DE60209647T2 - Cleaning Wipes - Google Patents

Abstract

The invention provides an improved cleaning wipe which requires no scrubbing, buffing, polishing or rinsing, with the following components: (a) a wipe which preferably comprises at least one layer of nonwoven material; (b) a liquid cleaner which comprises: (i) a surfactant; (ii) a short chain alkanol and a more hydrophobic solvent; and (iii) the remainder, water, said wipe used to clean surfaces without rinsing, streaking or filming, wherein the ratio of short chain alkanol to hydrophobic solvent is from about 1.75 : 1 to about 0.5 : 1, and wherein the liquid cleaner load on the wipe is less than 2.5 : 1.

Description

The The present invention relates to a cleaning wiper for a general purpose, which includes a wipe, combined with a liquid Solution, which is a surfactant and a combination of water-miscible or -soluble solvents includes. The improved wiper surprisingly achieves the desired, but difficult to achieve goals with improved cleaning little or no filming or banding, without polishing the with the wipe cleaned surface.

Cleaning wipes were formulated for special purposes. For example, cleaning wipes containing inverse emulsions (ie, water-in-lipid) are particularly useful in removing children's perianal debris. It is claimed that these baby wipes are more aesthetically pleasing for use on skin because they contain substantially a waxy coating which, among other features, prevents the premature release of the aqueous liquid detergent composition contained in this inverse emulsion. Examples of these inverse emulsion impregnated wipes are described in Cabell et al., U.S. Patent 5,908,707, Mackey et al., WO 97/40814, Mackey et al., WO 96/14835, and Moore, EP 750063 played. It is quite clear that these types of wipers do not consider improved hard surface cleaning as a priority.

Some other references teach that the use of pre-moistened wipes to clean surfaces is useful. However, they were deficient for one reason or another. U.S. Patent 4,448,704 discloses the use of a pre-moistened or dry wiper product containing C ₂ -C ₃ alcohol as the main solvent and pre-treating the substrate to remove contaminants that may cause streaking. However, there is no teaching, disclosure, or suggestion that the lower alcohol may be paired with a more hydrophobic detergent.

The U.S. Patent 4,666,621 discloses a pre-moistened, streak-free, lint-free wiper product for hard Surfaces. The disclosed liquid However, the formulation consists of a lower alcohol with a chain length of (1-6) Carbons as the predominant solvent, the loading on the wipe 2.5-4.5 times the weight of the wipe should be.

WHERE 01/38840, of ordinary Use or task discloses improved cleaning wipes, in a combination of a hydrophilic polymer and a nonionic Surfactants, preferably a glycoside, the filming / streaking performance improved.

It may also refer to WO-A-89/05114, which is disposable impregnated wipes for cleaning or maintaining hard surfaces, and US-A-5,264 269, the water-decomposable cleaning products in laminated sheet or foil form.

Nothing from the associated Prior art teaches or discloses an improved one Cleaning wipe with a liquid Detergent close, which is a short-chain alcohol and a more hydrophobic solvent includes, wherein the ratio of the short-chain alcohol to the hydrophobic solvent of 1.75: 1 to 0.5: 1, and wherein the load of liquid detergent on the wipe is less than 2.5: 1. Such related art teaches discloses and adds in addition not close to the advantages and benefits of the cleaning wipe according to the invention.

The The present invention is directed to an improved cleaning wipe, that with a liquid Detergent composition is wetted or impregnated, in which a surfactant, a short-chain alcohol, combined with a stronger hydrophobic solvent, preferably a glycol ether, and water combined to form a to provide improved cleaning of hard surfaces, without the need to flush with water, and not only full Purification is effected, but this without leaving a significant Restes performed which is typically called striation / filming, where the relationship from short chain alkanol to hydrophobic solvent of 1.75: 1 to 0.5: 1, and wherein the load of liquid detergent on the wipe is less than 2.5: 1. Surfaces treated with the wipes were, in particular, shiny or smooth, hard surfaces, like glass, mirrors, chrome, tiles, glossy or bare metal surfaces, painted Surfaces, Porcelain (or other hard, shiny or smooth surfaces, whether they are made of natural or composite materials are made) and the like made radiant and shinier in the appearance.

