CN103189491A

CN103189491A - Cleaning agent having a urea content

Info

Publication number: CN103189491A
Application number: CN2011800526172A
Authority: CN
Inventors: 曼弗雷德·哈克; 克劳斯·贝克
Original assignee: BBT BERGEDORFER BIOTECH GmbH
Current assignee: BBT BERGEDORFER BIOTECH GmbH
Priority date: 2010-09-17
Filing date: 2011-09-16
Publication date: 2013-07-03
Anticipated expiration: 2031-09-16
Also published as: SG188557A1; MY160888A; AU2011303840B2; NZ608010A; CN103189491B; AU2011303840A1; KR101890290B1; KR20130129365A; HK1183056A1; WO2012035156A1

Abstract

The invention relates to a cleaning agent for cleaning surfaces of vehicles of all types, large outdoor surface areas, in particular of buildings, plants in the food, beverage, tobacco and alcohol industries, in particular milking installations, and plants and equipment having metal, ceramic and/or plastic surfaces. Said cleaning agent contains (a) 10 to 90% of urea, (b) 5 to 70% by weight of one or more electrolytes, (c) 0.1 to 35% by weight of one or more surfactants, and (d) 0.01 to 20% by weight of one or more complexing agents. Said cleaning agent is environmentally friendly and cost-effective, extremely effective and advantageously allows the quantities of enzymes and bleaching agents used in conventional cleaning agents to be reduced. The cleaning agent contains in particular only biodegradable and/or biorenewable substances.

Description

Clean-out system with urea composition

The present invention relates to a kind of clean-out system, be used for cleaning the surface of all types of vehicles, big outside surface, particularly buildings, facility in food and tobacco and the alcohol industry, particularly milk and equip or milking plant, and the facilities and equipment with metal, pottery and/or frosting.In addition, it also relates to the different optimization of above-mentioned application.Therefore, this reagent also is suitable for the equipment in the food-processing industry and medical treatment device are cleaned, clean and/or sterilizes.In addition, clean-out system of the present invention can be used for cleaning the facility/milking unit of milking, and is used for cleaning big surface (for example surface on buildings or floor), is used for cleaning the vehicles (for example automobile) or is used for denture care.

Closed system should be understood that to mean during operation the equipment of isolating fully with their environment, for example dishwasher, washing machine etc. according to the present invention; Or entering the equipment that hermetic seals with environment before the operation and only when entering operation, open, for example be used for the equipment of food-processing or alternately be medical equipment, for example be used for the irrigation instrument, dialysis machine, the heart/lung machine, endoscope of Operation theatre and dental chair and similar medical equipment.In the system that mentions at first, this clean-out system circulates during operation; And in the system that in the end mentions, this system washes with this clean-out system.At this, this clean-out system not only is used as and cleans purpose, and is used for cleaning and/or randomly is used for sterilizing.

The clean-out system that is used for closed system, for example dish washing detergent, laundry detergent, with hand irrigation and sanitary cleaning agent, be for the reagent of each family almost.Modern dish washing detergent, for example those washing composition of describing in WO2007/141257 typically comprise tensio-active agent, synergistic agent, SYNTHETIC OPTICAL WHITNER and enzyme as main component.

Enzyme be can certain chemical reaction of catalysis molecule, particularly protein.Enzyme plays a kind of important effect in the metabolism of all Living organisms; Their catalysis and control a plurality of biochemical reactions, for example genetic information copies (archaeal dna polymerase) or transcribes (RNA polymerase).For instance, proteolytic enzyme, amylase, catalase, peroxidase, cellulase and/or lipase are the enzymes that is used as in the use in dishwasher washing composition.It is preferred using proteolytic enzyme and amylase.

Compare with other components of the modern clean-out system, use in dishwasher washing composition or the sanitary cleaning agent that are used for closed system, enzyme is relatively costly.Though used expensive enzyme, the cleanup action of modern clean-out system (as the use in dishwasher washing composition) often only can't be satisfactory.In addition, the use of enzyme often is accompanied by shortcoming, and for example this use in dishwasher sanitising agent only just can be used in a certain temperature and pH scope; And stability problem can appear, particularly about storing relatively for a long time.At last,, it seems from the viewpoint of environment so that it is problematic if the enzyme of uncontrolled amount enters in the waste water.In addition, working with enzyme in the manufacturing that contains enzyme product or use is not to be not in-problem (for example irritated potentiality).

Therefore, the objective of the invention is to overcome shortcoming explained above, be operational in order to make following clean-out system particularly, this clean-out system is that environmental friendliness and surface are friendly in different use possibilities, and (neutral, alkaline, acidity) is desirably effective in wide pH scope.It seems that from the viewpoint of environment and cost this clean-out system should be reached under the phosphate builder of not having habitual contaminate environment, and advantageously reduce the enzyme that adopts and the amount of SYNTHETIC OPTICAL WHITNER, and these enzymes and SYNTHETIC OPTICAL WHITNER are customarily used in the conventional clean-out system.It should make preferably only uses biodegradable and/or biological reproducible material, particularly only uses according to the test of EN ISO14593:199(head space) be that degradable those materials are possible.

Clean-out system (A) reached generally the present invention based on purpose, be used for cleaning the surface of all types of vehicles, big outside surface, buildings particularly, facility in food and tobacco and the alcohol industry, the equipment of particularly milking, and has a metal, the facilities and equipment of pottery and/or frosting, this clean-out system comprises the urea of (a) 10% to 90%, (b) one or more ionogen of 5% to 70% by weight, (c) one or more tensio-active agents of 0.1% to 35% and (d) one or more complexing agents of 0.01% to 20% by weight by weight.

This clean-out system (A) can come advantageously to optimize especially in the following manner: it is therefore preferable that it comprises by weight 10% to 70%, particularly 20% to 60% urea by weight.In addition, the suitable form with an alkali metal salt and/or alkaline earth salt of ionogen exists, particularly with the form of sodium salt.The complexing agent that is taken into account according to the present invention preferably exists with the form of Citrate trianion, nitrilotriacetic acid(NTA) salt (NTA), ethylene diamine triacetate (TED), edetate (EDTA), methylglycine acetate (MGDA), particularly with the form of sodium salt.

Hereinafter describe the different favourable optimization of this clean-out system (A), comprise being according to the advantageous embodiments of clean-out system of the present invention (B) to this clean-out system (A) of (H) form.In addition, specific favourable optimization is refered in particular to corresponding clean-out system (B) to (H).After the explanation of clean-out system (H), what see is different details according to the advantageous embodiments of all clean-out systems of the present invention.Based on the application target of clean-out system correspondence, those of ordinary skill in the art will consider particularly advantageous optimization feature.

One of clean-out system (A) special optimizes also in its favourable and described embodiment, be proved to be in clean-out system (B), be used for cleaning the surface of and the following: all types of Motor vehicles, particularly heavy goods vehicle, motorbus, automobile, motorcycle, bike, tractor, ship, aircraft, particularly have based on metal and/or plastics, at this particularly based on these of surface of paint, it comprises a kind of thickening material in addition, particularly with the form of carboxymethyl cellulose, preferably with from 0.001% to 3% amount by weight.The amount of thickening material preferably by weight 0.001% to 1%.Remember that metal, particularly metallic surface also will be cleaned, under the situation of clean-out system (B), particularly advantageously be that it comprises inhibitor, particularly with a kind of form of phosphonate.This inhibitor preferably exists with from 0.1% to 5% amount by weight.If this clean-out system (B) comprises nursing agent, particularly with organosilicon and/or wax emulsion form, this is particularly advantageous so.In addition, advantageously abrasive, particularly be included in this clean-out system (B) with the silicon-dioxide form, particularly with from 0.001% to 1% amount by weight.It should be noted at this, can certainly be used to the favourable optimization of clean-out system described above (A) in conjunction with the described favourable feature of this clean-out system (B).

A special embodiment according to clean-out system of the present invention (A) is clean-out system (C), is used for cleaning all types of outside surfaces, particularly floor surface, roof, wall surface, passageway and balcony surface and solar panels surface etc.It is characterized in that it comprises decalcifying agent and/or microbicide, particularly at algae, mosses, Mycophyta and/or lichens.Under the situation of clean-out system (C), preferably, it comprises decalcifying agent, particularly with the form of thionamic acid and/or citric acid.The amount of decalcifying agent is preferably about 1% to 20% by weight, and particularly by weight about 5% to 15%.At this preferred silicon-dioxide as a kind of abrasive.This abrasive preferably exists with from 0.1% to 5% amount by weight.The amount of silicon-dioxide suits by weight between 0.1% and 3%.As those of ordinary skill in the art as can be seen, the preferred embodiment at this clean-out system of speaking of (C) is equally applicable to generally as clean-out system (A) and possible advantageous embodiment (B).

Particularly advantageous embodiment according to clean-out system of the present invention (A) proves in clean-out system (D), it is characterized in that handling all types of metallic surfaces, particularly iron, stainless steel, aluminium, magnesium, titanium, copper, zinc, one-tin brass or the surface of chromium plating, under equipment and the situation of surgical device are milked in processing, it comprises corrosion inhibitor, particularly with a kind of form of phosphonate.At this usually preferably, it is with from 0.1% to 5% amount by weight, particularly comprise corrosion inhibitor with from 0.3% to 3% amount by weight.In addition, preferably, if under the situation that alkalescence is used, have SYNTHETIC OPTICAL WHITNER so, particularly with a kind of form of crossing compound.At this preferably, this crosses compound is that form with a kind of persulphate and/or percarbonate exists, and particularly with the form of sodium salt, this is particularly with from 0.1% to 5% amount by weight.From 0.1% to 3% scope is particularly preferred by weight.Under the situation of clean-out system (D), preferably in order to regulate the desirable effect of SYNTHETIC OPTICAL WHITNER, adopt a kind of suitable activator in addition, particularly with the form of tetraacetyl ethylene diamine (TAED).In addition, for degradation of organic substances matter, preferably merge enzyme, particularly with from 0.1% to 5% amount by weight, from 0.3% to 3% scope is particularly preferred by weight.Clean-out system (D) uses appropriate to the occasion citric acid and/or the thionamic acid of comprising in acidic medium.

