JP2013523976A - Optimized release of bleaching systems in laundry detergents - Google Patents

Abstract

  A need for a stable, fiber-safe, convenient to use bleach laundry detergent is the incorporation of aryliminium cations and / or zwitterions and an activated peroxygen source into the fluid portion of a unit volume laundry detergent article. Can be met. Such unit volume articles also provide relief from spot bleaching damage.

Description

  The present invention relates to a stable and convenient unit volume laundry detergent article that is safe for fibers and at the same time capable of achieving good cleaning, including bleaching.

  In today's society, consumers want laundry products that are convenient to use and have reduced energy demand, such as by low temperature cleaning, while having improved cleaning efficiency.

  For example, a peroxygen source such as hydrogen peroxide is used to remove soil and improve the whiteness of light colored fibers during washing in the presence or absence of a bleach activator. However, such drugs tend to have low efficacy at lower temperatures. One means of achieving better low temperature bleaching performance is performed using an organic bleach catalyst in combination with an activated peroxygen source. In order to maximize bleaching efficiency, it is desirable to distribute the bleaching catalyst and preferably the activated peroxygen source quickly and uniformly in the wash water. Furthermore, fiber damage due to spot bleaching is avoided by quickly and uniformly distributing the bleach catalyst and the activated peroxygen source. A means to achieve this is to incorporate a bleaching system comprising an organic bleach catalyst and an activated peroxygen source into the liquid laundry detergent composition. However, problems remain in such aqueous laundry detergent compositions to prevent the activated peroxygen source from reacting with the organic bleach catalyst or other sensitive laundry ingredients. These interactions can be minimized by keeping the components dry, for example by incorporating them into a powder detergent or tablet. However, dry laundry detergent forms are slower to disperse and therefore do not completely overcome the risk of spot bleaching. Furthermore, many consumers desire to avoid the additional step of filling the infusion device that is generally required when using liquid laundry detergent compositions.

  Therefore, there is a need to conveniently use liquid laundry detergents with a bleaching system that is stable and suitable for use in a wide range of laundry temperatures, including low temperatures, while substantially eliminating the risk of fiber damage due to spot bleaching. Is still there.

  The present invention is a unit volume laundry detergent article comprising an anionic and / or nonionic surfactant and a bleaching system, wherein the bleaching system is encapsulated in a water soluble or dispersible film, cationic, bipolar And an organic bleach catalyst comprising an aryliminium ion selected from the group consisting of ionic ions and mixtures thereof, and an activation catalyst selected from the group consisting of preformed peracids, hydrogen peroxide sources, and mixtures thereof. A unit volume laundry detergent comprising an oxygen source and comprising at least 50% by weight of an anionic and / or nonionic surfactant and at least 50% by weight of aryliminium ions in at least one liquid composition Provide the goods.

  As used herein, “unit volume laundry detergent article” refers to any laundry treatment composition in a single use form. The unit volume laundry detergent article of the present invention comprises at least one “fluid containing compartment” and may optionally comprise a solid component. If a solid component is present, the solid component is either in a separate compartment, suspended in a fluid-filled compartment, or present as part of a paste. A fluid filled compartment refers to a partition of unit volume laundry detergent articles that includes a fluid capable of wetting fibers, such as clothing. The term fluid includes forms such as liquids, gels and pastes. The fluid contained in the fluid containing compartment may contain solids or gases in appropriately divided forms, but exclude forms that are generally non-flowable, such as tablets or granules.

  All percentages, ratios and ratios used herein are, unless otherwise specified, weight percent of the enclosed portion of the unit volume laundry detergent article (including weight percent of multiple compartments as needed). That is, the weight of the encapsulating material is excluded. All average values are calculated “by weight” of the encapsulated part, unless explicitly indicated otherwise. Unless otherwise specified, the pH was measured at 21 ° C. using a Thermo Electron Corporation Orion 216S pH meter equipped with a gel-filled probe (Orion Trio Combination pH / ATC probe, # 9107WP model) calibrated according to the instruction manual. Measured with a neat composition.

Unit capacity laundry detergent goods:
The unit volume laundry detergent article of the present invention comprises an anionic and / or nonionic surfactant, an aryliminium ion, and an activated peroxygen source in a single, easy-to-use dosage form. Such unit volume articles have the effect of ensuring that the correct volume of the bleach component is provided. For optimal bleaching performance, it is preferred that the amount of aryliminium ions and the activated peroxygen source, and their ratio, be carefully controlled. Unit volume laundry detergent articles also include anionic non-soap surfactants; other surfactants, particularly additional non-ionic surfactants; non-amino functional organic solvents, and improved cleaning and fabric care Preferably it contains a laundry aid.

  The unit volume laundry detergent article includes one or more compartments. A multi-compartment unit volume form is desirable because it is desirable to separate chemically incompatible components or when it is desirable to release a portion of the components to the wash water early or late.

Anionic and nonionic surfactants:
The detergent composition of the present invention preferably contains 1% to 70%, more preferably 10% to 50%, most preferably 15% to 45% by weight of anionic and / or nonionic surfactant. % Is included.

  Anionic Surfactant: The unit volume laundry detergent article of the present invention preferably comprises 1 to 70% by weight, more preferably 5 to 50% by weight of one or more anionic surfactants. Preferred anionic surfactants are C11-C18 alkyl benzene sulfonates, C10-C20 branched and random alkyl sulfates, C10-C18 alkyl ethoxy sulfates, medium chain branched alkyl sulfates, medium chain branched. Alkyl alkoxy sulfates, C10-C18 alkyl alkoxy carboxylates containing 1-5 ethoxy units, modified alkyl benzene sulfonates, C12-C20 methyl ester sulfonates, C10-C18 α-olefin sulfonates, C6-C20 sulfosuccinates Selected from the group consisting of acid salts and mixtures thereof. However, W.W. M.M. Linfield, Marc Dekker, “Surfactant Science Series”, Vol. Essentially any anionic surfactant known in the detergent composition art can be used, such as that disclosed in US Pat. However, the compositions of the present invention preferably comprise at least one sulfonic acid surfactant (such as a linear alkyl benzene sulfonic acid), or a water-soluble salt form.

  Suitable anionic sulfonate or sulfonic acid surfactants for use herein include straight or branched C5-C20, more preferably C10-C16, most preferably C11 in acid and salt form. -C13 alkyl benzene sulfonate, C5-C20 alkyl ester sulfonate, C6-C22 primary or secondary alkane sulfonate, C5-C20 sulfonated polycarboxylic acid, and mixtures thereof. The surfactants can vary widely in 2-phenyl isomer content. Suitable anionic sulfates for use in the compositions of the present invention have a linear or branched alkyl or alkenyl moiety having 9 to 22 carbon atoms, more preferably 12 to 18 carbon atoms. Primary and secondary alkyl sulfates; β-branched alkyl sulfate surfactants; and mixtures thereof. Medium chain branched alkyl sulfates or sulfonates are also suitable anionic surfactants for use in the compositions of the present invention. Preferred are medium chain branched alkyl primary sulfates of C5 to C22, preferably C10 to C20. When using a mixture, a suitable average total number of carbon atoms in the alkyl moiety is preferably in the range of 14.5 to 17.5. Preferred mono-methyl-branched primary alkyl sulfates are selected from the group consisting of 3-methyl to 13-methylpentadecanol sulfate, the corresponding hexadecanol sulfate, and mixtures thereof. Dimethyl derivatives or other biodegradable alkyl sulfates with light branching can be used as well. Other suitable anionic surfactants for use herein include aliphatic methyl ester sulfonates and / or alkyl ethyoxy sulfates (AES) and / or alkyl polyalkoxylated carboxylic acids. A salt (AEC) is mentioned. Mixtures of anionic surfactants can also be used (eg, a mixture of alkyl benzene sulfonate and AES).

