The present invention relates to a process for producing a water-absorbing polymer structure based on monomers containing acid groups, comprising the process steps of: i) providing a monomer solution comprising the optionally partly neutralized monomer containing acid groups; ii) mixing the monomer solution with fines which consist to an extent of at least 90% by weight, based on the total weight of the fines, of particles having a particle size of less than 850 μm to obtain a monomer solution mixed with fines; wherein the mixing in process step ii) is effected in a mixer (1) in which a first stream (2) of the fines and at least one further stream (3) of the monomer solution are conducted from different directions simultaneously onto a rotating mixing tool (4).
The invention relates to flours of plant components, wherein a solution of 10 ml water and 1 ml of an aqueous methylene blue solution of 0.1 wt % brought into contact with 1g of the flour, comprising an extinction at a wavelength of 660 nm to < 1, to a method for producing said flours, products comprising said flours, and the use of the flours for producing skin and hand cleaning agents, surface cleansers, or peeling agents, and the use of the products for cleaning skin, hands, and surfaces.
A61Q 19/00 - Préparations pour les soins de la peau
A61K 8/97 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des produits de constitution indéterminée ou leurs dérivés à base d’algues, de champignons, de lichens ou de plantesCosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des produits de constitution indéterminée ou leurs dérivés à base de leurs dérivés
A61Q 19/10 - Préparations pour le nettoyage ou le bain
3.
PLASMA MODIFICATION OF WATER-ABSORBING POLYMER FORMATIONS
The present invention relates to a method for producing surface-modified water-absorbing polymer formations, comprising the following steps: i) providing a plurality of water-absorbing polymer formations; ii) treating the surface of the water-absorbing polymer formations provided in step i) by means of a plasma; wherein the water-absorbing polymer formations are mixed with each other during process step ii). The invention further relates to a device for said method, the surface-modified water-absorbing polymer formations obtained by said method, a compound comprising said surface-modified water-absorbing polymer formations and a substrate, a method for producing a compound, a compound obtained by said method, chemical products comprising said surface-modified water-absorbing polymer formations or the compound, and the use of the surface-modified water-absorbing polymer formations or of the compound in chemical products.
C08L 101/14 - Compositions contenant des composés macromoléculaires non spécifiés caractérisées par des propriétés physiques, p. ex. anisotropie, viscosité ou conductivité électrique les composés macromoléculaires étant solubles dans l'eau ou gonflables dans l'eau, p. ex. gels aqueux
B29C 59/14 - Façonnage de surface, p. ex. gaufrageAppareils à cet effet par plasma
B01J 19/08 - Procédés utilisant l'application directe de l'énergie ondulatoire ou électrique, ou un rayonnement particulaireAppareils à cet usage
The present invention relates to foamable oil-in-water emulsions containing: A) one or more emulsifiers, at least one of which is a non-ionic emulsifier, B) one or more cotensides, C) one or more oils, D) optionally, one or more polar solubilizers, E) optionally, auxiliary and additive substances, F) one or more surfactants, G) water, H) optionally, water-soluble substances, provided that the water content of the emulsion is ≥ 70 % by weight and the concentration of surfactant(s) F) is from 0.01 to less than 10 % by weight, each based on the entire emulsion. The invention further relates to a method for producing the oil-water emulsions according to the invention, to foams obtained from these oil-water emulsions, to a method for producing the foams, and to the application of the oil-water emulsions according to the invention and to the foams produced therefrom.
The invention relates to a skin protectant, particularly against hydrophobic (lipophilic) and hydrophilic (lipophobic) harmful substances, obtainable by means of an amount of at least one barrier-forming component, particularly against hydrophobic (lipophilic) harmful substances, wherein the nephelometric turbidity unit of the barrier-forming component is determined by means of turbidimetry and at least one barrier-forming component, a 1% solution in water thereof having a nephelometric turbidity unit of greater than 40 (NTU), is used to produce the protectant and a method for producing skin protectants, particularly against hydrophobic (lipophilic) and hydrophilic (lipophobic) harmful substances, where in the barrier-forming component is selected for production of the protectant such that the nephelometric turbidity unit of the barrier-forming component of the skin protectant is determined by means of turbidimetry and at least one barrier-forming component, a 1% solution in water thereof having a nephelometric turbidity unit of greater than 40 (NTU), is used to produce the skin protectant.
A61Q 17/00 - Préparations protectricesPréparations employées en contact direct avec la peau pour protéger des influences extérieures, p. ex. des rayons du soleil, des rayons X ou d'autres rayons nuisibles, des matériaux corrosifs, des bactéries ou des piqûres d'insectes
A61Q 19/10 - Préparations pour le nettoyage ou le bain
A61Q 19/00 - Préparations pour les soins de la peau
6.