A kind of other preferred clean-out system of (A) will refer in particular to clean-out system (E) at this according to the present invention.This clean-out system is used for ceramic surface and/or the frosting of denture care, it is characterized in that it comprises acid, citric acid and be used for the alkali metal hydrocarbonate that gas is overflowed particularly, particularly with from 1% to 10% amount by weight, these surfaces of artificial tooth particularly based on: plastics, the bridge work that is made of metal, based on pottery, based on VMC(sintering metal veneer) and based on the structure of zirconium dioxide as full porcelain crown and full porcelain bridge work.

Clean-out system (E) preferably comprises SYNTHETIC OPTICAL WHITNER, particularly with a kind of form of crossing compound, this particularly with a kind of relevant activator together.This crosses preferably a kind of percarbonate of compound, particularly with the form of sodium salt.At last, (E) should comprise a kind of stablizer according to clean-out system of the present invention, and particularly with a kind of form of sugar alcohol, this is particularly with the form of Sorbitol Powder.If it comprises a kind of biocide, particularly have at budding fungus, streptococcus, Escherichia and at the effect of pseudomonas and Legionella, will be favourable so.

In addition, advantage according to clean-out system of the present invention (A) also proves in clean-out system (F), it is used to handle galley equipment or kitchen machine, particularly the milk bottle warmer of coffee machine, hot water boiler, poacher, baby bottles and baby bottles and baby's jar combine other clean-out systems according to the present invention more than it also might be realized at this and are emphasized to be favourable feature.

At last, the present invention has provided another kind of clean-out system (G), and it is particularly conducive to the surface of the surface of handling surgical device and the equipment of milking.At this, there is pending surface mainly to have metalline, particularly based on iron, stainless steel, aluminium, magnesium, titanium, copper, zinc, one-tin brass; And integral type seal assembly, particularly plastics, or the display device of the integral type of plastics or extraordinary mirror.

As described above according to clean-out system of the present invention (A) to G) and can be solid form or be liquid form according to following clean-out system of the present invention (H) and exist.In liquid form, the quantitative and qualitative details of specification sheets of the present invention and claims are specialized.Aptly, it at first exists with solid form.At this preferably, it particularly exists with a kind of form of powder with the form of particle.If it exists with the form of pressed article or tablet or is filled in the pouch, will be particularly preferred.With this form, it be directed in the multiple use field.The situation that depends on application may preferably prepare solution from clean-out system according to the present invention, and this is especially in water.Under independent situation, if fully take into account basic goal of the present invention, particularly environment protection thus, so preferably except water, use a kind of organic solvent that can be miscible with water.

In realizing process of the present invention, it is particularly advantageous that a kind of clean-out system also has been proved to be, it is comprised in the cover group, and under the situation of this cover group, in use or summarize more than before using, setting at first spaced apart with other compositions of this clean-out system according to these framework conditions, particularly urea of the present invention.

A key character of the present invention is to use a large amount of urea (urea).Under the situation according to clean-out system of the present invention, draw from the character of urea with the favourable result of the favourable combination of additional features.Get back to urea (urea):

It is a kind of neutral very easily water-soluble nontoxic product of smelling that do not have, it as the final product of nitrogen metabolism with every day the amount from 20 to 30g by body discharges, and be considered to one of the most eco-friendly material of occurring in nature.It can be broken down into its component NH by chemical degradation at this ₃And CO ₂It seems that from this viewpoint urea-it is at the diamide that chemically is counted as carbonic acid-can be counted as two kinds of gaseous state composition NH ₃And CO ₂The combining form of (with the ratio of 2:1), accordingly, it is because purposes in fertilizer and synthetic resins field and in industrial scale operation.Therefore, than environmental pollution serious based on phosphatic clean-out system, in clean-out system, use urea to produce a kind of material balance of unanimity of noresidue according to the present invention, this has made one to environment protection is not inappreciable contribution.

The present invention also is particularly related to a kind of clean-out system (H), comprises

(a) 5% to 99.9% urea and/or one or more its derivatives by weight;

(b) a kind of ionogen of 0.1% to 90% or multiple ionogen by weight;

(c) a kind of tensio-active agent of maximum 40% or kinds of surface promoting agent by weight;

(d) maximum 10% a kind of enzyme or plurality of enzymes by weight, and

(e) a kind of complexing agent of maximum 20% or multiple complexing agent by weight, wherein, in order to reach the desirable effect according to the present invention in independent Application Areas, one or more features and/or the feature of refering in particular in context are used to optimize the present invention.

Gross weight based on composition, composition according to the present invention comprises by weight 5% to 99.9%, preferably by weight 10% to 95%, more preferably by weight 10% to 90%(for example by weight 10% to 70%), even more preferably by weight 20% to 80%, particularly preferably by weight 25% to 75%, very particularly preferably by weight 20% to 70% and 20% to 60% urea (urea) and/or its a kind of derivative or one or more derivatives especially by weight.

The clean-out system of equipment of being used for milking preferably comprises by weight 10% to 80%, and preferably by weight 10% to 70%, more preferably by weight 15% to 65%.

The clean-out system that is used for the vehicles preferably comprises by weight 10% to 80%, and preferably by weight 10% to 70%, more preferably by weight 15% to 65%.

Can be used to for example closed system according to clean-out system of the present invention.Under the situation of suitable urea metering, it also can be used as a kind of reagent that cleans, cleans and/or sterilize for equipment and medical equipment to foodstuffs industry.

Except urea, can also comprise a kind of tensio-active agent or kinds of surface promoting agent according to composition of the present invention, as for example anionic, non-ionic type, cationic and/or amphoterics.Similarly, any desirable mixture of illustrated all surface promoting agent below all is possible.

Gross weight based on reagent, clean-out system according to the present invention comprises by weight at most 40%(for example by weight maximum 10%), preferably by weight 0.01% to 40%, more preferably by weight 0.1% to 30%, even more preferably by weight 0.5% to 30%, very particularly preferably by weight 1% to 30%(for example by weight 0.1% to 20%) one or more tensio-active agents.

In general, aniorfic surfactant refers in particular to these tensio-active agents with an electronegative functional group.Aniorfic surfactant typically has a polarity and a nonpolar part.A C ₆-C ₃₀Alkyl preferably serves as this nonpolar part.This polar functional group preferably-COO ^-(carboxylate radical) ,-SO ₃ ^-(sulfonate radical) or-O-SO ₃ ³(sulfate radical).

Its corresponding example is:

Formula R-COO ^-Na ⁺The alkyl carboxylate, R is one and has 6 to 30, preferably the organic group of 8 to 16 carbon atoms;

Formula C _nH _2n+1-C ₆H ₄-SO ₃ ^-Na ⁺Alkylbenzene sulfonate (ABS), n is 6 to 30, preferably 8 to 16, (for example Sodium dodecylbenzene sulfonate);

Formula C _nH _2n+1-SO ₃ ^-Na ⁺Secondary alkyl sulfonate (SAS), n is 6 to 30, preferably 8 to 6; And

Formula H ₃C-(CH ₂) _n-CH ₂-O-SO ₃ ^-Na ⁺Aliphatic alcohol sulfate (FAS), n is 6 to 30, preferably 8 to 16, (for example Sodium Lauryl Sulphate BP/USP).

The other example of aniorfic surfactant be with the Lutensit title (manufacturers: the tensio-active agent of Chu Shouing BASF (BASF)), as for example Lutensit AS2230.

At this suitable sulfonate surfactant C preferably _9-15Alkylbenzene sulfonate and alkene-sulfonate.Same suitable is from C _12-20Alkane, for example by chlorosulphonation or sulfoxidation, and the alkylsulfonate that obtains of hydrolysis subsequently or neutralization.In addition, the ester of alpha-sulfo-fatty acid (sulfonated ester), for example α-the sulfonated formate of the lipid acid of hydrogenated coconut, palm-kernel or Tallow, beef also is suitable.A concrete example is for example Ufaryl DL90C of Ufaryl(), a kind of alkylbenzene sulfonate.

Suitable in addition aniorfic surfactant is the glycerin fatty acid ester of sulfonation.Glycerin fatty acid ester is understood that to mean monoesters, diester and three esters and their mixture.Be the sulfonated products of saturated fatty acid with 6 to 22 carbon atoms (for example caproic acid, sad, tetradecanoic acid, palmitinic acid, stearic acid Huo docosoic) at the glycerin fatty acid ester of this preferred sulfonation.

The classification that another classification of aniorfic surfactant is made up of the ether carboxylic acid, these ether carboxylic acids can obtain by the reaction of fatty alcohol ethoxylate and sodium chloroacetate in the presence of basic catalyst.Suitable aniorfic surfactant also is the partial ester of the ene adducts of dihydroxy alkane or polyhydroxyalkanes, monose and disaccharides, polyoxyethylene glycol and MALEIC ANHYDRIDE and single at least unsaturated carboxylic acid in addition, and these single unsaturated carboxylic acids have the chain length of 10 to 25 carbon atoms and preferably have an acid number of 15 to 130.Alternately spendable aniorfic surfactant is sulfosuccinate, sulphosuccinamate and sulfo group-succinic diamide, particularly sulfosuccinate and sulphosuccinamate, extremely preferably sulfo group-succinate.

In a preferred embodiment, gross weight based on reagent, clean-out system according to the present invention comprises by weight 0.01% to 20%, more preferably by weight 0.1% to 10%, even more preferably 0.5% to 5, particularly preferably 1 to 4,1.5% to 3% nonionic surface active agent by weight particularly.

