EP0260205A2 - Cleaning composition for sanitary installations - Google Patents
Cleaning composition for sanitary installations Download PDFInfo
- Publication number
- EP0260205A2 EP0260205A2 EP87420234A EP87420234A EP0260205A2 EP 0260205 A2 EP0260205 A2 EP 0260205A2 EP 87420234 A EP87420234 A EP 87420234A EP 87420234 A EP87420234 A EP 87420234A EP 0260205 A2 EP0260205 A2 EP 0260205A2
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- EP
- European Patent Office
- Prior art keywords
- composition according
- betaine
- salt
- weight
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000203 mixture Substances 0.000 title claims abstract description 57
- 238000004140 cleaning Methods 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 title description 3
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229960003237 betaine Drugs 0.000 claims abstract description 26
- 239000002304 perfume Substances 0.000 claims abstract description 21
- 150000003839 salts Chemical class 0.000 claims abstract description 18
- 239000002253 acid Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003899 bactericide agent Substances 0.000 claims abstract description 7
- 230000002378 acidificating effect Effects 0.000 claims abstract description 6
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 6
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 12
- 239000011780 sodium chloride Substances 0.000 claims description 9
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 6
- 235000019253 formic acid Nutrition 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 235000011090 malic acid Nutrition 0.000 claims description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000003086 colorant Substances 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 229910001508 alkali metal halide Inorganic materials 0.000 description 2
- 229910001615 alkaline earth metal halide Inorganic materials 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 239000001913 cellulose Chemical class 0.000 description 2
- 229920002678 cellulose Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- DHMQDGOQFOQNFH-UHFFFAOYSA-M Aminoacetate Chemical compound NCC([O-])=O DHMQDGOQFOQNFH-UHFFFAOYSA-M 0.000 description 1
- 208000006558 Dental Calculus Diseases 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- -1 alkaline earth metal sulfates Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 150000003842 bromide salts Chemical class 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- MRUAUOIMASANKQ-UHFFFAOYSA-N cocamidopropyl betaine Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O MRUAUOIMASANKQ-UHFFFAOYSA-N 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 150000004694 iodide salts Chemical class 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 229920000847 nonoxynol Polymers 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical class CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002453 shampoo Substances 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/90—Betaines
Definitions
- the invention relates to cleaning compositions and more particularly to compositions which are used in sanitary installations, for example toilet bowls.
- compositions which contain at least one acid, such as hydrochloric, phosphoric, sulfuric, acetic or fumaric acid.
- compositions containing hydrochloric acid are corrosive and dangerous and it is preferred to use weak acids.
- anionic and / or nonionic surfactants or other thickeners such as polyethoxylated amines or cellulose derivatives, such as carboxymethylcellulose, are commonly added.
- these thickeners require additives for their implementation, for example alcohols to dissolve the carboxymethylcellulose in water.
- the pH range must be chosen so that the introduction and the stability of the perfumes in the composition are not difficult. Indeed, pH below 1.5 leads to a breakdown of the constituents of most perfumes.
- the viscosity of such compositions must also be chosen so as to obtain a satisfactory descaling power and a persistence of the perfumes desired by the users.
- an insufficient viscosity does not allow the cleaning composition to adhere sufficiently to the walls, which reduces the contact time of the composition with the tartar.
- too high a viscosity prevents a diffusion of the perfume in the air surrounding the toilet or a diffusion in the stagnant water at the bottom of the toilet.
- An object of the invention is therefore to be able to provide a thickened acidic aqueous composition, not containing strong acid, but having a satisfactory descaling power.
- a second object of the invention is to provide such a descaling composition having a viscosity which can be adjusted to allow good adhesion to inclined walls and at the same time a diffusion of the perfume in the ambient atmosphere.
- a third object of the invention is to provide a thickened, scented acidic aqueous composition which is at the same time colored, clear and limpid, stable at room temperature and at + 40 ° C., for several months.
- Another object of the invention is to provide a descaling composition for cleaning sanitary facilities, comprising a single thickening surfactant, so as to reduce the manufacturing cost.
- thickening systems which consist of an amido-betaine of formula: in which R is an alkyl or alkenyl radical containing from 9 to 17 carbon atoms, n is an integer from 2 to 4, y is 0 or is an integer from 1 to 3, and a salt chosen from alkali or alkaline earth metal sulfates.
- compositions can be in the form of gels if a thickener is added to them, such as a surfactant, for example an ethoxylated nonylphenol, or such as a polymer, for example a cellulose derivative.
