EP1910460A1 - Compositions absorbant l'eau et inhibitrices des odeurs - Google Patents

Compositions absorbant l'eau et inhibitrices des odeurs

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Publication number
EP1910460A1
EP1910460A1 EP06777821A EP06777821A EP1910460A1 EP 1910460 A1 EP1910460 A1 EP 1910460A1 EP 06777821 A EP06777821 A EP 06777821A EP 06777821 A EP06777821 A EP 06777821A EP 1910460 A1 EP1910460 A1 EP 1910460A1
Authority
EP
European Patent Office
Prior art keywords
water
absorbing polymer
composition according
thiophosphoric triamide
absorbing
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.)
Withdrawn
Application number
EP06777821A
Other languages
German (de)
English (en)
Inventor
Volker Braig
Michael Marco
Patrick Deck
Oliver Huttenloch
Michael Mauss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Publication of EP1910460A1 publication Critical patent/EP1910460A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/5399—Phosphorus bound to nitrogen
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/20—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials
    • A61L2300/204—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials with nitrogen-containing functional groups, e.g. aminoxides, nitriles, guanidines

Definitions

  • the present invention relates to odor-preventing water-absorbing compositions comprising at least one water-absorbing polymer and at least one substituted thiophosphoric triamide, to processes for their preparation, and to hygiene articles and their preparation.
  • Water-absorbing polymers are, in particular, polymers of (co) polymerized hydrophilic monomers, graft (co) polymers of one or more hydrophilic monomers on a suitable graft base, crosslinked cellulose or starch ethers, crosslinked carboxymethylcellulose, partially crosslinked polyalkylene oxide or natural products swellable in aqueous liquids, such as guar derivatives, with water-absorbing polymers based on partially neutralized acrylic acid being preferred.
  • Such polymers are used as aqueous solution-absorbing products for making diapers, tampons, sanitary napkins, incontinence products and other sanitary articles, but also as water-retaining agents in agricultural horticulture.
  • WO-A-98/26808 describes absorbent compositions containing a liquid absorbent, an odor absorbent, and one or more of biocides, urease inhibitors and pH regulators.
  • WO-A-03/053486 discloses the use of Yucca extract as a urease inhibitor.
  • EP-A-0 739 635 describes absorbent compositions containing boric acid salts.
  • EP-A-1 034 800 describes the use of combinations of odor binder and oxidizer to avoid unpleasant odors
  • EP-A-1 214 878 teaches the use of metal chelates as urease inhibitors.
  • the object of the present invention was to provide improved water-absorbing compositions which reliably prevent unpleasant odors after being loaded with urine or other body fluids. Since the use of biocides in direct skin contact is problematic, the compositions must also have no significant biocidal effect.
  • Another object of the present invention was to provide odor-inhibiting water-absorbing compositions which are storage stable, i. the compositions should neither discolor on prolonged storage nor lose their odor-preventing effect.
  • compositions comprising at least one water-absorbing polymer and at least one substituted thiophosphoric acid triamide of the formula (I)
  • R is a d- to C3o-alkyl radical, preferably a C2 to Clo-alkyl radical, particularly preferably a C3 to Cs-alkyl radical.
  • the alkyl radicals may be branched or unbranched.
  • C 1 to C 10 -alkyl radicals are methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, isopentyl, n-hexyl, isohexyl, n -Heptyl, isoheptyl, n-octyl, isooctyl, n-nonyl, isononyl, n-decyl and isodecyl.
  • Very particularly preferred alkyl radicals are n-propyl and n-butyl.
  • composition according to the invention usually contains from 0.0001 to 5% by weight, preferably from 0.003 to 1% by weight, particularly preferably from 0.005 to 0.1% by weight, of the at least one substituted thiophosphoric triamide.
  • the at least one water-absorbing polymer is preferably a polymer based on a partially neutralized crosslinked acrylic acid.
  • the composition according to the invention usually contains at least 90% by weight, preferably at least 95% by weight, particularly preferably at least 99% by weight, of the at least one water-absorbing polymer.
