of this type of smectite-type clay mineral on dirt particles is relatively low, and therefore bentonite-containing soaps were used only during and after the war, when soaps were in short supply due to the lack of fatty raw materials.

The fiber-softening properties of smectite-type clay minerals were attributed in part to their adsorption onto textile fibers. This property results in an increased tendency to graying of the laundered fabrics, i.e., an increased tendency to stick to the fabric, as often occurs when ashing laundered fabrics.

[Problem that the invention seeks to solve]

It is an object of the present invention to improve the adsorption capacity of smectite-type clay minerals to soil substances, the soil retention capacity of detergents, and the fiber softening properties, and to reduce the increase in adhesion due to the accumulation of smectite-type clay minerals on fabric fibers. It is an object of the present invention to provide a detergent additive containing a smectite-type clay mineral that is inhibited.

Means for Solving Problems] Therefore, according to the present invention, (al) 1 to 80% by weight of one or more selected from the group consisting of montmorillonite, beidellite, hectorite, nontronite and synthetic clay minerals; (b) General formula: [In the formula, R and R may be the same or different.
10 to 22 0 carbon atoms 4 16 Substituted or unsubstituted alkyl group, aralkyl group, aryl group or substituted phenol group having 1 to 20 carbon atoms in the alkyl moiety, R3 and R+ are the same 1 to 80 M% of one or more quaternary ammonium salts having (C1 general Formula: [wherein R5 and R6 may be the same or different and each represents a substituted or unsubstituted alkyl group having 10 to 22 carbon atoms, and the average value of n is in the range of greater than 1 to 10. There is provided a detergent additive characterized in that it contains from 1 to 80% by weight of lf! or more tertiary namine having the following properties.

Surprisingly, it has been found that the detergent additive according to the invention not only does not increase adhesion, but on the contrary, the adhesion of fabrics washed with detergents using the detergent additive according to the invention is lower. Presumably, detergent additives or their components are adsorbed onto the fibers during the washing process, so that the accumulation of inorganic or organic substances, which can occur especially at high temperatures, is very strongly suppressed.

Furthermore, the detergent additive according to the invention improves the adsorption capacity of smectite clay minerals for soil substances as well as the soil retention capacity of the detergent. Furthermore, the detergent additive according to the invention imparts a soft feel and improved antistatic properties to washed fabrics. Furthermore, the fragrance is also maintained in laundry washed with this detergent additive.

Preferred embodiments of the invention are shown in the embodiments section of the claims.

Furthermore, the present invention provides an advantage in detergents which contain as other ingredients surfactants, inorganic and/or organic bilge substances and optionally alkali carbonates, alkali- or alkaline-earth silicates and/or bleaching agents. The invention is also directed to the use of detergent additives.

Other ingredients in detergents include clarifying agents, corrosion inhibitors, foam suppressants,
Enzymes, stabilizers, perfume oils and colorants as well as other common detergent ingredients can be used.

〔Effect of the invention〕

The detergent additive according to the invention significantly improves the washing properties of detergents by increasing the adsorption and retention capacity of smectite clay minerals for soil substances.

〔Example〕

The following examples illustrate the detergent additives of the invention: Examples Ingredients 1 part bentonite (component a) 375 distearyl-dimethyl-ammonium chloride (component b)
155 distearyl-(Cll2
LCH7LO), H-amine (where n has an average value of 1.4) (component c)
155 For components (b) and (C), a co-melt mixture is used.

EXAMPLE OF USE The detergent additives shown in the above examples were mixed with the following detergent ingredients: Ingredients Parts by weight C1z'14--Alkylbenzenesulfononic surfactant) 3-7 moles of oxidation on 425C,L-1y-fatty acids Addition products of ethylene (Elphapur LM75 (S; non-ionic surfactant) 120 Pentasodium tripolyphosphate (Bilgu) Sodium silicate (to increase the p11 value) This detergent composition was washed in the range of a series of washing tests in lHm The conditions were as follows: Detergent composition with additive: 3.25 g/
1 Detergent composition without additives: 2.54g/7
! Equipment: Heraeus Glunitest Storage tank volume: 500ml Filling ratio: Loading liquid amount ratio of 21g test fabric per storage tank volume (500ml): Loading temperature of 21g test fabric per 200ml = 60°C Water hardness = 17°d H = 3.02 mmol Ca
/ I! .