• (a) ein Wischtuch, das vorzugsweise mindestens eine Schicht eines Vliesstoffmaterials umfasst;
• (b) ein flüssiges Reinigungsmittel, das umfasst: (i) ein Alkalimetallalkyldiphenyloxiddisulfonat-Tensid, (ii) ein C_2-4-Alkanol und ein stärker hydrophobes Lösungsmittel, und (iii) den Rest, Wasser,

wobei das Wischtuch dazu verwendet wird, Oberflächen ohne Spülen, Streifen- oder Filmbildung zu reinigen, wobei das Verhältnis von C_2-4-Alkanol zu hydrophobem Lösungsmittel von 1,75:1 bis 0,5:1 ist, und wobei die Beladung mit flüssigem Reinigungsmittel auf dem Wischtuch weniger als 2,5:1 ist.In one aspect, the invention is directed to a cleaning wipe that does not scrub, polish or leathering (buffing), polishing or rinsing, comprising:

• (a) a wipe which preferably comprises at least one layer of a nonwoven material;
• (b) a liquid detergent comprising (i) an alkali metal alkyl diphenyloxide disulfonate surfactant, (ii) a C _2-4 alkanol and a more hydrophobic solvent, and (iii) the remainder, water,

wherein the wipe is used to clean surfaces without rinsing, streaking or filming, wherein the ratio of C _2-4 alkanol to hydrophobic solvent is from 1.75: 1 to 0.5: 1 and wherein the loading is with liquid detergent on the wipe is less than 2.5: 1.

• (i) ein Alkalimetallalkyldiphenyloxiddisulfonat-Tensid,
• (ii) ein C_2-4-Alkanol und ein stärker hydrophobes Lösungsmittel, und
• (iii) den Rest, Wasser,

wobei die Oberflächen ohne die Notwendigkeit für Schrubben, Wischen oder direktes Spülen gereinigt werden und frei sind von Streifen- und Filmbildung, wobei das Verhältnis von C_2-4-Alkanol zu hydrophobem Lösungsmittel von 1,75:1 bis 0,5:1 ist, und wobei die Beladung mit flüssigem Reinigungsmittel auf dem Wischtuch weniger als 2,5:1 ist.In yet another aspect, the invention is directed to a method of cleaning a hard surface comprising the steps of:
Applying a cleaning wipe to a surface combined with a certain amount of liquid detergent, wherein the liquid detergent comprises:

• (i) an alkali metal alkyl diphenyloxide disulfonate surfactant,
• (ii) a C _2-4 alkanol and a more hydrophobic solvent, and
• (iii) the rest, water,

wherein the surfaces are cleaned without the need for scrubbing, wiping or direct rinsing and are free from streaking and filming, wherein the ratio of C _2-4 alkanol to hydrophobic solvent is from 1.75: 1 to 0.5: 1 , and wherein the liquid detergent load on the wipe is less than 2.5: 1.

It is therefore an object and advantage of the present invention, to provide a cleaning wipe which is filled with a liquid detergent waterproof is what significantly improves the stripe and filming performance Has.

It is another task and another advantage of the present Invention to provide a cleaning wipe that with a liquid Detergent impregnated in which there is a combination of a short chain alkanol and a glycol ether, where it is the purpose of at least one this is an improved stripe / filming on a surface that cleaned with the wipe, to improve.

It is yet another task and yet another advantage of the present Invention to provide a cleaning wipe, the low until there is no streaking and filming.

It is yet another task and yet another benefit of present invention, a for the consumer appropriate cleaning device to provide the surfaces without the need to rinse with water, cleanses.

It is another task and another advantage of the present Invention to provide a cleaning wiper that cleans hard surfaces and, especially with regard to shiny surfaces, the surface clean, bright and shiny or blank, without polishing or leathering (buffing) or polishing.

The The invention provides an improved cleaning wipe which an absorbent / adsorbent wipe comprises, preferably made of at least one layer of nonwoven material, the wipe with a liquid Detergent impregnated is. The wipe provides excellent cleaning with or without little streaking / filming ready and gives resilience across from contamination of the surface cleaned with it.