  Anionic surfactants are typically present in salt form with alkanolamines or alkali metals (such as sodium and potassium). Preferably, the anionic surfactant is neutralized with an alkanolamine (such as monoethanolamine or triethanolamine) and is completely soluble in the liquid phase.

  Nonionic surfactant: The unit volume laundry detergent articles of the present invention may comprise 1 to 70% by weight, preferably 5 to 50% by weight of a nonionic surfactant. Suitable nonionic surfactants include C12-C18 alkyl ethoxylates ("AE"), including so-called narrow-peak alkyl ethoxylates, C6-C12 alkyl phenol alkoxylates (especially ethoxylates and ethoxy / propoxy mixtures), C6 Block type alkylene oxide condensates of ~ C12 alkylphenols, alkylene oxide condensates of C8 ~ C22 alkanols, and ethylene oxide / propylene oxide block polymers (Pluronic®-BASF Corp.), as well as semipolar nonionic materials (e.g. , Amine oxides and phosphine oxides). Extensive disclosure of suitable nonionic surfactants can be found in US Pat. No. 3,929,678.

式中、ＲはＣ９〜Ｃ１７アルキル又はアルケニルであり、Ｒ１はメチル基であり、Ｚは還元糖又はそのアルコキシル化誘導体由来のグリシジルである。実施例としては、Ｎ−メチルＮ−１−デオキシグリシチルココアミド及びＮ−メチルＮ−１−デオキシグリシチルオレアミドが挙げられる。 Alkyl polysaccharides such as those disclosed in US Pat. No. 4,565,647 are also nonionic surfactants useful in the compositions of the present invention. Alkyl polyglucoside surfactants are also suitable. In some embodiments, suitable nonionic surfactants include those of formula R1 (OC ₂ H ₄ ) _n OH, wherein R1 is a C10-C16 alkyl group or C8-C12 alkyl. It is a phenyl group, and n is 3-80. In some embodiments, the nonionic surfactant is 5-20 moles of ethylene oxide and C12-C15 alcohol per mole of alcohol, for example about 6.5 moles of ethylene oxide and C12-C13 alcohol per mole of alcohol. It may be a condensation product. Another suitable nonionic surfactant includes a polyhydroxy fatty acid amide of the formula:

In the formula, R is C9-C17 alkyl or alkenyl, R1 is a methyl group, and Z is glycidyl derived from a reducing sugar or an alkoxylated derivative thereof. Examples include N-methyl N-1-deoxyglycityl cocoamide and N-methyl N-1-deoxyglycityl oleamide.

Bleach-based unit volume laundry detergent article comprises an organic bleach catalyst and an activated peroxygen source. Such an organic bleaching catalyst improves bleaching performance especially at low temperatures. They can accept oxygen atoms from an activated peroxygen source and transfer them to an oxidizable substrate.

  The organic bleach catalyst of the present invention contains aryliminium ions. The aryliminium ion can be a cation, a dipolar ion, or a mixture thereof. In order to ensure a rapid distribution of aryliminium ions throughout the wash water, at least 50 wt.%, Preferably at least 80 wt.%, More preferably 100 wt. Included in the fluid containing compartment. The unit volume laundry detergent article comprises 0.001 wt% to 10 wt%, preferably 0.01 wt% to 5 wt%, more preferably 0.1 wt% to 2 wt% of aryliminium ions. The unit volume laundry detergent article may comprise from 0.1 wt% to 30 wt%, preferably from 0.5 wt% to 20 wt%, more preferably from 1 wt% to 10 wt% of the activated peroxygen source. The aryliminium ions of the present invention react with an activated peroxygen source such as peracid to form aryloxaziridinium ions, which bleach oxidizable substrates.

  In order to maximize the effect of aryliminium ions and to minimize their degradation, the unit volume laundry detergent article is 2: 1 to 1: 500, preferably 1: 1 to 1: 100, more preferably Preferably comprises a weight ratio of aryliminium ion to activated peroxygen source of 1: 5 to 1:50, even more preferably 1:10 to 1:30.

  In addition, the stability of the aryliminium ion (and the resulting aryloxaziridinium ion) is affected by the washing temperature in the dilution operation typically found in the wash liquor. At lower wash temperatures, such as 5-30 ° C, the degradation rate of the organic bleach catalyst is reduced compared to higher wash temperatures, such as greater than 40 ° C. In contrast, typical bleaches such as peroxides in the presence or absence of bleach activators are less efficient at low selection temperatures. Thus, aryliminium ions are particularly useful in improving the effectiveness of bleaching systems for low temperature laundry applications.

  Bleaching systems for use in the present invention may also include other bleaching agents such as bleach activators, metal-containing bleach catalysts, transition metal complexes of macropolycyclic rigid ligands, and mixtures thereof. .

1) Organic bleach catalyst:
Aryliminium zwitterion: Suitable aryliminium zwitterions can be selected from the group consisting of:

（図１中、Ｒ^１は、Ｈ、３〜２４個の炭素原子を含む分枝状アルキル基、及び１〜２４個の炭素原子を含む直鎖アルキル基からなる群から選択される。好ましくは、Ｒ^１は、６〜１８個の炭素原子を含む分岐鎖アルキル基、又は５〜１８個の炭素原子を含む直鎖アルキル基であり、より好ましくは、Ｒ^１は、２−プロピルヘプチル、２−ブチルオクチル、２−ペンチルノニル、２−ヘキシルデシル、ｎ−ヘキシル、ｎ−オクチル、ｎ−デシル、ｎ−ドデシル、ｎ−テトラデシル、ｎ−ヘキサデシル、ｎ−オクタデシル、イソ−ノニル、イソ−デシル、イソ−トリデシル及びイソ−ペンタデシルからなる群から選択され、Ｒ^２は、独立して、Ｈ、３〜１２個の炭素原子を含む分枝状アルキル基、及び１〜１２個の炭素原子を含む直鎖アルキル基からなる群から選択される。好ましくは、Ｒ^２は、独立して、Ｈ及びメチル基から選択され、ｎは０〜１の整数であり）、
ｂ）

３−（３，４−ジヒドロイソキノリニウム）プロパンスルホネート、
及びこれらの混合物。 a)

(In FIG. 1, R ¹ is selected from the group consisting of H, a branched alkyl group containing 3 to 24 carbon atoms, and a linear alkyl group containing 1 to 24 carbon atoms. Preferably, , R ¹ is a branched alkyl group containing 6 to 18 carbon atoms, or a straight chain alkyl group containing 5 to 18 carbon atoms, more preferably R ¹ is 2-propylheptyl, 2 -Butyloctyl, 2-pentylnonyl, 2-hexyldecyl, n-hexyl, n-octyl, n-decyl, n-dodecyl, n-tetradecyl, n-hexadecyl, n-octadecyl, iso-nonyl, iso-decyl, Selected from the group consisting of iso-tridecyl and iso-pentadecyl, R ² is independently H, a branched alkyl group containing 3-12 carbon atoms, and a straight chain containing 1-12 carbon atoms; Chain alkyl Selected from the group consisting of groups, preferably R ² is independently selected from H and a methyl group, n is an integer from 0 to 1),
b)

3- (3,4-dihydroisoquinolinium) propane sulfonate,
And mixtures thereof.

