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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/12—Water-insoluble compounds
  • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
  • C11D3/1246—Silicates, e.g. diatomaceous earth
  • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
• • 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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/12—Water-insoluble compounds
  • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
  • C11D3/1246—Silicates, e.g. diatomaceous earth
  • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
  • C11D3/1273—Crystalline layered silicates of type NaMeSixO2x+1YH2O
• • 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
  • C11D1/02—Anionic compounds
• • 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
  • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
• • 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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/37—Polymers

Definitions

• the invention relates to a layered silicate-containing detergent and cleaning agent component, its use for the production of detergent ingredients and detergent ingredients, which the aforementioned layered silicate-containing detergent and cleaning agent component contain.
• Crystalline layered sodium silicates (layered silicates) of the formula NaMSi x O 2 ⁇ yH 2 O, where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20 and preferred values for x 2, 3 or 4, have proven to be suitable substitutes for the builders phosphate and zeolite.
• M sodium or hydrogen
• x is a number from 1.9 to 4
• y is a number from 0 to 20 and preferred values for x 2, 3 or 4
• Preferred crystalline layered silicates are those in which M is sodium and x is 2 or 3.
• Preferred substitutes are both ⁇ - and ⁇ -sodium disilicate (Na 2 Si 2 O 5 .yH 2 O), wherein ⁇ -sodium disilicate can be obtained, for example, by the process of PCT / WO 91/08171.
• ⁇ -sodium disilicate is under the name SKS 7 and ⁇ -sodium disilicate is under the Designation SKS 6 commercially available (commercial products from Clariant GmbH, Frankfurt). These powders generally have a bulk density below 600 g / l and have a high proportion of fine grains. They usually contain more than 30% by weight of particles with a particle size below 150 ⁇ m.
• a washing and layered silicate To provide detergent component that has a high absorption capacity for other detergent ingredients without the flow factor dropping too far and at the same time after taking up the detergent ingredients to form a detergent ingredient leads, which contains layered silicates as an essential component.
• the resulting detergent component should also have the highest possible bulk density and a sufficient have a large flow factor.
• a detergent and cleaning agent component containing layered silicate of the type mentioned characterized in that it has a bulk density of less than 540 g / l, an average particle diameter of more than 150 ⁇ m, one Grain content below 150 ⁇ m of less than 10%, a grain content above 1180 ⁇ m of less than 2% and a flow factor of more than 15.
• the average particle diameter is preferably more than 400 ⁇ m.
• the grain fraction below 150 ⁇ m is preferably less than 5%.
• the grain fraction above 1180 ⁇ m is preferably less than 2%.
• the flow factor is preferably more than 20.
• the invention also relates to the use of the aforementioned sheet silicates Detergent and cleaning agent component for the production of detergent components.
• the detergent ingredients are preferably anionic, cationic and / or nonionic surfactants. Usual liquid detergent ingredients can can also be used.
• anionic surfactants are preferred in the acidic and in the neutralized form used.
• liquid detergent ingredients are preferably polycarboxylates, Soil release polymers, polyvinyl pyrrolidone and / or silicones.
• the detergent component preferably has a bulk density of more than 540 g / l, one average particle diameter of more than 360 ⁇ m, a grain fraction below 150 ⁇ m of less than 2%, a grain fraction of above 1180 ⁇ m of less than 10% and a flow factor of more than 4.
• the average particle diameter is preferably more than 500 ⁇ m.
• the flow factor is preferably more than 8.
• the ingredients used in detergents have different functions.
• the firm Silicates are used for water softening. Soda and sodium bicarbonate buffer the alkalinity the wash liquor. Surfactants, which are often used in liquid form, are used to remove dirt. Bleaching substances such as perborate, percarbonates or organic oxygen carriers and Bleach activators or catalysts such as tetraacetyl diamine or certain manganese complexes serve to remove stains. Support enzymes such as proteases, amylases and lipases the dirt removal. Soil release polymers, cellulases, carboxymethyl cellulose and Polyvinylpyrrolidone serve to protect the fibers and colors. Reinforce optical brighteners the optical white impression of the laundry.