• (i) ein Alkalimetallalkyldiphenyloxiddisulfonat-Tensid,
• (ii) ein C_2-4-Alkanol und ein stärkes hydrophobes Lösungsmittel, und
• (iii) den Rest, Wasser, wobei das Verhältnis von C_2-4-Alkanol zu hydrophobem Lösungsmittel von 1,75:1 bis 0,5:1 ist, und wobei die Beladung mit flüssigem Reinigungsmittel auf dem Wischtuch weniger als 2,5:1 ist.

The cleaning wipe is preferably impregnated with a liquid detergent, which is preferably a single phase solution or dispersion having a viscosity of generally less than about 1,000 centipoise ("cps"). The liquid detergent has the following ingredients:

• (i) an alkali metal alkyl diphenyloxide disulfonate surfactant,
• (ii) a C _2-4 alkanol and a strong hydrophobic solvent, and
• (iii) the remainder, water, wherein the ratio of C _2-4 alkanol to hydrophobic solvent is from 1.75: 1 to 0.5: 1, and wherein the load of liquid detergent on the wipe is less than 2.5 : 1 is.

additional Additions, such as co-surfactants, chelating agents, buffers, perfumes, Dyes and the like can be included in small amounts to desirable properties such additives provide.

at In the application, effective amounts are generally those amounts which are considered the ranges or levels of ingredients in the descriptions, which follow, are listed. Unless otherwise stated, are as percentages ("% s") listed quantities in weight percent (Based on 100% active ingredients) (100% active) of the cleaning composition.

1. The substrate

The substrate for the wipe is generally an absorbent or adsorbent material. Preferably, it is a nonwoven sheet which is at least one layer made of wood pulp or a blend of wood pulp and a synthetic fiber, without limitation, such as polyester, rayon, nylon, polypropylene, polyethylene, other cellulosic polymers, or a synthetic fiber or a mixture of such fibers. The nonwoven webs may include nonwoven fibrous sheet materials including meltblown, coform, air-laid, spunbonded, wet-laid, bonded-carded web materials, hydroentangled (also referred to as spunlaced) materials and combinations thereof. These materials may include synthetic or natural fibers or combinations thereof. A binder may or may not be present. Manufacturers include Kimberly-Clark, EI du Pont de Nemours and Company, Dexter, American Nonwovens, James River, BBA Nonwovens and PGI. Examples of such substrates are in: Bouchette et al., U.S. Patents 4,781,974 and 4,615,937, Clark et al., U.S. Patent 4,666,621, Amundson et al., WO 98/03713, and Cabell et al., U.S. Patent 5,908,707, Mackey et al., WO 97/40814, Mackey et al., WO 96/14835, and Moore, EP 750063 , reproduced.

woven Materials such as cotton fibers or cotton / nylon blends or other textiles, can also be used herein. Regenerated cellulose, polyurethane foams and The like used to make sponges can also for the Use suitable herein.

The Liquid loading capacity of the substrate should be at least about 50% -270% the dry weight thereof, more preferably at least about 100% -240%, and the strongest preferably about 150% to 240%. This is expressed as a load of 1/2 to less than 2.5 times the weight (or more accurately the mass) of the substrate. This loading of the substrate is very important to the invention, as it provides a larger or larger will predict lower streaks / filming performance, as by The experimental section below is shown.

The substrate varies without limitation, (referred to as "basis weight") of from about 0.01 to about 1000 grams per square meter, most preferably 25-120 g / m ^2, and is typically manufactured as a sheet or web or strip, which is cut, stamped or otherwise made into the appropriate shape and size.

The substrates, now simply referred to as wipes, can be individually sealed with a heat-sealable or tackable thermoplastic overwrap (such as polyethylene, Mylar, and the like). More preferably, the wipes may be packaged as numerous single sheets which are then impregnated or contacted with the liquid cleaning ingredients of the present invention for more economical delivery. Even more preferably, the wipes may be formed as a continuous web during the manufacturing process and loaded into a dispenser such as a container with a closure, a paper or other carton material having a closure or seam, or a cup with closure become. The closure is designed to seal the wet wipes from the outside environment and prevent premature volatilization of the volatile ingredients. Without limitation, the dispenser may be formed of plastic such as low density polyethylene, polypropylene, polycarbonate, polyethylene terephthalate (PET), polyvinyl chloride (PVC) or other rigid plastics, or paper, cartonboard, or other material. The continuous web of wipes could preferably be threaded through a thin opening in the top of the dispenser, most preferably through the closure. A device for measuring the desired length or the size of the wipe from the web would then be required. A knife blade, serrated edge, or other device for cutting the web to the desired size may be provided at the top of the dispenser as non-limiting examples, thus effectively eliminating the problem of the thin aperture as a cutting edge. Alternatively, the continuous could be Web scribed, perforated, folded, cut or partially cut into uniform or non-uniform sizes or lengths, which would avoid the need for a sharp knife. Furthermore, the wipes could be nested, as with towels, so that removal of a wipe moves the next forward, etc.