- a thickener such as a surfactant, for example an ethoxylated nonylphenol, or such as a polymer, for example a cellulose derivative.
- a betaine not comprising an amido group can, in the presence of weak acids, be thickened by halides or sulfates of alkali metals or alkaline earth.
- betaines selected by the applicant to thicken aqueous compositions containing at least one weak acid, in the presence of an alkali or alkaline earth metal halide are chosen from betaines having the following general formula: or the following general formula: in which R is a C9-C17 alkyl or alkenyl radical, x and y are independent of each other and are integers between 0 and 5.
- the betaines of formula III and IV not only thicken the aqueous weak acid compositions, and this in the presence of an alkali or alkaline earth metal halide, but also make it possible to disperse the perfumes which may be introduced at the end of mixing without separation into two phases.
- the fact of adding a perfume at the end of the formulation constitutes a great advantage for the manufacturer. Indeed, it can manufacture a mixture comprising no perfume and, with the same mixture, it can introduce at the final stage a perfume which it can vary according to the tastes and habits of the consumers.
- the betaines selected by the applicant also make it possible to obtain clear and clear compositions which are stable over time, at ambient temperature and up to + 40 ° C.
- the invention therefore relates to a thickened acidic aqueous composition for cleaning sanitary facilities, characterized in that it contains at least one betaine chosen from betaines having the formula (III) or (IV), at least one weak acid, at least one salt, optionally a perfume, optionally a bactericide, optionally a dye, and water.
- the salt / betaine weight ratio is preferably less than about 1.5: 1.
- the composition contains from 0.5 to 10% by weight of at least one betaine of formula (III) or (IV) and of 0, 1 to 15% by weight of at least one salt.
- It preferably contains from 2 to 8% by weight of at least one betaine of formula (III) or (IV), from 0.5% to 6% by weight of at least one weak acid, from 0.2 to 10% by weight of a salt.
- the weak acid is preferably chosen from formic, acetic, citric, lactic, succinic, gluconic, glutaric, adipic, malic acids or their mixtures.
- the salt can be chosen from chlorides, bromides, iodides and sulfates of alkali or alkaline earth metals.
- the composition is remarkable because it makes it possible to mix all the constituents and to add the perfume in the final stage.
- REWOTERIC AM-TEG betaine (manufactured by REWO, containing 35 to 40% betaine (III), 4.5% to 6.0% NaCl, qs 100% water).
- REWOTERIC AM-TEG betaine (manufactured by REWO, containing 35 to 40% betaine (III), 4.5% to 6.0% NaCl, qs 100% water).
- - 4 g HCl (37%) - 0.20 ml of dye (1% solution in water) - 0.25 ml of perfume - 0.53 g of bactericidal agent (50%) - qs 100 g of water.
- a composition is obtained having a viscosity of 150 m Pa.S, measured with an Epprecht viscometer, with a mobile 2, at a speed of 200 revolutions / minute.
- This composition is not viscous (less than 50 mPa.s).
- this example shows that betaine AMTEG mixed with weak acids does not make it possible to obtain a viscous composition.
- a composition is obtained having a viscosity of 160 mPa.s measured with mobile Epprecht 2, speed 200 revolutions / minute.
- This composition is clear and limpid, stable on storage.
- Example 1 is repeated, replacing the formic acid with acetic acid and adding 3 g of NaCl.
- a composition is obtained having a viscosity of 180 mPa.s, clear and limpid, stable.
- a 145 mPa.s viscosity composition is obtained containing 2% formic acid and 1% phosphoric acid.
- the amount of salt added must not be too large; in any case, it has been observed that the salt / betaine ratio must be less than 2: 1 and preferably equal to 1: 1.
- the amount of betaine must be greater than 3% by weight, preferably 3.6% by weight, and the amount of NaCl must be substantially equal, in% by weight.
- Example 3 The same mixture is carried out as in Example 3, but a mixture is introduced as acid: - 1/3 of glutaric acid - 1/3 adipic acid - 1/3 of succinic acid, sold by BASF under the trade name SOKALAN DCS.
- a viscosity of 200 mPa.s. is obtained.
- the following mixture is carried out: - 0.5% citric acid - 0.5% phosphoric acid - 2% formic acid - 3.6% betaine from the AM-TEG product (in 100%) - 0.002% dye - 0.265% bactericide - 3% NaCl - qs 100% water.
- a composition having a viscosity of 520 mPa.s.
