DK168956B1 - Detergent composition containing surfactants, nitrogen containing fabric softener, b drug and optionally detergent additives - Google Patents

Abstract

Bleaching detergent compositions containing a peroxyacid bleaching compound and a narrowly defined amide softening agent are disclosed. The compositions of the invention are capable of providing various fabric care benefits, inclusive of softeness, independently from and in presence of peroxyacid bleaching agents.

Description

The present invention relates to emollient detergent compositions containing a peroxyacid bleach compound and a well-defined amide softening agent.

The present compositions, in addition to providing good cleaning, exhibit excellent softening under washing and further exhibit cloth-shaving benefits such as less static electricity and curling, easier ironing and providing color stability, independently of and in the presence of peroxyacid bleach.

Formulators of textile treatment compositions have long sought the means for simultaneously washing and softening textiles. Among the various experiments are proposed methods of using clay softeners or amine materials or both components in combination such as e.g. disclosed in the descriptions of DE patents 2,964,114, 285,716, 2,439,541, no.

15 2,334,899 and EP patents 0.026.528 and 0.028.432.

Amines have been used with soaps (GB Patent Specification No. 1,514,276), fatty acids (published EP Patent Application No. 0133804) or phosphate esters (published EP Patent Application No. 0168889) as plasticizers during the wash operation.

However, it has been found that the presence of peroxyacid blend compounds in emollient detergent compositions is often detrimental to the stability of the amine plasticizer. As a consequence, the use of peroxyacid bleaches, including peroxygen bleach activator combinations, in these compositions has often been limited in terms of quantity, and therefore optimum effect has not been achieved. Furthermore, the softening amine is not very compatible with peroxyacid and is deactivated as a plasticizer.

Carboxyamides have been used as antistatic agents in industrial textile treatment (DE Patent No. 3,043,618) and N-alkyl isostearamides have been used as antistatic agents during the wash operation (FR Patent No. 2,531,447).

In the specification of JP patent No. J5 8144-175-A, industrial treatment of textile with cationic plasticizers and ethoxylated fatty acid amides is described.

Alkoxylated fatty amides are known as surfactants (EP Patent No. 0,000,595) and as viscosity regulators (EP Patent No. 0.112,719).

In the specification of DE patent application No. 1,959,007, DK 168956 B1 2 describes the use of monoethanolamide as a plasticizer. In the specification of DE patent application No. 3,310,417, the use of fatty acid ethanol amides is described as antistatic / anti-yellowing agents.

It is an object of the present invention to formulate peroxyacid-containing detergent compositions which are capable of providing excellent cleaning, softening and clothing-loving benefits.

It is a further object of the invention to formulate peroxyacid-containing detergent compositions which are capable of providing simultaneous purification and softening.

10 It has now been found that the above object can be achieved by using certain amides as plasticizers, thereby avoiding exposure to peroxyacid bleaches and thus providing excellent results in both purification and softening of textiles as well as other "clothing-loving" benefits.

The present invention relates to detergent compositions which are capable of providing clothing-loving benefits during the washing operation, including softness, and which contain a surfactant, a nitrogen-containing fabric softener, a bleaching agent and, if desired, detergent additives, and which are characterized in that The nitrogen-containing laundry detergent is an amide of the formula: wherein R 2 and R 2 are independently selected from C 1-8 alk (en) yl-, -hydroxyalkyl, -aryl- or -alkyl aryl group, R 3 represents a hydrogen atom or a C 21 alk (en) yl, -aryl or -alkyl aryl group, or represents O-R 4, where R 4 represents a C 1-22 alk (en) yl -, -aryl or alkylaryl group, R 1 and R 4 optionally contain functional groups selected from hydroxy, amine, amide, ester and ether groups, R 1, R 2 and R 2 each contain from 0 to 10 ethylene oxide units, the aryl groups may be derived from heterocyclic compounds, with the proviso wherein the sum of carbon atoms in R 1 + R 2 + R 3 is equal to or greater than 14; (168) R - NH - C - R '

II

ISLAND

wherein R and R 'represent straight-chain alk (s) yl, aryl or alkyl-5 aryl groups, each containing from 8 to 22 carbon atoms, b) the bl compound is represented by a peroxyacid bleach.