The wipes are preferably a wet tensile strength have, without limitation from about 25 to about 250 Newton / meter, more preferably about 75 to 170 Newton / meter, is.

2. The liquid detergent

The Wipe is with the liquid Detergent impregnated, the liquid Detergent is dosed, applied, measured or otherwise spread on the wipe.

This can be done in many ways. For example, could anybody single wipe with a certain amount of liquid detergent be treated. Stronger a mass treatment of a continuous web is preferred of wipes with the liquid Cleaning agents take place. In some cases, an entire orbit of wipes be immersed in the detergent. In other cases that could liquid Cleanser while the web is wound up, or even during the production of the nonwoven material, sprayed on the track or otherwise dimensioned or dosed. A mass, like a stack of individually cut and sized ones Wipes, could too in her container be impregnated by the manufacturer or even by the consumer. What follows is a description of the individual components of the liquid detergent.

3. Surfactants

An essential part of the invention resides in the use of a low residue surfactant which is an alkali metal (sodium, potassium, lithium counter ion, ammonium is also a possibility) alkyldiphenyloxide disulfonate as the main constituent of the detergent surfactant for impregnation of the wipe is used. These alkali metal alkyl diphenyl oxide disulfonates are atypical surfactants and preferably include an alkyl chain group of C _6-20 . The preferred alkali metal alkyl diphenyl oxide disulfonates are those of Dow under the trade name Dowfax. Particularly preferred is Dowfax 2A1, a sodium dodecyl diphenyloxide disulfonate. Pilot Chemical, with Calfax, is another source of the alkyl diphenyl oxide sulfonate surfactant.

The Levels of surfactants that are present should be for cost savings slightly minimized, and generally the dissolved active ingredients to restrict (actives) that could help To leave residues behind, when the composition is applied to a surface. however the amounts added are generally 0.001-6%, more preferably 0.002-4.00%, Surfactant. These are generally considered as cleaning effective amounts.

4. Solvent

A key to the invention is the use of a combination of solvents in the liquid detergent: a C _2-4 alkanol with a more hydrophobic solvent, preferably a glycol ether. These two solvents should be in a ratio of short chain alkanol to hydrophobic solvent of 1.75: 1 to 0.5: 1. Furthermore, in the invention, the completed load of liquid detergent on the wipe is less than 2.5: 1. It may be possible to use another water-soluble or dispersible organic solvent having a vapor pressure of at least 0.001 mm Hg at 25 ° C, such as selected from C _1-6 alkanols, C _1-6 diols, C _1-6 alkyl ethers of Alkylene glycols and polyalkylene glycols and mixtures thereof.

The C _2-4 alkanol may be selected from ethanol, n-propanol, isopropanol, the various positional isomers of butanol, and mixtures of the foregoing. However, it is most preferred to use isopropyl alcohol (also referred to as isopropanol) or 2-propanol (sometimes referred to hereinafter as "IPA").

The second important solvent is a more hydrophobic solvent, preferably an alkylene glycol ether solvent, in this invention. These may include, for example, monoalkylene glycol ethers, diethylene glycol monopropyl ethers, ethylene glycol mono-n-butyl ethers, propylene glycol monopropyl ethers and propylene glycol mono-n-butyl ethers, and polyalkylene glycol ethers such as diethylene glycol monoethyl or monopropyl or monobutyl tyl ethers, di- or tri-propylene glycol monoethyl or monoethyl or monopropyl or monobutyl ethers, etc., and mixtures thereof. In addition, acetate and propionate esters of glycol ethers can be used. The most preferred glycol ether is propylene glycol mono-n-butyl ether, Dowanol PnB, from Dow Chemical Company.

additional water solvent can in small quantities (0-1%) be included. These include isoparaffin hydrocarbons, solvent or mineral spirits, arylaromatics and terpenes, such as D-limonene, a. additional water-soluble solvent can in small quantities (0-1%) be included. These include pyrrolidones, such as N-methyl-2-pyrrolidone, N-octyl-2-pyrrolidone and N-dodecyl-2-pyrrolidone, a.

