EP4259767A1 - Kontinuierlicher formprozess von kugelförmigen wc-steinen - Google Patents
Kontinuierlicher formprozess von kugelförmigen wc-steinenInfo
- Publication number
- EP4259767A1 EP4259767A1 EP21819155.9A EP21819155A EP4259767A1 EP 4259767 A1 EP4259767 A1 EP 4259767A1 EP 21819155 A EP21819155 A EP 21819155A EP 4259767 A1 EP4259767 A1 EP 4259767A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mixture
- agents
- toilet
- acid
- spherical
- 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.)
- Granted
Links
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
- C11D11/00—Special methods for preparing compositions containing mixtures of detergents
- C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
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- 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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0047—Detergents in the form of bars or tablets
- C11D17/0056—Lavatory cleansing blocks
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
- E03D9/03—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction ; Devices for agents in direct contact with flushing water
- E03D9/032—Devices connected to or dispensing into the bowl
Definitions
- the present invention relates to a continuous process for the production of spherical toilet blocks and toilet blocks obtained by the process.
- Toilet cleaning pieces also known as toilet blocks
- rim blocks have long been used to clean, disinfect and scent toilets under the edge of the pool (so-called rim blocks) and in the water tank (in-tank blocks or cistern blocks).
- Aesthetics and performance have become increasingly important in recent years. This led, for example, to the development of gel-like or liquid fragrance rinsing agents, some of which are offered in multi-chamber containers and thus allow the combination of a cleaning agent, which is released when the toilet is flushed, with permanent room scenting.
- spherical toilet blocks are known, for example from EP 2638137 B1, which do not swell and always have a minimal surface area due to their round shape. The rinsing is therefore even, so that the original shape is retained even after a large number of rinsing processes.
- Corresponding spherical, preferably rotationally symmetrical toilet blocks are produced by extruding a mixture containing the respective toilet block ingredients in strand form, cutting it into strands of suitable lengths, applying a lubricant on the surface and then shaping it into spherical toilet blocks.
- the object of the present invention was therefore to provide a method for producing spherical toilet blocks which overcomes the disadvantages of conventional production processes explained above and enables economical toilet block production.
- the inventors of the present invention have surprisingly found that this problem can be solved by a continuous toilet block production process in which the extruded mixture is shaped directly after the extrusion. Such procedures lead to advantageously low proportions of poorly shaped toilet blocks and product returns. In addition, less lubricant is required.
- the invention therefore relates to a continuous process for producing spherical toilet blocks, comprising the following steps: a) providing at least one mixture of toilet block ingredients; b) feeding the at least one mixture obtained from step a) into a ball molding machine; c) deformation of the mixture fed in according to step b) into spherical bodies.
- the invention relates to spherical toilet blocks made by a method as described herein.
- the invention relates to a method for cleaning and/or scenting and/or disinfecting flush toilets using one or more spherical toilet blocks produced as described herein.
- At least one refers to 1 or more, for example 2, 3, 4, 5, 6, 7, 8, 9 or more. In the context of components of the compounds described herein, this statement does not refer to the absolute amount of molecules, but to the type of component. "At least one surfactant” therefore means, for example, that only one type of surfactant or several different types of surfactants can be included, without providing information on the amount of the individual compounds.
- Numerical values given herein without decimal places refer to the full stated value with one decimal place. For example, “99%” means “99.0%”.
- the expression “approximately” or “about” in connection with a numerical value refers to a variance of ⁇ 10% based on the stated numerical value, preferably ⁇ 5%, particularly preferably ⁇ 1%, even more preferably below ⁇ 0.1%.
- molecular weight relates to the weight-average molecular weight in g/mol, unless the number-average molecular weight is explicitly stated.
- Molecular weights are preferably determined by GPC using polystyrene standards.
- Figure 1 shows a schematic representation of two form screws, which run offset to one another with a path difference. This enables a mixture fed in to be continuously drawn in, transported further and finally ball-shaped, preferably in the form of a strand.
- Figure 2 shows two profiled rollers which are used in discontinuous processes for the production of spherical toilet blocks.
- Figure 2a shows the two rollers and a strand in between.
- Figure 2b shows how by reducing the distance between the two rolls, the strand is first cut into smaller segments and then, due to the rotation of the rolls, balling occurs.
- the invention relates to a continuous process for producing spherical toilet blocks, comprising the following steps: a) providing at least one mixture of toilet block ingredients; b) feeding the at least one mixture obtained from step a) into a ball molding machine; c) deformation of the mixture fed in according to step b) into spherical bodies.
- Ball rolling machines suitable in the context of the present invention comprise at least two forming screws, i.e. at least two forming screws which rotate about their longitudinal axis in the same direction when the ball rolling machine is operated. In various embodiments, however, a suitable ball rolling machine has, in particular, three such rotating forming screws.