USE OF HOLLOW BODIES FOR PRODUCING WATER-ABSORBENT POLYMER STRUCTURES
The present invention relates to water-absorbent polymer structures, at least partially containing hollow bodies having a shell made of an inorganic or organic material. The invention further relates to a method for producing water-absorbent polymer structures, to the water-absorbent polymer structures which can be obtained by said method, to a composite, to a method for producing a composite, to the composite which can be obtained by said method, to chemical products such as foams, moldings or fibers, to the use of water-absorbent polymer structures or a composite in chemical products, such as foams, moldings or fibers, and to the use of hollow bodies having a shell made of an inorganic or organic material.
A61L 15/22 - Bandages, pansements ou garnitures absorbant les fluides physiologiques tels que l'urine, le sang, p. ex. serviettes hygiéniques, tampons contenant des matériaux macromoléculaires
A61L 15/60 - Matériaux gonflant avec les liquides pour former un gel, p. ex. super-absorbants
C08F 2/44 - Polymérisation en présence d'additifs, p. ex. plastifiants, matières colorantes, charges
C08L 101/14 - Compositions contenant des composés macromoléculaires non spécifiés caractérisées par des propriétés physiques, p. ex. anisotropie, viscosité ou conductivité électrique les composés macromoléculaires étant solubles dans l'eau ou gonflables dans l'eau, p. ex. gels aqueux
A61F 13/00 - Bandages ou pansementsGarnitures absorbantes
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
7.
METHOD FOR PRODUCING ACROLEIN COMPRISING THE REGENERATION OF A RAW GLYCERIN PHASE
The invention relates to a method for producing acrolein, comprising the following steps: (a) dehydrating an aqueous glycerin phase G1 in an acrolein reaction region, obtaining an aqueous acrolein reaction phase; (b) at least partially separating the aqueous acrolein reaction phase into an acrolein-rich acrolein phase and an acrolein-poor (in comparison to the acrolein phase) residual phase R1, wherein the residual phase R1 comprises glycerin, water and various remainders from glycerin and water; (c) recycling at least a part of the residual phase R2 in step (a); wherein i) from a glycerin phase G2 comprising remainders that differ from glycerin and water, at least one of said remainders is separated and the thus obtained, purified glycerin phase G2 is immediately supplied to the acrolein reaction region, or ii) at least one remainder different from glycerin and water is separated out of a mixture phase M1 obtained by mixing a glycerin phase G2 with the acrolein-poor residual phase R1, and the thus obtained, purified mixture phase M1 is supplied to the acrolein reaction region. The invention furthermore relates to a method for producing acrylic acid, water-absorbing polymer formations, compounds and hygiene articles, to devices for carrying out the method and their application, to a method for purifying a glycerin phase and to the application of a glycerin phase.
C07C 45/52 - Préparation de composés comportant des groupes C=O liés uniquement à des atomes de carbone ou d'hydrogènePréparation des chélates de ces composés par pyrolyse, réarrangement ou décomposition par déshydratation et réarrangement faisant intervenir deux groupes hydroxyle de la même molécule
B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés
C07C 57/055 - Préparation par oxydation en phase gazeuse à partir d'aldéhydes non saturés
D01F 6/16 - Filaments, ou similaires, faits par l’homme, à un seul composant, formés de polymères synthétiquesLeur fabrication à partir d'homopolymères obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone à partir de polymères d'acides carboxyliques non saturés ou de polymères d'esters organiques non saturés, p. ex. à partir d'esters polyacryliques, d'acétate de polyvinyle
D06M 16/00 - Traitement biochimique des fibres, fils, filés, tissus ou articles fibreux faits de ces matières, p. ex. enzymatique
C08F 20/06 - Acide acryliqueAcide méthacryliqueLeurs sels métalliques ou leurs sels d'ammonium
8.
PROCESSING METHOD IN THE PRODUCTION OF (METH)ACRYLIC ACID ALKYL ESTERS
The invention relates to a method for producting a high-purity (meth)acrylic acid alkyl ester phase, comprising the process steps: I) reacting an alcohol phase with a (meth)acrylic acid phase in the presence of an esterification catalyst to obtain a (meth)acrylic acid alkyl ester phase; II) separating by distillation at least part of the water present in the (meth)acrylic acid alkyl ester phase to obtain an arid (meth)acrylic acid alkyl ester phase comprising the (meth)acrylic acid alkyl ester, and an aqueous overhead product; III) separating the aqueous overhead product into an organic phase and a process wastewater phase; IV) further purifying the arid (meth)acrylic acid alkyl ester phase comprising the (meth)acrylic acid alkyl ester by a purification method comprising an alkaline reactive extraction step to obtain - a purified (meth)acrylic acid alkyl ester phase and - a secondary component phase comprising an alkali salt; V) freeing the purified (meth)acrylic acid alkyl ester phase from additional secondary products to obtain a high-purity (meth)acrylic acid alkyl ester phase; wherein at least one of the following alternatives i) or ii), preferably i) and ii), applies; i) the secondary component phase comprising alkali salt is supplied to a combustion unit, wherein the secondary component phase comprising the alkali salt of the process wastewater phase is purified before being supplied to the combustion unit at a maximum of 50% by weight/hour, based on the volume of the secondary component phase comprising alkali salts developing in an hour; ii) the process wastewater phase is supplied for purification to a wastewater treatment system after separating at least part of the non-reacted alcohol still present in the process wastewater phase, wherein the process wastewater phase is purified, before being supplied to the wastewater treatment system at a maximum of 50% by weight/hour, based on the volume of process wastewater phase developing in hour, with the secondary component phase comprising the alkali salt. The invention also relates to the use of a process wastewater phase, a high-purity (meth)acrylic acid alkyl ester phase, to a method for producing a polymer based on (meth)acrylic acid alkyl esters, and to the (meth)acrylic acid alkyl ester-based polymer obtained by said method.
