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
  • C11D3/16—Organic compounds
  • C11D3/162—Organic compounds containing Si
• • 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
  • C11D17/0034—Fixed on a solid conventional detergent ingredient
• • 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
  • C11D3/0005—Other compounding ingredients characterised by their effect
  • C11D3/0063—Photo- activating 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
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/06—Phosphates, including polyphosphates
• • 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
  • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
• • 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
  • C11D3/40—Dyes ; Pigments
• • 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
  • C11D3/40—Dyes ; Pigments
  • C11D3/42—Brightening agents ; Blueing agents

Definitions

• the present invention relates to a detergent compound based on polyphosphate, of a product chosen from the group comprising siliconates, siliconate derivatives and silicone resins and of a substance intended to be distributed uniformly over a washing room as well as its preparation. It also relates to the detergent use of this compound.
• Detergent compositions in the form of powder in particular contain in addition to their usual constituents of the builders or surfactants type, many additives such as dyes, optical brighteners, photobleaching agents, softening agents, antiseptic agents, etc.
• the main object of the invention is therefore a means or a system making possible the homogeneous distribution of a detergent additive on the article to be washed, this whatever the type of washing used.
• a second object of the invention is the preparation of such a system.
• the detergent compound according to the invention is characterized in that it comprises an at least partially hydrated polyphosphate, this polyphosphate incorporating or supporting at least one substance intended to be distributed uniformly over the part to be washed and a product chosen from the group comprising siliconates, siliconate derivatives and silicone resins.
• the process for preparing the detergent compound consists in mixing with the anhydrous or partially hydrated polyphosphate an aqueous solution comprising the substance and the aforementioned product.
• the invention relates to a detergent composition which is characterized in that it comprises a detergent compound of the above type or prepared by the process described above.
• the detergent compound defined above ensures a delayed release of the additive, and thus makes it possible to reduce the risks of additive - laundry contact. It therefore provides a completely homogeneous distribution of this additive on the laundry and this even for hand washing in a bowl. In addition, this presentation of the additive makes it possible to impart a visual effect to the washing powder if necessary.
• the detergent compound according to the invention therefore consists of three types of elements, namely an at least partially hydrated polyphosphate incorporating or supporting on the one hand, at least one substance intended to be uniformly distributed over a part to be washed (called in the rest of the description "the substance”), and on the other hand a product chosen from siliconates, siliconate derivatives and silicone resins, (called in the rest of the description "the product”).
• the detergent compound has the following particular structure:
• the aforementioned substance is located at least partly inside or at the heart of the polyphosphate-based support grain.
• the aforementioned product is located at least partially on the surface of said support or is adsorbed thereon.
• the optimum embodiment is that for which all of the above substance is placed inside the polyphosphate grain and all of the above product on the surface thereof or adsorbed thereon.
• any intermediate configuration can be envisaged without departing from the scope of the present invention, in which a part of the substance would be present on the surface of the polyphosphate and a part of the product would be located inside of it.
• the support based on polyphosphate can be composed of pyrophosphate or tripolyphosphate.
• TPP tripolyphosphate
• polyphosphate of the compound according to the invention is at least partially hydrated, that is to say that it has a hydration rate of at least 8% by weight.
• this hydration rate is at least 10%, preferably at least 15% and in particular between 15 and 18%.
• This hydration results from the process for preparing the compound. As will be described later, it is this water of hydration which makes it possible to introduce the substance into the heart of the support.
• the support must have a density of between 0.4 and 0.8 and preferably between 0.6 and 0.8.
• polyphosphate and in particular TPP in the form of particles, very difficultly absorbs water, which consequently hinders the introduction via water, substance at the heart of the particles, and that in sufficient quantity.
• the density of the support is less than 0.4, the compound is difficult to handle.
• particles are generally used whose average size is between 200 ⁇ m and 800 ⁇ m, and preferably between 600 ⁇ m and 700 ⁇ m. This particle size is recommended to obtain the optical effect described above, when the aforementioned substance is colored.