Nonionic surface active agent refers in particular to these tensio-active agents that does not comprise separable functional group basically and therefore can not split into ion in water traditionally.The same with all surface promoting agent, these nonionic surface active agent also are partly to be made of a nonpolar and polarity.As this nonpolar part, these nonionic surface active agent preferably comprise a kind of Fatty Alcohol(C12-C14 and C12-C18) (C for example ₁₂-C ₁₈) or for example octyl group or nonylphenol group.As this polarity part, these nonionic surface active agent preferably comprise hydroxyl or ether.

The example of nonionic surface active agent is:

Polyalkylene glycol ethers;

Fatty alcohol ethoxylate (FAEO), particularly formula CH ₃-(CH ₂) _10-16-(O-C ₂H ₄) _1-25The fatty alcohol ethoxylate of-OH;

Fatty Alcohol(C12-C14 and C12-C18) propoxylated glycerine (FAPO), particularly formula CH ₃-(CH ₂) _10-16-(O-C ₃H ₆) _1-25The Fatty Alcohol(C12-C14 and C12-C18) propoxylated glycerine of-OH-

Alkyl glycoside;

APG (AFG), particularly formula CH ₃-(CH ₂( _10-16-(O-glycosides) _1-3The APG of-OH;

Octyl phenol ethoxylate, particularly formula C ₈H ₁₇-(C _6-H ₄)-(O-C ₂H ₄) _1-25The octyl phenol ethoxylate of-OH, and/or

Nonyl phenol ethoxylate, particularly formula C ₉H ₁₉-(C ₆H ₄)-(O-C ₂H ₄) _1-25The nonyl phenol ethoxylate of-OH.

Cationic surfactant refers in particular to the tensio-active agent that has a positively charged functional group for these.Preferably, they are formula R _1aR _2aR _3aR _4aN ⁺X ^-Quaternary ammonium compound, R _1aTo R _4aBe an organic group with 4 to 20 carbon atoms, preferably hard ester acyl group, palmitoyl, methyl, benzyl or a butyl, and X is a counterion, preferably a kind of halogen ion.

Amphoterics refers in particular to the tensio-active agent that has the positively charged functional group of an electronegative functional group and for these concurrently.An alkyl preferably serves as a nonpolar part, a carboxylate groups (R-COO ^-) and a quaternary ammonium group preferably as a polarity part.

Preferred surfactants is low bubble or the solid surfactant of non-ionic type in addition, they are for example with trade mark Genapol(Genapol EP2584 for example), Lutensol(Lutensol AT25 for example) and Plurafac(Plurafac LF901 for example) sell, and belong to the classification of being formed by alkyl polyglycol ether or fatty alcohol ethoxylate.

In a preferred embodiment, gross weight based on clean-out system, clean-out system according to the present invention comprises by weight maximum 20%, preferably by weight 0.01% to 20%, more preferably by weight 0.5% to 20%, even more preferably by weight 0.5% to 15%, particularly preferably a kind of complexing agent of 0.2% to 15% or multiple complexing agent by weight.

It is the part that comprises two or more binding sites that complexing agent or complex compound form agent.They can form stable especially complex compound with the metal ion of multivalence thus.The example of complexing agent is nitrilotriacetic acid(NTA) salt (NTA), quadrol base triacetate (TED), edetate (EDTA), methylglycine diacetin or its salt (MGDA) (preferably its trisodium salt, for example TrilonM), oxalate, maleic acid salt, tartrate and/or Citrate trianion; Especially preferred is their sodium salt.Using under the situation of Citrate trianion/citric acid as ionogen (and/or pH regulator agent) equally, preferably above-mentioned complexing agent is to exist with given amount.

The other example of complexing agent is salt (the Sokalan PA30CL for example of polyacrylic acid and it, a kind of have a low-molecular-weight polyacrylic acid, it by neutralization fully for sodium salt) and natural polysaccharide alginates and its salt, and polyaspartic acid salts and its salt.

Most of such complexing agents often are to be that other additives of " synergistic agent " are summarized with Electrolyte type and general expression.

These often are water-soluble substances or non-water soluble substance, and for example aluminosilicate and zeolite can be used as synergistic agent especially.

The zeolite that is suitable as synergistic agent comprises for example zeolite A, X zeolite, zeolite Y and zeolite P.

Other suitable synergistic agent are polyacetal for example, and it can obtain by using the polyvalent alcohol carboxylic acid to transform dialdehyde, and the polyvalent alcohol carboxylic acid preferably comprises 5 to 7 C atoms and at least 3 hydroxyls.Preferred polyacetal be from dialdehyde (as oxalic dialdehyde, glutaraldehyde, terephthalaldehyde and their mixture) and obtain from poly carboxylic acid (for example gluconic acid and/or glucoheptonic acid).

Suitable in addition organic synergistic agent is dextrin, and it is oligomer or the polymkeric substance of carbohydrate, and it can obtain by the partial hydrolysis of starch.In addition, polyacrylic ester, pectate, alginates and polyaspartic acid salts also can be used as synergistic agent, and they also are counted as " complexing agent " in the context of the present invention.

Alternately, also can adopt based on phosphatic synergistic agent.Yet these buiders are because environment reason but not preferred.Example is tripoly phosphate sodium STPP, trisodium phosphate and sodium orthophosphate.Preferably, the not phosphorous hydrochlorate of this clean-out system or the phosphonate that only comprises a small amount of (for example by weight maximum 0.19%) are as a kind of corrosion inhibitor.

Above-mentioned complexing agent and following Electrolyte type composition can be counted as suitable synergistic agent, and they keep the cleaning effect that urea observes.

In a preferred embodiment, also comprise one or more stablizers according to clean-out system of the present invention.At this, help to dissolve and/or the component of disperseing is typically served as stablizer.Preferably, use polyvalent alcohol as stablizer.Polyvalent alcohol refers to comprise the material of two or more alcohol groups.The example of suitable stabilizers is ethylene glycol, propylene glycol, (particularly polyoxyethylene glycol (for example for poly-alkane glycol

), polypropylene glycol), glycerine, Sorbitol Powder, mannitol or their mixture.

Can comprise in addition with by weight from 0.01% to 20% according to clean-out system of the present invention, preferably a kind of stablizer of from 0.1% to 5% amount or multiple stablizer by weight, particularly when relate to be liquid form according to clean-out system of the present invention the time.

In the another one preferred embodiment, can comprise one or more antibacteriums and/or antifungal and/or antimicrobial additive in addition according to clean-out system of the present invention, namely particularly under a kind of situation of liquid preparation.

With by weight from 0.01% to 5%, preferably from 0.1% to 2% amount comprises by weight traditionally for this or these antibacteriums and/or antifungal and/or antimicrobial additive.The sanitas of permitting in food chemistry is for example sodium formiate, sodium sorbate or PHB ester.In addition, can use the suitable additive with an antimicrobial sphere of action.

Clean-out system of the present invention can comprise enzyme.Gross weight based on clean-out system, these enzymes are typically with maximum 10%(for example by weight 0.01% to 10% by weight), maximum 5%(for example by weight 0.01% to 5% by weight preferably), especially by weight 1% to 5%), more preferably by weight 0.1% to 3%, 0.5% to 2.5% amount comprises especially by weight.

The example of suitable enzyme is proteolytic enzyme, lipase, amylase and cellulase.Concrete example is at commercially available coating zymin, for example Savinase6.0T, Lipolase100T and Termamyl120T with solid form.

The other example of enzyme comprises:

-proteolytic enzyme, as

140(manufacturers: Henkel (Henkel));

4.0T, 6.0T, 8.0T(manufacturers: promise and (Novo)).

-amylase, as

60T, 90T,

(manufacturers: promise and);

(manufacturers: Su Wei enzyme (Solvay Enzymes)); Especially α-Dian Fenmei, as

Ultra,

-lipase, as

30T(manufacturers: promise and).

Except said components, can also comprise one or more spices according to clean-out system of the present invention.Spices is to have a kind of smell, preferably a kind of natural or synthetic of pleasant smell.The example of spices is:

Cyclohexa decen-7-olide, [α]-amyl cinnamic aldehyde, methyl allylphenol, aubepine, pmethoxybenzyl alcohol, phenylmethylether, methyl o-aminobenzoate, methyl phenyl ketone, benzyl acetone, phenyl aldehyde, ethyl benzoate, benzophenone, benzylalcohol, borneol, dl-Bornyl Acetate, [α]-bromstyrol, n-capric aldehyde,

Positive lauric aldehyde, oxymethoxyallylbenzene, methyl eugenol, eucalyptus alcohol, farnesol, fenchone, acetic acid turnip ester, meraneine, Geranyl Formate, piperonylaldehyde, the heptyne methyl-formiate, enanthaldehyde, hydroquinone dimethyl ether, the hydroxyl phenylacrolein, the hydroxyl styryl carbinol, indoles, iron, isoeugenol, methyl isoeugeno, isosafrole, Jasminum, camphor, isothymol, Karvon, p-cresyl methyl ether, tonka bean camphor, p-methoxy-acetophenone, methyl-n-amyl ketone, the methyl methyl o-aminobenzoate, p-methyl aceto phenone, estragole, p-methyl quinoline, methyl ss-naphthyl ketone, methyl n-nonyl acetaldehyde, methyl n nonyl ketone, muskone, the ss-naphthol ethyl ether, ss-naphthols methyl ether, vernol, oil of mirbane, n-nonyl aldehyde, nonyl alcohol, n-octaldehyde, parahydroxyacet-ophenone, thibetolide, the ss-phenylethyl alcohol, viridine, toluylic acid, pulegone, safrol, Salicylate Isomyl, wintergreen oil, n-Hexyl salicylate, the Whitfield's ointment cyclohexyl, santalol, skatole, terpinol, thymene, thymol, [γ]-11 carbon lactone, Vanillin, veratryl aldehyde, phenylacrolein, styryl carbinol, styracin, ethyl cinnamate, cinnamein, isothiocyanic acid alkane ester (alkyl tori seed oil), dimethyl diketone, limonene, Linaool, linalyl acetate and propionic acid agalloch eaglewood ester, menthol, piperitone, methyl nhepene ketone, phellandrene, phenylacetic aldehyde, tirpinyl acetate, citral and/or geranial.