（図３中、Ｒ^１は、９〜２４個の炭素原子を含む分枝状アルキル基又は１１〜２４個の炭素原子を含む直鎖アルキル基であり、好ましくは各Ｒ^１は、９〜１８個の炭素原子を含む分枝状アルキル基、又は１１〜１８個の炭素原子を含む直鎖アルキル基であり、より好ましくは、各Ｒ^１は、２−プロピルヘプチル、２−ブチルオクチル、２−ペンチルノニル、２−ヘキシルデシル、ｎ−ドデシル、ｎ−テトラデシル、ｎ−ヘキサデシル、ｎ−オクタデシル、イソ−ノニル、イソ−デシル、イソ−トリデシル、及びイソ−ペンタデシルからなる群から選択される）。好適なアリールイミニウム双極性イオンとしては、表１ａ、表１ｂに表示されたもの、及びそれらの混合物が挙げられる。好ましいアリールイミニウム双極性イオンは、表１ｂに表示されたもの、及びそれらの混合物である。最も好ましいものは、３−（３，４−ジヒドロイソキノリニウム）プロパンスルホネートの分子内塩、硫酸モノ−［２−（３，４−ジヒドロ−イソキノリン−２−イル）−１−（２−ブチル−オクチルオキシメチル）−エチル］エステル、及びこれらの混合物である。有機漂白触媒の好適なその他の例は、米国特許第５，５７６，２８２号及び同第５，８１７，６１４号、欧州特許第９２３，６３６Ｂ１号、ＰＣＴ国際公開特許ＷＯ ２００１／１６２６３ Ａ１、同ＷＯ ２０００／４２１５６ Ａ１、同ＷＯ ２００７／００１２６２ Ａ１に見出すことができる。 More preferably, the aryliminium zwitterion has the following structure:

(In FIG. 3, R ¹ is a branched alkyl group containing 9 to 24 carbon atoms or a linear alkyl group containing 11 to 24 carbon atoms. Preferably, each R ¹ is 9 to 18 carbon atoms. A branched alkyl group containing 1 carbon atom or a linear alkyl group containing 11 to 18 carbon atoms, and more preferably, each R ¹ is 2-propylheptyl, 2-butyloctyl, 2- Pentylnonyl, 2-hexyldecyl, n-dodecyl, n-tetradecyl, n-hexadecyl, n-octadecyl, iso-nonyl, iso-decyl, iso-tridecyl, and iso-pentadecyl). Suitable aryliminium zwitterions include those listed in Table 1a, Table 1b, and mixtures thereof. Preferred aryliminium zwitterions are those listed in Table 1b and mixtures thereof. Most preferred is the inner salt of 3- (3,4-dihydroisoquinolinium) propanesulfonate, mono- [2- (3,4-dihydro-isoquinolin-2-yl) -1- (2- Butyl-octyloxymethyl) -ethyl] ester, and mixtures thereof. Other suitable examples of organic bleaching catalysts include US Pat. Nos. 5,576,282 and 5,817,614, European Patent 923,636B1, PCT International Publication No. WO 2001/16263 A1, WO 2000/42156 A1 and WO 2007/001262 A1.

（図４中、Ｒ^３は、独立して、Ｈ及びメチル基からなる群から選択される。好ましくは、Ｒ^３はＨである。Ｒ^４とＲ^５は、独立して、Ｈ、３〜１２個の炭素原子を含む分枝状アルキル基、及び１〜１２個の炭素原子を含む直鎖アルキル基からなる群から選択される。好ましくは、Ｒ^４とＲ^５はＨ又はメチルであり、より好ましくは、Ｒ^４とＲ^５はＨである。Ｘ⁻は荷電平衡対イオンであり、好ましくは漂白剤適合性対イオンである）。好適なアリールイミニウムカチオンとしては、表２に表示されたもの、及びそれらの混合物が挙げられる。最も好ましいものは、Ｎ−メチル−３，４−ジヒドロイソキノリニウムテトラフルオロボレート、Ｎ−メチル−３，４−ジヒドロイソキノリニウムｐ−トルエンスルフォネート、及びこれらの混合物である。 Aryliminium cations: Suitable cations and polycations include aryliminium ions having the following structure:

(In FIG. 4, R ³ is independently selected from the group consisting of H and a methyl group. Preferably, R ³ is H. R ⁴ and R ⁵ are independently H, 3- Selected from the group consisting of a branched alkyl group containing 12 carbon atoms and a linear alkyl group containing 1 to 12 carbon atoms, preferably R ⁴ and R ⁵ are H or methyl; More preferably, R ⁴ and R ⁵ are H. X ⁻ is a charge-balanced counterion, preferably a bleach-compatible counterion). Suitable aryliminium cations include those listed in Table 2 and mixtures thereof. Most preferred are N-methyl-3,4-dihydroisoquinolinium tetrafluoroborate, N-methyl-3,4-dihydroisoquinolinium p-toluenesulfonate, and mixtures thereof.

  Improved stability of aryliminium ions when the fluid-containing compartment containing the aryliminium ions has a neat pH of less than 9, preferably less than 8.5, more preferably less than 8, even more preferably less than 7. Is done. In another preferred embodiment, the pH of the fluid containing compartment containing aryliminium ions is 5-7.

2) Activated peroxygen source:
An activated peroxygen source supplies oxygen atoms that are transferred to an oxidizable substrate, and such an activated peroxygen source is an essential feature of the bleaching system. The activated peroxygen source is selected from the group consisting of preformed peracids, hydrogen peroxide sources, and mixtures thereof.