• TPP support Another preferred characteristic of the invention in the case of a TPP support is that it is in the form of phase 1.
• an alkaline polyphosphate More particularly, the sodium TPP is retained as a support according to the invention.
• the polyphosphate content is between 78 and 91.8% by weight, expressed as anhydrous polyphosphate and relative to the total weight of the detergent compound.
• Another constituent of the detergent compound according to the present invention is the substance intended to be distributed uniformly over a room to be washed. It is understood that the compound of the invention can comprise several substances of this type at the same time. Said substance can in particular be an optically active agent. This agent can be chosen from the group of optical brighteners, photobleaching agents, and dyes.
• compositions of stilbene, triazole and benzidine-sulfone in particular sulfonated substituted triazinyl-stilbene, naphthotriazole- sulfonated stilbene, benzidine-sulfone, etc., the most preferred being combinations of stilbene and triazole.
• porphine derivatives As photobleaching agents, mention may be made, inter alia, of porphine derivatives, but also the compounds described in French patent application FR-A- 2,564,481 in the name of RHONE-POULENC CHEMISTRY, the teaching of which is incorporated here in the present description and corresponding to the water-soluble salts or disels of the acid corresponding to the following general formula (1): and whose hydrogen atoms carried by the carbons marked 1 to 8 can be substituted in particular by atoms of Cl, Br and I.
• eosin "Yellow” but also 1,2-dibromo fluorescein, that is to say the dibromo salt or disel of formula (1), dibromo-3, 4 fluorescein, phloxin i.e. 1,2,3,4 tetrabromo-5,6,7,8 fluorescein, 1,2-diodo fluorescein, 3,4-diodo fluorescein and tétraiodo-1,2,3,4 tétrachloro-5,6,7,8 fluoresceine or "Rose Bengal”.
• 1,2-dibromo fluorescein that is to say the dibromo salt or disel of formula (1), dibromo-3, 4 fluorescein, phloxin i.e. 1,2,3,4 tetrabromo-5,6,7,8 fluorescein, 1,2-diodo fluorescein, 3,4-diodo fluorescein and tétraiodo
• E 100 curcumin
• E 102 thyroidrazine
• E 120 cochineal
• E 123 asmaranth
• E 127 erythrosine
• E 131 patternent blue
• E 132 indigotine
• E 140 chlororophylls
• a substance according to the invention belonging to the group of photobleaching agents, it is possible to choose a derivative of tetrabenzo-tetraazoporphine.
• TINOLUX BBS As a derivative of this type which can also be used in the context of the invention, mention may be made of TINOLUX BBS from the company CIBA-GEIGY.
• the content of substance intended to be distributed uniformly of the aforementioned type for example is generally 0.1 to 2% by weight relative to the total weight of the detergent compound.
• the detergent compound comprises a product chosen from siliconates, siliconate derivatives and silicone resins.
• Siliconates are well known products, they are salts of siliconic acid or its derivatives.
• R is a hydrocarbon residue generally of 1 to 18 carbon atoms, optionally substituted by a halogen atom, an amino group, ether, ester, epoxy, mercapto, cyano, (poly) glycol;
• n is an integer or fractional number varying between 0.1 and 3;
• M is an alkali metal or an ammonium or phosphonium group.
• R is a hydrocarbon residue of 1 to 10 carbon atoms and more particularly of 1 to 6 atoms.
• R can be an alkyl radical, for example methyl, ethyl, propyl, butyl, isobutyl; an alkenyl radical such as for example vinyl, an aryl radical, for example phenyl or naphthyl, an arylalkyl radical such as for example benzyl or phenyl-ethyl, alkylaryl such as for example tolyl, xylyl, or an araryl radical such as biphenylyl.
• alkyl radical for example methyl, ethyl, propyl, butyl, isobutyl
• an alkenyl radical such as for example vinyl
• an aryl radical for example phenyl or naphthyl
• an arylalkyl radical such as for example benzyl or phenyl-ethyl
• alkylaryl such as for example tolyl, xylyl, or an araryl radical such as biphenylyl.
• M there may be mentioned more particularly sodium or potassium as well as the groups N+R'4, P+R'4 in which R 'are identical or different and are hydrocarbon residues of 1 to 6 carbon atoms.
• alkaline siliconates are used.
• Alkaline earth siliconates can also be used.
• alkylsiliconates and in particular alkaline alkylsiliconates such as, for example, sodium or potassium methylsiliconates.
• alkali or alkaline earth siliconates are products, most of which are commercially available.
• silanes having 3 hydrolyzable groups such as halogen atoms, alkoxy radicals, followed by dissolution of the product obtained in a solution of a strong inorganic base in proportions such as there is at least one equivalent in base per atom of silicon (see for example US-A-2,441,422, US-A-2,441,423).
• hydrophobing agent can also be chosen from siliconate derivatives.
• derivative products is meant here the condensation products of the products corresponding in particular to formula (2) described above, or those resulting from the at least partial polymerization into silicone compounds or polymers.
• a third type of supported products which can be used in the context of the present invention is that of silicone resins.