Similarly, can use ether oil, as angelica root oil, olium anisi, the arnica montana caul-fat, basil oil, oreodaphene, champaca(flower) oil, oil of silver fir, noble fir oil, elemi oil, Oil of Eucalyptus, Sweet fennel oil, Pinus pumilio oil, galbanum oil, Oleum Pelargonii Graveolentis, giugergrass oil, guaiac wood oil, gurjun balsam oil, strawflower oil, shiu oil, ginger oil, orris oil, Oils,Melaleuca leucadendron, oil of Rhizoma Acori Graminei, chamomile oil, white oil of camphor, Kanagawn oil, Oils, Elettaria cardamomum, Oleum Cinnamomi, pine tar, [ι] copoiva oil, Fructus Coriandri oil, Oleum Menthae Rotundifoliae, caraway oil, cumin oil, oleum graminis citrati, musk seed oil, Myrrha, Syzygium aromaticum stem oil, orange flower oil, niaouli oil, olibanum oil, wild marjoram oil, rusa oil, patchouli oil, Peru balsam oil, petitgrain oil, pepper oil, pimento oil, pine tar, rose oil, rosemary oil, santal oil, Oils, Apium graveolens, star aniseed oil, thuja oil, thyme oil, verbena oil, oil of cuscus, juniper berry oil, wormwood oil, wintergreen oil, cananga oil, oil of hyssop, Oleum Cinnamomi, Cortex Cinnamomi leaf oil and/or Resina Cupressi.

Particularly preferably, use limonene terpene and/or sweet orange terpene as spices.

Based on the gross weight of clean-out system, spices is with from 0.01% to 3% amount by weight traditionally, preferably is used from 0.01% to 2% by weight.If desired, adopt the combination of two or more (for example 2 to 10 kinds) spices.

Except spices, can also comprise tinting material (for example kiwi fruit green or TAED green) according to clean-out system of the present invention.

If clean-out system of the present invention is to be liquid form, it can comprise water and/or one or more non-aqueous solvents so.

Suitable non-aqueous solvent for example is derived from group down, and it consists of one or polyhydroxy-alcohol, alkanolamine or glycol ether, supposes that they and water can be miscible.Preferably, these solvents are to be selected from ethanol, just or Virahol, butanols, ethylene glycol, third or butyleneglycol, glycerine, glycol ether, propyl group or butyldiglycol, hexylene glycol, ethylene glycol monomethyl ether, ethylene glycol ethyl ether, glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol dimethyl ether, diethylene glycol ether, propylene glycol monomethyl ether, propylene-glycol ethyl ether or propylene glycol propyl ether, dipropylene glycol monomethyl ether or ether, di-isopropylene glycol monomethyl ether or ether, the methoxyl group triglycol, oxyethyl group triglycol or butoxy triglycol, 1-butoxy oxyethyl group-2-propyl alcohol, 3-methyl-3-methoxybutanol, the mixture of glycol tertiary butyl ether and these solvents.

In an other preferred embodiment, relate to a kind of solid cleaner, it is to exist with the form of particulate or with the form of compressing tablet or tablet.

Based on the gross weight of clean-out system, clean-out system according to the present invention comprises by weight 0.1% to 90%, more preferably by weight 1% to 70%(for example by weight 5% to 70%) 5% to 60% ionogen by weight, even more preferably.

For example salt such as sodium sulfate or sodium-chlor can influence the physical-chemical parameters, and ionic strength for example is for cleaning active and for they may be favourable between the saboteur and the ability of intramolecular hydrogen bond (for example in protein and carbohydrate).

Preferably, these ionogen are an alkali metal salt and/or alkaline earth salt, more preferably an alkali metal salt, especially sodium salt.Example is sodium sulfate or sodium-chlor, sodium bicarbonate, yellow soda ash, trisodium citrate, sodium phosphate, Alendronate, sodium acetate, sodium alginate, maleic acid sodium etc.According to complexing and/or the pH regulator ability of negatively charged ion, trisodium citrate and yellow soda ash are preferably used for the pH setting in addition or are used for pH regulator buffering system (for example citric acid/sodium hydroxide and/or sodium carbonate/bicarbonate).Therefore, in a preferred embodiment, electrolytical at least a portion can be to regulate a kind of material or the multiple material (pH regulator agent) of pH.

Under different applicable cases, particularly in the equipment of milking etc., if preferably clean-out system according to the present invention has one 7 to 12,8 to 11 pH particularly, so a kind of acidity and a kind of basic treatment alternately take place.The setting of required acid pH is described in hereinafter.In general, for this technology, will carry out following: on the market visible be used for Dairy industry (equipment of particularly milking, this particularly pipeline with milk the unit) clean-out system belong to two groups: alkalescence and acidic cleaner, they should exchange and adopt.Alkalescence (normally Ke Xingjia or caustic soda) can make milk conduit for example not contain the settling of organic (based on fat and protein), the slag of especially suckling.The chemical energy of acidic component (for example phosphoric acid, peracetic acid) supply clean-out system is got rid of the settling based on mineral, particularly the deposit of lime thing substantially.For application-specific, they can also replenish by the additive based on chlorine or oxygen with disinfection.

At this pH regulator agent a kind of alkaline reagents preferably.Preferably, this alkaline reagents is to exist with the form of an alkali metal salt of basic active and/or alkaline earth salt and/or with the form of basic metal and/or alkaline earth metal hydroxides.As basic metal, sodium is preferred in these compounds.The clean-out system that particularly preferably is this basic active comprises the situation of the mixture of sodium bicarbonate and yellow soda ash.If form the mixture of yellow soda ash and sodium bicarbonate so that about 2 to 4, particularly the sodium bicarbonate of about 2.8 to 3.3 weight parts is distributed to a weight parts of sodium carbonate, can reach particularly advantageous result so.If use this mixture, so also set about 8 to 11, about 9 to 10 a kind of favourable pH scope particularly.

Preferably, if particularly be present in a kind of aqueous medium according to clean-out system of the present invention, this is particularly in the form by solution weight 1% to 10% intensity, so in order to dissolve the deposit of lime thing, the equipment (referring to more than) of particularly milking, set 1 to 6, particularly a kind of acid pH of 2 to 4.

At this pH regulator agent a kind of souring agent preferably.Preferably, use inorganic and organic water-soluble free acid, their acid anhydrides or their acid salt.Except sodium pyrosulfate and sal enixum and/or urea phosphate, can advantageously adopt particularly organic alpha-hydroxy carboxylic acid compounds (fruit acid) (as for example citric acid, tartrate etc.) and/or their acid anhydrides.These are preferably used for and the mixture of thionamic acid (for example citric acid and thionamic acid, with the ratio of 3:1).

Similarly, possible is that viscosity increase according to clean-out system of the present invention is desirable.For instance, can be a kind of form existence of gel according to clean-out system of the present invention.In this case, make water or a kind of organic liquid (for example alcohol) as a kind of weighting agent, yet wherein, add a kind of thickening material in addition.

Can use habitual standard method (Brookfield viscometer (Brookfield viscometer) RVD-VII for example, under 20rpm and 20 ° of C, rotor 3) to measure according to the viscosity of clean-out system of the present invention.The preferred liquid of gel clean-out system can have 20 to the viscosity of 4000mPa, 40 and 2000mPa between value be preferred.

Suitable thickening is inorganic or polymerizable organic compound.Can also adopt multiple mixtures of thickening agents.

Being calculated is for example to gather silicic acid, clay mineral in inorganic thickening agent, if you would take off soil, zeolite, silicic acid (for example Sipernat, for example Sipernat50S), layered silicate and wilkinite.Organic thickening agent is derived from down group, and it consists of the natural polymer of natural polymer, modification and synthetic fully polymkeric substance.What be derived from nature is for example xanthan gum, agar, carrageenin, tragacanth, Sudan Gum-arabic, alginates, pectin, polysaccharide, guar gum, gelling gum, carob bean gum, starch, dextrin, gel and casein as the polymkeric substance of thickening material.

The crude substance of modification especially is derived from down group, and it consists of starch and the Mierocrystalline cellulose of modification; May mention for example carboxymethyl cellulose, hydroxyethyl-Mierocrystalline cellulose and hydroxypropylcellulose and methyl hydroxyethylcellulose at this.

If being the form with solia particle, this clean-out system exists, so preferably 50 to 800 μ m, more preferably 100 to 600 μ m, particularly 150 to 450 μ m of volume mean particle size (D50).This granularity is measured as described above at this.Similarly, preferably, the clean-out system according to the present invention that is particulate form has 1.03 to 1.3, more preferably 1.04 to 1.20 and particularly 1.04 to 1.15 " Hao Sina coefficient (Hausner factor) "." Hao Sina coefficient " is understood that to mean the ratio of compacted density or packing density and bulk density at this.A kind of suitable granularity and a suitable Hao Sina coefficient can cause for example a kind of favourable solubility behavior, and produce a better wash result accordingly.(information about " Hao Sina coefficient " is found in for example " medicament research and development II, the practice operational guidance of Tuebingen, Germany university; The medicine technology " (" Arzneiformenlehre II, Arbeitsanleitung zum Praktikum; Pharmazeutische Technologie ", Eberhard Karls University, T ü bingen, Germany) in).