  • the substituted thiophosphoric triamides of the formula (I) are obtained, for example, by reacting thiophosphoryl trichloride with alkylamine and ammonia.
  • the water-absorbing polymers are obtained, for example, by polymerization of a monomer solution containing
  • Suitable monomers a) are, for example, ethylenically unsaturated carboxylic acids, such as acrylic acid, methacrylic acid, maleic acid, fumaric acid and itaconic acid, or derivatives thereof, such as acrylamide, methacrylamide, acrylic esters and methacrylic acid esters. Particularly preferred monomers are acrylic acid and methacrylic acid. Very particular preference is given to acrylic acid.
  • hydroquinone half ethers are hydroquinone monomethyl ether (MEHQ) and / or tocopherols.
  • Tocopherol is understood as meaning compounds of the following formula
  • R 1 is hydrogen or methyl
  • R 2 is hydrogen or methyl
  • R 3 is hydrogen or methyl
  • R 4 is hydrogen or an acid radical having 1 to 20 carbon atoms.
  • Preferred radicals for R 4 are acetyl, ascorbyl, succinyl, nicotinyl and other physiologically acceptable carboxylic acids.
  • the carboxylic acids can be mono-, di- or tricarboxylic acids.
  • R 1 is particularly preferably hydrogen or acetyl. Especially preferred is RRR-alpha-tocopherol.
  • the monomer solution preferably contains at most 130 ppm by weight, more preferably at most 70 ppm by weight, preferably at least 10 ppm by weight, more preferably at least 30 ppm by weight, in particular by 50 ppm by weight, hydroquinone, in each case based on Acrylic acid, wherein acrylic acid salts are taken into account as acrylic acid.
  • an acrylic acid having a corresponding content of hydroquinone half-ether can be used.
  • the crosslinkers b) are compounds having at least two polymerizable groups which can be incorporated in the polymer network by free-radical polymerization.
  • Suitable crosslinkers b) are, for example, ethylene glycol dimethacrylate, diethylene glycol diacrylate, allyl methacrylate, trimethylolpropane triacrylate, triallylamine, tetraallyloxyethane, as described in EP-A-0 530 438, di- and triacrylates, as in EP-A-0 547 847, EP-A-0 559 476, EP-A-0 632 068, WO-A-93/21237, WO-A-03/104299, WO-A-03/104300, WO-A-03/104301 and DE-A-103 31 450, mixed acrylates which, in addition to acrylic lat groups contain further ethylenically unsaturated groups, as described in DE-A-103 31 456 and WO-A-04/013064,
  • Suitable crosslinkers b) are especially N, N'-Methylenbisacryiamid and N 1 N'-methylenebismethacrylamide, esters of unsaturated mono- or Poiycarbonklaren of polyols, such as diacrylate or triacrylate, for example butanediol or ethylene glycol di acrylate or methacrylate, and trimethylolpropane triacrylate and allyl compounds, such as allyl (meth) acrylate, triallyl cyanurate, diacyl maleate, polyallyl esters, tetraallyloxyethane, triallylamine, tetraallylethylenediamine, allyl esters of phosphoric acid and vinylphosphonic acid derivatives, as described, for example, in EP-A-0 343 427.
  • polyols such as diacrylate or triacrylate, for example butanediol or ethylene glycol di acrylate or methacrylate
  • crosslinkers b) are pentaerythritol di-, pentaerythritol tri- and pentaerythritol tetraallyl ethers, polyethylene glycol diallyl ether, ethylene glycol diallyl ether, glycerol di- and glycerol triallyl ether, polyallyl ethers based on sorbitol, and ethoxylated variants thereof.
  • Useful in the process according to the invention are di (meth) acrylates of polyethylene glycols, wherein the polyethylene glycol used has a molecular weight between 300 and 1000.
  • crosslinkers b) are di- and triacrylates of 3 to 15 times ethoxylated glycerol, 3 to 15 times ethoxylated trimethylolpropane, 3 to 15 times ethoxylated trimethylolethane, in particular di- and triacrylates of 2 to 6-fold ethoxylated glycerol or trimethylolpropane, the 3-fold propoxylated glycerol or trimethylolpropane, and the 3-fold mixed ethoxylated or propoxylated glycerol or trimethylolpropane, the 15-fold ethoxylated glycerol or trimethylolpropane, as well as 40-times ethoxylated glycerol, trimethylolethane or trimethylolpropane ,
  • Very particularly preferred crosslinkers b) are the polyethoxylated and / or propoxylated glycerols esterified with acrylic acid or methacrylic acid to form di- or triacrylates, as described, for example, in WO-A-03/104301. Particularly advantageous are di- and / or triacrylates of 3- to 10-fold ethoxylated glycerol. Very particular preference is given to diacrylates or triacrylates of 1 to 5 times ethoxylated and / or propoxylated glycerol. Most preferred are the triacrylates of 3 to 5 times ethoxylated and / or propoxylated glycerin.