Amid Softener No. 10 Amide Softener is for use in the context of the present invention may be represented by the formula: (i) R 1 - C - R 15 R 2 - 0 where R 1 and R 2 are independently selected from C 1-8 alk (en) yl, hydroxyal alkyl, -aryl or -alkylaryl groups, R R represents hydrogen or a C C_22 alk alkalk (en) yl, -aryl or alkylaryl group, or represents O-R ^, where R ^ represents a Cj₂22₂alk ( en) yl, aryl or alkylaryl group, R3 and optionally contains functional groups selected from hydroxy, amine, amide, ester and ether groups, R 1, R 2 and R 3 all contain from 0 to 10 ethylene oxide units, the aryl groups optionally derived from heterocyclic compounds, with the proviso that the sum of carbon atoms in R 2 + R 2 + R 3 is equal to or greater than 14, or (ii) R - NH - C - R '

II

Wherein R and R; represents straight-chain alk (s) yl, aryl or alkyl-aryl groups containing from 8 to 22 carbon atoms.

Preferred amides of formula (i) contain more than 8 carbon atoms in the R 3 group.

Specific examples of preferred compounds of formula (i) include N, N-dimethylthalamide, Ν, Ν-dimethyl lauramide, N, N-dimethyl palmitate, N, N-dimethylstearamide, Ν, Ν-diethylthalgamide, N, N-DK 168956 B1 4 dimethyl coconut alkyl amide, N, N-di ethyl coconut alkyl amide, N, N-diethanol coconut alkyl amide, N, N-diethanol lauramide, polyoxyethylated stearamide and polyethoxyethylated tallow amide.

N, N-dimethylthalgamide, Ν, Ν-diethylthalgamide, N, N-5-dimethyl coconut alkyl amide, Ν, Ν-diethyl coconutalkylamide or N, N-di ethanol talgamide are preferred.

Preferred amides of formula (ii) include N-coconut-alkyl-stearamide, N-decyl-stearamide, N-coconut-barrel-cooled auramide, N-tallow-talgamide, N-decyl-talgamide.

Amide plasticizers are used in the range of from 0.1 to 15% by weight, preferably from 1 to 10% by weight, most preferably from 3 to 6% by weight.

In a particularly preferred embodiment of the invention, the amide plasticizer is premixed with a dispersant and the resulting mixture is added to the remainder of the composition.

Any conventional dispersant having an appropriate HLB value can be used in the invention. Examples of suitable dispersants are nonionic surfactants resulting from condensation of primary or 20 secondary aliphatic alcohols or all cool phenol with polyethylene oxide. Specific examples include condensation products of tallow alcohol having from 5 to 12 ethylene oxide units in the molecule.

Also used as dispersing agents are the phosphate esters described in the specification for EP patent application No. 85201127.9, such as those of the formula: R'-O (CH2-CH2 O) mPO (OH) 2 where R '= C2 and m = 1- 5 and sold under the trademark "Servox-30 yl VPAZ".

However, it is a particularly preferred embodiment of the invention to use fatty acids as dispersants for the amide plasticizer.

In this connection, fatty acids such as lauric, myristic, palmitic, stearic, oleic and mixtures thereof can advantageously be used.

A mixture of palmitic and stearic acids is particularly preferred.

The fatty acid dispersants are preferably used in a weight ratio of 1/1 to 10/1 between amide plasticizer and fatty acid.

The softening clay amide softening agent is preferably used, without this being an essential requirement, together with a detergent compatible 1 softening agent. These clay softening agents are well known in the field of detergent and are in commercial use in Europe and U.S.A. These clay softeners include various heat-treated kaolin and various multilayer smectites. The preferred clay softening agents are the softening smectitic species described in the specification of DE Patent Application No. 2,334,899 and in the specification of GB Patent No. 1,400,898, which is referred to for details. Softening clays are typically used in preferred compositions in the range of at least 1%, usually from 1 to 20%, preferably from 2 to 10%.

15

Purifying surfactants

The compositions of the invention will typically contain organic surfactants (surfactants) to provide the usual purification benefits associated with the use of these substances.