- Ball rolling machines that are suitable in the context of the present invention are also characterized in that the form worms are installed offset to one another in the ball rolling machine, which in the context of the present invention means that the worm windings of the form worms run with a pitch difference to one another, so that they can mesh (Figure 1) .
- Figure 1 This distinguishes the method according to the invention from the method known in the prior art, since the fed mass can be drawn in continuously by the ball rolling machine and formed into balls due to the difference in pitch of the shaping screws.
- the form augers are installed essentially parallel to each other.
- substantially parallel to one another means with a deviation of approximately 0° to 5°, more preferably about 0° to 3°, more preferably about 0° to 2°, most preferably about 0° to 1°, most preferably with a deviation of about 0.0° to 0.5° parallel to each other .
- the shaped worms run exactly parallel to one another.
- the method according to the invention is characterized in that the ball molding machine comprises at least 2 molding screws, the molding screws rotating about their longitudinal axis in the same direction when the ball rolling machine is operated and the at least two molding screws are installed in the ball rolling machine in such a way that they are essentially parallel to each other and with a path difference to each other, and wherein the shaping according to step c) takes place by the mixture of toilet block ingredients being fed to the at least 2 rotating shaping screws.
- the two or more shaping screws are intake screws.
- Feed screws are generally known in the prior art and are characterized by a gradient that decreases in the direction of transport in the feed area. Outside the catchment area, i.e. in the context of the present invention in the area of the final spherical formation, the pitch then remains identical with each turn. This principle is used with compacting augers.
- a catchment area can also be created by increasing the diameter of the screws in the direction of transport over a certain length of the shaping screws, so that the space between the individual screws in the direction of transport is reduced until it reaches a certain size, which is reflected in the ultimately desired size of the spherical toilet blocks.
- the spherical toilet blocks produced are rotationally symmetrical, in particular spherical.
- the pitch of the individual augers (the distance between two turns) must be the same as the distance between the two or three form augers. If the distance between the screws increases, ellipsoids form.
- the balling of the present invention occurs in a continuous manner.
- the process according to the invention is correspondingly referred to as a continuous production process.
- “continuously” means that the shaping according to step c) takes place directly after the feeding according to step b), in that the mixture fed in is drawn in by the shaping screws and shaped into balls at the same time.
- “continuously” also means that the mass fed in is not divided into individual sections, for example by cutting an extruded strand into individual sections/segments, before it is fed to the shaping according to step c) of the method according to the invention.
- step a) all of the mixture provided according to step a) is fed in continuously, ie without interruption, and fed continuously, ie without interruption, to the ball-shaping process.
- the proportion of poorly shaped spherical WC blocks can be minimized, particularly compared to conventional discontinuous production processes, which are primarily attributable to the sections of the extruded strand which are normally fed back into the extruder.
- a suitable mixture primarily in the form of an extruded strand, is fed to rollers, which can approach one another, with the rollers having essentially no path difference between them and with balls being formed by reducing the distance between the rollers, so that first the mass fed into the space between the rollers is cut/shredded, e.g. in the form of an extruded strand, and then, due to the rolling movements of the rollers, it is shaped into a ball ( Figure 2).
- the strand must contain a little more material than is needed to form the balls, since the strand cannot be cut with the required precision to ensure the exact formation of the first and last ball.
- a further embodiment of the present invention provides that the mixture fed in according to step b) is fed directly to the shaping according to step c), i.e. without the mixture obtained according to step a) being portioned, for example by cutting an extruded strand into sections certain lengths.
- the amount of sections of the mixture fed in according to step b) is in the range from approximately 0 to 10%, preferably ⁇ 0.5%, in each case based on the total amount of the mixture obtained from step a), lies.
- sections only take place by starting and stopping and/or interrupting the feed, for example by interrupting the extruded strand, preferably only by starting and stopping.
- spherical toilet blocks are obtained with the production method according to the invention, of which ⁇ 10%, preferably approximately 0 to 10%, most preferably ⁇ 0.5%, based on the total amount of the mixture obtained from step a), are returned will.
- a mixture of toilet block ingredients provided according to step a) is fed into a ball molding machine in the form of an extruded mixture, preferably in the form of an extruded strand according to step b).
- Steps a) and b) can also be combined in such a way that the toilet block ingredients are mixed in the extruder and fed in directly as an extrudate.
- All process steps may take place at different temperatures, so that heating or cooling steps can be interposed between the steps. These are at the discretion of the professional.
- a further process step can be carried out after step a), in which the mixture to be fed in, for example in the form of an extruded mixture, preferably in the form of an (extruded) strand, is provided with a lubricant.
- a lubricant for example in the form of an impeller, and/or by spraying on a lubricant and/or dripping the lubricant and/or immersing the mixture to be fed in the lubricant, for example in the form of a strand which passes through a lubricant bath is performed.
- the surface can be fully or partially, preferably 10 to 40%, covered with lubricant.
- Suitable lubricants are, in particular, substances that are used, for example, as surfactants or rinsing regulators in formulations according to the invention.