Contains 1,2 mmol Ca/f (hardness increase during washing),
That is, total hardness: 4.22 mmol Ca/1 Washing time: 30 minutes Rinse method: Open conditioning bath (5 minutes with 100 ml of water) followed by washing under running tap water Means: Washing surface with 30 spheres added 1. :9 Test fabrics: 6 g of test fabric with standard soiling (launderers in Krefeld and Aysien, materials testing laboratory in St. Gallen); 7.5 g of clean cotton test fabric; 7.5 g of clean cotton-polyester test fabric. 5g.

The lη stain adhesion was measured on a clean test fabric that had been washed using a Rinitest device, and was expressed as the difference in white value (El Rejo R-value) between the unwashed fabric and the newly washed cloth. Indicated.

The higher the R-value (ΔR), the more intensely the test fabric turns gray, ie the washing result is unfavorable.

Results: Redeposition on cotton fabrics (after 91i cleaning): Detergent with laundry additives: △R = - 29.36 Detergent without detergent additives: △R = - 34.78 From these values, the soil retention capacity A clear improvement was observed. Soils are adsorbed to detergent additives and remain suspended in the wash liquor. The difference in whiteness reaches 5.42 from the above values.

Natural value (% of cloth weight) after 9 washes Double cotton cotton/polyester Detergent with detergent additives 1,21 0.81 Detergent without detergent additives 1.62 0.89 It can be seen from these results Thus, fabrics washed with detergents containing detergent additives had lower ash values than fabrics washed with detergents without detergent additives.

A similar effect was shown in the case of hot water. Therefore, this detergent additive exhibits an inhibitory effect on fabric adhesion, which is a surprising effect. This effect is believed to be based on the modification of the structure by the detergent additive, so that the crystalline seeds that generally lead to the formation of deposits (particularly limescale) no longer occur.

Fabric Softening Properties: Cotton terry cloth washed together in a similar test
When washing with the detergent additive according to the invention, a significantly softer feel was obtained than without this additive.

Fragrance retention effect: The test fabrics washed with detergent additives retained the natural fragrance from the detergent significantly better than when washed with detergents without detergent additives.

Comparative Example The detergent composition used in the above usage example was changed to distearyl-(C
) (2C) 120), with a detergent additive containing 213 parts by weight of distearylmethylamine instead of the H-amine (component C). This detergent additive contained 375 parts by weight of hentonite (component a) and 155 M parts by weight of distearyl-dimethylammonium chloride (component b).

This detergent composition was tested for washing (nine times) at a washing temperature of 60° C. in the same manner as in the above usage example. R value is -3
It was 0.8.

Redeposition was therefore greater than in the examples using detergent additives according to the invention.

- The fabric softening properties of the cotton terry cloth that was washed together were worse than that of the terry cloth treated in the usage example.

[Effects] According to the present invention, the adsorption capacity of detergents to soil substances and fabric softening properties are improved, and the accumulation of clay minerals on fabric fibers is suppressed.

Patent applicant Juto-Hiemi Akchen Gesell Shaft

Claims (5)

[Claims] (1) (a) 1 to 80% by weight of one or more smectite clay minerals selected from the group consisting of montmorillonite, beidellite, hectorite, nontronite, and synthetic clay minerals; (b) General formula: : ▲There are mathematical formulas, chemical formulas, tables, etc.▼ [In the formula, R_1 and R_2 may be the same or different, and are substituted or unsubstituted alkyl groups having 10 to 22 carbon atoms, 1 to 20 carbon atoms. represents an aralkyl group, aryl group or substituted phenol group having in the alkyl moiety, R_3 and R_4 may be the same or different, and 1 to 3
1 to 80% by weight of one or more quaternary ammonium salts having an alkyl group having 5 carbon atoms, and X^■ represents an acid anion; (c) General formula: ▲ Numerical formula, chemical formula , tables, etc. ▼ [In the formula, R_5 and R_6 may be the same or different and each represents a substituted or unsubstituted alkyl group having 10 to 22 carbon atoms, and the average value of n is greater than 1 to and 1 to 80% by weight of one or more tertiary amines having a tertiary amine range of 10. (2) The detergent additive according to claim 1, wherein R_3 and R_4 represent a methyl group. (3) The detergent additive according to claim 1 or 2, wherein X^■ represents an anion of mineral acid or acetic acid. (4) R_5 and R_6 represent stearyl residues, and the average value of n is in the range of 1.2 to 3. detergent additives. (5) Other ingredients include surfactants, inorganic and/or organic detergent builder substances and, if necessary, alkali carbonates, alkali- or alkaline-earth silicates and/or alkaline earth silicates.
or the detergent additive according to any one of claims 1 to 4 for use in a detergent containing a bleaching agent.