  The activated peroxygen source is free from aryliminium ions so that the activated peroxygen source and the organic bleach catalyst are not capable of chemically interacting due to improved stability before use. Preferably it is at least partially physically separated. In one embodiment, at least 50%, preferably 80%, more preferably 100% by weight of the activated peroxygen source is solid. In such embodiments, the catalytic decomposition reaction of the peroxygen source with aryliminium ions is inhibited by the solid-liquid phase boundary. In another embodiment, at least 50 wt%, preferably 80 wt%, more preferably 100 wt% of the activated peroxygen source maintains the majority of the activated peroxygen source sequestered from the aryliminium ions. It is encapsulated by such a water soluble or dispersible barrier. Suitable water-soluble or dispersible barrier materials include carbohydrates, natural or synthetic rubbers, chitin and chitosan, cellulose and cellulose derivatives, polyvinyl alcohol and polyvinyl alcohol derivatives, polyvinyl acetate, polyethylene glycol, synthetic and natural waxes, gelatin, alginates , Acrylic polymers and derivatives thereof, starch materials, inorganic coatings (silicates, phosphates, carbonates, zeolites, alumina and mixtures thereof), urea-formaldehyde, melamine-formaldehyde, fatty acids, polyurethanes, polyamides, polyureas , Polyesters and mixtures thereof. In yet another embodiment, at least 50 wt%, preferably at least 80 wt%, more preferably 100 wt% of the activated peroxygen source comprises less than 25 wt%, preferably less than 10 wt% of aryliminium ions, More preferably in different compartments comprising less than 1% by weight.

  By similar means, the activated peroxygen source can be physically separated from components such as enzymes and perfumes that are sensitive to bleach. Such embodiments further comprise a detersive enzyme selected from the group consisting of lipase, protease, amylase, cellulase, pectate lyase, xyloglucanase, and mixtures thereof, in which an activated peroxygen source of At least a portion of at least 50%, preferably 80%, more preferably 100% by weight of the activated peroxygen source is solid, at least 50%, preferably 80% by weight of the activated peroxygen source. %, More preferably 100% by weight is encapsulated by a water-soluble or dispersible barrier, and at least 50%, preferably 80%, more preferably 100% by weight of the activated peroxygen source is washed In different compartments containing less than 25%, preferably less than 10%, more preferably less than 1% by weight of sex enzyme By means selected from the group consisting of, including unit dose laundry detergent article is physically separate from the detersive enzyme. In other such embodiments, the unit volume laundry detergent article further comprises a fragrance, wherein at least a portion of the activated peroxygen source is at least 50 wt%, preferably 80 wt%, more preferably 100% by weight of activated peroxygen source is solid, at least 50% by weight, preferably 80% by weight, more preferably 100% by weight of activated peroxygen source is encapsulated by a water-soluble or dispersible barrier. And at least 50 wt.%, Preferably 80 wt.%, More preferably 100 wt.% Of activated peroxygen source is less than 25 wt.%, Preferably less than 10 wt.%, More preferably less than 1 wt. Is physically separated from the perfume by means selected from the group consisting of:

Pre-formed peracid: Suitable pre-formed peracids include phthalimido peroxycaproic acid (PAP), percarboxylic acid and its salts, percarbonate and its salts, perimidic acid and its salts, peroxymonosulfuric acid and its Examples include, but are not limited to, compounds selected from the group consisting of salts, and mixtures thereof. Phthalimide peroxycaproic acid (PAP) is preferred. A suitable salt of peroxymonosulfuric acid is potassium peroxymonosulfate (potassium monopersulfate) or its triple salt: 2KHSO _{5 ·} KHSO _{4 ·} K ₂ SO ₄ .

  The stability of fluid-containing compartments containing preformed peracid is improved by having a neat pH of 4-10, preferably 6.5-9, more preferably 7-8.5. For example, peracids such as phthalimidoperoxycaproic acid are difficult to ring open in such a pH range. In this pH range, it is believed that most of the peracid is protonated, resulting in slower peracid availability. This leads to longer time for the organic bleach booster to be distributed throughout the substrate, leading to improved soil bleaching.

  In unit volume laundry detergent articles, the pre-formed peracid is from 0.1% to 30%, preferably from 0.5% to 25%, more preferably 1% of the encapsulated portion of the unit volume laundry detergent article. It may be present at a concentration of from 10% to 10%, most preferably from 2% to 4%. Alternatively, higher concentrations of peracid may be present for unit volume laundry detergent articles primarily for use as bleaching additives. For example, such a composition may comprise from 10% to 40%, preferably from 15% to 30%, more preferably from 15% to 25% by weight of preformed peracid. In one embodiment of multiple compartments with improved stability, at least 80% by weight of the preformed peracid is encapsulated in one compartment containing less than 25% by weight of aryliminium ions.

  Hydrogen peroxide source: Suitable hydrogen peroxide sources include peroxides, persalts, and mixtures thereof. Embodiments of the present invention may include a hydrogen peroxide source from 0.1 wt% to 30 wt%, preferably from 0.5 wt% to 20 wt%, more preferably from 1 wt% to 10 wt%.

  Hydrogen peroxide is one of the most powerful oxidants known. It is a very selective bleach that causes less fabric fiber damage compared to many other peroxygen sources, and tends to be less aggressive to fabric dyes, detergent enzymes and optical brighteners It is in. When incorporated into the unit-volume laundry detergent articles of the present invention, hydrogen peroxide addition levels of 0.1 wt% to 10 wt%, preferably 0.5 wt% to 5 wt% are preferred. Suitable peroxides also include organic peroxides such as diacyl peroxide that do not produce visible stains or filming. One example is dibenzoyl peroxide. Other suitable sources of hydrogen peroxide are Kirk Othmer's Encyclopedia of Chemical Technology, 4th Ed (1992, John Wiley & Sons), Vol. 4, pp. 271-300 “Bleaching Agents (Survey)”.

  Suitable persalts include percarbonates, perborates, persulfates, perphosphates, persilicates. Percarbonate and perborate are preferred. Percarbonate is particularly preferred because of its fast dissolution rate, environmentally friendly properties, and the advantage of simultaneously producing hydrogen peroxide while liberating carbonate. They therefore provide a higher pH than perborate and effective perhydrolysis. Sodium percarbonate is a preferred percarbonate. Perborate sources such as sodium perborate have good stability and selectivity. Other preferred perborate salts include tetrahydrate and / or monohydrate. For improved stability, the persalt may be coated.

3) Other bleach:
Bleach Activator: The bleaching system of the present invention can be formulated with a bleach activator in combination with a persalt and / or peroxide. Persalts are preferred, especially percarbonates and / or perborates. An example of a suitable peroxide is dibenzoyl peroxide. In use, the bleach activator is nonanoyloxybenzene sulfonate (NOBS), sodium 4- (isononanoyloxy) benzene sulfonate (iso-NOBS), tetraacetylethylenediamine (TAED) or these Preferably it is selected from the group consisting of mixtures. These may be present at a concentration of 0.01% to 15% by weight, preferably 0.5% to 10% by weight, more preferably 1% to 8% by weight. Sodium 4- (isononanoyloxy) benzenesulfonate is particularly preferred when the lipase enzyme is incorporated into a unit volume laundry detergent article because, unlike other bleach activators, it is highly compatible with lipases It is because it has sex. Diacyl peroxide (DAP) formed from the reaction of iso-NOBS with C9 peroxy acid generated from iso-NOBS is also compatible with lipase. Other suitable bleach activators include benzoylcaprolactam (BzCL), 4-nitrobenzoylcaprolactam, 3-chlorobenzoylcaprolactam, benzoyloxybenzene sulfonate (BOBS), phenyl benzoate (PhBz), decanoyloxybenzenesulfate Phonate (C10-OBS), benzoylvalerolactam (BZVL), octanoyloxybenzenesulfonate (C8-OBS), perhydrolyzable esters and mixtures thereof, or benzoylcaprolactam and benzoylvalerolactam, 4- [N -(Nonoayl) aminohexanoyloxy] -benzenesulfonic acid sodium salt (NACA-OBS) (see US Pat. No. 5,523,434), dodecanoyloxy-benzenesulfonate (L Selected from the group consisting of BS or C12-OBS), 10-undecenoyloxybenzene sulfonate (UDOBS or C11-OBS having unsaturation at position 10), and decanoyloxybenzoic acid (DOBA), and mixtures thereof. The Non-limiting examples of suitable bleach activators such as, for example, quaternary substituted bleach activators are described in US Pat. No. 6,855,680. Alternatively, the aryliminium ion may be selected to incorporate bleach activation properties.