- a lubricant selected from the group consisting of dipropylene glycol, paraffins, nonionic surfactants, polyethylene glycols and mixtures thereof is particularly preferably used, in particular dipropylene glycol.
- a method according to the invention can, in some embodiments, in addition to the predefined steps a)-c) and an optional step of applying lubricant, as described and explained above, further the steps of d) providing a plastic holder, preferably by injection molding process; e) inserting the spherical toilet blocks obtained from step c) into the plastic holder; and optionally f) capping the plastic retainer.
- the toilet blocks are preferably stored temporarily in a container between steps c) and d).
- the container forms a kind of buffer and this means that the production of the toilet blocks can be decoupled from the production of the toilet basket.
- the toilet blocks used in the baskets come from at least two containers, the containers having stored toilet blocks of different compositions. A toilet basket can thus be produced which can release active ingredients from different toilet blocks with different compositions.
- the mixture obtained from step a) has a viscosity in the range from approximately 500,000 to 50,000,000 mPas, preferably in the range from approximately 1,000,000 to 25,000,000 mPas, for example approximately 1,000,000, 1,500,000, 2,000,000 , 2,500,000, 3,000,000, 3,500,000, 4,000,000, 4,500,000, 5,000,000, 5,500,000, 6,000,000, 6,500,000. 7,000,000, 7,500,000, 8,000,000, 8,500,000, 9,000,000, 9,500,000, 10,000,000, 11,000,000, 12,000,000, 13,000,000, 14,000,000,0,60,100,000,10,100,000 000, 17,000,000, 18,000,000, 19,000,000, 20,000,000, 21,000,000, 22,000,000, 23,000,000, 24,000,000 or 25,000,000 mPas.
- the viscosity can be determined with an "IKA Rotavisc hi-vi I" rotational viscometer from IKA-Werke GmbH & Co. KG at 20-40°C.
- the mixture which is provided according to step a) of the method according to the invention preferably comprises one, more preferably at least two ingredients selected from the group consisting of perfume, surfactants, dyes, rinsing regulators, bleaching agents, builders, acids and/or bases, antimicrobial agents, Polymers, salts, thickeners, preservatives, complexing agents, agents to reduce bad smells, perfume boosters, fillers, bleaches, corrosion inhibitors, rinse-off regulators, enzymes, microorganisms, agents to remove biofilms, agents to inhibit limescale deposits, agents to reduce dirt adhesion, agents to improve Processability and active ingredients to reduce stickiness.
- perfume surfactants, dyes, rinsing regulators, bleaching agents, builders, acids and/or bases, antimicrobial agents, Polymers, salts, thickeners, preservatives, complexing agents, agents to reduce bad smells, perfume boosters, fillers, bleaches, corrosion inhibitors, rinse-off regulators, enzymes, microorganisms, agents
- a toilet cleaning system for example enclosed in a plastic holder, for example in the form of a basket, can also include two or more different types of toilet blocks, which differ in terms of their respective composition and/or size and/or Shape and/or color may vary.
- the mixture obtained according to step a) of the process according to the invention preferably contains one or more fragrances. These are preferably contained in the mixture in an amount of 0.01 to 10% by weight, in particular 0.05 to 8% by weight, particularly preferably 0.1 to 5% by weight. D-limonene can be present as a perfume component.
- the mixture contains adherent fragrances, in particular essential oils (also referred to as essential oils). For example, pine, citrus, jasmine, patchouli, rose or ylang-ylang oil can be used as such for the purposes of this invention.
- clary sage oil chamomile oil, lavender oil, clove oil, lemon balm oil, mint oil, cinnamon leaf oil, lime blossom oil, juniper berry oil, vetiver oil, olibanum oil, galbanum oil and labdanum oil as well as orange blossom oil, neroliol, orange peel oil and sandalwood oil.
- adherent fragrances such as the higher-boiling or solid fragrances of natural or synthetic origin, or more volatile fragrances, in particular the lower-boiling fragrances of natural or synthetic origin, which can be used alone or in mixtures, are advantageous in the context of the present invention usable.
- At least one surfactant is preferably included. This is selected from the group of anionic surfactants, nonionic surfactants, amphoteric or zwitterionic surfactants, cationic surfactants and mixtures thereof. At least one anionic surfactant is preferably present.
- fatty acids or fatty alcohols or their derivatives - unless otherwise stated - represent branched or unbranched carboxylic acids or alcohols or their derivatives with preferably 6 to 22 carbon atoms, in particular 8 to 20 carbon atoms, particularly preferably 10 to 18 carbon atoms, most preferably 12 to 16 carbon atoms, for example 12 to 14 carbon atoms.
- the former are preferred in particular because of their vegetable basis as based on renewable raw materials for ecological reasons, but without restricting the teaching according to the invention to them.