Above details show the possible component according to clean-out system of the present invention.These independent components can be used to basically under the situation of specified quantity ratio of any desired combined and be used for the effective clean-out system of development based on basis widely.A kind of preferred range of component especially can be preferably and the preferred range combination of another kind of component.

According to the present invention, separately (100%) uses urea (urea) to represent unexpectedly good light of a kind of unexpectedly good cleansing power and glass and tableware.

The cleaning effect of urea increases significantly by adding ionogen.Especially advantageously use neutral salt (as sodium sulfate and/or sodium-chlor) or use trisodium citrate and/or use the alkaline buffer mixture of being formed by yellow soda ash and sodium bicarbonate.

Add tensio-active agent and improved cleaning active, particularly for the removal that has improved fat and oil.

Add 1% to 2% enzyme for example (especially at pH8 to 10 time and under 40 ° of C to 50 ° of C, have a kind of enzyme of high hydrolytic enzyme activities) and further improved cleansing power.Commercially available enzyme (manufacturers: Novi letter (NOVOZYMES)) is the zymin with amylase, lipase and protease activity, and they are attached to a kind of carrier, particularly in the alkalescence of the equipment of milking is cleaned (referring to more than).

Can comprise SYNTHETIC OPTICAL WHITNER according to clean-out system of the present invention.Preferably, these clean-out systems comprise maximum 5% SYNTHETIC OPTICAL WHITNER by weight, for example a kind of SYNTHETIC OPTICAL WHITNER based on oxygen, for example Sodium Persulfate or SPC-D.Clean-out system described herein can preferably comprise 0.01% to 5% SYNTHETIC OPTICAL WHITNER by weight, and more preferably by weight 0.01% to 2%, 0.01% to 1% SYNTHETIC OPTICAL WHITNER especially by weight.

In addition, described clean-out system can comprise a kind of sterilizing agent in the present invention.Can comprise maximum 5% sterilizing agent by weight according to clean-out system of the present invention (in particular for the clean-out system of the equipment of milking), for example as the sterilizing agent of Sodium Persulfate or SPC-D.Preferably, clean-out system described herein can comprise 0.01% to 5% SYNTHETIC OPTICAL WHITNER by weight, and more preferably by weight 0.01% to 2%, 0.01% to 1% SYNTHETIC OPTICAL WHITNER especially by weight.

Mention as mentioned, the form that can be solution, powder, enriched material, particle, spherolite or gel according to clean-out system of the present invention is used.Solution or gel can use same as before; Powder, enriched material, spherolite and gel can manually or use suitable metering or mixing device with water dissolution or dilution.Under independent situation, it is particularly advantageous using in pouch.

Particularly preferably being the form that clean-out system is powder, enriched material, particle or spherolite provides, because it/their transportation is extremely economical.Gel can be provided in any desirable container, especially in a filter cylinder or one group of two or more filter cylinder.Therefore, can provide one group of two filter cylinder, filter cylinder comprises the gel according to acidic cleaner of the present invention, and another filter cylinder comprises the gel according to alkaline cleaner of the present invention, and two filter cylinders randomly comprise other composition.In addition, the urea clean-out system can be made up of kit or a kind of composition, wherein specifically mates concrete component.

A kind of preferred clean-out system, particularly a kind of alkaline cleaner for clean surface comprise following component:

Urea is 10%-70% by weight;

Nonionic surface active agent is maximum 10%(for example by weight 0.1% to 10% by weight);

Yellow soda ash is 1%-25% by weight;

Sodium bicarbonate is 1%-50% by weight;

Complexing agent

(Citrate trianion preferably

(for example trisodium citrate), Trilon M and/or

Sokalan CP5) 1%-30% by weight;

Proteolytic enzyme by weight maximum 5%;

Lipase by weight maximum 5%;

Amylase by weight maximum 5%;

Corrosion inhibitor by weight maximum 5%;

(for example phosphonate, as for example Bayhibit S)

Tinting material by weight maximum 5%;

Scale inhibitor by weight maximum 5%;

(for example polycarboxylate, as Sokalan CP5)

Spices by weight maximum 5%;

SYNTHETIC OPTICAL WHITNER is maximum 5%(for example by weight 0.01% to 5% by weight);

(especially based on oxygen) silicon-dioxide (for example silicic acid) is maximum 5% by weight, and

Aniorfic surfactant by weight maximum 5%.

Another preferred clean-out system, particularly a kind of alkaline cleaner for clean surface comprise following component:

Urea is 10%-70% by weight;

One or more tensio-active agents are maximum 10%(for example by weight 0.1% to 10% by weight);

Yellow soda ash is 1%-25% by weight;

Sodium bicarbonate is 1%-50% by weight;

Complexing agent

(Citrate trianion preferably

(for example trisodium citrate),

Trilon M and/or Sokalan CP5) 1%-30% by weight;

One or more enzymes by weight maximum 5%;

Corrosion inhibitor by weight maximum 5%;

(for example phosphonate, as Bayhibit S)

Tinting material by weight maximum 5%;

Scale inhibitor by weight maximum 5%;

(for example polycarboxylate, as Sokalan CP5)

Spices by weight maximum 5%;

(especially based on oxygen)

Silicon-dioxide (for example silicic acid) by weight maximum 5%.

Urea is 10%-70% by weight;

Yellow soda ash is 1%-25% by weight;

Sodium bicarbonate is 1%-50% by weight;

Complexing agent

(Citrate trianion preferably

(for example trisodium citrate), Trilon M and/or Sokalan CP5) 1%-30% by weight;

Proteolytic enzyme by weight maximum 5%;

Lipase by weight maximum 5%;

Amylase by weight maximum 5%;

Corrosion inhibitor by weight maximum 5%;

(for example phosphonate, as Bayhibit S)

Tinting material by weight maximum 5%;

Scale inhibitor by weight maximum 5%;

(for example polycarboxylate, as Sokalan CP5)

Spices by weight maximum 5%;

(especially based on oxygen)

Silicon-dioxide (for example silicic acid) by weight maximum 5%.

Milk is a kind of very important component of human nutrition, and can be as the basis of a large amount of diversity products.Automatically milk if use, flexible pipe and pipeline in milk so equipment and equipment and especially described equipment and the equipment must clean up hill and dale.This is being by alternately using the clean-out system that comprises strongly-acid composition (as phosphoric acid or peracetic acid) and strongly alkaline compound (as sodium hydroxide or potassium hydroxide) to carry out traditionally.Peracetic acid is classified as corrosive, and has one irritating smell.In addition, in order to remove all types of bacteriums, must use the sterilizing agent based on chlorine or oxygen.Described system has aggressiveness to a great extent and must be handled meticulously and be transported by exper ienced personnel.In addition, they have corrodibility to a great extent and their repeated use may be corroded milking plant and the sealing member and the web member that transport vessel, shorten the life-span of equipment thus.After initial cleaning step, equipment, flexible pipe, pipeline and vessel must wash up hill and dale, pollute with the hazardous chemical of avoiding being etched property of milk.In addition, the scavenging solution that abandons is harmful to environment to a great extent, especially when they are not handled according to the rules.

Therefore, one object of the present invention also is to provide a kind of clean-out system, it can avoid above-mentioned shortcoming, especially avoid using the chemical of vigorous erosion, be that environment is permissible in addition, need not carry out in a large number the washing fluid that needs are discharged and expensively processing, and it is biodegradable.

Clean-out system according to the present invention is based on urea, and it is that biodegradable and complete environment is permissible fully.In addition, milk the equipment and container can not corroded by this clean-out system.

According to a kind of clean-out system of all embodiment of the present invention, in particular for cleaning milk the equipment and equipment, can comprise acidic components.According to another clean-out system of all embodiment of the present invention, in particular for cleaning milk the equipment and equipment, can comprise basic component.These clean-out systems can adopt by a kind of mode that replaces.In equipment and the process of equipment are milked in cleaning, acidic cleaner will be removed mineral and casein plastics, and alkaline cleaner will be removed fatty and oiliness settling.

Can provide by any desirable packing among all embodiment of the present invention and amount according to this or these clean-out systems of the present invention, yet preferably by a kind of packing that is suitable for specific purpose and/or a kind of amount provides this or these clean-out systems.Therefore, can provide the kit of two filter cylinders, a filter cylinder comprises a kind of acid gel of appropriate amount, is used for cleaning the milking system with specific size or specific model; And another filter cylinder comprises a kind of base gel of appropriate amount, is used for cleaning this milking system.

In addition, this alkalescence and/or this acidic cleaner, especially this alkaline cleaner can comprise one or more sterilizing agents, and this particularly combines with the cleaning equipment (referring to more than) of milking, and is with respect to following specific embodiment.

A kind of preferred clean-out system, particularly a kind of for the milk alkaline cleaner of equipment and milking plant or milk equipment or the flexible pipe of equipment or pipeline etc. of cleaning, comprise following component:

Urea is 10%-70% by weight;

Nonionic surface active agent is maximum 5%(for example by weight 0.1% to 5% by weight);

Yellow soda ash is 1%-25% by weight;

Sodium bicarbonate is 1%-50% by weight;

Complexing agent

(Citrate trianion preferably

(for example trisodium citrate), Trilon M and/or Sokalan CP5) 1%-30% by weight;

Proteolytic enzyme by weight maximum 5%;

Lipase by weight maximum 5%;

Amylase by weight maximum 5%;

Corrosion inhibitor by weight maximum 5%;

(for example phosphonate, as for example Bayhibit S)

Tinting material by weight maximum 5%;

Scale inhibitor by weight maximum 5%;

(for example polycarboxylate, as Sokalan CP5)

Spices by weight maximum 5%;

(or sterilizing agent, especially based on oxygen)

Silicon-dioxide (for example silicon by weight maximum 5% and acid)

Aniorfic surfactant by weight maximum 5%.