• Layered sodium silicates of the general formula Na 2 Si x O 2x + 1 yH 2 O in which x is a number from 1.9 to 4 and y is a number from 0 to 20 can be used.
• a disodium disilicate which crystallizes in the ⁇ phase and is available from Clariant GmbH, Frankfurt under the name SKS-6 is particularly preferred.
• Disodium disilicates which are crystallized in the so-called beta form are also particularly suitable.
• layered silicates such as Potassium, calcium and magnesium doped Layered silicates as they are called in EP 0 267 371 A1 and EP 0 550 048 A1 or Potassium-doped layered silicates according to PCT / WO 96/01307 can be used.
• Sodium phyllosilicates in which x is approximately 8, 14 or 20 to 22 and whose crystal structure is derived from ilerite, magadiite or kenyaite are particularly preferred.
• Nonionic surfactants of the ethoxylated fatty alcohol type and are particularly suitable Alkyl polyglycosides or anionic surfactants of the sulfonate type. Other liquid ones too Surfactants can be used in the context of the invention.
• the nonionic surfactants used are preferably alkorylated, advantageously ethoxylated, in particular primary alcohols with preferably 8 to 18 carbon atoms and an average of 1 to 12 moles of ethylene oxide per mole of alcohol in which the alcohol residue can be linear or branched, saturated or unsaturated or linear and branched, saturated or unsaturated residues may be contained in the mixture, as they are usually present in oxo alcohol residues.
• Alkyl glycosides of the general formula RO (G) x can preferably be used, in which R is a primary straight-chain or methyl-branched, in particular methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18 carbon atoms and G is a glycose unit with 5 or 6 carbon atoms, preferably for glucose.
• the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is any number between 1 and 10; x is preferably 1.2 to 1.4.
• nonionic surfactants which are used either as nonionic surfactant or in combination with other nonionic surfactants, in particular can be used together with alkoxylated fatty alcohols are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably with 1 to 4 carbon atoms in the alkyl chain, in particular fatty acid methyl ester, as described for example in JP 58/217598 or those according to the method described in PCT / WO A 90/13533.
• Nonionic surfactants of the amine oxide type can also be suitable.
• glucamides which are polyhydroxy fatty acid amides of the formula R 2 -CO-N (R 3 ) -Z, in which R 2 CO for an aliphatic acyl radical having 6 to 22 carbon atoms, R 3 for hydrogen, an alkyl or hydroxyalkyl radical 1 to 4 carbon atoms and Z represents a linear or branched polyhydroxyalkyl radical having 3 to 10 carbon atoms and 3 to 10 hydroxyl groups.
• the polyhydroxy fatty acid amides are known substances which are reductive Amination of a reducing sugar with ammonia, an alkylamine or a Alkanolamine and subsequent acylation with a fatty acid, a fatty acid alkyl ester or a fatty acid chloride can be obtained.
• Preferred anionic surfactants of the sulfonate type are C 9 -C 13 alkylbenzenesulfonates, alpha-olefin sulfonates and alkanesulfonates.
• Esters of sulfofatty acids and the disalts of alpha-sulfofatty acids are also suitable.
• Other suitable anionic surfactants are sulfonated fatty acid glycerol esters, which are mono-, di- and triesters and their mixtures, such as those produced by esterification by 1 mol of monoglycerol with 1 to 3 mol of fatty acid or in the transesterification of triglycerides with 0.3 to 2 Moles of glycerol can be obtained.
• Particularly suitable alkyl sulfates are the sulfuric acid monoesters of the C 12 -C 18 fatty alcohols, such as lauryl, myristyl, cetyl or stearyl alcohol, and the fatty alcohol mixtures obtained from coconut oil, palm and palm kernel oil, which also contain fractions of unsaturated alcohols, for example oleyl alcohol , can contain.
• Soaps are particularly suitable as further anionic surfactants.
• saturated fatty acid soaps such as the salts of lauric acid, myristic acid, palmitic acid, Stearic acid, hydrogenated erucic acid and behenic acid and especially those from natural Fatty acids, for example coconut, palm kernel or tallow fatty acid derived soap mixtures.
• the anionic surfactants can be in the form of their sodium, potassium or ammonium salts as well as soluble salts of organic bases, such as mono-, di- or triethanolamine.
• the anionic surfactants are preferably in the form of their sodium or potassium salts, especially in the form of the sodium salts.
• the anionic surfactants can preferably be used as free acid or as mixtures of acid and salt.
• the flowability of bulk goods can be characterized using the ff c value.
• the flow properties are measured in a ring shear device.
• a material sample is solidified in the cylindrical ring measuring chamber under the action of tension and simultaneous rotation of the chamber bottom against the chamber cover.