It is preferred, the total amount of solvent to preferably not more than 20%, and stronger preferably not more than 10%, of the detergent. A particularly preferred range is about 1-10%. These solvent amounts are generally effective as dispersing or solubilizing agents Quantities called. The solvents, especially the glycol ethers, are just as important as cleaning materials, helping to remove greasy or oily soils from the cleaned surfaces to solve. But the fleeting ones Solvent, like IPA, are necessary to leave the residue behind the cleaned surface to prevent.

In The experimental section below discusses the importance of the relationship between the short chain alkanol and the more hydrophobic solvent shown.

5. Co-surfactants

Even though the disclosed surfactant and the disclosed solvents of the invention can provide excellent cleaning performance, it can sometimes required be to add small amounts of co-surfactants to the formulations additional To get cleaning benefits. The surfactant can be used in conjunction with other nonionic or amphoteric surfactants or mixtures thereof, as known in the art, can be used. Such surfactants are e.g. in McCutcheon's Emulsifiers and Detergents (1997).

Illustrative Nonionic surfactants are the ethylene oxide and the mixed Ethylene oxide / propylene oxide adducts of alkylphenols, the ethylene oxide and the mixed ethylene oxide / propylene oxide adducts of long chain Alcohols or fatty acids, the mixed ethylene oxide / propylene oxide block copolymers, esters of fatty acids and hydrophilic alcohols such as sorbitan monooleate, alkanolamides and like.

Illustrative Amphoteric surfactants are those that are both acidic and basic Have groups in their structure, such as amino and carboxyl radicals, or Amino and sulfonic acid residues or amine oxides and the like. Suitable amphoteric surfactants include betaines, Sulfobetaines, imidazolines and the like.

The Levels of cosurfactants are generally slightly lower than the levels the primary Be surfactants with low residues. It is probably less preferred, others, either anionic or cationic surfactants due to their tendency to leave residues, include. However, a reasonable Formulation with other dispersing aids the use allow the latter surfactants.

6. Polymers

polymers can to the liquid Formulations added herein become. A list, maybe suitable polymers can be found in the co-pending application with the entry no. 09/448 703, filed November 24, 1999, by Malcolm A. Deleo et al., of general use herein. mixtures Any of the foregoing polymers may be possible or desired. The hydrophilic polymer or polymers are in a level of about 0.001 to 5%, stronger preferably about 0.001 to 1% of the liquid detergent present.

7. Chelating medium

The chelating agent may also be an important part of the invention. Chelants useful herein include various alkali metal, ammonium and substituted ammonium polyacetates, carboxylates, polycarboxylates and polyhydroxysulfonates. Non-limiting examples of polyacetate and polycarboxylate builders include the sodium, potassium, lithium, ammonium and substituted ammonium salts of ethylenediaminetetraacetic acid, ethylenediaminetriacetic acid, ethylenediaminetetrapropionic acid, diethylenetriaminepentaacetic acid, nitrilotriacetic acid, oxydisuccinic acid, iminodisuccinic acid, mellitic acid, polyacrylic acid or polymethacrylic acid and copolymers , Benzene polycarboxylic acids, gluconic acid, sulfamic acid, oxalic acid, phosphoric acid, phosphonic acid, organic phosphonic acids, acetic acid and citric acid. These chelating agents may also be present partially or completely in the hydrogen ion form, eg, citric acid or disodium dihydrogenethylenediaminetetraacetate, depending on the pH of the liquid formulation. The substituted ammonium salts include those of methylamine, dimethylamine, butylamine, butylenediamine, propylamine, triethylamine, trimethylamine, monoethanolamine, diethanolamine, triethanolamine, isopropanolamine and propanolamine. Most preferred is monoethanolamine.