- a viscosity of between 100 and 400 mPa.s is obtained.
- Example 3 The same mixing is carried out as in Example 3, but the order of introduction is modified, namely that the perfume is introduced at the end of formulation. A stable formula is obtained, the cloud point of which is greater than + 80 ° C.
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Cosmetics (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
L'invention concerne des compositions de nettoyage et plus particulièrement des compositions qui sont utilisées dans les installations sanitaires, par exemple les cuvettes de toilettes.The invention relates to cleaning compositions and more particularly to compositions which are used in sanitary installations, for example toilet bowls.
Un des principaux problèmes posés par de telles compositions est qu'elles doivent éliminer le tartre qui se dépose à la surface de la cuvette. Il est connu d'utiliser à cet effet des compositions aqueuses qui contiennent au moins un acide, tel que l'acide chlorhydrique, phosphorique, sulfurique, acétique ou fumarique.One of the main problems posed by such compositions is that they must remove the scale which deposits on the surface of the bowl. It is known to use for this purpose aqueous compositions which contain at least one acid, such as hydrochloric, phosphoric, sulfuric, acetic or fumaric acid.
Mais, les compositions contenant de l'acide chlorhydrique sont corrosives et dangereuses et on préfère utiliser des acides faibles.However, the compositions containing hydrochloric acid are corrosive and dangerous and it is preferred to use weak acids.
IL est connu aussi d'améliorer l'adhérence des compositions de nettoyage sur les parois inclinées des cuvettes, en ajoutant un épaississant. Ainsi, on ajoute couramment des agents de surface anioniques et/ou non ioniques ou d'autres épaississants comme les amines polyéthoxylées ou les dérivés de cellulose, tels que la carboxyméthylcellulose.It is also known to improve the adhesion of the cleaning compositions to the inclined walls of the bowls, by adding a thickener. Thus, anionic and / or nonionic surfactants or other thickeners such as polyethoxylated amines or cellulose derivatives, such as carboxymethylcellulose, are commonly added.
En général, ces épaississants nécessitent des additifs pour leur mise en oeuvre, par exemple des alcools pour dissoudre la carboxyméthylcellulose dans l'eau.In general, these thickeners require additives for their implementation, for example alcohols to dissolve the carboxymethylcellulose in water.
Pour des compositions acides épaissies utilisées dans les installations sanitaires, l'intervalle de pH doit être choisi de façon que l'introduction et la stabilité des parfums dans la composition ne soient pas difficiles. En effet, des pH inférieurs à 1,5 entraînent une décomposition des constituants de la plupart des parfums.For thickened acidic compositions used in sanitary installations, the pH range must be chosen so that the introduction and the stability of the perfumes in the composition are not difficult. Indeed, pH below 1.5 leads to a breakdown of the constituents of most perfumes.
La viscosité de telles compositions doit aussi être choisie de façon à obtenir un pouvoir détartrant satisfaisant et une rémanence des parfums recherchée par les utilisateurs. Or, une viscosité insuffisante ne permet pas à la composition de nettoyage d'adhérer suffisamment sur les parois, ce qui diminue le temps de contact de la composition avec le tartre. Au contraire, une viscosité trop élevée empêche une diffusion du parfum dans l'air environnant les toilettes ou une diffusion dans l'eau stagnant au fond des toilettes.The viscosity of such compositions must also be chosen so as to obtain a satisfactory descaling power and a persistence of the perfumes desired by the users. However, an insufficient viscosity does not allow the cleaning composition to adhere sufficiently to the walls, which reduces the contact time of the composition with the tartar. On the contrary, too high a viscosity prevents a diffusion of the perfume in the air surrounding the toilet or a diffusion in the stagnant water at the bottom of the toilet.
Un but de l'invention est donc de pouvoir fournir une composition aqueuse acide épaissie, ne contenant pas d'acide fort, mais ayant un pouvoir détartrant satisfaisant.An object of the invention is therefore to be able to provide a thickened acidic aqueous composition, not containing strong acid, but having a satisfactory descaling power.
Un deuxième but de l'invention est de fournir une telle composition détartrante ayant une viscosité pouvant être réglée pour permettre une bonne adhérence sur des parois inclinées et en même temps une diffusion du parfum dans l'atmosphère ambiante.A second object of the invention is to provide such a descaling composition having a viscosity which can be adjusted to allow good adhesion to inclined walls and at the same time a diffusion of the perfume in the ambient atmosphere.