C07C 67/08 - Préparation d'esters d'acides carboxyliques par réaction d'acides carboxyliques ou d'anhydrides symétriques avec le groupe hydroxyle ou O-métal de composés organiques
C07C 67/54 - SéparationPurificationStabilisationEmploi d'additifs par modification de l'état physique, p. ex. par cristallisation par distillation
C07C 67/58 - SéparationPurificationStabilisationEmploi d'additifs par traitement liquide-liquide
C08F 265/04 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères d'acides monocarboxyliques non saturés ou de leurs dérivés tels que définis dans le groupe sur des polymères d'esters
9.
A PROCESS FOR THE PRODUCTION OF A SUPERABSORBENT POLYMER
The present invention relates to a process for the production of a superabsorbent polymer comprising: (a) preparing an aqueous mixture of monomers selected to provide after polymerization a superabsorbent polymer, (b) feeding said monomer mixture to a reactor, (c) subjecting the aqueous monomer mixture in the reactor to free-radical polymerization to obtain a superabsorbent polymer gel, and (d) removing the superabsorbent polymer gel from the reactor, (e) drying the superabsorbent polymer gel removed from the reactor, whereby at least one off-gas stream removed from any stage of the process is subjected to scrubbing with an basic aqueous solution prior to venting to obtain an aqueous scrubber solution that is at least partially recycled to any step (a) to (e) of the process.
The present invention relates to a continuous process for the production of a superabsorbent polymer comprising: (a) providing an acidic liquid aqueous monomer mixture containing dissolved oxygen, whereby the monomers are selected to provide after polymerization a superabsorbent polymer, (b) continuously feeding said aqueous monomer mixture to a reactor, (c) introducing a source of carbonate or hydrogen carbonate into said aqueous monomer mixture prior to entry into the reactor thereby forming a gas phase comprising carbon dioxide and at least a part of said dissolved oxygen, said gas phase being dispersed in the liquid phase, (d) subjecting the gas/liquid mixture to at least partial phase separation immediately prior to or after entry into the reactor and at least partially removing the separated gaseous phase, (e) subjecting the liquid phase in the reactor to free-radical polymerization to obtain the superabsorbent polymer, and (f) continuously removing the superabsorbent polymer from the reactor.
The present invention relates to a process for the production of a superabsorbent polymer comprising: (a) preparing an aqueous mixture of monomers selected to provide after polymerization a superabsorbent polymer, (b) feeding said monomer mixture to a reactor, (c) subjecting the aqueous monomer mixture in the reactor to free-radical polymerization to obtain a superabsorbent polymer gel, and (d) removing the superabsorbent polymer from the reactor, (e) working-up the superabsorbent polymer removed from the reactor to obtain a final product, whereby a basic aqueous medium comprising carbonate and/or hydrogen carbonate is fed to the superabsorbent polymer gel.
The present invention relates to a process for preparing unsaturated aldehydes or unsaturated carboxylic acids by heterogeneous catalytic gas phase oxidation of unsaturated or saturated hydrocarbons, comprising the process steps of: i) providing a gas mixture at least comprising a saturated hydrocarbon and catalytically dehydrogenating the at least one saturated hydrocarbon in the gas phase to obtain a gas mixture comprising an unsaturated hydrocarbon in a dehydrogenation reactor having a dehydrogenation catalyst material; or ii) providing a gas mixture at least comprising oxygen and at least one unsaturated hydrocarbon; iii) catalytically oxidizing the unsaturated hydrocarbon obtained in process step i) or provided in process step ii) in the gas phase to obtain a gas mixture comprising an unsaturated aldehyde in a first oxidation reactor having a first oxidation catalyst material; iv) optionally catalytically oxidizing the unsaturated aldehyde obtained in process step iii) in the gas phase to obtain a gas mixture comprising an unsaturated carboxylic acid in a second oxidation reactor having a second oxidation catalyst material; wherein at least one of the reactors selected from the dehydrogenation reactor, the first oxidation reactor and the second oxidation reactor comprises at least one foam body. The invention further relates to a process for preparing a polymer based on an unsaturated carboxylic acid, to an apparatus for preparing unsaturated carboxylic acids or a polymer based on unsaturated carboxylic acids, and to the use of an apparatus.