  • the amount of crosslinker b) is preferably 0.01 to 1 wt .-%, particularly preferably 0.05 to 0.5 wt .-%, most preferably 0.1 to 0.3 wt .-%, each based on Monomer a).
  • Examples of ethylenically unsaturated monomers c) copolymerizable with the monomers a) are acrylamide, methacrylamide, crotonamide, dimethylaminoethyl methacrylate, dimethylaminoethyl acrylate, dimethylaminopropyl acrylate, diethylaminopropyl acrylate, dimethylaminobutyl acrylate, dimethylaminoethyl methacrylate, diethylaminoethyl methacrylate, dimethylaminoneopentyl acrylate and dimethylaminoneopentyl methacrylate.
  • water-soluble polymers d) it is possible to use polyvinyl alcohol, polyvinylpyrrolidone, starch, starch derivatives, polyglycols or polyacrylic acids, preferably polyvinyl alcohol and starch.
  • the preferred polymerization inhibitors require dissolved oxygen for optimum performance. Therefore, the polymerization inhibitors prior to polymerization by inerting, ie, flowing through with an inert gas, preferably nitrogen, be released from dissolved oxygen.
  • an inert gas preferably nitrogen
  • the oxygen content of the monomer solution before polymerization is reduced to less than 1 ppm by weight, more preferably less than 0.5 ppm by weight.
  • Water-absorbing polymers are usually obtained by polymerization of an aqueous monomer solution and optionally subsequent comminution of the hydrogel. Suitable preparation methods are described in the literature. Water-absorbing polymers can be obtained, for example
  • Emulsion polymerization wherein bead polymers of relatively narrow gel size distribution are already obtained (EP-A-0 457 660)
  • the reaction is preferably carried out in a kneader, as described, for example, in WO-A-01/38402, or on a belt reactor, as described, for example, in EP-A-0 955 086.
  • the acid groups of the hydrogels obtained are usually partially neutralized, preferably from 25 to 85 mol%, preferably from 27 to 80 mol%, particularly preferably from 27 to 30 mol% or from 40 to 75 mol%, very particularly preferably from 50 to 65 mol%, wherein the customary neutralizing agents can be used, preferably alkali metal hydroxides, alkali metal oxides, alkali metal carbonates or alkali metal hydrogen carbonates and mixtures thereof.
  • alkali metal salts and ammonium salts can be used.
  • Sodium and potassium are particularly preferred as alkali metals, but most preferably sodium hydroxide, sodium carbonate or sodium bicarbonate and mixtures thereof.
  • the neutralization is achieved by mixing the neutralizing agent as an aqueous solution or preferably as a solid.
  • the neutralizing agent for example, sodium hydroxide with a water content well below 50 wt .-% as a waxy mass with a melting point above 23 ° C present.
  • a dosage as general cargo or melt at elevated temperature is possible.
  • the neutralization can be carried out after the polymerization at the hydrogel stage. However, it is also possible to neutralize up to 40 mol%, preferably 10 to 30 mol%, particularly preferably 15 to 25 mol%, of the acid groups prior to the polymerization by adding a part of the neutralizing agent to the monomer solution and the desired final degree of neutralization is adjusted after the polymerization at the level of the hydrogel.
  • the monomer solution can be neutralized by mixing the neutralizing agent.
  • the hydrogel can be mechanically comminuted, for example by means of a meat grinder, wherein the neutralizing agent can be sprayed, sprinkled or poured on and then thoroughly mixed. For this purpose, the gel mass obtained can be further gewolfft for homogenization. Neutralization of the monomer solution to the final neutralization level is preferred.
  • the neutralized hydrogel is then dried with a belt or drum dryer until the residual moisture content is preferably below 15 wt .-%, in particular below 10 wt .-%, wherein the water content according to the recommended by the EDANA (European Disposables and Nonwovens Association) Test Method no 430.2-02 "Moisture content" is determined.
  • a fluidized bed dryer or a heated ploughshare mixer can be used for drying.
  • it is advantageous in the drying of this gel to ensure rapid removal of the evaporating water.
  • the dryer temperature must be optimized, the air supply and removal must be controlled, and it is in any case to ensure adequate ventilation.