Un troisième but de l'invention est de fournir une composition aqueuse acide épaissie parfumée qui soit à la fois colorée, claire et limpide, stable à température ambiante et à + 40°C, pendant plusieurs mois.A third object of the invention is to provide a thickened, scented acidic aqueous composition which is at the same time colored, clear and limpid, stable at room temperature and at + 40 ° C., for several months.
Un autre but de l'invention est de fournir une composition détartrante pour nettoyage des sanitaires, comportant un seul agent de surface épaississant, de façon à diminuer le coût de fabrication.Another object of the invention is to provide a descaling composition for cleaning sanitary facilities, comprising a single thickening surfactant, so as to reduce the manufacturing cost.
On connait des systèmes épaississants qui sont constitués d'une amido-bétaïne de formule :
n est un entier de 2 à 4,
y est égal à 0 ou est un entier de 1 à 3,
et d'un sel choisi parmi les sulfates de métaux alcalins ou alcalino-terreux.We know thickening systems which consist of an amido-betaine of formula:
n is an integer from 2 to 4,
y is 0 or is an integer from 1 to 3,
and a salt chosen from alkali or alkaline earth metal sulfates.
De tels systèmes épaississants sont décrits dans la demande EP 0077674 (UNILEVER). Dans ce document, on mentionne que les bétaïnes qui ne comportent pas de groupe amido ne peuvent épaissir des compositions aqueuses. On mentionne aussi que les amido-bétaïnes ne peuvent être épaissies avec un sel qui est un chlorure de sodium ou bromure de sodium. Enfin, on cite une publication LONZA dans laquelle une cocoamido-bétaïne contentant du chlorure de sodium peut être épaissie par addition d'un agent de surface anionique.Such thickening systems are described in application EP 0077674 (UNILEVER). In this document, it is mentioned that betaines which do not contain an amido group cannot thicken aqueous compositions. It is also mentioned that amido-betaines cannot be thickened with a salt which is sodium chloride or sodium bromide. Finally, a LONZA publication is cited in which a cocoamido-betaine containing sodium chloride can be thickened by the addition of an anionic surfactant.
Dans la demande EP 0056595 (WELLCOME FOUNDATION), on décrit des compositions de shampoings contenant une bétaïne de formule :
Ces compositions peuvent être sous forme de gels si on leur rajoute un épaississant tel qu'un agent de surface, par example un nonylphénol éthoxylé, ou tel qu'un polymère, par exemple un dérivé de cellulose.These compositions can be in the form of gels if a thickener is added to them, such as a surfactant, for example an ethoxylated nonylphenol, or such as a polymer, for example a cellulose derivative.
Or, la demanderesse a constaté avec surprise, et contrairement à ce qui a été suggéré dans les publications antérieures, qu'une bétaïne ne comportant pas de groupe amido peut en présence d'acides faibles être épaissie par des halogénures ou des sulfates de métaux alcalins ou alcalino-terreux.However, the Applicant has surprisingly found, and contrary to what has been suggested in previous publications, that a betaine not comprising an amido group can, in the presence of weak acids, be thickened by halides or sulfates of alkali metals or alkaline earth.
Les bétaïnes sélectionnées par la demanderesse pour épaissir des compositions aqueuses contenant au moins un acide faible, en présence d'un halogénure de métal alcalin ou alcalino-terreux, sont choisies parmi les bétaïnes ayant la formule générale suivante :
De manière surprenante, les bétaïnes de formule III et IV, non seulement épaississent les compositions aqueuses d'acide faible, et ce en présence d'halogénure de métal alcalin ou alcalino-terreux, mais encore permettent de mettre en dispersion les parfums qui peuvent être introduits en fin de mélange sans qu'il y ait de séparation en deux phases. Or, le fait d'ajouter un parfum à la fin de la formulation consitute un grand avantage pour l'industriel. En effet, il peut fabriquer un mélange ne comportant pas de parfum et, avec le même mélange, il peut introduire au stade final un parfum qu'il peut faire varier en fonction des goûts et des habitudes des consommateurs.Surprisingly, the betaines of formula III and IV not only thicken the aqueous weak acid compositions, and this in the presence of an alkali or alkaline earth metal halide, but also make it possible to disperse the perfumes which may be introduced at the end of mixing without separation into two phases. However, the fact of adding a perfume at the end of the formulation constitutes a great advantage for the manufacturer. Indeed, it can manufacture a mixture comprising no perfume and, with the same mixture, it can introduce at the final stage a perfume which it can vary according to the tastes and habits of the consumers.
