Abstract: Provided is a process for producing a water-absorbing resin powder which contains a given amount of water added thereto, has a low dust content, and has high material properties. When a water-absorbing resin powder which has undergone surface crosslinking is produced on an industrial scale, various problems concerning production are eliminated and a long-term stable operation is possible without causing a deterioration in the material properties of the resin. Even when the process is continued over a long period, the material properties are stabilized (decrease in standard deviation) or improved (improvement in AAP). The process for producing a water-absorbing resin comprises, in the following order, a first classification step for classifying a water-absorbing resin, a surface crosslinking step after the classification, a water addition step for adding water to the water-absorbing resin powder after or during the surface crosslinking, a second classification step, and a conveying step.

Abstract: The present invention relates to a process for producing a water-absorbing polymer structure based on acid group-containing monomers, comprising the process steps of: i) providing a monomer solution comprising the optionally partly neutralized, acid group-containing monomer; ii) mixing the monomer solution with fines which consist at least to an extent of 90% by weight, based on the total weight of the fines, of particles having a particle size of less than 850 ?m, to obtain a monomer solution mixed with fines; wherein the mixing in process step ii) is effected in a mixer in which a first stream of the fines and at least one further stream of the monomer solution are passed from different directions simultaneously to a rotating mixing tool.

Abstract: A method for production of a water-absorbent resin particle which is excellent in a particle strength, and in which even after mechanical impact, a particle diameter retaining rate and a retaining rate of water absorption capacity under pressure are high, and an absorbent material using the same particle. The method includes the steps of polymerizing a water-soluble ethylenic unsaturated monomer using a water-soluble radical polymerization initiator, optionally in the presence of a crosslinking agent, to obtain a water-absorbent resin particle precursor, adding a post-crosslinking agent to crosslink a surface of the particle, adding an amorphous silica particle and adjusting the resulting particle to a moisture content of less than 10%, and subsequently adding moisture to adjust a final moisture content of the resulting particle to 10 to 20%.

Abstract: A process is described for recycling superabsorbent polymer fines into a process that includes treating the superabsorbent polymer fines with caustic and a polymerization step for making the superabsorbent polymer gel. The process requires treating the superabsorbent polymer fines with a caustic, followed by mixture with polymerizable monomer solution, and polymerizing the mixture of the superabsorbent polymer fines and monomer to form the aqueous fluid absorbent polymer. In the process, the fines are incorporated into the new polymer gel and become indistinguishable there from. The gel may then be comminuted into a particulate dried and then separated into a portion having a desired minimum particle size in a fines portion having less than the desired size. The particulate may then be coated with a surface crosslinking agent and surface additives and heated for surface conversion.

Abstract: The present invention relates to a particulate superabsorbent polymer composition which absorbs water, aqueous liquids, and blood, and a process to make the superabsorbent polymers, wherein a superabsorbent polymer is surface treated with a neutralized multivalent metal salt solution having a pH value similar as that of human skin. The present invention also relates to particulate superabsorbent polymer composition having high Gel Bed Permeability and high Absorbency Under Load.

Abstract: The present invention is related to formulations including one or more block copolymers with low polydispersity and bifunctionalized with amines, and an ionic liquid. A method of demulsifying, dehydrating, and desalting crude oils having API gravity ranging between 8 to 30 admixes the formulation with the crude oil in an amount effective to demulsify, dehydrate and/or desalt the crude oils.

Abstract: This invention relates to an absorbent and a passivaton layer for an optical element including the same, which may suppress infiltration of moisture without blocking light, may be applied to flexible substrates and may prevent deterioration of optical elements thus maintaining emission properties during extended use.

Abstract: A composition comprising (a) a meltable solid matrix comprising (i) one or more solid hydrophobic substance, and (ii) one or more solid hydrophilic substance, and (b) distributed in said matrix, one or more encapsulation complex of a volatile cyclopropene compound encapsulated in a molecular encapsulation agent. Also provided is a method of treating plants or plant parts comprising placing said plants or plant parts and the composition of claim 1 into a container and allowing said plants or plant parts and said composition of claim 1 to remain together in said container for 1 day or longer.