  • the drying is naturally simpler and the product is the whiter, if the solids content of the gel is as high as possible.
  • the solids content of the gel before drying is therefore preferably between 30 and 80% by weight.
  • Particularly advantageous is the ventilation of the dryer with nitrogen or other non-oxidizing inert gas.
  • nitrogen or other non-oxidizing inert gas it is also possible simply to lower only the partial pressure of the oxygen during the drying in order to prevent oxidative yellowing processes.
  • sufficient ventilation and removal of the water vapor also leads to an acceptable product.
  • Advantageous in terms of color and product quality is usually the shortest possible drying time.
  • the dried hydrogel is preferably ground and sieved, it being possible to use roll mills, pin mills or vibratory mills for milling.
  • the particle size of the screened, dry hydrogel is preferably below 1000 .mu.m, more preferably below 900 .mu.m, most preferably below 850 .mu.m, and preferably above 80 .mu.m, more preferably above 90 .mu.m, most preferably above 100 .mu.m. Very particular preference is given to a particle size (sieve cut) of 106 to 850 ⁇ m.
  • the particle size is determined according to the test method No. 420.2-02 "Particle size distribution" recommended by the EDANA (European Disposables and Nonwovens Association).
  • Suitable postcrosslinkers for this purpose are compounds which contain at least two groups which can form covalent bonds with the carboxylate groups of the hydrogel.
  • Suitable compounds are, for example, alkoxysilyl compounds, polyaziridines, polyamines, polyamidoamines, di- or polyepoxides, as described in EP-AO 083 022, EP-A-543 303 and EP-A-937 736, di- or polyfunctional alcohols, as in DE-C-33 14 019, DE-C-35 23 617 and EP-A-450 922, or ⁇ -hydroxyalkylamides as described in DE-A-102 04 938 and US-6,239,230.
  • DE-A-40 20 780 cyclic carbonates, in DE-A-198 07 502 2- oxazolidone and its derivatives, such as 2-hydroxyethyl-2-oxazolidone, in DE-A-198 07 992 bis- and poly 2-Oxazolidin ⁇ ne, in DE-A-198 54 573 2-Oxotetrahydro-1, 3-oxazine and its derivatives, in DE-A-198 54 574 N-acyl-2-oxazolidones, in DE-A-102 04 937 cyclic ureas, in DE-A-103 34 584 bicyclic amide acetals, in EP-A-1 199 327 oxetanes and cyclic ureas and in WO-A-03/031482 morpholine-2,3-dione and its derivatives as suitable surface postcrosslinkers.
  • 2- oxazolidone and its derivatives such as 2-hydroxyethyl-2-oxazolidone
  • polyvalent cations are used in addition to the surface postcrosslinkers for surface postcrosslinking.
  • the usable polyvalent cations are, for example, divalent cations, such as the cations of zinc, magnesium, calcium and strontium, trivalent cations, such as the cations of aluminum, iron, chromium, rare earths and manganese, tetravalent cations, such as the cations of titanium and zirconium.
  • chloride, bromide, sulfate, hydrogen sulfate, carbonate, hydrogen carbonate, nitrate, phosphate, hydrogen phosphate, dihydrogen phosphate and carboxylate, such as acetate and lactate are possible.
  • Aluminum sulfate is preferred.
  • the postcrosslinking is usually carried out so that a solution of the surface postcrosslinker is sprayed onto the hydrogel or the dry base polymer powder.
  • Surface postcrosslinker and polyvalent cation can be sprayed in a common solution or as separate solutions.
  • the polymer powder is thermally dried, whereby the crosslinking reaction can take place both before and during drying.
  • the spraying of a solution of the crosslinker is preferably carried out in mixers with agitated mixing tools, such as screw mixers, paddle mixers, disk mixers, plowshare mixers and paddle mixers.
  • agitated mixing tools such as screw mixers, paddle mixers, disk mixers, plowshare mixers and paddle mixers.
  • vertical mixers very particularly preferred are plowshare mixers and paddle mixers.
  • Suitable mixers are, for example, Lödige® mixers, Bepex® mixers, Nauta® mixers, ProcessallO mixers and Schugi® mixers. Very particular preference is given to using high-speed mixers, for example of the Schuggi-Flexomix® or Turbolizer® type.
  • the thermal drying is preferably carried out in contact dryers, particularly preferably paddle dryers, very particularly preferably disc dryers.
  • Suitable dryers include Bepex® dryers and Nara® dryers.
  • fluidized-bed dryers can also be used.