Les bétaïnes sélectionnées par la demanderesse permettent en outre d'obtenir des compositions limpides et claires qui sont stables dans le temps, à température ambiante et jusqu'à + 40°C.The betaines selected by the applicant also make it possible to obtain clear and clear compositions which are stable over time, at ambient temperature and up to + 40 ° C.
L'invention concerne donc une composition aqueuse acide épaissie, pour le nettoyage des sanitaires, caractérisée par le fait qu'elle contient au moins une bétaïne choisie parmi les bétaïnes ayant la formule (III) ou (IV), au moins un acide faible, au moins un sel, éventuellement un parfum, éventuellement un bactéricide, éventuellement un colorant, et de l'eau.The invention therefore relates to a thickened acidic aqueous composition for cleaning sanitary facilities, characterized in that it contains at least one betaine chosen from betaines having the formula (III) or (IV), at least one weak acid, at least one salt, optionally a perfume, optionally a bactericide, optionally a dye, and water.
Le rapport en poids sel/bétaïne est de préférence inférieur à environ 1,5 : 1. La composition contient de 0,5 à 10 % en poids d'au moins une bétaïne de formule (III) ou (IV) et de 0,1 à 15 % en poids d'au moins un sel.The salt / betaine weight ratio is preferably less than about 1.5: 1. The composition contains from 0.5 to 10% by weight of at least one betaine of formula (III) or (IV) and of 0, 1 to 15% by weight of at least one salt.
Elle contient de préférence de 2 à 8 % en poids d'au moins une bétaïne de formule (III) ou (IV), de 0,5% à 6 % en poids d'au moins un acide faible, de 0,2 à 10 % en poids d'un sel.It preferably contains from 2 to 8% by weight of at least one betaine of formula (III) or (IV), from 0.5% to 6% by weight of at least one weak acid, from 0.2 to 10% by weight of a salt.
En ce qui concerne la bétaïne, on préfère tout particulièrement celles où x = y = 2 pour une bétaïne de formule (III) et celles où x = y = 0 pour une bétaïne de formule (IV).As regards betaine, preference is particularly given to those where x = y = 2 for a betaine of formula (III) and those where x = y = 0 for a betaine of formula (IV).
L'acide faible est choisi de préférence parmi les acides formique, acétique, citrique, lactique, succinique, gluconique, glutarique, adipique, malique ou leurs mélanges.The weak acid is preferably chosen from formic, acetic, citric, lactic, succinic, gluconic, glutaric, adipic, malic acids or their mixtures.
Le sel peut être choisi parmi les chlorures, bromures, iodures et sulfates de métaux alcalins ou alcalino-terreux. La composition est remarquable du fait qu'elle permet de mélanger tous les constituants et d'ajouter le parfum dans l'étape finale.The salt can be chosen from chlorides, bromides, iodides and sulfates of alkali or alkaline earth metals. The composition is remarkable because it makes it possible to mix all the constituents and to add the perfume in the final stage.
La description suivante, en regard des exemples annexés, permettra de comprendre comment l'invention peut être mise en pratique.
Sauf indications contraires, les quantités sont données en % en poids.The following description, with reference to the appended examples, will make it possible to understand how the invention can be put into practice.
Unless otherwise indicated, the quantities are given in% by weight.
On mélange dans l'ordre indiqué :
- 9 g de bétaïne REWOTERIC AM-TEG (*)(fabriquée par REWO, contenant de 35 à 40 % de bétaïne (III), 4,5% à 6,0% de NaCl, q.s.p. 100% d'eau).
- 4 g d'HCl (à 37 %)
- 0,20 ml de colorant (solution à 1 % dans l'eau)
- 0,25 ml de parfum
- 0,53 g d'agent bactéricide (à 50 %)
- qsp 100 g d'eau.
(*) N-suif-N,N-bis(2-hydroxyéthyl)glycinateThe following are mixed in the order indicated:
- 9 g of REWOTERIC AM-TEG betaine (*) (manufactured by REWO, containing 35 to 40% betaine (III), 4.5% to 6.0% NaCl, qs 100% water).
- 4 g HCl (37%)
- 0.20 ml of dye (1% solution in water)
- 0.25 ml of perfume
- 0.53 g of bactericidal agent (50%)
- qs 100 g of water.