Purifying surfactants useful in the present invention include well-known synthetic anionic, nonionic, amphoteric and zwitterionic surfactants. Typical examples of these are all alkyl benzenesulfonates, all alkyl and alkyl ether sulfates, paraffin sulfonates, olefin sulfonates, alkoxylated (especially ethoxylated) alcohols and all alkyl phenols, amine oxides, alpha sulfonates of fatty acids and of fatty acid esters and the like. which are well known in the field of detergent. Generally, such cleansing surfactants contain an alkyl group in the 30 Cg-Cjg range; the purifying anionic surfactants can be used in their sodium, potassium or triethanolammonium salts; the nonionic agents generally contain from ca. 5 to approx. 17 ethylene oxide groups. The disclosure of U.S. Patent No. 4,111,855 contains detailed disclosures of such typical cleansing surfactants. Cjj-Cg alkyl alkylbenzene sulfonates, C "" "C18par paraffin sulfonates and all alkyl sulphates and ethoxylated alcohols and all alkyl phenols are particularly preferred in compositions of the present kind.

Water-soluble soaps, e.g. the common sodium and potassium coconut or tallow soaps, which are well known in the art, are also useful as surfactants.

The surfactant component may comprise as little as 1% of the compositions herein, but preferably the compositions 5 will contain from 5 to 40%, preferably from 10 to 30%, surfactant. Mixtures of nonionic ethoxylated substances with anionic substances such as all benzene sulphonates, all sulphates and paraffin sulphonates are preferred for cleaning fabrics for a wide range of dirt and stains throughout the washing operation.

10

Bleoeforbindelse

The bleach compound of the present invention is represented by a peracid bleach. For purposes of the present invention, peroxyacid bleaches comprise both peroxyacid per se and systems capable of delivering peroxyacid in situ.

Peroxyacid itself includes all potassium metals and alkaline earth metal salts thereof. Peroxyacids and diperoxyacids are commonly used; Examples are diperoxydodecanoic acid (DPDA) or peroxyphthalic acid.

20 Systems capable of delivering peracids in situ.

consists of a peroxy bleach and an activator thereof.

Peroxy bleaches are those capable of providing hydrogen peroxide in an aqueous solution. These compounds are well known in the art and include hydrogen peroxide, all potassium peroxides, organic peroxide bleaches such as urea peroxide, inorganic persalt bleaches such as alkali metal perborates, percarbonates, perphosphates, cilantro and the like.

Preferred are sodium perborate, which is commercially available in the form of mono- and tetrahydrates, sodium carbonate peroxyhydrate, sodium pyrophosphate peroxyhydrate and urea peroxyhydrate.

The released hydrogen peroxide reacts with the bleach activator to form the peroxyacid bleach. Classes of, among other, drug activators include esters, imides, imidazoles, oximes and carbonates. In these Classes, preferred substances include methyl o-acetoxybenzoates, sodium p-acetoxybenzenesulfonates such as sodium 4-nonanoxyloxybenzenesulfonate, sodium 4-octanoyloxobenzene sulfonate, and sodium 4-decanoyloxybenzenesulfonate, bi-ophenol, tetraacetylethylenediamine, tetraacetylhexamethylenediamine and tetraacetylmethylenediamine.

Other preferred peroxy bleach activators described in DK 168956 B7 in the descriptions of U.S. Patent Nos. 4,483,778 and 4,539,130 are alpha-substituted alkyl or alkenyl esters such as sodium 4- (2-chloroctanoyloxy) benzenesulfonate, sodium 4- (3,5,5-trimethylhexanoyl-oxy) benzenesulfonate. Also suitable peroxyacids are peroxygen bleach activators such as e.g. disclosed in the specification for published EP patent application No. 0,166,571, namely compounds of the general type RXA00H and RXAL, wherein R represents a hydroxycarbyl group, X represents a heteroatom, A represents a carbonyl bridge linking group and L represents a leaving group, especially oxybenzenesulfonate.

10

Cleaning aids

The present compositions may contain other ingredients which, with their purity, act as reinforcing agents. The whole-wash detergent compositions contain a detergent builder and / or a metal ion sequestrant. Compounds that are classifiable and well known in the art as detergent builders include nitrilotriacetates, polycarboxylates, citrates, water-soluble phosphates such as tripolyphosphate and sodium ortho and pyrophosphates, silicates and mixtures thereof. Metal ion extractants 20 include all of the above as well as substances such as ethylene diamine tetraacetate, amino polyphosphonates and phosphates (DEQUEST) and a host of other polyfunctional organic acids and salts which are too numerous to be mentioned in detail herein. See U.S. Patent No. 3,579,454 to typical examples of using these materials in various cleaning compositions. The builder / sequestering agents will usually comprise from ca. 0.5 to 45% of the composition. Zeolite builders having a size of 1-10 μια (e.g., zeolite A), described in the specification of DE Patent No. 2,422,655, are particularly preferred for use in low phosphate or non-phosphate containing compositions.