  • the drying can take place in the mixer itself, by heating the jacket or blowing hot air. Also suitable is a downstream dryer, such as a hopper dryer, a rotary kiln or a heatable screw. However, it is also possible, for example, to use an azeotropic distillation as the drying process.
  • Preferred drying temperatures are in the range 50 to 250 0 C, preferably at 50 to 200 0 C, and more preferably at 50 to 150 0 C.
  • the preferred residence time at this temperature in the reaction mixer or dryer is less than 30 minutes, more preferably less than 10 minutes.
  • Another object of the present invention are methods for preparing the compositions of the invention, wherein
  • At least one substituted thiophosphoric triamide is mixed together with at least one water-absorbing polymer and / or ii) at least one substituted thiophosphoric triamide is ground together with at least one water-absorbing polymer and / or iii) at least one substituted thiophosphoic triamide is sprayed onto at least one water-absorbing polymer and / or or iv) the at least one water-absorbing polymer is prepared by solution polymerization of a monomer solution and at least one substituted thiophosphoic triamide is dissolved or suspended in the monomer solution
  • composition obtained according to i), ii), iii) and / or iv) is optionally mixed together with at least one water-absorbing polymer.
  • the type of mixing is not limited and may already be used in the preparation of the water-absorbing polymer, for example during post-crosslink cooling or subsequent screening, or in a special mixer respectively. Suitable mixers have already been described above in the post-crosslinking of the water-absorbing polymer.
  • the type of grinding is also subject to no restriction. Suitable apparatuses have already been described above in the comminution of the water-absorbing polymer.
  • the type of spraying is subject to no restriction.
  • the substituted thiophosphoric triamide can be sprayed on as a solution or as a melt, for example during the postcrosslinking of the water-absorbing polymer in the mixers mentioned there.
  • the at least one substituted thiophosphoric triamide is sprayed dissolved in a suitable solvent.
  • suitable solvents are water, water / acetone mixtures, water / propylene glycol mixtures and the solvents and solvent mixtures mentioned in the postcrosslinking.
  • the concentration of the substituted thiophosphoric triamide in the solution is usually 0.5 to 30 wt .-%, preferably 1 to 20 wt .-%, particularly preferably 2 to 10 wt .-%.
  • a composition according to the invention which has a higher proportion of the at least one substituted thiophosphoric triamide, usually 1 to 50% by weight, preferably 5 to 40% by weight, particularly preferably 10 to 30% by weight.
  • the high-concentration composition thus obtained can then be diluted to the desired final content with further water-absorbing polymer.
  • Further articles of the present invention are hygiene articles containing at least one composition according to the invention, in particular diapers or inserts for heavy and / or light incontinence and sanitary napkins, and methods for the production of hygiene articles, wherein at least one composition according to the invention is used.
  • compositions according to the invention are capable of reliably preventing unpleasant odors which may arise in hygiene articles.
  • the compositions according to the invention are storage-stable, so that the odor-binding effect is still present even after prolonged storage, for example 6 months. Furthermore, the compositions of the invention after prolonged storage no visible discoloration. Examples
  • the kneader was stirred at maximum speed (98 rpm of the faster shaft, about 49 rpm on the slower shaft, ratio about 2: 1).
  • the kneader coat was heated with 8O 0 C warm heat carrier. After reaching the maximum temperature, the jacket heating was switched off and allowed to react further in the kneader further 15 minutes.
  • the gel was cooled to 65 ° C and filled. The drying of the gel was carried out at 175 ° C for 75 minutes with a loading of 700 g per plate in a convection oven. After grinding three times in a roller mill (Gebr. Baumeister LRC 125/70, spa widths 1000 .mu.m, 600 .mu.m, 400 .mu.m), the polymer was sieved to a sieve cut between 850 and 100 .mu.m.
  • compositions had no significant bactericidal effect on Escherichia coli, Staphylococcus aureus and Proteus mirabilis.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