C07C 45/35 - Préparation de composés comportant des groupes C=O liés uniquement à des atomes de carbone ou d'hydrogènePréparation des chélates de ces composés par oxydation avec l'oxygène moléculaire de restes —CHx dans des composés non saturés dans le propène ou l'isobutène
C07C 51/25 - Préparation d'acides carboxyliques, de leurs sels, halogénures ou anhydrides par oxydation avec l'oxygène moléculaire de composés non saturés ne contenant pas de cycle aromatique à six chaînons
The invention relates to a dispenser system comprising a housing (8) into which a reservoir cartridge (1) that consists of a reservoir container and a distribution device (2) is inserted. Said housing (8) comprises an actuation device (6) that acts upon the distribution device (2) in such a manner that when pressure is applied to the actuation device, it dispenses a portion of the medium to the distribution device. Known dispenser systems have the disadvantage that a separate dispenser is required for each medium. The aim of the invention is to provide an identical part dispenser system. As a result, a connection element (5) compensating the various geometries of the distribution device (2) is connected to the distribution device (2). Also, the actuation device (6) comprises pressure transmission surfaces arranged at various levels and which cooperate with the surfaces of the distribution device (2) receiving the pressure, the different surfaces interacting with each other according to the used reservoir cartridge (1).
The invention relates to skin and hand cleansers comprising the components a.) at least one alkyl ester and/or diester, b.) 0 to 40 wt.-% of at least one surfactant selected from the group of fatty alcohol ethoxylates, fatty alcohol ether sulfates and salts of sulfated and/pr sulfonated fatty acids, c.) at least one thixotropic agent and at least one hydrophilic, pyrogenic silicic acid, d.) 0 to 30 wt.-% of one or more abrasives, e.) 0 to 5 wt.-% of at least one physiologically compatible carbonic acid ester f.) 0 to < 10 wt.-% water, g.) optionally one or more viscosity modifying agent, h.) optionally other cosmetic aids, additives and/or active ingredients, wherein the total of the components a.) through h.) adds up to 100 wt.-%, based on the composition of the cleanser.
The present invention relates to a method for purifying an unpurified phase, containing a target product, preferably (meth)acrylic acid, water, and at least one contamination differing from the target product and from water, to obtain a purified phase, comprising a process stage comprising the following process steps: a) the target product and water are crystallized from the unpurified phase while forming a suspension containing a mother liquor and crystals, wherein said crystallizing is carried out at a temperature T1 within the range of Te - 15°C ≤ T1 ≤ Te + 3°C (Te = eutectic temperature of the unpurified phase); b) the crystals are at least partially separated from the mother liquor; c) at least part of the separated crystals is melted to form a melt, wherein said melting is carried out at a temperature T2 within the range of T1 < T2 ≤ T1 + 20°C; and d) at least part of the melt is returned to step b), wherein the part of the melt that is not returned is present as a purified phase. The invention further relates to a method for the production of a purified phase, containing a target product and water, a method for the production of a polymer based on (meth) acrylic acid, polymers that may be obtained by means of said method, chemical products, such as fibers or molded bodies, and the use of polymers.
The present invention relates to a water-absorbent composition containing water-absorbent polymer structures and a compound of the formula (I) in which R1, R2, R3 and R4 can be identical or different and each denote a hydrogen atom, a halogen atom, a C1- to C4- hydrocarbon group or a hydroxyl group, R5 denotes a hydrogen atom, a C1- to C4-hydrocarbon group or an acetyl group, n denotes an integer chosen from the group of 1, 2 or 3, and Mn+ denotes an n-valent metal cation or an H+ cation. The present invention also relates to a process for preparing a water-absorbent composition, the water-absorbent composition obtainable by this process, a composite, a process for preparing a composite, the composite obtainable by this process, chemical products such as sanitary articles for example, the use of a water-absorbent composition or of a composite, and the use of the aforementioned compound of formula (I).
A61L 15/46 - Désodorisants ou produits pour neutraliser les mauvaises odeurs, p. ex. pour inhiber la formation d'ammoniac ou la multiplication de bactéries
A61L 15/60 - Matériaux gonflant avec les liquides pour former un gel, p. ex. super-absorbants
C08K 5/098 - Sels métalliques d'acides carboxyliques
The invention relates to a suction pump, which is implemented as a bellows pump having a fixed base area (4) and a head area (3) movable relative thereto, and is disposed on a supply container (2). The filling insert thus formed can be inserted in a dispenser housing (1). The essential feature of the bellows pump is the fact that guide means (8) are provided, which prevent the movable head area (3) from traveling in a direction which is not the valve preferential direction V. In contrast to the prior art, this allows the secure insertion and the error-free use of the bellows pump in a dispenser housing (1). Furthermore, the invention relates to a dispenser unit, in which a bellows pump according to the invention is used.