Another preferred clean-out system, particularly a kind of for the milk alkaline cleaner of equipment and milking plant or milk equipment and the flexible pipe of equipment or pipeline etc. of cleaning, comprise following component:

Urea is 10%-70% by weight;

Yellow soda ash is 1%-25% by weight;

Sodium bicarbonate is 1%-50% by weight;

Complexing agent

(Citrate trianion preferably

(for example trisodium citrate), Trilon M and/or Sokalan CP5) 1%-30% by weight;

One or more enzymes by weight maximum 5%;

Corrosion inhibitor by weight maximum 5%;

(for example phosphonate, as Bayhibit S)

Tinting material by weight maximum 5%;

Scale inhibitor by weight maximum 5%;

(for example polycarboxylate, as Sokalan CP5)

Spices weight meter maximum 5% is pressed;

(or sterilizing agent, especially based on oxygen)

Silicon-dioxide (for example silicic acid) by weight maximum 5%.

Another preferred clean-out system, particularly a kind of for the milk alkaline cleaner of equipment or milking plant or milk equipment and the flexible pipe of equipment or pipeline etc. of cleaning, comprise following component:

Urea is 10%-70% by weight;

Yellow soda ash is 1%-25% by weight;

Sodium bicarbonate is 1%-50% by weight;

Complexing agent

(Citrate trianion preferably

(for example trisodium citrate), Trilon M and/or Sokalan CP5) 1%-30% by weight;

Proteolytic enzyme by weight maximum 5%;

Lipase by weight maximum 5%;

Amylase by weight maximum 5%;

Corrosion inhibitor by weight maximum 5%;

(for example phosphonate, as Bayhibit S)

Tinting material by weight maximum 5%;

Scale inhibitor by weight maximum 5%;

(for example polycarboxylate, as Sokalan CP5)

Spices by weight maximum 5%;

(or sterilizing agent, especially based on oxygen)

Silicon-dioxide (for example silicic acid) by weight maximum 5%.

Another preferred clean-out system, particularly a kind of for the milk acidic cleaner of equipment or milking plant or milk equipment or the flexible pipe of equipment or pipeline etc. of cleaning, comprise following component:

Urea is 10%-80% by weight;

Thionamic acid is 1%-10% by weight;

Citric acid (preferably anhydrous) is 1%-20% by weight;

Sodium sulfate (preferably anhydrous) is 0%-50% by weight;

Trisodium Citrate is 0%-50% by weight;

Aniorfic surfactant by weight maximum 5%;

Nonionic surface active agent by weight maximum 5%;

Complexing agent (for example MGDA) by weight maximum 5%;

Silicon-dioxide (for example silicic acid) by weight maximum 5%;

SYNTHETIC OPTICAL WHITNER is maximum 1%(for example by weight 0.01% to 1% by weight) and (or sterilizing agent, especially based on oxygen, Sodium Persulfate for example)

Spices by weight maximum 5%.

Randomly, this clean-out system can comprise following component in addition:

Scale inhibitor (for example Sokalan) by weight maximum 5%;

Corrosion inhibitor (for example Bayhibit) by weight maximum 5%.

In the application's case, can also be used to any desirable device type that cleaning food is produced as all clean-out systems of mentioning for the clean-out system of the flexible pipe that cleans milk equipment or milking plant or milk equipment or equipment or pipeline etc., as being used for the bottle filling device of liquid or semiliquid (especially beverage, as fruit juice).

Therefore, the present invention also provides and has been used for bottling facility or bottle filling device, in particular for this clean-out system of fruit juice.

According to the present invention, a kind of clean-out system also is provided, it is used to clean any desirable surface type, as the internal surface that do not hidden by facility, outside surface, balcony, front, tunnel wall, road sign, longeron, noise barrier etc.If the protection on surface and maintenance also have importance, the pollution of internal surface mainly is a hygienic issues so.Indoor common dust may comprise organic composition, as bacterium, pollen, spore etc.In addition, outside surface can be polluted by algae, lichens, mosses, plant seed, pollen, dust and earth (earth that especially comprises silicate), thereby must clean protection and safeguard them it.

Have a large amount of clean-out systems, they are commercially available and comprise acidity or basic component according to their desired use that much can not be counted as in these components is eco-friendly.If the cleaning outside surface, must be otherwise noted that does not so have plant etc. to be destroyed by this clean-out system, and this clean-out system is as mentioned above can be alkalescence or acid to a great extent.In addition, the washing fluid that discharges is harmful to environment to a great extent, especially when they are not handled according to the rules.Therefore, there is a problem that the washing fluid of handling to use with environmental friendliness ground is relevant again.

In the time will cleaning stone or pottery (as the tile of the outside surface of tunnel, train or subterranean railway tunnel, buildings), can use the clean-out system for stone surface or facade.Described clean-out system must be suitable for being used in high pressure or the steam washer generally.In addition, these clean-out systems should not have any offensive odour and should be fp.

Realize all these targets and overcome all these shortcomings by a kind of surface cleaning agent according to the present invention.This clean-out system can be suitable for its specific purpose, and namely being suitable for has pending particular surface.Therefore, if clean the surface (as the surface of limy matter) of acid-sensitive sense, can use for example neutral or (little) alkaline clean-out system so.If clean the surface of alkali sensitivity, can use the acid clean-out system of a kind of neutrality or (little) so.In addition, hiding these surperficial plants etc. can use acidic cleaner to remove.

The outside surface of the buildings that cleans (as fragment of brick, concrete, aggregate concrete, gypsum, sandstone, natural stone, tile, marble etc.) is often polluted by the algae and fungi class.

According to the character on the surface that will clean, this urea clean-out system can be made up of kit or a kind of composition, wherein specifically adjusts concrete component.A kind of clean-out system preferably is provided certainly, and it can be sprayed onto on the target or surface that will clean.

In addition, clean-out system of the present invention can be used to the surface of cleaning solar plate or photovoltaic panel.Described plate-opposite with conventional wisdom-not to clean by rainwater, but must clean to safeguard their effect regularly.These plates can be polluted by algae, lichens, mosses, plant seed, pollen, dust and earth (earth that especially comprises silicate).

Another preferred clean-out system, particularly a kind of acidic cleaner for clean surface comprise following component:

Urea is 10%-80% by weight;

Thionamic acid is 1%-10% by weight;

Citric acid (preferably anhydrous) is 1%-20% by weight;

Sodium sulfate (preferably anhydrous) is 0%-50% by weight;

Trisodium Citrate is 0%-50% by weight;

Aniorfic surfactant by weight maximum 5%;

Nonionic surface active agent by weight maximum 5%;

Complexing agent (for example MGDA) by weight maximum 5%;

Silicon-dioxide (for example silicic acid) by weight maximum 5%;

SYNTHETIC OPTICAL WHITNER by weight maximum 1%

(especially based on oxygen, (for example by weight 0.01% to 1%) and for example Sodium Persulfate)

Spices by weight maximum 5%.

This clean-out system can randomly comprise following component in addition:

Scale inhibitor (for example Sokalan) by weight maximum 5%;

Corrosion inhibitor (for example Bayhibit) by weight maximum 5%.

According to the present invention, one or more clean-out systems also are provided, it can be used to clean any desirable type of vehicle, as Motor vehicles, train, aircraft and ship, in particular for the outside surface of the vehicles.This or these clean-out systems can be used in the automatic or automanual washing device system.

The earth of the vehicles (pollution) often comprises road dust, dust generally (earth that for example comprises silicate) and organic substance, as insect, algae, lichens, mosses, plant seed, pollen and (especially in Europe) pitch.

Because the complexity of the vehicles and overcritical cleaning are so common clean-out system often comprises the clean-out system based on the sodium hydroxide of pH14.In addition, described clean-out system often comprises the NTA(nitrilotriacetic acid(NTA)) and/or the EDTA(ethylenediamine tetraacetic acid (EDTA)), for environment reason should be avoided these.Yet, should not use a kind of acidic cleaner, because it can cause the corrosion of metallic surface etc.

Use following steps to clean traditionally: to remove (part) insect, remove iron (especially framework or edge) and remove remaining earth and dust.

There is a problem that the washing fluid of handling to use with environmental friendliness ground is relevant again.

The invention provides a kind of clean-out system, it has overcome the problems referred to above of prior art.This clean-out system is based on urea.According to the target that will clean, this urea clean-out system can be made up of the kit that for example randomly comprises additional component or a kind of composition, specifically adjusts concrete composition.A kind of clean-out system/system preferably is provided certainly, and it can be sprayed onto on the surface that maybe will clean on the target that will clean.

A kind of preferred clean-out system especially for cleaning the vehicles (for example automobile), comprises following composition:

Urea is 10%-70% by weight;

One or more tensio-active agents are maximum 15%(by weight for example 0.1% to 15% by weight);

Yellow soda ash is maximum 25%(for example by weight 0.1% to 25% by weight);

Sodium bicarbonate is maximum 50%(for example by weight 0.1% to 50% by weight);

Complexing agent

(Citrate trianion preferably

(for example trisodium citrate), MGDA or its sodium salt

(for example Trilon M and/or polycarboxylate, as Sokalan CP5) be 25%(for example by weight 0.1% to 25% at most by weight);

Spices is maximum 1%(for example by weight 0.001% to 1% by weight);

Silicon-dioxide (for example silicic acid) is maximum 1%(for example by weight 0.001% to 1% by weight) and jelling agent 1%(for example by weight 0.001% to 1% at most by weight).