- the oxo-alcohols or derivatives thereof obtainable, for example, by ROELEN's oxo synthesis, preferably having 7 to 19 carbon atoms, in particular 9 to 19 carbon atoms, particularly preferably 9 to 17 carbon atoms, extremely preferably 11 to 15 carbon atoms, for example 9 to 11, 12 to 15 or 13 to 15 carbon atoms, can be used accordingly.
- Solid toilet blocks containing generally preferably at least one alkyl benzene sulfonate and at least one olefin sulfonate.
- further surfactants can be present, in particular from the group of anionic and/or nonionic surfactants.
- alkylbenzene sulfonates preference is given in particular to those having about 12 carbon atoms in the alkyl moiety, for example linear sodium C10-13 alkylbenzene sulfonate.
- Preferred olefin sulfonates have a carbon chain length of 14-16.
- the toilet cleaning block contains preferably 10 to 70% by weight, preferably 20 to 65% by weight, particularly preferably 20 to 30% by weight, of alkyl benzene sulfonate and preferably 10 to 30% by weight, preferably 15 to 30% by weight. -%, more preferably 15 to 25% by weight of olefin sulfonate.
- anionic surfactants in the toilet cleaning block can be aliphatic sulfates such as fatty alcohol sulfates, fatty alcohol ether sulfates, dialkyl ether sulfates, monoglyceride sulfates and aliphatic sulfonates such as alkane sulfonates, ether sulfonates, n-alkyl ether sulfonates, ester sulfonates and lignin sulfonates.
- aliphatic sulfates such as fatty alcohol sulfates, fatty alcohol ether sulfates, dialkyl ether sulfates, monoglyceride sulfates and aliphatic sulfonates such as alkane sulfonates, ether sulfonates, n-alkyl ether sulfonates, ester sulfonates and lignin sulfonates.
- Fatty acid cyanamides Fatty acid cyanamides, sulfosuccinates (sulfosuccinic acid esters), in particular sulfosuccinic acid mono- and di-Cs-Cis-alkyl esters, sulfosuccinamates, sulfosuccinamides, fatty acid isethionates, acylaminoalkanesulfonates (fatty acid taurides), fatty acid sarcosinates, ether carboxylic acids and alkyl (ether) phosphates and a - Sulfofatty acid salts, acylglutamates, monoglyceride disulfates and alkyl ethers of glycerol disulfate.
- sulfosuccinates sulfosuccinic acid esters
- sulfosuccinic acid mono- and di-Cs-Cis-alkyl esters in particular sulfosucc
- fatty alcohol sulfates and/or fatty alcohol ether sulfates preference is given to the fatty alcohol sulfates and/or fatty alcohol ether sulfates, in particular the fatty alcohol sulfates.
- Fatty alcohol sulfates are products of sulfation reactions on corresponding alcohols
- fatty alcohol ether sulfates are products of sulfation reactions on alkoxylated alcohols.
- alkoxylated alcohols to mean the reaction products of alkylene oxide, preferably ethylene oxide, with alcohols, preferably with relatively long-chain alcohols for the purposes of the present invention.
- a complex mixture of addition products with different degrees of ethoxylation is formed from n moles of ethylene oxide and one mole of alcohol, depending on the reaction conditions.
- a further embodiment of the alkoxylation consists in using mixtures of the alkylene oxides, preferably the mixture of ethylene oxide and propylene oxide.
- Preferred fatty alcohol ether sulfates are the sulfates of lower-ethoxylated fatty alcohols having 1 to 4 ethylene oxide units (EO), in particular 1 to 2 EO, for example 1.3 EO.
- the anionic surfactants are preferably used as sodium salts, but can also be present as other alkali metal or alkaline earth metal salts, for example magnesium salts, and in the form of ammonium or mono-, di-, tri- or tetraalkylammonium salts, in the case of sulfonates also in the form its corresponding acid, e.g. dodecylbenzenesulfonic acid.
- the mixture of WC stone ingredients as defined above contains at least one alkyl benzene sulfonic acid, preferably in the form of its sodium salt, in an amount of about 10 to 30% by weight, preferably about 20 to 25% by weight. in each case based on the total weight of said mixture.
- Nonionic surfactants within the scope of the invention can be alkoxylates such as polyglycol ethers, fatty alcohol polyglycol ethers, alkylphenol polyglycol ethers, end-capped polyglycol ethers, mixed ethers and hydroxy mixed ethers and fatty acid polyglycol esters.
- ethylene oxide/propylene oxide block polymers fatty acid alkanolamides, and fatty acid polyglycol ethers.
- Another important class of nonionic surfactants which can be used according to the invention are the polyol surfactants and here in particular the glycosurfactants such as alkyl polyglycosides and fatty acid glucamides.
- the alkyl polyglycosides, in particular the alkyl polyglucosides, and above all the fatty alcohol alkoxylates (fatty alcohol polyglycol ethers) are particularly preferred.