The invention relates to a method for filling and evacuating a dispenser unit for pasty, foamy, or liquid media. In the known methods, a supply container (1) is evacuated via a suction pump (3), which is otherwise used to discharge the medium, after the filling. The danger exists in this way that medium will be sucked in. In order to make the suction process more effective and reliable, a method and a filling insert for a dispenser unit are proposed according to the invention, at least one air channel (2) being provided parallel to the suction pump (3). By applying a pressure differential between supply container (1) and surroundings, which is just high enough that air can be sucked through the air channel (2) but particularly no viscous medium, the evacuation is performed.
A47K 5/12 - Distributeurs de savon pour savon liquide ou pâteux
B05B 11/00 - Appareillages monoblocs tenus à la main dans lesquels l'écoulement du contenu est produit par la force musculaire de l'opérateur au moment de l'utilisation
19.
WATER-ABSORBING POLYMER STRUCTURE WITH IMPROVED COLOR STABILITY
The present invention relates to a method for the production of water-absorbing polymer structures, having the following method steps: I) provision of an aqueous monomer solution containing a polymerizable, monoethylenically unsaturated monomer (α1) having an acid group, or a salt of said monomer, optionally a monoethylenically unsaturated monomer (α2) which can polymerize with the monomer (α1), and optionally a cross linking agent (α3), ii) radical polymerization of the aqueous monomer solution, giving a polymer gel, iii) optionally pulverization of the polymer gel, iv) drying the optionally pulverized polymer gel, giving a water-absorbing polymer structure, v) optionally milling and sieving the water-absorbing polymer structure, and vi) surface cross linking of the optionally milled and sieved water-absorbing polymer structure, wherein a reducing agent containing a sulfonate, a salt of a sulfonate, or a mixture of a sulfonate and a salt of a sulfonate is added to I) the water-absorbing polymer structure after carrying out method step iv), II) the water-absorbing polymer structure after carrying out method step v), III) the water-absorbing polymer structure after carrying out method step vi), IV) the aqueous monomer solution before or during method step ii), V) the polymer gel after carrying out method step ii), or VI) the optionally pulverized polymer gel after carrying out method step iii). The invention also relates to the water-absorbing polymer structure obtained by this method, water-absorbing polymer structures, a compound, a method for the production of a compound, the compound obtained by this method, chemical products such as foams, mold bodies, fibers, foils, films, cables, sealing materials, fluid-inhibiting hygiene articles, carriers for agents that regulate plant and fungus growth, packaging materials, soil additives, or building materials, and the use of water-absorbing polymer structures.
The present invention relates to a water-absorbent composition, comprising water-absorbent polymer structures having at least one tannin fraction on the surfaces thereof, said fraction having a specific average molecular weight of at least 1,000 g/mol determined according to the testing method described herein, or being a hydrolyzable gallotannin. The present invention also relates to a method for the production of a water-absorbent composition, the water-absorbent composition obtained by said method, a composite, a method for the production of a composite, the composite that can be obtained by said method, chemical products such as hygienic articles, to the use of a water-absorbent composition or of a composite, and to the use of a tannin fraction.
The invention relates to a method for producing a superabsorber, comprising the following steps: a) a water-absorbing polymer structure is provided; b) said water-absorbing polymer structure is brought in contact with a modifying agent, preferably an aqueous modifying agent; and c) the water-absorbing polymer that has been brought in contact with the modifying agent is further treated. At least the further treatment in step c) is performed at least in part in a rotating receptacle. The invention also relates to an apparatus for producing a superabsorber, superabsorbers, a compound, a method for producing a compound, the compound obtained by means of said method, chemical products such as foams, molded articles, or fibers, and the use of a superabsorber.
The invention relates to skin cleansers/hand cleaners, particularly coarse hand cleaners, containing at least 0.1 wt.% of at least one hydrophilic emollient having an HLB value of ≥ 10. Said skin cleansers/ hand cleaners especially contain, relative to the entire composition of the cleanser/cleaner, a.) at least 0.1 wt.% of at least one hydrophilic emollient, preferably a polyol ester, b.) 2 to 40 wt.% of at least one surfactant selected from among the group comprising fatty alcohol ethoxylates, fatty alcohol ether sulfates, and salts of sulfated and/or sulfonated fatty acids, c.) 30 to 90 wt.% of water, d.) 0 to 30 wt.% of one or more cleaning promoters selected from among the group comprising polyols, polyether, polyphosphates, and phosphates, e.) 0 to 30 wt.% of one or more abrasive agents, f.) 0 to 1.0 wt.% of propoxylated fatty alcohols, g.) one or more optional viscosity-forming agents, h.) other optional cosmetic auxiliary agents, additives, and/or active substances, the total of components a.) to h.) amounting to 100 wt.%.
The invention relates to a method for ground cultivation, in particular of green spaces and existing areas of vegetation, comprising the following steps: a.) production of a conveyable application form of a soil conditioner in which the soil conditioner is present as a dispersion of pre-swollen particles and/or as hydrogel; b.) conveyance of the application form of the soil conditioner produced in step a.) to a depositing device; c.) depositing of the soil conditioner by means of a depositing device, and a device for carrying out such a cultivation method.