Abstract: A humidity sensitive composition which consists: a) of 5 to 50% by weight of a water and/or water vapour absorbing agent; b) 10 to 60% of a water vapour absorbing and releasing agent selected from perlite or vermiculite; c) 5 to 50% of an absorbent for small molecules. Is used as the basis for controlling container rain, sequestering carbon dioxide, and removing ozone and hydrogen sulfide from the air.

Abstract: Techniques and compositions for applying films to a variety of substrates, from water-borne coating compositions, are provided. The techniques involve providing desiccant and applying the desiccant with water-borne film-forming composition, in application to a substrate. The desiccant composition provides for take up of free water in of the film-forming composition, without total reliance on ambient conditions, to advantage. Compositions, methods, techniques and resulting constructions are described. The techniques can be applied in wet thick film applications, but are not limited to such applications.

Abstract: Provide is a moisture control construction material which has improved moisture control performance and strength and which is easily produced, and a method for producing the same. The moisture control construction material is produced by forming a raw material that contains aluminum hydroxide and bentonite and/or montmorillonite, and firing the formed: raw material at 700° C. to 1100° C. The raw material contains 30% to 97% by weight aluminum hydroxide and 3% to 70% by weight bentonite and/or montmorillonite, or contains 30% to 90% by weight aluminum hydroxide, 1% to 30% by weight bentonite and/or montmorillonite, and 5% to 69% by weight clay.

Abstract: Provide is a moisture control constructional material which has improved moisture control performance and strength and which is easily produced, and a method for producing the same. The moisture control construction material is produced by forming a raw material that contains aluminum hydroxide and talc, and firing the formed raw material at 700° C. to 1100° C. The raw material contains 20% to 95% by weight aluminum hydroxide and 5% to 80% by weight of the talc-like material. The raw material may further contain at least one of clay and bentonite and/or montmorillonite.

Abstract: Coatings configured to change between a relatively higher reflectivity state and a relatively lower reflectivity state depending at least partially upon a hydration state of at least a portion of the coating are generally disclosed. Some example coatings may include a selectively reflective layer comprising superabsorbent particles. The superabsorbent particles may have a relatively higher reflectively when substantially dry and a relatively lower reflectivity when substantially hydrated. When substantially dry, the selectively reflective layer may reflect a first fraction of incident light. When substantially hydrated, the selectively reflective layer may reflect a second fraction of the incident light. The first fraction of the incident light may be greater than the second fraction of the incident light.

Abstract: The present invention provides a water absorbing agent, and a method for producing the water absorbing agent. The water absorbing agent includes water absorbent resin particles, an organic acid and/or salt thereof having carbon number of 10 or more and not more than 30 in its molecule, and a water-soluble polyvalent cation. The method includes the step (i) of mixing the water absorbent resin particles, the organic acid and/or salt thereof having carbon number of 10 or more and not more than 30 in its molecule, and the water-soluble polyvalent cation with one another.

Abstract: The invention relates to a process for producing water-absorbing polymer particles with high free swell rate, comprising the steps of polymerization, drying, grinding, classification and thermal surface postcrosslinking, remoisturization and drying again.

Abstract: The present invention provides a moisture-absorbing resin composition comprising resin (A) in an amount of 100 parts by mass, and zeolite in an amount of 40 to 300 parts by mass, wherein resin (A) contains at least one polymer selected from among ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, copolymer of ethylene-ethyl acrylate and acrylonitrile-styrene, and copolymer of ethylene-ethyl acrylate, maleic anhydride, and acrylonitrile-styrene, and a molded product produced through molding of the moisture-absorbing resin composition. The moisture-absorbing resin composition exhibits high moisture absorbency, high moisture absorption rate, and adhesion, and the molded product is produced from the composition.

Abstract: The invention relates to superabsorbent-endowed open-cell foams in the form of sheet materials comprising an open-cell foam and superabsorbent which are not more than 30 mm in thickness. It further relates to processes for their production and also to their use for moisture regulation.