(*) N-tallow-N, N-bis (2-hydroxyethyl) glycinate
On obtient une composition ayant une viscosité de 150 m Pa.S, mesurée au viscosimètre Epprecht, avec un mobile 2, à une vitesse de 200 tours/minute.A composition is obtained having a viscosity of 150 m Pa.S, measured with an Epprecht viscometer, with a mobile 2, at a speed of 200 revolutions / minute.
On mélange dans l'ordre indiqué :
- 9 g de bétaïne AM-TEG
- 1,33 g d'acide phosphorique (à 75 %)
- 2,5 g d'acide formique (à 80 %)
- 0,53 g de bactéricide (à 50 %)
- 0,20 ml de colorant (à 1 %)
- 0,25 ml de parfum
- qsp 100 g d'eau.The following are mixed in the order indicated:
- 9 g of betaine AM-TEG
- 1.33 g of phosphoric acid (75%)
- 2.5 g of formic acid (80%)
- 0.53 g of bactericide (50%)
- 0.20 ml of dye (at 1%)
- 0.25 ml of perfume
- qs 100 g of water.
Cette composition n'est pas visqueuse (moins de 50 mPa.s). Ainsi, cet exemple montre que la bétaïne AMTEG en mélange avec des acides faibles ne permet pas d'obtenir une composition visqueuse.This composition is not viscous (less than 50 mPa.s). Thus, this example shows that betaine AMTEG mixed with weak acids does not make it possible to obtain a viscous composition.
On ajoute à la composition de l'exemple comparatif No2, 3 g de NaCl.Is added to the composition of Comparative Example No. 2, 3 g of NaCl.
On obtient une composition ayant une viscosité de 160 mPa.s mesurée à l'Epprecht mobile 2, vitesse 200 tours/minute.A composition is obtained having a viscosity of 160 mPa.s measured with mobile Epprecht 2, speed 200 revolutions / minute.
Cette composition est claire et limpide, stable au stockage.This composition is clear and limpid, stable on storage.
On répète l'exemple 1 en remplaçant l'acide formique par l'acide acétique et en ajoutant 3 g de NaCl.Example 1 is repeated, replacing the formic acid with acetic acid and adding 3 g of NaCl.
On obtient une composition ayant une viscosité de 180 mPa.s, claire et limpide, stable.A composition is obtained having a viscosity of 180 mPa.s, clear and limpid, stable.
On effectue le mélange suivant :
- 9 g de bétaïne TEGO N 192 de GOLDSCHMIDT sensiblement de même compsoition que la bétaïne AM-TEG.
- 1,33 g d'acide phosphorique (à 75 %).
- 2,5 g d'acide formique (à 80 %).
- 0,20 ml de colorant (à 1 %).
- 0,25 ml de parfum.
- 0,53 g de bactéricide (à 50 %).
- 3 g de NaCl.
- qsp 100g d'eau.The following mixture is carried out:
- 9 g of betaine TEGO N 192 from GOLDSCHMIDT substantially of the same composition as betaine AM-TEG.
- 1.33 g of phosphoric acid (75%).
- 2.5 g of formic acid (80%).
- 0.20 ml of dye (1%).
- 0.25 ml of perfume.
- 0.53 g of bactericide (50%).
- 3 g of NaCl.
- qs 100g of water.
On obtient une compsoition de viscosité 145 mPa.s contenant 2 % d'acide formique et 1 % d'acide phosphorique.A 145 mPa.s viscosity composition is obtained containing 2% formic acid and 1% phosphoric acid.
On étudie l'influence du rapport en poids de bétaïne (III) par rapport au poids de sel.The influence of the weight ratio of betaine (III) relative to the weight of salt is studied.
On effectue les mêmes mélanges que dans l'exemple 3, mais on fait varier le taux de bétaïne et le taux de sel.The same mixtures are carried out as in Example 3, but the betaine rate and the salt rate are varied.
On obtient les résultats suivants :
On voit donc que la quantité de sel ajoutée ne doit pas être trop importante; en tout cas on a pu constater que le rapport sel/bétaïne doit être inférieur à 2 : 1 et de préférence égal à 1 : 1. De plus, pour donner en présence d'un parfum une viscosité de l'ordre de 180 mPa.s, la quantité de bétaïne doit être supérieure à 3 % en poids, de préférence 3,6 % en poids, et la quantité de NaCl doit être sensiblement égale, en % en poids.We therefore see that the amount of salt added must not be too large; in any case, it has been observed that the salt / betaine ratio must be less than 2: 1 and preferably equal to 1: 1. In addition, to give a viscosity of the order of 180 mPa in the presence of a perfume. s, the amount of betaine must be greater than 3% by weight, preferably 3.6% by weight, and the amount of NaCl must be substantially equal, in% by weight.