- Preferred fatty alcohol alkoxylates are ethylene oxide (EO) and/or propylene oxide (PO) alkoxylated, unbranched or branched, saturated or unsaturated Cs-22 alcohols with a degree of alkoxylation up to 30, preferably ethoxylated C 2-22 fatty alcohols with a degree of ethoxylation of less than 30 , preferably 12 to 28, in particular 20 to 28, particularly preferably 25, for example cis-is fatty alcohol ethoxylates with 25 EO.
- EO ethylene oxide
- PO propylene oxide
- Alkyl polyglycosides are surfactants which can be obtained by reacting sugars and alcohols using the relevant methods of preparative organic chemistry, resulting in a mixture of monoalkylated, oligomeric or polymeric sugars, depending on the type of preparation.
- Preferred alkyl polyglycosides are the alkyl polyglucosides, with the alcohol particularly preferably being a long-chain fatty alcohol or a mixture of long-chain fatty alcohols with branched or unbranched Cs to Cis-alkyl chains and the degree of oligomerization (DP) of the sugars between 1 and 10, preferably 1 to 6, in particular 1.1 to 3, extremely preferably 1.1 to 1.7, for example Cs-w-alkyl-1,5-glucoside (DP of 1.5).
- the alcohol particularly preferably being a long-chain fatty alcohol or a mixture of long-chain fatty alcohols with branched or unbranched Cs to Cis-alkyl chains and the degree of oligomerization (DP) of the sugars between 1 and 10, preferably 1 to 6, in particular 1.1 to 3, extremely preferably 1.1 to 1.7, for example Cs-w-alkyl-1,5-glucoside (DP of 1.5).
- Fatty alcohol ethoxylates are preferably used in amounts of up to 20% by weight, particularly preferably 4 to 12% by weight, particularly preferably 7 to 9% by weight.
- other nonionic surfactants such as fatty acid monoalkanolamides and/or alkyl polyglycosides, can be present in amounts of up to 10% by weight.
- the mixture can also contain cationic surfactants and/or amphoteric or zwitterionic surfactants.
- Suitable amphoteric surfactants are, for example, betaines of the formula (R"')(R iv )(R v )N + CH2COO-, in which R'" is an alkyl radical which is optionally interrupted by heteroatoms or heteroatom groups and has 8 to 25, preferably 10 to 21, carbon atoms and R iv and R v are identical or different alkyl radicals having 1 to 3 carbon atoms, in particular Cw-Cis-alkyl dimethylcarboxymethyl betaine and Cn-Ci7-alkylamidopropyl-dimethylcarboxymethyl betaine.
- Suitable cationic surfactants include the quaternary ammonium compounds of the formula (R vi )(R vii )(R viii )(R ix )N + X', where R vi to R ix are four identical or different, in particular two long- and two short-chain alkyl radicals and X- is an anion, especially a halide ion, for example didecyl dimethyl ammonium chloride, alkyl benzyl didecyl ammonium chloride and mixtures thereof. Quaternary ammonium compounds with an antimicrobial effect are preferred.
- a total of no more than 60% by weight of other ingredients is present, preferably 0.01 to 60% by weight, in particular 0.2 to 15% by weight, based in each case on the total weight of the mixture obtained in step a).
- the mixture of toilet block ingredients according to step a) can contain one or more acids and/or their salts.
- the acids are preferably produced from renewable raw materials.
- Organic acids such as formic acid, acetic acid, citric acid, glycolic acid, lactic acid, succinic acid, adipic acid, malic acid, tartaric acid and gluconic acid and mixtures thereof are therefore particularly suitable as acids.
- the inorganic acids hydrochloric acid, sulfuric acid, phosphoric acid and nitric acid or amidosulfonic acid or mixtures thereof can also be used.
- the acids and/or their salts are particularly preferably selected from the group consisting of citric acid, lactic acid, formic acid, their salts and mixtures thereof. They are preferably used in amounts of 0.01 to 10% by weight, particularly preferably 0.2 to 5% by weight.
- inorganic salts can be present in the mixture, preferably alkali metal or alkaline earth metal salts, in particular carbonates, sulfates, halides or phosphates, and mixtures thereof.
- Sodium sulfate and/or sodium carbonate are particularly preferably used.
- Sodium sulphate can be present in an amount of up to 60% by weight, preferably 0.01 to 60% by weight, particularly preferably 20 to 60% by weight, in particular 35 to 55% by weight.
- Sodium carbonate and other salts can be present in an amount of up to 30% by weight, preferably up to 10% by weight, particularly preferably up to 5% by weight.
- alkalis can be included.
- the bases used are preferably those from the group of alkali metal and alkaline earth metal hydroxides and carbonates, in particular sodium carbonate or sodium hydroxide.
- ammonia and/or alkanolamines having up to 9 carbon atoms in the molecule preferably the ethanolamines, in particular monoethanolamine.