Abstract: The present disclosure provides azeotropic and azeotrope-like compositions comprised of methylperfluoroheptene ethers and ethanol. The present disclosure also provides for methods of use for the azeotropic and azeotrope-like compositions.

Abstract: A method for solidifying cementitious wastewater by combining the wastewater with a super absorbent polymer composition that includes a UV-stabilizer to form a mixture and disposing of the mixture as solid construction waste. The UV-stabilizer may be a stabilizing additive in the super absorbent polymer composition that inhibits the reversion from a solid or semi-solid mixture back to a liquid. In some embodiments, the method includes placing the mixture in UV-light non-transmissive packaging. After placing the mixture in the UV-light non-transmissive packaging, the package is closed and can be permanently sealed. The sealed package with solidified material therein can then be disposed as solid construction waste. The super absorbent polymer composition can include zeolite or other molecular sieves.

Abstract: A liquid membrane matrix is disclosed in the form of an aquaporin containing bulk liquid membrane matrix (BLM), wherein said liquid membrane matrix is formed from a solution of an amphiphilic copolymer detergent wherein transmembrane proteins have been functionally incorporated and wherein said matrix further contains a stabilising oil phase. The uses of the membrane matrix include water extraction from liquid aqueous media by forward osmosis, e.g. for desalination of salt water.

Abstract: The present invention relates to a process for producing surface-modified water-absorbing polymer structures, comprising the process steps of providing a multitude of water-absorbing polymer structures and treating the surface of the water-absorbing polymer structures with a plasma and mixing a filler with the water-absorbing polymer structures. The invention also relates to an apparatus for this process, to the surface-modified water-absorbing polymer structures obtainable by this process, to a composite comprising these surface-modified water-absorbing polymer structures and a substrate, to a process for producing a composite, to a composite obtainable by this process, to chemical products comprising these surface-modified water-absorbing polymer structures or the composite, and to the use of the surface-modified water-absorbing polymer structures or of the composite in chemical products.

Abstract: A film that contains a thermoplastic composition having a substantial portion of a renewable, natural starch polymer, and yet is elastic and exhibits good strength properties, is provided. Although starch is normally chemically incompatible with most elastomeric polymers due to their different polarities, the present inventors have discovered that phase separation may be minimized by selectively controlling certain aspects of the film, such as the nature of the elastomeric polymer and the starch polymer, and other film components, the relative amount of the film components, and the process for making the film.

Abstract: A method of forming a material from a source material including the following steps of grinding the source material to get powders if the source material is not already in the form of powders; sintering the powders with at least one compression step and one thermal processing step; and purifying the material with a gas flow, the gas flow passing through the porosity channels of the material.

Abstract: The present invention provides a water-base or an oil-in-water emulsified product containing optional flavoring additives as desired, which has the effect of moisturizing chewing tobacco (dip), and causing improved flavor as well as a more enjoyable chewing experience. The invention provides a liquid solution that is convenient, at hand, and ready-to-use.

Abstract: An ionic polymer of formula VI wherein each b=0 or 1; X is hydrogen, 1/z of a metal ion of charge z, a protonated nitrogen base, or a tetrasubstituted organic ammonium compound; the molar ratio of q:r:s:t=(100-0.1):(0-99.9):(0-50):(0-30); R1, R2 and R3 are hydrogen or C1-4 alkyl; R4, R5, R6 and R7 are hydrogen, C1-4 alkyl or F, wherein F is a functional group that imparts a property to polymer VI, at least one and no more than two of R4, R5, R6 and R7 are F and F is the same or different; G is a single bond or a C1-30 hydrocarbyl group; and for each instance of t when t is not zero, c=0-5 and d=0-5, provided that c+d=1-5, and wherein q, r and s as present in c are independent of any other value of q, r and s.