  Metal-containing bleach catalyst: Preferred bleach catalysts include manganese and cobalt-containing bleach catalysts. Other suitable metal-containing bleach catalysts include little or no bleaching, such as transition metal cations such as copper, iron, titanium, ruthenium, tungsten, molybdenum, or manganese cations, zinc or aluminum cations, with defined bleach catalyst activity. Auxiliary metal cations having no catalytic activity and sequestering agents having a stability constant defined for the catalyst and the auxiliary metal cations, in particular ethylenediaminetetraacetic acid, ethylenediaminetetra (methylenephosphonic acid) and their And a catalyst system containing a water-soluble salt. A suitable catalyst system is disclosed in US Pat. No. 4,430,243.

  Transition metal composites: The unit volume laundry detergent articles herein preferably comprise a bleach catalyst comprising a transition metal composite of a macropolycyclic rigid ligand. The amount used is preferably from 0.0001% to 5% by weight, more preferably from 0.001% to 2%, most preferably 0.01% by weight of the encapsulated portion of the unit volume laundry detergent article. ˜1% by weight.

Laundry aid:
The unit volume laundry detergent articles of the present invention also include additional surfactants, non-amino functional organic solvents, enzymes, enzyme stabilizers, amphiphilic alkoxylated grease cleaning polymers, clay soil cleaning polymers, soil release polymers, soil suspensions. Turbid polymer, bleach system, fluorescent whitening agent, hue dye, particulate material, perfume and other malodor control agent, hydrotrope, foam suppressant, fabric care benefit agent, pH adjuster, dye transfer inhibitor, preservative, Non-woven direct dyes, as well as conventional laundry detergent ingredients selected from the group consisting of these, may be included. Some of the additional ingredients that can be used are described in more detail as follows:
Additional surfactant: The unit volume laundry detergent article of the present invention contains an additional surfactant selected from the group consisting of: anionic, cationic, nonionic, amphoteric and / or bipolar. Ionic surfactants and mixtures thereof.

  Suitable cationic surfactants can be water soluble, water dispersible, or water insoluble. Such cationic surfactants have at least one quaternized nitrogen and at least one long chain hydrocarbyl group. Also included are compounds containing 2, 3 or even 4 long chain hydrocarbyl groups. Examples include alkyl trimethyl ammonium salts such as C12 alkyl trimethyl ammonium chloride, or hydroxyalkyl substituted analogs thereof. The present invention may contain 1% or more of a cationic surfactant.

  Suitable amphoteric detergent surfactants for use in the composition include surfactants that are widely described as derivatives of aliphatic secondary and tertiary amines, in which aliphatic radicals are direct. One of the aliphatic substituents containing from 8 to 18 carbon atoms and one anionic group such as carboxy, sulfonate, sulfate, phosphate or phosphonate Containing. Suitable amphoteric detergent surfactants for use in the present invention include, but are not limited to: cocoamphoacetate, cocoamphodiacetate, lauroamphoacetate, lauroamphodiacetate, and mixtures thereof.

Zwitterionic detersive surfactants suitable for use in unit volume laundry detergent articles are well known in the art and are widely described as derivatives of aliphatic quaternary ammonium, phosphonium, and sulfonium compounds. The aliphatic radicals can be straight or branched, one of the aliphatic substituents contains 8 to 18 carbon atoms, one of which is carboxy, sulfonate, sulfate, phosphate or Contains anionic groups such as phosphonates. Zwitterionic surfactants such as betaine are also suitable for the present invention. In addition, amine oxide surfactants having the following formula are also useful in the compositions of the present invention: R (EO) _x (PO) _y (BO) _z N (O) (CH ₂ R ′) ₂ .qH ₂ O . R is a relatively long chain hydrocarbyl moiety, which can be saturated or unsaturated, linear or branched, and can contain 8 to 20, preferably 10 to 16 carbon atoms; More preferably, it is C12-C16 primary alkyl. R ′ is a short chain moiety and is preferably selected from hydrogen, methyl and —CH ₂ OH. When x + y + z is different from 0, EO is ethyleneoxy, PO is propyleneoxy, and BO is butyleneoxy. The amine oxide surfactant is represented by C12-C14 alkyl dimethylamine oxide.

  Non-limiting examples of other anionic, zwitterionic, amphoteric, or any additional surfactants suitable for use in the present compositions can be found in McCutcheon's, Emulsifiers and Detergents, 1989 Annual (M. C. Publishing Co., and U.S. Pat. Nos. 3,929,678, 2,658,072, 2,438,091, and 2,528,378. .

  Water and / or non-amino functional organic solvent: The fluid-containing compartment of a unit volume laundry detergent article preferably contains less than 20 wt%, more preferably less than 15 wt%, and most preferably less than 10 wt%. Alternatively, the fluid containing compartment can be almost completely non-aqueous and preferably comprises 2 wt% to 40 wt%, more preferably 5 wt% to 25 wt% of a non-amino functional organic solvent. Such a fluid-containing compartment may contain little water introduced with other source materials, for example.

  As used herein, “non-amino functional organic solvent” refers to any organic solvent that does not contain an amino functional group. Preferred non-amino functional organic solvents include monohydric alcohols, dihydric alcohols, polyhydric alcohols, glycerol, glycols, polyalkylene glycols such as polyethylene glycol, and mixtures thereof. Highly preferred are two or more of a mixture of solvents, in particular a lower aliphatic alcohol such as ethanol, propanol, butanol, isopropanol, a diol such as 1,2-propanediol or 1,3-propanediol, and glycerol. It is a mixture of Also preferred are propanediol and a mixture of diethylene glycol and propanediol, in which case the mixture does not contain methanol or ethanol. Thus, embodiments of the unit volume laundry detergent article of the present invention may include embodiments where propanediol is used but methanol and ethanol are not used.

  Preferred non-amino functional organic solvents are liquid at ambient temperature and pressure (ie 21 ° C. and 1 atmospheric pressure) and contain carbon, hydrogen and oxygen. The non-amino functional organic solvent may be present in the preparation of the external structured system premix or in the final unit volume laundry detergent article.