The present washing compositions preferably also contain enzymes for increasing their purity on a wide range of dirt and stains throughout the washing operation, such as amylase and protease enzymes. Amylase and protease enzymes suitable for use in detergent compositions are well known in the art and in commercially available liquid and granular detergent compositions. Commercial, purifying enzymes (preferably a mixture of amylase and protease) are typically used in the range of 0.001% to 2% and higher in the present compositions. Other highly desirable detergent ingredients for use in the detergent compositions of the invention are quaternary ammonium compounds of the form R 1 R 8 R 9 R 9 N + X ", wherein R 2 represents an alkyl of from 10 to 20, preferably from 12 to 18, 5 carbon atoms, and R 9, R 9 and Ry represents all Cj to alkyl, preferably methyl, X "represents an anion, e.g. chloro. Examples of these quaternary ammonium compounds include C12 C14 all kyltrimethyl ammonium chloride and coconut alkyl trimethyl ammonium methosulfate. The quaternary ammonium compounds may be used in the range of 0.5 to 5%, preferably 1 to 3%.

Furthermore, the present compositions may contain, in addition to the ingredients already mentioned, various other optional ingredients commonly used in commercial products to provide aesthetic or other additional product effect. Typical ingredients include pH regulators, perfumes, dyes, optical white, dirt suspending agents, hydrotropes and gel control agents, freeze / thaw stabilizers, bactericides, preservatives, foam regulators, and bleaching agents stable in sensitizers.

During the wash operation, the compositions are typically used at a concentration of at least 500 ppm, preferably 0.10% to 1.5%, in an aqueous wash bath at pH 7-11 for washing fabrics. The washing can be carried out in the range from 5 ° C to 25 boiling point, with excellent results.

Form and method of preparation of the compositions

The detergent compositions of the invention may be in granular, liquid or sheet-like form. They can be prepared in any manner appropriate to their physical form, such as by mixing the components, coagglomerating them, microencapsulating them, dispersing them in a liquid carrier and adsorbing or applying them to a non-particulate substrate such as a nonwoven sheets or sheets of paper, in a way that they can be released from them.

Preferably, the compositions are in granular form.

A particularly preferred process for preparing the granular compositions consists of preparing a melt of the dispersant and amide, dispersing the molten mixture in a stirred, aqueous crutcher blend comprising the rest of the purifying components, and spray drying in standard manner. . Alternatively, in a less preferred manner, the melt can be atomized on detergent granules or allowed to solidify, ground in a colloid mill and mixed dry with the rest of the detergent composition. The present compositions may also be sprayed onto particles of e.g. sodium perborate mono- or tetrahydrate, sodium sulfate, sodium carbonate, sodium sulfate, sodium phosphate or clay of the above type.

Industrial Use The following examples are typical of the preferred embodiments of the invention.

Example 1 Ν, Ν-Dimethylthalamide (total 6% of the complete formulation 15 after spray drying) and stearic acid (2% of the complete formulation) are mixed, melted in a sheathed mixer and stirred until homogeneous. An aqueous standard crutcher blend is prepared comprising the following ingredients (the percentages given are percent ingredients in the complete formulation after spray drying).

Ingredients%

CirC12 all cooling benzene sulphate 6.2

Talgal carbon ethoxylate (EOll) 1.0 Sodium tripolyphosphate 24.0

Sodium sulphate 15.0

Sodium sieve in cat 8.0

Smectitler * 6.5

Carboxymethyl cellulose 0.4 Polyacrylate (dirt suspending agent) 1.7

Enzymes 0.5

Optical white 0.23

Sulfonated Zinc Phthalcyanine ** 25 ppm EDTA 0.2 35 Perfume / Copper Salts / Minor Ingredients 0.5 ^ 12 ^ 14 Cool Trimethyl Ammonium Chloride 1.9

Humidity up to 77% Ν, Ν-dimethyltalgamide / stearic acid melt is poured into DK 168956 B1 10 crusher blends (6Q-90 ° C). The crutcher mixture as well as the N, N-dimethyl talgamide / stearic acid are then handled in a completely standard manner and spray dried to form the final composition. After drying, sodium perborate (20%) and bleach activator (3% 5 3,5,5-trimethylhexamic acid, hexamaic acid, sulfaphenyl ester, sodium salt ***) are mixed with granules.