The invention relates to a method for producing a water-absorbing polymer structure. Said method comprises the following steps: i) an untreated, water-absorbing polymer structure is provided that has a maximum neutralization rate of 70 mole percent; ii) the untreated, water-absorbing polymer structure is brought in contact with an acid component. The invention also relates to the water-absorbing polymer structures obtained using said method, water-absorbing polymer structures, a compound, a method for producing a compound, the compound obtained using said method, foams, molded articles, fibers, foils, films, cables, sealing materials, liquid-absorbing hygiene articles, carriers for plant growth and fungal growth regulators, packaging materials, soil additives, or construction materials, and the use of a water-absorbing polymer structure.
A61L 15/46 - Désodorisants ou produits pour neutraliser les mauvaises odeurs, p. ex. pour inhiber la formation d'ammoniac ou la multiplication de bactéries
A61L 15/60 - Matériaux gonflant avec les liquides pour former un gel, p. ex. super-absorbants
C08J 7/14 - Modification chimique par des acides, leurs sels ou anhydrides
25.
WATER-ABSORBING POLYMER STRUCTURES PRODUCED USING POLYMER DISPERSIONS
The present invention relates to a process for producing water-absorbing polymer structures, comprising the process steps of: i) preparing an aqueous monomer solution containing a polymerizable, monoethylenically unsaturated acid-functional monomer (α1) or a salt thereof, optionally a monoethylenically unsaturated monomer (α2) that can be polymerized with the monomer (a1) and, optionally, a crosslinker (α3), ii) free-radical polymerization of the aqueous monomer solution to obtain a polymer gel, iii) optionally comminuting the polymer gel, iv) drying the optionally comminuted polymer gel to obtain water-absorbing polymer structures, v) optionally grinding and screening the water-aborbing polymer structures, and vi) surface postcrosslinking of the optionally ground and screened water-absorbing polymer structures, wherein: I) a thermoplastic polymer is added to the aqueous monomer solution before process step (ii) or during process step (ii), preferably before process step (ii), II) a thermoplastic polymer is added to the polymer gel after process step (ii) and before process step (iv) or during process step (iv), preferably before process step (iv), or III) a thermoplastic polymer is added to the water-absorbing polymer structure after process step (iv). The invention also relates to the water-absorbing polymer structures obtainable by this process, to water-absorbing polymer structures, to a composite, to a process for producing a composite, to the composite obtainable by this process, to chemical products such as foams, mouldings, fibres, foils, films, cables, sealing materials, liquid-absorbing hygiene articles, carriers for plant and fungal growth regulators, packaging materials, soil additives or building materials, to the use of water-absorbing polymer structures, and to the use of thermoplastic polymers.
C08J 3/24 - Réticulation, p. ex. vulcanisation, de macromolécules
C08L 33/02 - Homopolymères ou copolymères des acidesLeurs sels métalliques ou d'ammonium
C08L 101/14 - Compositions contenant des composés macromoléculaires non spécifiés caractérisées par des propriétés physiques, p. ex. anisotropie, viscosité ou conductivité électrique les composés macromoléculaires étant solubles dans l'eau ou gonflables dans l'eau, p. ex. gels aqueux
26.
SKIN PROTECTIVE MEDIUM, IN PARTICULAR COLD PROTECTIVE CREAM
The invention relates to a silicone-free skin protective medium, in particular cold protective medium containing the following components: (a) at least one oil having a pour point in accordance with DIN ISO 30 16 of ≤ -10°C, (b) at least one polyol, (c) at least one emulsifier, (d) optionally, at least one wax. The difference in viscosity in the temperature interval of +4°C to +50°C between the highest and the lowest viscosity of the skin protective medium has a value ranging from 0 to ≤ 20000 mPas.
A61Q 17/00 - Préparations protectricesPréparations employées en contact direct avec la peau pour protéger des influences extérieures, p. ex. des rayons du soleil, des rayons X ou d'autres rayons nuisibles, des matériaux corrosifs, des bactéries ou des piqûres d'insectes
A61Q 19/00 - Préparations pour les soins de la peau
27.
VISUALIZATION OF THE LIQUID DISTRIBUTION IN SANITARY ARTICLES
The invention relates to a method for generating an image of an absorptive layer (1), comprising the following steps: a. a dummy (2) of a wearer is provided that has a wearer's surface (3); b. at least part of the wearer's surface (3) is covered with at least a subarea (4) of the absorptive layer (1) so as to obtain a covered zone (5); c. a test liquid (6) is introduced into the subarea (4); d. at least one physical variable of the covered zone (5) is determined so as to obtain an image (8) of at least one sector of the absorptive layer (1), said image containing a diffusion area (9) of the test liquid (6). The test liquid (6) and at least the subarea (4) differ in respect of the sum of the physical variable. The invention also relates to a method for evaluating an absorptive layer, a method for producing an absorptive layer, and a device for evaluating an absorptive layer.