On effectue le même mélange que dans l'exemple 3,mais on introduit en tant qu'acide un mélange:
- 1/3 d'acide glutarique
- 1/3 d'acide adipique
- 1/3 d'acide succinique,
vendu par BASF sous le nom commercial SOKALAN DCS.The same mixture is carried out as in Example 3, but a mixture is introduced as acid:
- 1/3 of glutaric acid
- 1/3 adipic acid
- 1/3 of succinic acid,
sold by BASF under the trade name SOKALAN DCS.
On obtient une viscosité de 200 mPa.s.A viscosity of 200 mPa.s. is obtained.
On effectue le mélange suivant :
- 0,5 % d'acide citrique
- 0,5 % d'acide phosphorique
- 2 % d'acide formique
- 3,6 % de bétaïne du produit AM-TEG (en 100%)
- 0,002 % de colorant
- 0,265 % de bactéricide
- 3 % de NaCl
- qsp 100 % d'eau.The following mixture is carried out:
- 0.5% citric acid
- 0.5% phosphoric acid
- 2% formic acid
- 3.6% betaine from the AM-TEG product (in 100%)
- 0.002% dye
- 0.265% bactericide
- 3% NaCl
- qs 100% water.
On obtient une composition ayant une viscosité de 520 mPa.s. En rajoutant 0,25 % de parfum, on obtient selon la nature du parfum une viscosité comprise entre 100 et 400 mPa.s.A composition is obtained having a viscosity of 520 mPa.s. By adding 0.25% of perfume, depending on the nature of the perfume, a viscosity of between 100 and 400 mPa.s is obtained.
On effectue le même mélange que dans l'exemple 3, mais on modifie l'ordre d'introduction, à savoir que l'on introduit le parfum en fin de formulation. On obtient une formule stable, dont le point de trouble est supérieur à + 80°C.The same mixing is carried out as in Example 3, but the order of introduction is modified, namely that the perfume is introduced at the end of formulation. A stable formula is obtained, the cloud point of which is greater than + 80 ° C.
Claims (10)
ainsi que :
au moins un acide faible,
au moins un sel,
éventuellement un parfum,
éventuellement un bactéricide,
éventuellement un colorant, et
de l'eau.1 / A thickened acidic aqueous composition, for sanitary cleaning, characterized in that it contains at least one betaine chosen from betaines of general formula:
as well as :
at least one weak acid,
at least one salt,
possibly a perfume,
possibly a bactericide,
possibly a dye, and
some water.
2 à 8 % en poids d'une bétaïne,
0,5 à 6 % en poids d'au moins un acide faible,
0,2 à 10 % en poids d'un sel.5 / Composition according to any one of claims 1 to 4, characterized in that it contains
2 to 8% by weight of a betaine,
0.5 to 6% by weight of at least one weak acid,
0.2 to 10% by weight of a salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT87420234T ATE83796T1 (en) | 1986-09-08 | 1987-09-07 | CLEANING AGENT COMPOSITION FOR SANITARY FACILITIES. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8612571A FR2603601B1 (en) | 1986-09-08 | 1986-09-08 | COMPOSITION FOR CLEANING SANITARY FACILITIES |
| FR8612571 | 1986-09-08 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0260205A2 true EP0260205A2 (en) | 1988-03-16 |
| EP0260205A3 EP0260205A3 (en) | 1989-02-22 |
| EP0260205B1 EP0260205B1 (en) | 1992-12-23 |
Family
ID=9338774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP87420234A Expired - Lifetime EP0260205B1 (en) | 1986-09-08 | 1987-09-07 | Cleaning composition for sanitary installations |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0260205B1 (en) |
| AT (1) | ATE83796T1 (en) |
| DE (1) | DE3783185T2 (en) |
| DK (1) | DK170947B1 (en) |
| ES (1) | ES2044967T3 (en) |
| FR (1) | FR2603601B1 (en) |
| GR (1) | GR3007440T3 (en) |
| NO (1) | NO174674C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900467A (en) * | 1988-05-20 | 1990-02-13 | The Clorox Company | Viscoelastic cleaning compositions with long relaxation times |