  Enzymes: The unit volume laundry detergent articles of the present invention may comprise 0.0001% to 8% by weight of a detersive enzyme that provides cleaning performance and / or fabric care benefits. Such a composition preferably has a composition pH of 6 to 10.5. Suitable enzymes can be selected from the group consisting of lipases, proteases, amylases, cellulases, pectate triases, xyloglucanases, and mixtures thereof. Preferred enzyme combinations include a mixture of conventional detersive enzymes such as lipases, proteases, cellulases, and amylases. Detersive enzymes are described in more detail in US Pat. No. 6,579,839.

  Enzyme stabilizers: Enzymes are calcium and / or magnesium compounds, boron compounds and substituted boric acid, aromatic borate esters, peptides and peptide derivatives, polyols, low molecular weight carboxylates, relatively hydrophobic organic compounds [ For example, certain esters, dialkyl glycol ethers, alcohols, or alcohol alkoxylates], calcium ion sources plus alkyl ether carboxylates, benzamidine hypochlorites, low aliphatic alcohols and carboxylic acids, N, N-bis (Carboxymethyl) serine salt; (meth) acrylic acid- (meth) acrylic acid ester copolymer and PEG; lignin compound, polyamide oligomer, glycolic acid or salt thereof; polyhexamethylene biguanide or N, N-bis-3-amino- Propyl-dode Triethanolamine or salts; and can be stabilized using any known stabilizer system as well as mixtures thereof.

  Adhesion aid polymer: Preferably, the unit volume laundry detergent article comprises 0.1% to 7%, more preferably 0.2% to 3%, of an adhesion aid polymer. As used herein, “adhesion aid polymer” refers to any cationic polymer or mixture of cationic polymers that significantly increases the adhesion of the fabric care benefit agent to the fabric during laundering. Suitable deposition aid polymers can include cationic polysaccharides and / or copolymers. As used herein, “fabric care benefit agent” refers to any substance capable of providing a fabric care benefit. Non-limiting examples of fabric care effects include, but are not limited to, fabric softening, color protection, color restoration, fluff / fuzz reduction, anti-friction, and anti-wrinkle. Non-limiting examples of fabric care benefit agents include silicone derivatives, oily sugar derivatives, dispersible polyolefins, polymer latexes, cationic surfactants, and combinations thereof.

  Cleaning polymer: The unit volume laundry detergent articles herein may optionally contain from 0.01% to 20% by weight of one or more cleaning polymers, the cleaning polymer having extensive soiling of surfaces and fabrics Provide cleaning and / or soil suspension. Any suitable cleaning polymer can be used. Useful cleaning polymers are described in US Patent Application Publication No. 2009 / 0124528A1. Non-limiting examples of useful classes of cleaning polymers include amphiphilic alkoxylated grease cleaning polymers; clay soil cleaning polymers; soil release polymers; and soil suspension polymers.

  Fluorescent whitening agents: These are also known as fluorescent whitening agents for textiles. A preferred concentration is 0.001% to 2% by weight of the enclosed portion of the unit volume laundry detergent article. Suitable brighteners are disclosed, for example, in EP 686691B and include those of the hydrophobic type as well as those of the hydrophilic type. Brighttener 49 is preferred for use in the present invention.

  Hue dyes: Hue dyes or fabric shading dyes are useful laundry aids in unit volume laundry detergent articles. Suitable dyes include blue dyes and / or violet dyes that have a hue effect or shadow effect. For example, see International Patent Application Publication Nos. 2009/087524 A1, 2009/087034 A1, and references cited therein. Recent developments suitable for the present invention include sulfonated phthalocyanine dyes having a central atom of zinc or aluminum. The unit volume laundry detergent articles herein may comprise 0.00003 wt% to 0.1 wt%, preferably 0.00008 wt% to 0.05 wt% of a fabric hue dye.

  Particulate matter: unit volume laundry detergent articles are encapsulated oxidation sensitive and / or heat sensitive ingredients such as clays, foam suppressants, perfumes (perfume microcapsules), bleaches and enzymes, or mica, pigment particles May include particulate materials of aesthetic aids such as pearlizing agents including A suitable concentration is 0.0001% to 10%, or 0.1% to 5% by weight of the encapsulated portion of the unit volume laundry detergent article.

  Perfume and odor control agents: In a preferred embodiment, the unit volume laundry detergent article comprises free and / or microencapsulated perfume. When present, the free perfume is typically 0.001% to 10%, preferably 0.01% to 5%, more preferably 0.1% of the encapsulated portion of the unit volume laundry detergent article. It is incorporated at a concentration of 3% to 3% by weight.

  By encapsulating at least a portion of the perfume raw material in perfume microcapsules, the perfume raw material can be protected from oxidation by the bleach system. When present, fragrance microcapsules are formed by at least partially surrounding the fragrance raw material with a wall material. Preferably, the microcapsule wall material comprises melamine cross-linked with formaldehyde, polyurea, urea cross-linked with formaldehyde or urea cross-linked with gluteraldehyde. Suitable fragrance microcapsules and fragrance nanocapsules include those described in the following references. That is, U.S. Patent Application Publication Nos. 20030417417 A1, 2003014888 A1, 20030344344 A1, 20031656992 A1, 2004071742 A1, 2004071746 A1, 2004072719 A1, 2004072720. A1, European Patent Application Publication No. 1393706 A1, U.S. Patent Application Publication No. 20033203829 A1, No. 20030133133 A1, No. 2004087477 A1, No. 20040106536 A1, No. 6,645,479, No. 6200949, No. 4,882,220, No. 4,917,920, No. 4,514,461, US Reissue Patent No. RE 32713, US Pat. No. 4,234,627.

  In other embodiments, the unit volume laundry detergent article includes an odor control agent such as a non-complexed cyclodextrin described in US Pat. No. 5,942,217. Other suitable odor control agents include US Pat. Nos. 5,968,404, 5,955,093, 6,106,738, 5,942,217, and The thing currently described in 6,033,679 is mentioned.

  Hydrotrope: The encapsulated portion of a unit volume laundry detergent article typically contains an effective amount of hydrotrope, preferably up to 15 wt%, more preferably 1 wt% to 10 wt%, most preferably 3 wt% to 6 wt%. %, Which allows the fluid laundry detergent composition to coexist in water. Suitable hydrotropes for use herein include anionic hydrotropes, such as sodium xylene sulfonate, potassium xylene sulfonate, and xylene sulfone, as disclosed in US Pat. No. 3,915,903. Ammonium acid, sodium toluene sulfonate, potassium toluene sulfonate and ammonium toluene sulfonate, sodium cumene sulfonate, potassium cumene sulfonate and ammonium cumene sulfonate, and mixtures thereof.

  External structuring system: An external structuring system is a yield stress sufficient to stabilize the fluid independently of any structuring effect of the detersive surfactant of the composition, ie, other than the detersive surfactant Or refers to a compound or mixture of compounds that provides either low shear viscosity. The fluid in any compartment of the present invention may comprise 0.01 wt% to 5 wt%, preferably 0.1 wt% to 1 wt% of the external structured system. Suitable external structuring systems include non-polymeric crystalline hydroxy-functional structuring agents, polymeric structuring agents, or mixtures thereof.