- the mixture obtained according to step a) of the method according to the invention therefore contains one or more antimicrobial active ingredients, preferably in an amount of 0.01 to 5 wt. %, preferably 0.02 to 4% by weight, in particular 0.1 to 3.5% by weight, particularly preferably 0.5 to 3% by weight, based in each case on the total weight of the mixture.
- disinfection in the narrower sense of medical practice means killing - theoretically all - infectious germs
- sanitation means the greatest possible elimination of all - including the saprophytic germs that are normally harmless to humans.
- the extent of the disinfection or sanitation depends on the antimicrobial effect of the agent used, which decreases with a decreasing content of antimicrobial active ingredient or increasing dilution of the agent for use.
- Suitable according to the invention are, for example, antimicrobial active ingredients from the groups of alcohols, aldehydes, antimicrobial acids and their salts, carboxylic acid esters, acid amides, phenols, phenol derivatives, diphenyls, diphenylalkanes, urea derivatives, oxygen and nitrogen acetals and formals, benzamidines, isothiazoles and their Derivatives such as isothiazolines and isothiazolinones, phthalimide derivatives, pyridine derivatives, antimicrobial surface-active compounds, guanidines, antimicrobial amphoteric compounds, quinolines, 1,2-dibromo-2,4-dicyanobutane, iodo-2-propynyl-butyl carbamate, iodine, iodophors, active chlorine-releasing compounds and peroxides.
- antimicrobial active ingredients from the groups of alcohols, aldehydes, antimicrobial acids and
- Preferred antimicrobial agents are preferably selected from the group comprising ethanol, n-propanol, i-propanol, 1,3-butanediol, phenoxyethanol, 1,2-propylene glycol, glycerol, undecylenic acid, citric acid, lactic acid, benzoic acid, salicylic acid, thymol, 2- Benzyl-4-chlorophenol, 2,2'-methylene-bis(6-bromo-4-chlorophenol), 2,4,4'-trichloro-2'-hydroxydiphenyl ether, N-(4-chlorophenyl)-N-( 3,4-dichlorophenyl)urea, N,N'-(1,10-decanediyldi-1 -pyridinyl-4-ylidene)bis(1 -octanamine)dihydrochloride, N,N'-bis(4- chlorophenyl)-3,12-diimino-2,
- Preferred antimicrobial surface-active quaternary compounds contain an ammonium, sulfonium, phosphonium, iodonium or arsonium group. Furthermore, essential oils with an antimicrobial effect can also be used, which at the same time ensure that the cleaning agent is scented.
- particularly preferred antimicrobial agents are selected from the group consisting of salicylic acid, quaternary surfactants, especially benzalkonium chloride, peroxo compounds, especially sodium percarbonate, phthalimidoperoxyhexanoic acid or hydrogen peroxide, alkali metal hypochlorite, trichloroisocyanuric acid, sodium dichloroisocyanurate and mixtures thereof. Sodium dichloroisocyanurate is very particularly preferred here. preservatives
- Preservatives may also be included. As such, essentially the substances mentioned for the antimicrobial agents can be used.
- Complexing agents are ingredients that are able to complex and inactivate metal ions in order to prevent their adverse effects on the stability or the appearance of the agents, for example turbidity. On the one hand, it is important to complex the calcium and magnesium ions of the water hardness, which are incompatible with numerous ingredients. On the other hand, the complexation of the ions of heavy metals such as iron or copper delays the oxidative decomposition of the finished product. In addition, the complexing agents support the cleaning effect.
- toilet block ingredients are polymers. These can be used, for example, to reduce limescale formation and the tendency to become soiled again (so-called soil repellent polymers). to serve.
- Preferred polymers are acrylic polymers, such as those commercially available from Rhodia under the trade name Mirapol.
- One or more colorants can be included as further ingredients.
- Both water-soluble and oil-soluble dyes can be used as dyes, whereby on the one hand the compatibility with other ingredients, for example bleaches, must be taken into account and on the other hand the dye used should not have a substantive effect on the toilet ceramic even after prolonged exposure.
- a water-soluble dye which colors the rinsing water can be preferred, with a blue color being preferred.
- the flushing water colored with this dye remains in sufficient concentration in the toilet sump, ie in the rest of the flushing water remaining in the toilet bowl, after the actual flushing process has ended, in order to give it a color, preferably blue.
- the dyes are preferably present in an amount of 0.0001 to 0.1% by weight, in particular 0.0005 to 0.05% by weight, particularly preferably 0.001 to 0.01% by weight.
- malodor repellents active ingredients for preventing or reducing bad smells. These are usually substances that adsorb, complex, oxidize or form inclusion compounds with the volatile substances that produce the bad odor, so that they are olfactorily inactivated (so-called deodorants), or fragrances with their own odor mask the annoying bad odor and neutralize it in this way (so-called odor improvers).
- water-soluble and/or water-insoluble builders can be contained in the agents produced according to the invention.
- Water-soluble builders are preferred because they tend to be less likely to leave insoluble residues on hard surfaces.