L'invention concerne des compositions absorbant l'eau et inhibitrices des odeurs, renfermant au moins un polymère absorbant l'eau et au moins un triamide d'acide thiophosphorique substitué. L'invention concerne en outre un procédé de fabrication des compositions précitées, ainsi que des articles d'hygiène et leur fabrication.
EP06777821A 2005-07-27 2006-07-18 Compositions absorbant l'eau et inhibitrices des odeurs Withdrawn EP1910460A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70293105P 2005-07-27 2005-07-27
PCT/EP2006/064354 WO2007012581A1 (fr) 2005-07-27 2006-07-18 Compositions absorbant l'eau et inhibitrices des odeurs

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EP1910460A1 true EP1910460A1 (fr) 2008-04-16

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Country Link
US (1) US20080234646A1 (fr)
EP (1) EP1910460A1 (fr)
JP (1) JP2009507939A (fr)
CN (1) CN101223224A (fr)
WO (1) WO2007012581A1 (fr)

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Publication number Priority date Publication date Assignee Title
EP1820788A1 (fr) * 2006-02-16 2007-08-22 BASF Aktiengesellschaft Préparations à propriétés amélirées pour inhiber l'uréase et engrais à base d'urée contenant ces préparations
US20090012488A1 (en) * 2006-03-10 2009-01-08 Basf Se Super-Absorber Having Improved Smell-Inhibition
CN103930201B (zh) 2011-11-15 2016-04-27 株式会社日本触媒 吸水剂组合物及其制造方法、以及其保管及库存方法
CN104853705A (zh) * 2012-12-20 2015-08-19 巴斯夫欧洲公司 气味抑制超吸收剂

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EP0703265A1 (fr) 1994-07-22 1996-03-27 Hoechst Aktiengesellschaft Hydrogels hydrophiles à capacité de gonflement élevée
EP0527109B1 (fr) 1991-08-05 1998-05-13 Alusuisse Technology & Management AG Procédé pour la fabrication d'un panneau composite d'âme cellulaire et d'au moins une couche
WO2004018006A1 (fr) 2002-08-23 2004-03-04 Basf Aktiengesellschaft Polymeres superabsorbants et procede de production correspondant

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WO1998026808A2 (fr) * 1996-12-17 1998-06-25 The Procter & Gamble Company Articles absorbants dotes d'un systeme de suppression des mauvaises odeurs
US5770771A (en) * 1997-01-21 1998-06-23 Albemarle Corporation Preparation of N-hydrocarbylthiophosphoric triamides
DE50303213D1 (de) * 2002-06-11 2006-06-08 Basf Ag (meth)acrylester von polyalkoxyliertem glycerin
US20060029567A1 (en) * 2004-08-04 2006-02-09 Bki Holding Corporation Material for odor control

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CN101223224A (zh) 2008-07-16
WO2007012581A1 (fr) 2007-02-01
JP2009507939A (ja) 2009-02-26

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