• Driver plates are attached to the chamber bottom and cover for better power transmission.
• the tension is then determined at which the material is just sheared by the torsional movement. This is described by D. Schulze in Chem.-Ing.-Techn. 67 (1995) 60-68.
• the ff c value is equal to the quotient of the strengthening stress Sigma 1 by the bulk strength Sigma c .
• ff c values from 2 to 4 cohesive bulk goods, values from 4 to 10 easily flowing and values above 10 free flowing products.
• the Raw materials have a number of advantageous properties.
• Both the detergent itself corresponds to the sum of all ingredients
• the intermediate stages in production must have a sufficiently high flow factor to ensure good handling of detergent production and on the way to and with the consumer.
• Under good handling means for example, the easy transportation of the material at the Production (free-flowing), the avoidance of clumping and caking at the Production and finally also in the final packaging.
• a particle size as uniform as possible, that of the final detergent as possible should come close is a prerequisite for good flowability of the material.
• Trouble-free and safe handling is also one of the solid detergent raw materials low content of particles with a very small particle diameter. All in all the flowability, characterized by the flow factor, has a considerable influence the manageability of the material.
• SKS-6 powder is placed in a ploughshare mixer from Lödige.
• An aqueous solution of a polycarboxylate (commercial product W74454 "from Stockhausen, Krefeld). The product is dried in a warm air drying cabinet at 110 ° C.
• a layered silicate-containing detergent and cleaning agent component with an SKS-6 content of 86.6% by weight, a polycarboxylate Content of 9.7% by weight and a hydrate water content of 3.7% by weight were obtained.
• a detergent component is produced from 3.0 kg of coarse-grained SKS-6 powder from Example 3 and 1.0 kg of ®APG 600 UP and 1.0 kg of ®Dehydol LT 7.
• the material has an ff c value of 8.
• the further analysis data are listed in Table 1.
• Example 2 In a Hobart mixer, a full detergent based on the detergent ingredient of Example 2 prepared by the components listed in Table 2 were successively mixed together. The composition of the obtained Detergent is listed in Table 2.
• test fabrics these are in particular a cotton terry (Vossen), each a double-ribbed cotton and standard cotton fabric from the Krefeld laundry test company GmbH and a standard cotton fabric from the Eidgenössische Materialprüfweg St. Gallen, Switzerland, additional laundry ballast (3.75 kg) is added. After 15 washes a sample of each of the tissues and this in a muffle furnace at a Ashes temperature 1000 ° C and a period of 24 hours.
• a heavy-duty detergent based on the detergent component was mixed in a Hobart mixer of Example 4 prepared by the components listed in Table 2 were successively mixed together.
• the composition of the detergent is in Table 2 listed.
• this test detergent is used in a household washing machine washed test fabric. After 15 washes, the mean value of the ash values of the individual fabrics is determined at 1.97%.
• Example 1 SKS-6 powder and a polycarboxylate solution become one Obtained layered silicate detergent component.
• the further analysis data are listed in Table 1.
• a detergent component is produced in a Hobart mixer from 4 kg of detergent and cleaning agent components containing phyllosilicate (from Example 7) and 1 kg of non-ionic surfactant ®Genapol OA 080.
• the material has an ff c value of 5.2.
• the further analysis data are listed in Table 1.
• Example 2 3.25 kg of SKS-6 from Example 3 and 1.75 kg of ®Marlon A 365 are mixed and dried at 110 ° C. The material has an ff c value of 5.2.
• the further analysis data are listed in Table 1.
• Example 2 3.25 kg of SKS-6 from Example 3 and 520 g of HLAS (96.6% by weight of active substance) are mixed and dried at 110 ° C. The material has an ff c value of 4.4.
• the further analysis data are listed in Table 1.
• an SKS-6 surfactant compound is produced from fine-grain SKS-6 powder from Example 7.
• An ff c value of 2.8 is measured, which means that this surfactant compound has a much poorer flow than the detergent component from Example 2.

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• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Crystallography & Structural Chemistry (AREA)
• Detergent Compositions (AREA)

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• 1997
  • 1997-12-19 DE DE19756696A patent/DE19756696A1/de not_active Withdrawn
• 1998
  • 1998-12-01 EP EP98122765A patent/EP0928827A1/fr not_active Withdrawn
  • 1998-12-16 US US09/213,657 patent/US6300303B1/en not_active Expired - Fee Related
  • 1998-12-17 JP JP10359603A patent/JPH11256197A/ja not_active Withdrawn
  • 1998-12-19 KR KR1019980056367A patent/KR19990063237A/ko not_active Application Discontinuation

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