- Customary builders that can be present in the context of the invention are the low molecular weight polycarboxylic acids and their salts, the homopolymeric and copolymeric polycarboxylic acids and their salts, citric acid and its salts, the carbonates, phosphates and silicates.
- Water-insoluble builders include the zeolites, which can also be used, as well as mixtures of the aforementioned builders.
- Bleaching agents can also be used according to the invention.
- Suitable bleaching agents include peroxo compounds, in particular peroxides, peracids, percarbonates and/or perborates, sodium percarbonate, phthalimidoperoxyhexanoic acid or hydrogen peroxide being particularly preferred.
- Alkali metal hypochlorites such as sodium hypochlorite, on the other hand, are acidic less suitable for formulated cleaning agents due to the release of toxic chlorine gas vapors, but can be used in alkaline cleaning agents.
- trichloroisocyanuric acid and in particular sodium dichloroisocyanurate are also suitable in addition to the bleach.
- Suitable corrosion inhibitors are, for example, the following substances named according to INCI: cyclohexylamine, diammonium phosphate, dilithium oxalate, dimethylaminomethylpropanol, dipotassium oxalate, dipotassium phosphate, disodium phosphate, disodium pyrophosphate, disodium tetrapropenyl succinate, hexoxyethyl diethylammonium, phosphate, nitromethane, potassium Silicates, Sodium Aluminate, Sodium Hexametaphosphate, Sodium Metasilicate, Sodium Molybdate, Sodium Nitrite, Sodium Oxalate, Sodium Silicate, Stearamidopropyl Dimethicone, Tetrapotassium Pyrophosphate, Tetrasodium Pyrophosphate, Triisopropanolamine.
- rinsing regulators primarily serve to control the consumption of the agents during use in such a way that the intended service life is maintained.
- Suitable regulators are preferably solid, long-chain fatty acids, such as stearic acid, but also salts of such fatty acids, fatty acid ethanolamides, such as coconut fatty acid monoethanolamide, or solid polyethylene glycols, such as those with molecular weights between 10,000 and 50,000.
- an active ingredient to reduce stickiness can be added to the mixture.
- the addition of dolomite powder or titanium dioxide powder with a fine particle size distribution improves the processing behavior during ball molding and significantly reduces abrasion and stickiness.
- the results with such active substances are better than with other usual measures, for example coating the balls with a lubricant, powdering or coating the mold rollers with Teflon.
- enzymes preferably proteases, lipases, amylases, hydrolases and/or cellulases. They can be added in any form established in the prior art. These include solutions of the enzymes, advantageously as concentrated as possible, low in water and/or mixed with stabilizers.
- the enzymes can be encapsulated, for example by spray drying or extrusion of the enzyme solution together with a, preferably natural, polymer or in the form of capsules, for example those in which the Enzymes are encapsulated as in a set gel or in the core-shell type in which an enzyme-containing core is coated with a water, air and/or chemical impermeable protective layer.
- Additional active substances for example stabilizers, emulsifiers, pigments, bleaching agents or dyes, can also be applied in superimposed layers.
- additional active substances for example stabilizers, emulsifiers, pigments, bleaching agents or dyes
- granules for example due to the application of polymeric film formers, produce little dust and are stable in storage due to the coating.
- enzyme stabilizers can be present in agents containing enzymes in order to protect an enzyme contained in an agent according to the invention from damage such as, for example, inactivation, denaturation or decomposition, for example due to physical influences, oxidation or proteolytic cleavage.
- enzyme stabilizers are: benzamidine hydrochloride, borax, boric acids, boronic acids or their salts or esters, especially derivatives with aromatic groups, such as substituted phenylboronic acids or their salts or esters; Peptide aldehydes (oligopeptides with a reduced C-terminus), amino alcohols such as mono-, di-, triethanolamine and -propanolamine and mixtures thereof, aliphatic carboxylic acids up to C12, such as succinic acid, other dicarboxylic acids or salts of the acids mentioned; end-capped fatty acid amide alkoxylates; lower aliphatic alcohols and especially polyols, for example glycerol, ethylene glycol, propylene glycol or sorbitol; and reducing agents and antioxidants such as sodium sulfite and reducing sugars.
- Peptide aldehydes oligopeptides with a reduced C-terminus
- amino alcohols such as mono-, di
- stabilizers are known from the prior art.
- Combinations of stabilizers are preferably used, for example the combination of polyols, boric acid and/or borax, the combination of boric acid or borate, reducing salts and succinic acid or other dicarboxylic acids or the combination of boric acid or borate with polyols or polyamino compounds and with reducing salts.
- the inner mass can have a higher perfume concentration than the outer one in order to ensure a constant scent impression over the period of use as the ball mass decreases, or the inner mass contains a different fragrance than the outer one.