Preferably, the external structuring system provides a high shear viscosity of 21 to 1500 cps at 21 ° C. and 20 s ⁻¹ as well as a low shear viscosity of greater than 5000 cps (at 21 ° C. and 0.05 s ⁻¹ ). The viscosity is measured using an AR 550 rheometer from TA instruments using a flat steel spindle with a diameter of 40 mm and a gap size of 500 μm. Low shear viscosity at 20s high shear viscosity at ^-1, and 0.5 s ^-1 can be obtained from a logarithmic shear rate curves of ^0.1s -1 ～25S ^-1 for 3 minutes at 21 ° C..

  The external structuring system may comprise 0.01% to 1% by weight of non-polymeric crystalline hydroxyl functional structuring agent. Such non-polymeric crystalline hydroxyl functional structuring agents generally include crystallizable glycerides that can be pre-emulsified to aid dispersion in the final unit volume laundry detergent article. Suitable crystallizable glycerides include hydrogenated castor oil or “HCO” or derivatives thereof, provided that they can be crystallized in a fluid detergent composition. Other embodiments of suitable external structuring systems may include 0.01% to 5% by weight of naturally occurring and / or synthetic polymeric structuring agents. Suitable naturally derived polymeric structurants include: hydroxyethyl cellulose, hydrophobically modified hydroxyethyl cellulose, carboxymethyl cellulose, polysaccharide derivatives, and mixtures thereof. Suitable polysaccharide derivatives include: pectin, alginate, arabinogalactan (gum arabic), carrageenan, gellan gum, xanthan gum, guar gum and mixtures thereof. Suitable synthetic polymer structurants include: polycarboxylates, polyacrylates, hydrophobically modified ethoxylated urethanes, hydrophobically modified nonionic polyols, and mixtures thereof.

Unit capacity pouch material:
The contents of the unit volume compartment can generally be prepared by mixing the ingredients together. The contents of the unit volume compartment are encapsulated in a water soluble or dispersible film. The water soluble or dispersible film preferably has a water solubility of at least 50%, more preferably at least 75% or even at least 95%. Water solubility is measured by the method described herein: 5.0 grams ± 0.1 grams of water soluble or dispersible film is added into a pre-weighed 400 ml beaker and 245 mL ± 1 mL. Add distilled water. This is vigorously stirred for 30 minutes on a magnetic stirrer set at 600 rpm. The mixture is then filtered through a sintered glass filter having a maximum pore size of 20 micrometers. Water is dried from the collected filtrate by any conventional method and the weight of the remaining material is measured (this is the dissolved or dispersed fraction). The solubility or% dispersity can then be calculated.

  Preferred polymers, copolymers or derivatives thereof suitable for use as water-soluble or dispersible films are polyvinyl pyrrolidone, polyalkylene oxide, acrylamide, acrylic acid, cellulose, cellulose ether, cellulose ester, cellulose amide, polyvinyl acetate, polycarboxylic acid. Acids and salts thereof, polyamino acids or peptides, polyamides, polyacrylamides, maleic / acrylic acid copolymers, polysaccharides including starch and gelatin, natural gums such as xanthan and carragum. More preferred polymers are selected from polyacrylates and water-soluble acrylate copolymers, methylcellulose, sodium carboxymethylcellulose, dextrin, ethylcellulose, hydroxyethylcellulose, hydroxypropylmethylcellulose, maltodextrin, polymethacrylate, most preferably polyvinyl alcohol, polyvinyl alcohol copolymer, Selected from hydroxypropylmethylcellulose (HPMC) and combinations thereof. However, films comprising polyvinyl alcohol, polyvinyl alcohol copolymers, or mixtures thereof are particularly preferred for use in the present invention because of their high solubility. When such a film dissolves quickly, aryliminium ions can be quickly and uniformly distributed throughout the wash water. Preferably, the concentration of polymer, eg, PVA polymer, in the pouch material is at least 60%. The polymer can have any weight average molecular weight, preferably 1000 to 1,000,000, more preferably 10,000 to 300,000, and even more preferably 20,000 to 150,000. .

^１ 国際特許出願公開第２００６／１２０４０５ Ａ１号の方法による封入
^２ アミラーゼ及びプロテアーゼ Examples 1a and 1b: Single compartment unit volume laundry detergent articles of the present invention encapsulated in a polyvinyl alcohol film.

¹ Encapsulation by the method of International Patent Application Publication No. 2006/120405 A1
² Amylase and protease

Examples 2a and 2b: Single compartment unit volume laundry detergent articles of the present invention encapsulated in a polyvinyl alcohol film.

^２ アミラーゼ及びプロテアーゼ
^３ Ｓｏｌｖａｙ，Ａｕｓｓｉｍｏｎｔより供給されたＥｕｒｅｃｏ Ｗ（商標） Examples 3a, 3b and 3c: A two compartment unit volume laundry detergent article of the present invention encapsulated in a polyvinyl alcohol film, wherein the activated peroxygen source is in a separate compartment from the other laundry ingredients.

² Amylase and protease
³ Eureco W (trademark) supplied by Solvay, Aussimmont

^２ アミラーゼ及びプロテアーゼ Example 4: A two compartment unit volume laundry detergent article of the present invention encapsulated in a polyvinyl alcohol film, wherein the activated peroxygen source and the organic catalyst are in separate compartments.

² Amylase and protease

^２ アミラーゼ及びプロテアーゼ Examples 5a and 5b: A two compartment unit volume laundry detergent article of the present invention encapsulated in a polyvinyl alcohol film, wherein the activated peroxygen source and the organic catalyst are in separate compartments.

² Amylase and protease

^２ アミラーゼ及びプロテナーゼ Example 6: A three-compartment unit-volume laundry detergent article of the present invention encapsulated in a polyvinyl alcohol film, wherein the activated peroxygen source, organic catalyst, and enzyme are in separate compartments.

² Amylase and proteinase

^２ アミラーゼ及びプロテアーゼ
^４ Ｃａｒｏａｔ（Ｅｖｏｎｉｋ Ｉｎｄｕｓｔｒｉｅｓ ＡＧ；Ｒｅｌｌｉｎｇｈａｕｓｅｒ Ｓｔｒａｂｅ １；４５１２８ Ｅｓｓｅｎ，Ｇｅｒｍａｎｙ）−カリウムペルオキシモノサルフェート Examples 7a and 7b: Two-compartment unit-volume laundry detergent articles of the present invention encapsulated in a polyvinyl alcohol film in which the activated peroxygen source is separated from other active ingredients.

² Amylase and protease
⁴ Caroat (Evonik Industries AG; Rellinghauser Strabe 1; 45128 Essen, Germany) -potassium peroxymonosulfate

The pH of the composition of Example 1a is adjusted to pH 7, 8, and 9 (using either HCl or NaOH) and the residual iminium ions remaining after storage for 2 weeks at 21 ° C. and 32 ° C. By measuring the percentage, the stability of the aryliminium ion at different pH was evaluated:

  The dimensions and values disclosed herein are not to be understood as being strictly limited to the exact numerical values recited. Rather, unless otherwise stated, each such dimension is intended to mean both the recited value and a functionally equivalent range surrounding that value. For example, a dimension disclosed as “40 mm” is intended to mean “about 40 mm”.