Other chelating agents, and depending on the desired pH of the formulation (see below), are mono-, di-, tri- and tetrapotassium and ammonium salts of ethylenediaminetetraacetic acid. See, eg, Robbins et al., U.S. Patents 6,242,401, 6,159,916, 6,214,784, 5,972,876, Chang et al., U.S. Patent 5,948,742, Ochomogo et al., U.S. Patent 5,948,741, and Mills et al. US 5,814,591 ,

The Amount of added Chelating agent should be in the range of 0.001 to 2% by weight, more preferred 0.001 to 2 wt .-%, of the cleaning agent.

8. Water

There the detergent is an aqueous Detergent with relatively low levels of active ingredients (actives), the main ingredient is water, which is in one level of at least about 70%, more preferably at least 80%, and the strongest preferably about 90%, should be present.

distilled, Deionized or industrial soft water is preferred, so that it does not create a backlog contributes and the entry of unwanted Metal ions is avoided.

9. Different additions

Buffer- and pH adjusting agents can desirable Be components. These would tiny amounts of inorganic agents, such as alkali metal and Alkaline earth metal salts of silicate, metasilicate, borate, carbonate, Carbamate, phosphate, ammonia and hydroxide. organic Buffering agents, such as monoethanolamine, monopropanolamine, diethanolamine, Dipropanolamine, triethanolamine and 2-amino-2-methylpropanol also desirable.

little one Quantities of additives can added be to the aesthetic To improve properties of the invention. Aesthetic additives close scent or perfumes, like those made by Givaudan Pipes, International Flavors and Fragrances, Quest, Sozio, Firmenich, Dragoco, Norda, Bush Boake and Allen and available to others are, and dyes and dyes, which can be solubilized or dispersed in the formulation. Other solubilization materials, such as hydrotropes (e.g., water-soluble salts of organic acids with low molecular weights, such as the sodium or potassium salts of xylenesulfonic acid), can also desirable be. additions close for cleaning additional Surfactants, such as those described in Kirk-Othmer, Encyclopedia of Chemical Technologist, 3rd ed., Vol. 22, pp. 332-432 (Marcel Dekker, 1983), and McCutcheon's Soaps and Detergents (N. Amer., 1984). dyes or colorants, which can be solubilized or suspended in the formulation, such as Diaminoanthraquinones, can be added although it is cautioned that, leaving behind a slight or no residue An object of the invention is to use only small amounts should. Thickeners, such as polyacrylic acid, xanthan gum, alginates, Guar gum, methyl, ethyl and propylhydroxycelluloses and the like, can desired Although the use of such polymers of the previously mentioned under 6 above hydrophilic polymers should be distinguished. Defoamer, like, without limitation, Silicones, aminosilicones, silicone mixtures, silicone / hydrocarbon mixtures and the like, by Dow Corning, Wacker, Witco, Ross and Hercules available are.

The Quantities of this aesthetic additions should be in the range of 0-2%, stronger preferably 0-1%, be.

Other various additives known in the art for detergent compositions may be added as long as they are not used in levels containing unacceptable fleets cause filming.

In addition, since the surfactants in liquid systems are sometimes the target of attack by microorganisms, it may be advantageous to add a mildewstat or a bacteriostatic agent. Exemplary antifungal agents (including non-isothiazolone compounds) include Kathon GC, a 5-chloro-2-methyl-4-isothiazolin-3-one, Kathon ICP, a 2-methyl-4-isothiazolin-3 and a mixture thereof, and Kathon 886, a 5-chloro-2-methyl-4-isothiazolin-3-one, all available from Rhom and Haas Company, Bronopol, a 2-bromo-2-nitropropane-1,3 -diol, from Boots Company Ltd .; Proxel CRL, a propyl p-hydroxybenzoate, from ICI PLC; Nipasol M, an o-phenylphenol Na ⁺ salt, from Nipa Laboratories Ltd .; Dowicide A, a 1,2-benzoisothiazolin-3-one, from Dow Chemical Co .; and Irgasan DP 200, a 2,4,4'-trichloro-2-hydroxy diphenyl ether, from Ciba-Geigy AG. See also Lewis et al. US 4,252,694 and US 4,105,431 , Other suitable preservatives include methyl, ethyl and propyl parabens, short chain organic acids (such as acetic, lactic, and glycolic acids), bisguanidine compounds (eg, Dantagard or Glydant), and the lower-chain alkanols mentioned in 3 above may be bifunctional have two functions and also serve as preservatives, such as IPA.