- toilet blocks produced according to the invention In embodiments in which the production of multi-layer spherical toilet blocks is provided, at least two different mixtures of toilet block ingredients are provided in a step a) according to the invention and fed in according to step b).
- the extrusion is then a co-extrusion of the at least two different mixtures, which then, as described and defined herein, are fed to the deformation according to step c) of the method according to the invention in order in this way to obtain multilayer spherical bodies.
- the spherical toilet blocks produced in a method according to the invention are rotationally symmetrical, in particular spherical.
- the toilet blocks produced according to the invention have a sphericity 1 between 0.8 and 1, in particular between 0.85 and 1, particularly preferably between 0.9 and 1.
- the sphericity T of a body K is the ratio of the surface area of the body to the surface area of a sphere of equal volume: where V P denotes the volume of the body and A P denotes its surface area.
- the almost ideal spherical shape of the toilet cleaning block results in a uniform rinsing of the toilet cleaning block in such a way that the toilet cleaning block essentially retains its spherical shape even during or after the rinsing processes and a corresponding removal of the toilet cleaning block. It has been shown that, in particular, a high sphericity 1 of the toilet cleaning block at the beginning of the application of flushing water is decisive for maintaining the spherical shape during and after the flushing processes.
- the malleability of the mass and thus the possibility of optimal rounding can be adjusted by adding a small amount of liquid.
- water, dipropylene glycol or paraffin can be used as liquids in an amount of 0.1 to 1% by weight.
- the diameter of the spherical toilet block is preferably between 1 mm and 10 cm, preferably between 5 mm and 5 cm, particularly preferably between 1 cm and 3 cm.
- the present invention relates to spherical toilet blocks produced in a method as defined and described above. Furthermore, the present invention also relates to a method for cleaning and/or scenting and/or disinfecting flush toilets using one or more spherical toilet blocks, produced as described herein and as defined above.
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- Oil, Petroleum & Natural Gas (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20212647.0A EP4011406A1 (de) | 2020-12-09 | 2020-12-09 | Kontinuierlicher formprozess von kugelförmigen wc-steinen |
| PCT/EP2021/084901 WO2022122869A1 (de) | 2020-12-09 | 2021-12-09 | Kontinuierlicher formprozess von kugelförmigen wc-steinen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4259767A1 true EP4259767A1 (de) | 2023-10-18 |
| EP4259767B1 EP4259767B1 (de) | 2025-09-10 |
Family
ID=73789858
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20212647.0A Withdrawn EP4011406A1 (de) | 2020-12-09 | 2020-12-09 | Kontinuierlicher formprozess von kugelförmigen wc-steinen |
| EP21819155.9A Active EP4259767B1 (de) | 2020-12-09 | 2021-12-09 | Kontinuierlicher formprozess von kugelförmigen wc-steinen |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20212647.0A Withdrawn EP4011406A1 (de) | 2020-12-09 | 2020-12-09 | Kontinuierlicher formprozess von kugelförmigen wc-steinen |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP4011406A1 (de) |
| ES (1) | ES3041668T3 (de) |
| PL (1) | PL4259767T3 (de) |
| WO (1) | WO2022122869A1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE466987C (de) * | 1922-03-23 | 1929-02-19 | Bohumil Jirotka | Verfahren zur Herstellung von Formstuecken aus breiigen oder knetbaren Massen, insbesondere aus Torfmassen |
| DE4439677A1 (de) | 1994-11-07 | 1996-05-09 | Henkel Kgaa | Reinigungsmittelstück für Spültoiletten |
| DE102010043848A1 (de) | 2010-11-12 | 2012-05-16 | Henkel Ag & Co. Kgaa | Kugelförmige WC-Steine auf Aniontensidbasis |
| DE102015215135A1 (de) * | 2015-08-07 | 2017-02-09 | Henkel Ag & Co. Kgaa | WC-Stein und WC-Körbchen |
| BE1024283B1 (fr) * | 2016-10-10 | 2018-01-12 | Universite De Liege | Appareillage pour la production en continu de formes orales solides |
| PL3628726T3 (pl) * | 2018-09-27 | 2025-12-01 | Henkel Ag & Co. Kgaa | Kostka toaletowa zawierająca dwie różne kompozycje |
-
2020
- 2020-12-09 EP EP20212647.0A patent/EP4011406A1/de not_active Withdrawn
-
2021
- 2021-12-09 WO PCT/EP2021/084901 patent/WO2022122869A1/de not_active Ceased
- 2021-12-09 PL PL21819155.9T patent/PL4259767T3/pl unknown
- 2021-12-09 ES ES21819155T patent/ES3041668T3/es active Active
- 2021-12-09 EP EP21819155.9A patent/EP4259767B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4011406A1 (de) | 2022-06-15 |
| ES3041668T3 (en) | 2025-11-13 |
| PL4259767T3 (pl) | 2026-02-02 |
| WO2022122869A1 (de) | 2022-06-16 |
| EP4259767B1 (de) | 2025-09-10 |
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