A61F 13/15 - Garnitures absorbantes, p. ex. serviettes ou tampons hygiéniques pour application externe ou interne au corpsMoyens pour les maintenir en place ou les fixerApplicateurs de tampons
28.
PROCESS FOR PREPARING ACRYLIC ACID PURIFIED BY CRYSTALLIZATION FROM HYDROXYPROPIONIC ACID AND APPARATUS THEREFOR
The invention relates to a process for preparing acrylic acid and to a process for preparing polyacrylic acid comprising the process steps of: a1) preparing 3-hydroxypropionic acid from a biological material to obtain a fluid, especially aqueous, phase comprising 3-hydroxypropionic acid; a2) dehydrating the 3-hydroxypropionic acid to obtain a fluid, especially aqueous, solution comprising acrylic acid, a3) purifying the solution comprising acrylic acid by a suspension crystallization or a layer crystallization to obtain a purified phase; and to appropriate apparatus for performing these processes, and also acrylic acid and polyacrylates. The invention is notable in that it is possible thereby, with simple means, to efficiently, inexpensively and sustainably prepare acrylic acid or polyacrylates with a high degree of purity based on renewable raw materials.
The invention relates to a method comprising at least the following steps: a) glycerin is dehydrated so as to obtain a dehydrated product containing acrolein; b) the dehydrated product is subjected to gas phase oxidation so as to obtain a monomer gas containing acrylic acid; c) the monomer gas is contacted with a quenching agent so as to obtain a quench phase containing acrylic acid; d) the quench phase is reprocessed so as to obtain a monomer phase containing acrylic acid. A liquid phase (a1) and a gas phase (a2) are provided during the dehydration process, a plurality of gas bubbles being produced in the liquid phase (a1). The invention further relates to a method for producing polymers by polymerizing acrylic acid, preferably for producing water-absorbing polymers, the water-absorbing polymers obtained by means of said method, a compound, a method for producing a compound, the compound obtained by means of said method, and other chemical products.
C07C 45/52 - Préparation de composés comportant des groupes C=O liés uniquement à des atomes de carbone ou d'hydrogènePréparation des chélates de ces composés par pyrolyse, réarrangement ou décomposition par déshydratation et réarrangement faisant intervenir deux groupes hydroxyle de la même molécule
C07C 51/25 - Préparation d'acides carboxyliques, de leurs sels, halogénures ou anhydrides par oxydation avec l'oxygène moléculaire de composés non saturés ne contenant pas de cycle aromatique à six chaînons
B01J 8/02 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés avec des particules immobiles, p. ex. dans des lits fixes
B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés
C08F 2/20 - Polymérisation en suspension utilisant des agents de dispersion macromoléculaires
C08F 20/06 - Acide acryliqueAcide méthacryliqueLeurs sels métalliques ou leurs sels d'ammonium
C08F 120/06 - Acide acryliqueAcide méthacryliqueLeurs sels métalliques ou leurs sels d'ammonium
C08F 220/06 - Acide acryliqueAcide méthacryliqueLeurs sels métalliques ou leurs sels d'ammonium
C08L 33/02 - Homopolymères ou copolymères des acidesLeurs sels métalliques ou d'ammonium
C09D 133/02 - Homopolymères ou copolymères d'acidesLeurs sels métalliques ou d'ammonium
The present invention relates to a device (1) for producing acrylic acid, comprising a first reactor (2) and at least one other reactor (3), at least the first reactor (2) being a tubular reactor with a plurality of tubes (4) that enclose a catalyst that catalyzes the synthesis of acrolein, with the tubes (4) discharging into a collecting chamber (6), which can be connected for fluid flow through a discharge area (7) to the at least one other reactor (3), with the discharge area (7) comprising means of smoothing flow (8), which bring about a laminar flow profile of a gas flowing through the discharge area (8). The invention also relates to a method for producing acrylic acid, an acrylic acid, a method for producing a hydrophilic polymer, a hydrophilic polymer, a method for producing a water-absorbing hygiene article, chemical products such as fibers, molded objects or films, and to the use of an acrylic acid.
C07C 57/05 - Préparation par oxydation en phase gazeuse
B01J 8/06 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés avec des particules immobiles, p. ex. dans des lits fixes dans des réacteurs tubulairesProcédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés avec des particules immobiles, p. ex. dans des lits fixes les particules solides étant disposées dans des tubes
31.
SURFACE POST-CROSS-LINKED SUPERABSORBER TREATED WITH ALUMINIUM LACTATE AND OPTIONALLY ALUMINIUM SULPHATE
The invention relates to a method for producing water-absorbent polymer structures, comprising the following steps: i) an untreated, water-absorbent polymer structure is provided; ii) the untreated, water-absorbent polymer structure is brought into contact with a salt comprising a divalent or higher-valent cation of a metal and at least one organic base as an anion. The invention also relates to water-absorbent polymer structures that can be obtained using said method, to water-absorbent polymers, to a composite containing a water-absorbent polymer structure and a substrate, to a method for producing a composite, to the composite obtained using said method, to chemical products such as foams, moulded bodies and fibres containing water-absorbent polymer structures or a composite, to the use of water-absorbent polymer structures or a composite in chemical products and to the use of a salt for treating the surface of water-absorbent polymer structures.