| EP0649834A1 (en) * | 1993-10-20 | 1995-04-26 | Kao Corporation | Carboxybetaine and sulfobetaine and detergent composition and cosmetic containing the same |
| WO1999015610A1 (en) * | 1997-09-25 | 1999-04-01 | Cognis Deutschland Gmbh | Application of unsaturated betain tensides as thickening agents |
| EP1035195A1 (en) * | 1999-03-11 | 2000-09-13 | drom fragrances international KG | Fragrant composition, especially suitable as toilet freshener |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ529554A (en) | 2003-11-14 | 2006-08-31 | Fonterra Cooperative Group Ltd | Dairy product and process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2087635A5 (en) * | 1970-05-22 | 1971-12-31 | Kao Corp | |
| EP0077674A2 (en) * | 1981-10-19 | 1983-04-27 | Unilever Plc | Viscous compositions containing amidobetaines and salts |
| DE3544236A1 (en) * | 1984-12-18 | 1986-06-19 | Colgate-Palmolive Co., New York, N.Y. | CONCENTRATED, AQUEOUS, SINGLE-PHASE, HOMOGENEOUS BUILDER CONTAINING, LIQUID DETERGENT COMPOSITION |
| EP0228501A2 (en) * | 1985-12-05 | 1987-07-15 | Joh. A. Benckiser GmbH | Liquid agent for cleaning and descaling sanitary installations and method of manufacturing this agent |
-
1986
- 1986-09-08 FR FR8612571A patent/FR2603601B1/en not_active Expired
-
1987
- 1987-09-07 EP EP87420234A patent/EP0260205B1/en not_active Expired - Lifetime
- 1987-09-07 ES ES87420234T patent/ES2044967T3/en not_active Expired - Lifetime
- 1987-09-07 DE DE8787420234T patent/DE3783185T2/en not_active Expired - Lifetime
- 1987-09-07 NO NO873732A patent/NO174674C/en unknown
- 1987-09-07 AT AT87420234T patent/ATE83796T1/en not_active IP Right Cessation
- 1987-09-08 DK DK469287A patent/DK170947B1/en active IP Right Grant
-
1993
- 1993-03-23 GR GR930400627T patent/GR3007440T3/el unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2087635A5 (en) * | 1970-05-22 | 1971-12-31 | Kao Corp | |
| EP0077674A2 (en) * | 1981-10-19 | 1983-04-27 | Unilever Plc | Viscous compositions containing amidobetaines and salts |
| DE3544236A1 (en) * | 1984-12-18 | 1986-06-19 | Colgate-Palmolive Co., New York, N.Y. | CONCENTRATED, AQUEOUS, SINGLE-PHASE, HOMOGENEOUS BUILDER CONTAINING, LIQUID DETERGENT COMPOSITION |
| EP0228501A2 (en) * | 1985-12-05 | 1987-07-15 | Joh. A. Benckiser GmbH | Liquid agent for cleaning and descaling sanitary installations and method of manufacturing this agent |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900467A (en) * | 1988-05-20 | 1990-02-13 | The Clorox Company | Viscoelastic cleaning compositions with long relaxation times |
| EP0649834A1 (en) * | 1993-10-20 | 1995-04-26 | Kao Corporation | Carboxybetaine and sulfobetaine and detergent composition and cosmetic containing the same |
| WO1999015610A1 (en) * | 1997-09-25 | 1999-04-01 | Cognis Deutschland Gmbh | Application of unsaturated betain tensides as thickening agents |
| EP1035195A1 (en) * | 1999-03-11 | 2000-09-13 | drom fragrances international KG | Fragrant composition, especially suitable as toilet freshener |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0260205A3 (en) | 1989-02-22 |
| DK469287A (en) | 1988-03-09 |
| FR2603601A1 (en) | 1988-03-11 |
| DK170947B1 (en) | 1996-03-25 |
| DE3783185D1 (en) | 1993-02-04 |
| NO873732D0 (en) | 1987-09-07 |
| NO174674B (en) | 1994-03-07 |
| DK469287D0 (en) | 1987-09-08 |
| ES2044967T3 (en) | 1994-01-16 |
| DE3783185T2 (en) | 1993-07-01 |
| ATE83796T1 (en) | 1993-01-15 |
| FR2603601B1 (en) | 1988-11-10 |
| EP0260205B1 (en) | 1992-12-23 |
| NO873732L (en) | 1988-03-09 |
| NO174674C (en) | 1994-06-15 |
| GR3007440T3 (en) | 1993-07-30 |
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