Another preferred clean-out system especially for cleaning the vehicles (for example automobile), comprises following component:

Urea is 10%-70% by weight;

One or more tensio-active agents are maximum 15%(for example by weight 0.1% to 15% by weight);

Yellow soda ash is maximum 25%(for example by weight 0.1% to 25% by weight);

Sodium bicarbonate is maximum 50%(for example by weight 0.1% to 50% by weight);

Citrate trianion (for example trisodium citrate) is maximum 25%(for example by weight 0.1% to 25% by weight);

One or more phosphonates are maximum 1%(for example by weight 0.01% to 1% by weight);

One or more polycarboxylates are maximum 5%(for example by weight 0.01% to 5% by weight);

Complexing agent (for example MGDA) is maximum 5%(for example by weight 0.01% to 5% by weight);

One or more spices are maximum 1%(for example by weight 0.001% to 1% by weight);

Silicon-dioxide (for example silicic acid) is maximum 1%(for example by weight 0.001% to 1% by weight), and

Jelling agent is maximum 1%(for example by weight 0.001% to 1% by weight).

Urea is 10%-70% by weight;

Yellow soda ash is maximum 25%(for example by weight 0.1% to 25% by weight);

Sodium bicarbonate is maximum 50%(for example by weight 0.1% to 50% by weight);

MGDA is maximum 5%(for example by weight 0.01% to 5% by weight);

Silicon-dioxide (for example silicic acid) is maximum 1%(for example by weight 0.001% to 1% by weight).

Urea is 10%-70% by weight;

Amphoterics is maximum 15%(for example by weight 0.1% to 15% by weight);

Aniorfic surfactant is maximum 10%(for example by weight 0.1% to 10% by weight);

Yellow soda ash is maximum 25%(for example by weight 0.1% to 25% by weight);

Sodium bicarbonate is maximum 50%(by weight for example 0.1% to 50% by weight);

Phosphonate is maximum 1%(for example by weight 0.01% to 1% by weight);

Polycarboxylate is maximum 5%(for example by weight 0.01% to 5% by weight);

MGDA is maximum 5%(for example by weight 0.01% to 5% by weight);

Spices is maximum 1%(for example by weight 0.001% to 1% by weight);

Silicon-dioxide (for example silicic acid) is maximum 1%(by weight for example 0.001% to 1% by weight).

This clean-out system can randomly comprise by weight 1%(at most for example by weight 0.001% to 1%) one or more gelifying agents.

In nearer research, to relate to their cleaning and disinfection just unsatisfactory as long as found to be used for the clean-out system of denture and artificial tooth.

Therefore, another object of the present invention is to provide a kind of clean-out system for denture and artificial tooth, and the effect that it the has effect with the clean-out system of prior art at least is the same good or better than it, and it is that environment is compatible.

According to the present invention by providing a kind of clean-out system based on urea for denture and artificial tooth to reach this purpose.

The particularly preferred clean-out system that is powder, enriched material, particle or pellets that provides is because its transportation is extremely economical.Gel can be provided in any suitable containers, especially in a filter cylinder.

Can provide by any desirable packing and amount according to this or these clean-out systems of the present invention, yet preferably by a kind of packing that is suitable for specific purpose and/or a kind of amount provides this or these clean-out systems.

In addition, this clean-out system can comprise one or more sterilizing agents.

According to its purposes, this urea clean-out system can be made up of kit or a kind of composition, wherein specifically adjusts concrete (adding) component.

Another preferred clean-out system especially for denture care, comprises following component:

Urea is 40%-80% by weight;

SYNTHETIC OPTICAL WHITNER is maximum 20%(for example by weight 0.1% to 20% by weight);

(especially based on oxygen, for example SPC-D)

Sodium bicarbonate by weight 1% to 25%;

Sodium sulfate is maximum 20%(for example by weight 0.1% to 20% by weight);

Complexing agent is maximum 10%(for example by weight 0.1% to 10% by weight);

(especially Citrate trianion, for example trisodium citrate)

Polyvalent alcohol (for example Sorbitol Powder or Xylitol) is maximum 5%(by weight for example 0.1% to 5% by weight);

Citric acid (1%-10% preferably by weight; Anhydrous)

Aniorfic surfactant is maximum 5%(for example by weight 0.1% to 5% by weight);

Activator (for example TAED) is maximum 5%(for example by weight 0.1% to 5% by weight).

Urea is 40%-80% by weight;

Citric acid is 1%-25% by weight;

(preferably anhydrous)

Sodium bicarbonate is 1%-20% by weight;

Aniorfic surfactant is maximum 5%(for example by weight 0.1% to 5% by weight);

Complexing agent is maximum 10%(for example by weight 0.1% to 10% by weight);

Sodium sulfate is maximum 10%(for example by weight 0.1% to 20% by weight);

Polyvalent alcohol (for example Sorbitol Powder or Xylitol) is maximum 5%(for example by weight 0.1% to 5% by weight).

Particularly, use two kinds of (at least a alkalescence and at least a acidity) clean-out systems to clean the equipment of milking, preferably alternately clean.

The invention still further relates to and a kind ofly contain the enzyme clean-out system for closed system, particularly a kind of for cleaning, sterilization and/or sterilization contain the enzyme clean-out system, contain the enzyme clean-out system based on what be used for closed system, no enzyme use in dishwasher sanitising agent or do not have the gross weight of enzyme sanitary cleaning agent, comprise by weight 5% to 99.9%, preferably by weight 10% to 95%, more preferably by weight 10% to 90%, even more preferably by weight 20% to 80%, particularly preferably by weight 25% to 75%, extremely particularly preferably by weight 20% to 70%, and particularly 20% to 60% urea or its derivative by weight.

In general, be noted that according to clean-out system of the present invention since unexpectedly favorable properties become a kind of generic resource for numerous application purposes.Clean-out system according to the present invention has a kind of splendid dissolving power and the ability that comprises of numerous materials.The main ingredient according to clean-out system of the present invention that is crude substance form harmless on the neutral toxicology is that very height skin is compatible and quick bio is degradable.Found that urea is a kind of good solubilizing agent unexpectedly, particularly at the clean-out system that is used for closed system (particularly at the clean-out system that is used for cleaning, sterilization and/or sterilization).Although it is according to clean-out system urea amount height of the present invention, still compatible with the surface that will clean (for example tableware, particularly glass) unexpectedly.On these surfaces, a bit do not aware etching action improperly.

Based on the toxicology and ecological extensive acceptable urea, also allow for example to have the preparation of desired " biological cleanser " with the above-mentioned in addition combination of same acceptable additive biologically.

The present invention will illustrate based on following example.

Example:

(all values in these examples all uses % by weight to represent.Employed trade(brand)name or trade name have from following annex I clearly implication.)

The clean-out system that is used for food-processing (for example at the bottling facility)

Urea 45.0

Genapol EP2584 2.0

Lutensol AT25 1.0

Yellow soda ash 14.5

Sodium bicarbonate 20.96

Trisodium citrate 9.0

Savinase6.0T 0.5

Lipolase100T 0.4

Termamyl120T 1.6

Bayhibit S0.34

TAED green 0.8

Sokalan CT5 1.0

Trilon M particle 2.5

Lemon oil 0.01

Sodium Persulfate 0.09

Sipernat50S 0.2

Lutensit AS2230 0.1

Acidic cleaner for the equipment of milking:

Urea 47.91

Thionamic acid 5.0

Citric Acid, usp, Anhydrous Powder 14.0

Anhydrous sodium sulphate 30.0

Plurafac LF431 0.8

Lutensol AT25 1.0

Trilon M 1.0

Sipernat50S 0.2

Sodium Persulfate 0.09

The alkaline cleaner that is used for the surface

Urea 45.0

Genapol EP2584 2.0

Lutensol AT25 3.0

Yellow soda ash 14.5

Sodium bicarbonate 17.96

Trisodium citrate 9.0

Savinase6.0T 0.5

Lipolase100T 0.4

Termamyl120T 1.6

Bayhibit S 0.34

TAED green 0.8

Sokalan CP5 1.0

Trilon M particle 2.5

Lemon oil 0.01

Sodium Persulfate 0.09

Sipernat50S 0.2

Lutensit AS2230 0.1

The acidic cleaner that is used for the surface

Urea 47.71

Thionamic acid 5.0

Citric Acid, usp, Anhydrous Powder 14.0

Anhydrous sodium sulphate 30.0

Plurafac LF431(403) 0.8

Lutensol AT25 1.0

Trilon M 1.0

Sipernat50S 0.4

Sodium Persulfate 0.09

Be used for cleaning the clean-out system of automobile

Urea 45.0

Genapol EP2584 1.0

Lutensol AT25 3.5

Amphoterics 4.0

Aniorfic surfactant 3.0

Yellow soda ash 14.5

Sodium bicarbonate 16.55

Trisodium citrate 9.0

Bayhibit S 0.19

Sokalan CP5 0.50

Trilon M particle 2.5

Perfume oil, lemon 0.01

Sipernat50S 0.2

Jelling agent, as

Carbopol940、Tylose C1000P、

Tylose M2000 0.05

Consider above embodiment about preferable feature, the present invention has provided following alkaline preparation in addition:

1. be used for cleaning the clean-out system of the vehicles, comprise following component:

Urea is 10%-70% by weight;

One or more tensio-active agents by weight 0.1% to 15%;

Yellow soda ash is 0.1%-25% by weight;

Sodium bicarbonate is 0.1%-50% by weight;

Citrate trianion by weight 0.1% to 25%;

One or more phosphonates by weight maximum 1%;

One or more polycarboxylates by weight maximum 5%;

MGDA by weight maximum 5%;

One or more spices are maximum 1% by weight, and

Silicon-dioxide by weight maximum 1%

2. be used for the clean-out system of clean surface, comprise these components:

Urea is 10%-80% by weight;

Thionamic acid

(decalcifying agent) be 1%-10% by weight;

Citric acid (decalcifying agent) is 1%-20% by weight;

Sodium sulfate is 0%-50% by weight;

Trisodium Citrate is 0%-50% by weight;

Aniorfic surfactant by weight maximum 5%;

Nonionic surface active agent by weight maximum 5%;

Complexing agent by weight maximum 5%;

Silicon-dioxide by weight maximum 5%;

SYNTHETIC OPTICAL WHITNER is maximum 1% by weight, and

Spices by weight maximum 5%.