EXPERIMENTAL

In the following experiments, an inventive liquid base cleaner for impregnating wipes was established. The formulation of the liquid detergent was: TABLE I

• ¹ C _2-4 alkanol solvent
• ² More hydrophobic solvents: Dowanol PnB - propylene glycol n-butyl ether (Dow Chemical Company)
• ³ Alkyldiphenyloxide disulfonate (Dow Chemical)
• ⁴ buffers / solvents

The liquid Detergent from Table I is then repeated by varying of the relationship of the short chain alkanol to the more hydrophobic solvent (Glycol ether), then in different loadings the wipes placed, which are then referred to as wet wipes. Wipes are typically fibrous sheet materials as in 1 substrate above described, prepared. Examples of substrates that make up the wipes are made close one:

TABLE II

Examples 1-8: Evaporation times on mirror tiles

In this test, the filming / streaking performance of wipes, as described in Table II, to which was added a certain amount of the liquid detergent described in Table I, was typically in an amount that was 100% of the weight of a wipe Grams / gram-based exceeded - tested at various ratios of C _2-4 alkanol to the more hydrophobic solvent and compared against current commercial formulations. The test surfaces were glass mirror tiles at various temperatures (35 ° F or 16.6 ° C, 70 ° F or 21 ° C, 100 ° F or 37.7 ° C) wiped with 3 strokes back and forth in a similar manner and the evaporation times were measured. Unexpectedly, rapid evaporation times, especially at 35 ° F, were an indicator of good filming / filming performance. The results are shown in Table III:

TABLE III

• ¹ recipe matrix: 0.05% Dowfax 2A1, 0.05% MEA, IPA, PnB, 0.02% perfume, water
• ² ZA = Dexter ZA 0155; 8589 = Dexter 8589
• ³ load: x2 = twice the weight of the wipe; x2.5 = 2.5 times the weight of the weight
• ⁴ Currently = commercially available formulation containing: 3.97% propylene glycol t-butyl ether, 0.1% Hexyloxyethanol, 1.88% IPA, 0.08% Na lauryl sarcosinate (about 0.47: 1 ratio of short chain alkanol to more hydrophobic)

The data of Table III show the surprisingly improved performance wherein the inventive ratio of C _2-4 alcohol to hydrophobic solvent is from 1.75: 1 to 0.5: 1, and wherein the loading of liquid detergent on the wipe is less than 2.5: 1 is.

In the next Set of examples became the actual striping / filming performance after cleaning or removing any artificial pollution from tested the mirrors.

A panel study was coordinated with 26 panelists to assess the banding caused by wiping off the soiled mirrors. A car soil (talc, airborne dirt, triethanolamine, soot) was developed and 0.2 g of the soil was sprayed onto clean mirrors. A pre-moistened wipe wrapped over a fixed weight was wiped 10 times in a circular motion over the soiled mirror, which was allowed to dry and visually evaluated. The controls were Clorox ^® disinfecting wipes (most streaking; most likely due to the presence of a germicidal agent in the formulation), and Windex, sprayed and polished with Kim-Wipe ^® (least streaking). This latter control sets a particularly tough standard as it compares the performance of a spray cleaner with a dry, clean cloth with repeated wiping (of course, this control is very different and not as convenient to use as a premoistened wipe). The test products and scores on a scale of 1-10 (higher scores are desirable) are listed below in TABLE IV.

TABLE IV

• ^* CDW and Windex (polished) were used as test mirrors to test the panelists' ability to visually score.
• ^** Currently the currently marketed glass cleaning wiper.
• 
  012-AA is the new inventive formulation with 2% IPA, 3.4% PnB and the formulation described in Table III, footnote 1 above.

The data in Table IV show the superior streaking / filming performance of the inventive wipes wherein the ratio of C _2-4 alkanol to hydrophobic solvent is from 1.75: 1 to 0.5: 1, and wherein the liquid detergent loading is on the wipe is less than 2.5: 1.