• silicone resins are well-known branched organopolysiloxane polymers which are commercially available. They have, per molecule, at least two different units chosen from those of formula R3SiO0 , 5 (unit M), R2SiO (unit D), RSiO1 , 5 (unit T) and SiO2 (unit Q).
• radicals R are identical or different and are chosen from linear or branched alkyl radicals, vinyl, phenyl, trifluoro-3,3,3 propyl radicals.
• the alkyl radicals have 1 to 6 carbon atoms inclusive.
• alkyl radicals R of methyl, ethyl, isopropyl, tert-butyl and n-hexyl radicals.
• These resins are preferably hydroxylated and in this case have a weight content of hydroxyl group of between 0.1 and 10%.
• resins examples include MQ resins, MDQ resins, TD resins and MDT resins.
• Resins having a molecular mass of less than 25,000 can be used more particularly.
• the content of supported product and in particular of siliconate is generally from 0.1 to 2% by weight relative to the total weight of the detergent compound.
• the polyphosphate, and in particular the TPP, anhydrous or partially hydrated can be mixed in a single step with the aforementioned substance and product, at least one of these being provided in the form of an aqueous solution.
• Another variant of the process according to the invention consists in preparing the detergent compound in two mainly stages.
• the polyphosphate and in particular the TPP, anhydrous or partially hydrated, is mixed with the aforementioned substance and water is brought to this mixture for the hydration of the polyphosphate. You can do it by different methods.
• the polyphosphate, the water and the substance are mixed at the same time.
• the substance can be brought in the form of an aqueous solution and it is this solution which at least partially provides the necessary water.
• the water brought in at this stage penetrates into the polyphosphate grain and at the same time allows the introduction of the substance inside the grain itself.
• the second step consists in adding the above-mentioned product to the mixture obtained previously.
• the amount of water used in the first step represents at least 50% of the water used entirely in the process for the desired hydration rate of the polyphosphate.
• a maturing of each of the resulting mixtures is carried out.
• Such an operation ensures better diffusion of the water and of the constituents of the compound and promotes the crystallization of the water in the TPP particles thus treated.
• Ripening allows each mixture to cool because the hydration of TPP is an exothermic reaction. It is carried out by stirring each mixture obtained for a period of approximately 20 minutes in an atmosphere having a non-saturated vapor pressure.
• the detergent compound according to the invention finds its application as a constituent in any detergent application, in particular compositions of the powder type.
• these compositions can comprise a builder of the phosphate, polyphosphate, zeolite, silicate or carbonate type. They can also include surfactants, anionic, nonionic, cationic, amphoteric. They can also include bleaching agents of the perborate type, foam control agents, anti-deposition agents, fluorescent agents and all additives of the perfume, enzymes, sequestering, soluble polymers, dyes type for example.
• the content of detergent compound in a detergent composition is generally between 1 and 10% by weight.
• the mixing of the constituent elements of the compound was carried out thanks to the use of a laboratory mixer of 5 liters of useful capacity of LODIGE brand and of a laboratory sprayer.
• the detergent powder was obtained by mixing 5% by weight of the compound according to the invention with a detergent reconstituted in the laboratory according to French standard NF C73171.
• washing powder containing 5% of the compound according to the invention are spread over the surface of the liquid.
• the tissue is taken out of the basin, rinsed for 30 seconds under the tap with tap water, then wrung out.
• a white cotton sample is brought into contact on the one hand with an aqueous solution of TINOLUX BBS alone and on the other hand, with an aqueous solution of the detergent compound according to the invention, for 20 minutes at 35 ° C.
• the difference between the measurements carried out gives the quantity of TINOLUX BBS absorbed on the tissue, in% compared to the quantity fixed in the case of the Tinolux solution alone, which serves as a reference.
• a maturing step is then carried out with stirring for 20 minutes in an unsaturated atmosphere.
• spectrophotometric measurements indicate that TINOLUX BBS is well fixed on cotton, and this at 85%.

Landscapes

• 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)
• Inorganic Chemistry (AREA)
• Detergent Compositions (AREA)

Applications Claiming Priority (2)

Publications (3)

Family

ID=9388286

Family Applications (1)

Country Status (3)

Cited By (6)

Families Citing this family (1)

Citations (6)

• 1989
  • 1989-12-08 FR FR8916242A patent/FR2655658B1/fr not_active Expired - Fee Related
• 1990
  • 1990-11-23 EP EP90403320A patent/EP0437988B1/de not_active Expired - Lifetime
  • 1990-11-23 DE DE69027523T patent/DE69027523D1/de not_active Expired - Lifetime

Patent Citations (6)

Also Published As

Similar Documents

Legal Events