3. be used for the clean-out system of clean surface, comprise following component:

Urea is 10%-70% by weight;

One or more tensio-active agents by weight maximum 10%;

Yellow soda ash is 1%-25% by weight;

Sodium bicarbonate is 1%-50% by weight;

Complexing agent is 1%-30% by weight;

One or more enzymes by weight maximum 5%;

Corrosion inhibitor by weight maximum 5%;

Tinting material by weight maximum 5%;

Scale inhibitor by weight maximum 5%;

Spices by weight maximum 5%;

SYNTHETIC OPTICAL WHITNER by weight maximum 5%;

Silicon-dioxide by weight maximum 5%.

4. be used for cleaning the clean-out system of the equipment of milking, comprise following component:

Urea is 10%-80% by weight;

Thionamic acid is 1%-10% by weight;

Citric acid is 1%-20% by weight;

Sodium sulfate is 0%-50% by weight;

Trisodium Citrate is 0-50% by weight;

Aniorfic surfactant by weight maximum 5%;

Nonionic surface active agent by weight maximum 5%;

Complexing agent by weight maximum 5%;

Silicon-dioxide by weight maximum 5%;

SYNTHETIC OPTICAL WHITNER is maximum 1% by weight, and

Spices by weight maximum 5%.

5. be used for cleaning the clean-out system of the equipment of milking, comprise following component:

Urea is 10%-70% by weight;

One or more tensio-active agents are maximum 10% by weight,

Yellow soda ash is 1%-25% by weight;

Sodium bicarbonate is 1%-50% by weight;

Complexing agent is 1%-30% by weight;

One or more enzymes by weight maximum 5%;

Corrosion inhibitor by weight maximum 5%;

Tinting material by weight maximum 5%;

Scale inhibitor by weight maximum 5%;

Spices by weight maximum 5%;

SYNTHETIC OPTICAL WHITNER by weight maximum 5%;

Silicon-dioxide by weight maximum 5%.

6. be used for the clean-out system of denture care, comprise following component:

Urea is 40%-80% by weight;

Citric acid is 1%-25% by weight;

Sodium bicarbonate is 1%-20% by weight;

Aniorfic surfactant by weight maximum 5%;

Complexing agent by weight maximum 10%;

Sodium sulfate by weight maximum 10%;

Polyvalent alcohol (for example Sorbitol Powder or Xylitol) by weight maximum 5%.

Annex I

Trade(brand)name or trade name with chemistry explanation use

Claims

1. clean-out system, be used for cleaning the surface of all types of vehicles, the surface of the surface of big outside surface, particularly buildings, the surface of the facility in food and tobacco and the alcohol industry, the surface of particularly milking and equipping, and the surface with facilities and equipment of metal, pottery and/or frosting, this clean-out system comprises

(a) 10% to 90% urea,

(b) one or more ionogen of 5% to 70% by weight,

(c) one or more tensio-active agents of 0.1% to 35% by weight, and

(d) one or more complexing agents of 0.01% to 20% by weight.

2. clean-out system as claimed in claim 1 is characterized in that it comprises by weight 10% to 70%, particularly 20% to 60% urea by weight.

3. clean-out system as claimed in claim 1 or 2 is characterized in that this ionogen is that form with an alkali metal salt and/or alkaline earth salt exists, particularly with the form of sodium salt.

4. as each described clean-out system in the claim 1 to 3, it is characterized in that this complexing agent is to exist with the form of nitrilo triacetate (NTA), ethylene diamine triacetate (TED), edetate (EDTA), methylglycine diacetin (MGDA), particularly with the form of these sodium salts.

5. clean-out system according to any one of claims 1 to 4, be used for the cleaning on the surface of and the following: all types of Motor vehicles, particularly heavy goods vehicle, motorbus, automobile, motorcycle, bike, tractor, ship, aircraft, particularly have based on metal and/or plastics, at this particularly based on these of surface of paint, it is characterized in that this clean-out system comprises a kind of thickening material in addition, particularly with the form of carboxymethyl cellulose, particularly with from 0.001% to 3% amount by weight.

6. clean-out system as claimed in claim 5 is characterized in that it comprises anticorrosive agent, particularly with a kind of form of phosphonate, particularly with from 0.1% to 5% amount by weight.

7. as claim 5 or 6 described clean-out systems, it is characterized in that it comprises nursing agent, particularly with the form of organosilicon and/or wax emulsion.

8. as at least one described clean-out system in the claim 1 to 7, it is characterized in that it comprises a kind of abrasive, particularly with the form of silicon-dioxide, particularly with from 0.001% to 1% amount by weight.

9. as at least one described clean-out system in the claim 1 to 4, be used for all types of outside surfaces, particularly floor surface, roof, wall surface, passageway and balcony surface and the cleaning on solar panels surface etc. in addition, it is characterized in that this clean-out system comprises decalcifying agent and/or microbicide, particularly at algae, mosses, Mycophyta and/or lichens.

10. clean-out system as claimed in claim 9 is characterized in that it comprises decalcifying agent, particularly with the form of thionamic acid and/or citric acid.

11. clean-out system as claimed in claim 10 is characterized in that this decalcifying agent is with about 1% to 20% by weight, particularly about amount of 5% to 15% exists by weight.

12. as at least one described clean-out system in the above claim, it is characterized in that it comprises silicon-dioxide as a kind of abrasive, particularly with from 0.1% to 5% amount by weight.

13. clean-out system as claimed in claim 12 is characterized in that the amount of this silicon-dioxide is by weight 0.1% to 3%.

14. as at least one described clean-out system in the above claim, it is characterized in that in all types of metallic surfaces, particularly under the situation of iron, stainless steel, aluminium, magnesium, titanium, copper, zinc, one-tin brass or the processing on the surface of chromium plating, in the processing of milk equipment and surgical device, this clean-out system comprises corrosion inhibitor, particularly with a kind of form of phosphonate.

15. clean-out system as claimed in claim 14 is characterized in that with from 0.1% to 5% amount by weight, particularly comprises corrosion inhibitor with from 0.3% to 3% amount by weight.

16. as at least one described clean-out system in the above claim 1 to 15, it is characterized in that under the situation that alkalescence is used, comprising SYNTHETIC OPTICAL WHITNER, particularly with a kind of form of crossing compound.

17. clean-out system as claimed in claim 16 is characterized in that this crosses compound is that form with a kind of persulphate and/or a kind of percarbonate exists, particularly with the form of its sodium salt, particularly with from 0.1% to 5% amount by weight.

18. clean-out system as claimed in claim 17 is characterized in that this crosses compound is to exist with from 0.1% to 3% amount by weight.

19. as each described clean-out system in the claim 16 to 18, it is characterized in that having adopted a kind of suitable activator in order to regulate the desirable effect of this SYNTHETIC OPTICAL WHITNER, particularly with the form of tetraacetyl ethylene diamine (TAED).

20. as at least one described clean-out system in the above claim, it is characterized in that the degraded for organic substance, this clean-out system comprises enzyme, particularly with from 0.1% to 5% amount by weight.

21. clean-out system as claimed in claim 20 is characterized in that the amount of this enzyme is by weight 0.3% to 3%.

22. as at least one described clean-out system in the above claim, under the situation that it is characterized in that using in a kind of acidic medium, this clean-out system comprises citric acid and/or thionamic acid.

23. as at least one described clean-out system in the above claim 1 to 4, be used for the ceramic surface of artificial tooth and/or the cleaning of frosting, it is characterized in that this clean-out system comprises acid, citric acid and be used for the alkali metal hydrocarbonate that gas is overflowed particularly, particularly with from 1% to 10% amount by weight, the surface of these artificial tooths is particularly based on plastics, the bridge work that is made of metal, pottery, VMC(sintering metal veneer) and as the zirconium dioxide of full porcelain crown and full porcelain bridge structure.

24. clean-out system as claimed in claim 23 is characterized in that it comprises a kind of SYNTHETIC OPTICAL WHITNER, particularly with a kind of relevant activator together, particularly with a kind of form of crossing compound.

25. as claim 23 or 24 described clean-out systems, it is characterized in that this crosses compound is a kind of percarbonate, particularly with the form of its sodium salt.

26. as at least one described clean-out system in the claim 23 to 25, it is characterized in that it comprises a kind of stablizer, particularly with a kind of form of sugar alcohol, particularly with the form of Sorbitol Powder.

27. as at least one described clean-out system in claim 1 to 4 and 23 to 26, it is characterized in that it comprises a kind of biocide, particularly have at budding fungus, streptococcus, Escherichia and also have effect at pseudomonas and Legionella.

28. as at least one described clean-out system in the above claim, it is characterized in that it is used for the processing of galley equipment or kitchen machine, particularly coffee machine, hot water boiler, poacher, be used for the milk bottle warmer of baby bottles and the processing that also has baby bottles and baby's cup, more than these features of these claims be suitable for these purposes.

29. as at least one described clean-out system in the above claim, it is characterized in that it is form with particle, particularly with a kind of form of powder, particularly exist with the form of pressed article or tablet or be filled in the pouch.

30. as at least one described clean-out system in the above claim, it is characterized in that it is included in the cover group, and under the situation of this cover group, just be set in these framework conditions of refering in particular in above these claims in use or before using, this urea is particularly spaced apart with other compositions of this clean-out system, particularly in a multi-chamber system.

31. as at least one described clean-out system in the above claim, under the situation of processing on the surface of the surface of surgical device and the equipment of milking, have these pending surfaces mainly be metal, particularly based on iron, stainless steel, aluminium, magnesium, titanium, copper, zinc, one-tin brass, and integral type seal assembly, the particularly integral type seal assembly of plastics, or the sight glass of the integral type of plastics or extraordinary mirror.