* Natural smectite, ion exchange capacity exceeding 50 meq / 100 g of clay 10 ** Description of US Patent Nos. 3,927,967 *** Descriptions of U.S. Patents Nos. 4,483,778 and 4,539,130

The composition of Example 1 provides greater softness and clothing-loving advantages compared to an identical composition which does not contain Ν, Ν-dimethylthalamide / stearic acid preparation (reference).

Example 2

The same composition is prepared as in Example 1 with the exception that Ν, Ν-dimethylthalgamide is replaced by N-tallow alginamide, which is premixed with stearic acid under the same conditions as in Example 1. Very good results in softness and clothing are obtained. comparative advantages compared to the same reference as in Example 1.

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Examples 3 and 4

The following low-phosphate-containing detergent compositions are prepared.

30 Ingredients%

Ex. 3 Ex. 4

Zeolite A (1-10 μηι) 26.0 26.0

Sodium nitrile oacetate 5.0 5.0

Smectitles * 3.0 3.0 35 Ν, Ν-Dimethyltalgamide / stearic acid ** 5.0 Ν, Ν-Diethanol talgamide / lauric acid ** - 5.0 C11 "C12 alkyl cool benzene sulfonate 6.5 6.5

Talentoxylate (EO 9-11) 0.5 0.5

Sodium umperborate 4

Tetraacetylethylenediamine (TAED) *** 3 3

Sodium li cat 8 8 CMC 1 1

Sodium sulphate 18 18 5 Enzymes (1: 1 amylase / protease) 1.5 1.5

Optical white 0.5 0.5

Water, minor constituents up to 100 100 * As Gelwhite GP (Trademark): CaCOg ion exchange capacity 70 10 mEq / 100 g ** Prepared according to Example 1 *** Dry mix second with the composition

The compositions of Examples 3 and 4 are prepared by spray drying in an aqueous crutch mixer in the same manner as described in Example 1. The compositions of Examples 3 and 4 provide better softness than the composition in which the amide / fatty acid breaths have been replaced by additional sodium sulfate.

20

Claims (7)

1. Detergent composition containing surfactants, nitrogen-containing fabric softener, blend agent, and optionally detergent additives, characterized in that - the nitrogen-containing plasticizer is an amide of the formula: (i) R 1 10. C - R, II 3 o where R 1 and R 2 are independently selected from C 1-8 alk (en) yl, -hydroxyalkyl, -aryl or alkylaryl groups, R 8 represents a hydrogen atom or a C -, -aryl or -alkyl aryl group, or represents O-R 2, where R 1 represents a C 2 -C 22 alk (en) yl, -aryl or -alkylaryl group, R 9 and R 2 optionally contain functional groups selected from hydroxy, amine, amide, ester and ether groups, R 1, R 2 and R 9 all contain from 0 to 10 ethylene oxide units, the aryl groups are optionally derived from heterocyclic compounds, with the proviso that the sum of carbon atoms in R equal to or greater than 14; or (ii) R - NH - C - R 'II where R and R' represent straight-chain alk (s) yl, aryl or alkyl-aryl groups, each containing from 8 to 22 carbon atoms, 30 - wherein the drug compound is represented by a peroxyacid bleach. Composition according to claim 1, characterized in that the amide plasticizer is pre-dispersed with a dispersant selected from - nonionic surfactants resulting from the condensation of primary or secondary aliphatic alcohols - phosphate esters of the formula: DK 168956 B1 R ' -O (CH2-CH2O) mP0 (OH) 2, where R '= C2-2_j and m = 1-5, - fatty acids having from 10 to 20 carbon atoms in each cooling chain. Composition according to claim 2, characterized in that the dispersant is a fatty acid having from 10 to 20 carbon atoms in each cooling chain and present in a weight ratio of amide softener to fatty acid of from 1: 1 to 10: 1. Composition according to any one of claims 1-3, 10, characterized in that the peroxyacid bleaching compound is a peroxygen bleaching compound and an activator thereof. Composition according to any one of claims 1-4, characterized in that the amide plasticizer is present in a range of 0.1 to 15% by weight. Composition according to any one of claims 1-5, characterized in that the amide plasticizer is selected from N, N-dimethylthalamide, Ν, Ν-dimethyl coconutalkyl amide, N, N-diethyl-coconutalkyl amide, N, N-diethanol talgamide, N-Coconut Alkyl Steara Mid and N-tallow Algae. Composition according to any one of the preceding claims, characterized in that it further contains a clay softener. 25