Claims (16)

A unit capacity laundry detergent article,
a) anionic and / or nonionic surfactants;
b) a bleach system,
The bleach system is encapsulated in a water soluble or dispersible film;
(I) an organic bleach catalyst comprising an aryliminium ion selected from the group of cations, zwitterions and mixtures thereof;
(Ii) an activated peroxygen source selected from the group consisting of a preformed peracid, a hydrogen peroxide source, and mixtures thereof;
A unit volume laundry detergent article comprising at least 50% by weight of the anionic and / or nonionic surfactant and at least 50% by weight of the aryliminium ion in at least one fluid composition. The aryliminium ion is
a)

(In Fig. 1,
(I) R ¹ is selected from the group consisting of H, a branched alkyl group containing 3 to 24 carbon atoms, and a straight chain alkyl group containing 1 to 24 carbon atoms, preferably R ¹ Is a branched alkyl group containing 6 to 18 carbon atoms or a linear alkyl group containing 5 to 18 carbon atoms, more preferably each R ¹ is 2-propylheptyl, 2- Butyloctyl, 2-pentylnonyl, 2-hexyldecyl, n-hexyl, n-octyl, n-decyl, n-dodecyl, n-tetradecyl, n-hexadecyl, n-octadecyl, iso-nonyl, iso-decyl, iso -Selected from the group consisting of tridecyl and iso-pentadecyl;
(Ii) R ² is independently selected from the group consisting of H, a branched alkyl group containing 3 to 12 carbon atoms, and a linear alkyl group containing 1 to 12 carbon atoms, preferably R ² is independently selected from H and a methyl group;
(Iii) n is an integer from 0 to 1),
b)

3- (3,4-dihydroisoquinolinium) propane sulfonate,
2. The unit volume laundry detergent article of claim 1, wherein the article is a zwitterion selected from the group consisting of and mixtures thereof. The aryliminium ion has the structure:

(In Fig. 3,
R ¹ is a branched alkyl group containing 9 to 24 carbon atoms or a linear alkyl group containing 11 to 24 carbon atoms, preferably each R ¹ is 9 to 18 carbon atoms A branched alkyl group containing or a linear alkyl group containing 11 to 18 carbon atoms, more preferably each R ¹ is 2-propylheptyl, 2-butyloctyl, 2-pentylnonyl, 2- A dipolar ion having hexyldecyl, n-dodecyl, n-tetradecyl, n-hexadecyl, n-octadecyl, iso-nonyl, iso-decyl, iso-tridecyl and iso-pentadecyl) The unit volume laundry detergent article according to claim 2. The aryliminium ion has the structure:

(In Fig. 4,
(I) R ³ is independently selected from the group consisting of H and a methyl group, preferably R ³ is H;
(Ii) R ⁴ and R ⁵ are independently selected from the group consisting of H, a branched alkyl group containing 3 to 12 carbon atoms, and a linear alkyl group containing 1 to 12 carbon atoms. Preferably R ⁴ and R ⁵ are H or methyl, more preferably R ⁴ and R ⁵ are H,
(Iii) X ^- is a charge-balancing counterion, preferably a cation having a a) bleach compatible counterions, unit capacity laundry detergent article of claim 1.   The activated peroxygen source is from the group consisting of phthalimidoperoxycaproic acid (PAP), percarboxylic acid and salts thereof, percarbonate and salts thereof, perimidic acid and salts thereof, peroxymonosulfuric acid and salts thereof, and mixtures thereof. 5. A unit volume laundry detergent article according to any one of the preceding claims which is a pre-formed peracid selected.   6. A unit volume laundry detergent according to claim 5, comprising a fluid-containing compartment comprising a preformed peracid having a neat pH of 4-10, preferably 6.5-9, more preferably 7-8.5. Goods.   The fluid-containing compartment containing the aryliminium ion has a neat pH of less than 9, preferably less than 8.5, more preferably less than 8, even more preferably less than 7. A unit-volume laundry detergent article according to any one of the preceding claims.   5. The unit volume laundry detergent article of claim 1-4, wherein the activated peroxygen source is an activated peroxygen source selected from the group consisting of peroxides, persalts, and mixtures thereof.   9. The unit volume laundry detergent article of claim 8, further comprising a bleach activator.   The bleach activator is a group consisting of nonanoyloxybenzenesulfonate (NOBS), sodium 4- (isononanoyloxy) benzenesulfonate (iso-NOBS), tetraacetylethylenediamine (TAED) or a mixture thereof. 10. A unit volume laundry detergent article according to claim 9 selected from.   11. The unit volume laundry of claim 10, wherein the bleach activator is sodium 4- (isononanoyloxy) benzenesulfonate (iso-NOBS) and the unit volume laundry detergent article further comprises a lipase enzyme. Detergent goods.   A fragrance microcapsule is further included, and the wall material of the fragrance microcapsule preferably includes melamine crosslinked with formaldehyde, polyurea, urea crosslinked with formaldehyde, or urea crosslinked with glutaraldehyde. The unit capacity laundry detergent article as described in any one of -11. Part of the peroxygen source is
a) at least 50% by weight of the activated peroxygen source is solid;
b) at least 50% by weight of the activated peroxygen source is encapsulated by a water soluble or dispersible barrier; and c) at least 50% by weight of the activated peroxygen source contains the aryliminium ion. 13. Physical separation from the aryliminium ion by means selected from the group consisting of: being in different compartments comprising less than 25% by weight. Unit capacity of laundry detergent articles. Further comprising a detersive enzyme selected from the group consisting of lipases, proteases, amylases, cellulases, pectate triases, xyloglucanases, and mixtures thereof, wherein at least a portion of the peroxygen source comprises:
a) at least 50% by weight of the activated peroxygen source is solid;
b) at least 50% by weight of the activated peroxygen source is encapsulated by a water-soluble or dispersible barrier; and c) at least 50% by weight of the activated peroxygen source contains 25 detersive enzymes. 14. Physically separated from the detersive enzyme by means selected from the group consisting of: being in different compartments comprising less than% by weight. Unit capacity laundry detergent article. Further comprising a fragrance, wherein at least a portion of the peroxygen source is
a) at least 50% by weight of the activated peroxygen source is solid;
b) at least 50% by weight of the activated peroxygen source is encapsulated by a water-soluble or dispersible barrier; and c) at least 50% by weight of the activated peroxygen source is 25% by weight of the perfume. 15. A unit volume laundry detergent according to any one of the preceding claims, wherein the unit volume laundry detergent is physically separated from the perfume by means selected from the group consisting of: Goods.   The unit volume laundry detergent article according to any one of the preceding claims, wherein the water-soluble or dispersible film comprises polyvinyl alcohol, polyvinyl alcohol copolymer, or a mixture thereof.