Examples 14-20 (streaking / filming)

The next set of examples further confirms the use of the evaporation rate at lower temperatures as indicating good stripping / filming performance, as well as confirming the need to maintain a detergent / wipe load of less than 2.5: 1. In this study, a larger panel of panelists evaluated the filming / streaking caused by wiping on soiled mirrors. Car dirt (talc, airborne soil, triethanolamine, carbon black) was developed and a small amount (less than 0.5 g) was sprayed onto clean mirrors. A pre-moistened wipe (containing the liquid cleaners shown in Table V) was used to wipe the mirror 10 times in a circular motion which had been allowed to dry and visually through the panelists on a scale of 1-10 (where score was 10 "). least polluted "means and a score of 1 means" most filming / banding "). The controls and were Clorox ^® disinfecting wipes ( "CDW" most streaking) Windex ^® cleaning products, once sprayed / polished with a Bounty ^® paper towel (least streaking; it is again observed that this clean the performance of a Sprühreinigungsmittels with a dry, Cloth, with repeated wiping, compares, so this control is very different from it and not as convenient to use as a pre-moistened cloth). The test products and scores on a 1-10 scale are listed in Table V below.

TABLE V

• ¹ CDW and Windex (polished) were used as test mirrors to test the panelists' ability to visually score.
• ² Currently, the currently marketed glass cleaning wipe; 4459 = Dexter 4459.
• ³ These formulations contain 0.02% perfume.
• ⁴ These formulations contain 0.03% perfume.

The Review of the above examples in Table V leads to the conclusions, that the evaporation rate at low temperatures (The invention is underlined) with excellent streaking / filming performance correlates while a loading ratio from 2 (detergent to substrate) regardless of the substrate a superior Provides S / F performance.

Claims (10)

A cleaning wipe having enhanced streaking / filming performance, characterized by comprising: (a) a wipe preferably comprising at least one layer of a nonwoven material; (b) a liquid detergent comprising: (i) an alkali metal alkyl diphenyloxide disulfonate surfactant (ii) a C ₂ -C ₄ alkanol and a more hydrophobic solvent; and (iii) the remainder, water; wherein the wipe is used to clean surfaces without rinsing, streaking or filming, and the ratio of C ₂ -C ₄ alkanol to hydrophobic solvent is from 1.75: 1 to 0.5: 1 and the loading is liquid Cleaner on the cleaning cloth is less than 2.5: 1. The wipe of claim 1, wherein the surfactant is 0.001 to 6 of the liquid Cleaning agent is. Wipe according to claim 1 or 2, wherein the total amount on solvent (s) not more than 20% of the liquid Cleaning agent is. A wipe according to any one of claims 1 to 3, wherein the more hydrophobic solvent is a glycol ether. A wipe according to any one of claims 1 to 4, wherein it further at least one additive selected from additional surfactants, co-surfactants, chelating agents, buffers, thickeners, dyes, colorants, Biocides, perfumes, defoamers and mixtures thereof. A method of cleaning a surface, characterized by comprising: contacting the surface with a wipe impregnated with a liquid detergent, comprising: (i) an alkali metal alkyl diphenyloxide disulfonate surfactant; (ii) a C ₂ -C ₄ alkanol and a more hydrophobic solvent; and (iii) the remainder, water; wherein the wipe is used to clean surfaces without rinsing, streaking or filming, and the ratio of C ₂ -C ₄ alkanol to hydrophobic solvent is from 1.75: 1 to 0.5: 1 and the loading is liquid Cleaner on the cleaning cloth is less than 2.5: 1. A cleaning wiper dispenser characterized by comprising a container having a plurality of wipes therein, wherein the wipes have been treated with a liquid detergent comprising: (i) an alkali metal diphenyl oxide disulfonate surfactant (ii) a C ₂ -C ₄ alkanol and a more hydrophobic solvent; and (iii) the remainder, water; wherein the wipe is used to clean surfaces without rinsing, streaking or filming, and the ratio of C ₂ -C ₄ alkanol to hydrophobic solvent is from 1.75: 1 to 0.5: 1 and the loading is liquid Cleaner on the cleaning cloth is less than 2.5: 1. A dispenser according to claim 7, wherein the plurality of wipes comprises a continuous web of a nonwoven material. A dispenser according to claim 8, wherein it further comprises means for resizing of a single wipe from the continuous web. The dispenser of claim 7, wherein the plurality of wipes a row of single leaves of nonwoven material.