The invention relates to water-absorbent polymer structures containing 0.001 to 10 percent by weight of a coloring agent, the percentage being in relation to the total weight of the water-absorbent polymer structures. The inventive water-absorbent polymer structure is characterized by an L value of less than 90 according to the L,a,b color system, said L value being determined using a test method that is described herein, or the coloring agent is homogeneously distributed inside the water-absorbent polymer structure. The invention also relates to a method for producing water-absorbent polymer structures, the polymer structures obtained by means of said method, a compound containing water-absorbent polymer structures and a substrate, a method for producing a compound, a compound obtained with the aid of said method, chemical products containing water-absorbent polymer structures or a compound, and the use of water-absorbent polymer structures or a compound in chemical products.
A61F 13/15 - Garnitures absorbantes, p. ex. serviettes ou tampons hygiéniques pour application externe ou interne au corpsMoyens pour les maintenir en place ou les fixerApplicateurs de tampons
A61L 15/22 - Bandages, pansements ou garnitures absorbant les fluides physiologiques tels que l'urine, le sang, p. ex. serviettes hygiéniques, tampons contenant des matériaux macromoléculaires
The invention relates to a superabsorbent polymer composition containing: a water-absorbent polymer structure that is at least surface cross-linked and comprises a surface; a plurality of fine-grained particles that is at least partially immobilised on the surface of the structure. The invention also relates to a method for producing a superabsorbent polymer composition, to the superabsorbent polymer composition that can be obtained using said method, to a composite comprising the superabsorbent polymer composition according to the invention, to a method for producing a composite, to the composite that can be obtained using said method, to the use of the superabsorbent polymer composition according to the invention in chemical products and to chemical products comprising said superabsorbent polymer composition or composite.
The invention relates to a method for producing a super-absorbent composition, said method comprising the following steps: i. production of a hydrogel by the radical polymerisation of an aqueous monomer solution containing at least one monomer; ii. drying of the hydrogel with a view to obtaining a water-absorbent polymer structure; iii. superficial cross-linking of the water-absorbent polymer structure with a view to obtaining a superficially cross-linked water-absorbent polymer structure; and iv. integration of a starch compound in one, or at least two, of the variants V1 to V6, V1 in method step i in the monomer solution, V2 following method step i and before method step ii in the hydrogel, V3 in method step ii, V4 following method step ii and before method step iii in the water-absorbent polymer structure, V5 in method step iii, and V6 following method step iii on the superficially cross-linked water-absorbent polymer structure. The invention also relates to a super-absorbent composition that can be obtained according to said method, to a particulate super-absorbent composition, and to a composite, a hygiene article core and a hygiene article, other chemical products, and the use of said super-absorbent composition in chemical products.
C08F 2/44 - Polymérisation en présence d'additifs, p. ex. plastifiants, matières colorantes, charges
A61L 15/22 - Bandages, pansements ou garnitures absorbant les fluides physiologiques tels que l'urine, le sang, p. ex. serviettes hygiéniques, tampons contenant des matériaux macromoléculaires
The invention relates to a method of producing an abrasive substance, where natural kernels, shells, fruit skins and/or seeds are ground to give a flour of defined particle size, the flour is treated in aqueous suspension with at least one bleaching agent, in which the addition of the bleaching agent takes place in two steps, where, in the first step, at least 40% by weight to 90% by weight of the total amount of bleaching agent is added and the flour is sterilized in the acidic medium and, in the second step, the lightening and degreasing of the flour is brought about by the simultaneous metered addition of the remainder of the bleaching agent with an alkali solution in alkaline medium, and its use in cosmetic preparations.
A61K 8/97 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des produits de constitution indéterminée ou leurs dérivés à base d’algues, de champignons, de lichens ou de plantesCosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des produits de constitution indéterminée ou leurs dérivés à base de leurs dérivés
A61Q 19/10 - Préparations pour le nettoyage ou le bain
C11D 3/382 - Produits végétaux, p. ex. farine de soja, farine de bois, sciure de bois
The invention generally relates to a deodorizing super-absorbent composition, a method for producing a deodorizing super-absorbent composition, a compound containing a deodorizing super-absorbent composition, a hygiene article containing a compound, chemical products containing or based on a deodorizing super-absorbent composition or a compound, and the use of a deodorizing super-absorbent composition or a compound in chemical products.
A61L 15/22 - Bandages, pansements ou garnitures absorbant les fluides physiologiques tels que l'urine, le sang, p. ex. serviettes hygiéniques, tampons contenant des matériaux macromoléculaires
brevets