Abstract: A water absorbing material includes a waste material. The waste material has a content of 20 wt % to 90 wt % to a total weight of the water absorbing material. The waste material is a water absorbing material which is granular and which comprises two or more plastic materials. The water absorbing material has an ignition point of 400° C. or greater, an ash content of 20 wt % or less, a calorific value in a range of 2930 J/g (700 kcal/kg) to 10465 J/g (2500 kcal/kg) in a state after absorbing moisture that has a weight in a range of 1.1 to 1.6 times the total weight, and a carbon dioxide yield in a range of 1700 g/kg to 2500 g/kg.

Abstract: The present invention provides compositions and methods that enable the stabilization and storage of samples by contacting a sample with an assembly of particles, and reducing the water activity level of the contacted sample. By reducing the water activity level of the sample, the assembly of particles minimizes the degradation of the sample. Stabilizers may or may not be added to the assembly of particles to further minimize the degradation of the sample. Subsequently to storage in the assembly of particles, the samples are recoverable by eluting the assembly of particles with a fluid solution. In one embodiment, the entire assembly of particles will dissolve into the solution. In another embodiment, only part of the assembly of particles will dissolve into the solution. The assembly of particles provides the advantage that while it is porous, it comprises non-porous particulate material.

Abstract: A process for producing water-absorbing polymer particles with low caking tendency and high absorption under pressure, comprising polymerization of a monomer solution or suspension, drying of the resulting polymer gel, grinding, classifying, thermal surface postcrosslinking and coating with silicon dioxide, wherein the water-absorbing polymer particles have been coated, before, during or after the surface postcrosslinking with aluminum cations.

Abstract: Swellable nonwovens with reduced washoff loss are produced.

Abstract: Under the presence of at least one out of copper, manganese, nickel, cobalt, iron, zinc, and compounds thereof, a tetravalent titanium salt solution and a basic solution are reacted together to form a hydroxide of titanium and the above metal, and then the titanium hydroxide is peroxidated with an oxidizing agent to manufacture an aqueous liquid or dispersion having therein titanium oxide fine particles having peroxy groups; by using this alone to form a coating film adjacent to a coating film of an organic dye or pigment, or using this to form a coating film together with an organic dye or pigment, a drop in decorativeness of color due to fading or discoloration of a coating material, a printed article, a building material, a fiber, an organic polymer resin product or the like can be prevented, and moreover surface anti-soiling and hydrophilic properties can be realized.

Abstract: A process for producing thermally surface postcrosslinked water-absorbing polymer particles, wherein the water-absorbing polymer particles are coated before, during or after the thermal surface postcrosslinking with at least one polyvalent metal salt, and the polyvalent metal salt comprises the anion of glycolic acid or the anion of a glycolic acid derivative.

Abstract: A liquid membrane system is disclosed in the form of a biochannel containing bulk liquid membrane (BLM), biochannel containing emulsion liquid membrane (ELM), and biochannel containing supported (immobilised) liquid membrane (SLM), or a combination thereof, wherein said liquid membrane system is based on vesicles formed from amphiphilic compounds such as lipids forming a bilayer wherein biochannels have been incorporated and wherein said vesicles further contain a stabilising oil phase. The uses of the membrane system include water extraction from liquid aqueous media by forward osmosis, e.g. for desalination of salt water.

Abstract: The present invention relates to ultrathin fluid-absorbent cores comprising a substrate layer, multicomponent superabsorbent particles and an adhesive, wherein the wet SAP shake-out of superabsorbent particles out of the fluid-absorbent core is less than 10% by weight.

Abstract: Provide are a peptide gel with practically sufficient mechanical strength and a self-assembling peptide capable of forming the peptide gel. The self-assembling peptide is formed of the following amino acid sequence: a1b1c1b2a2b3db4a3b5c2b6a4 where: a1 to a4 each represent a basic amino acid residue; b1 to b6 each represent an uncharged polar amino acid residue and/or a hydrophobic amino acid residue, provided that at least five thereof each represent a hydrophobic amino acid residue; c1 and c2 each represent an acidic amino acid residue; and d represents a hydrophobic amino acid residue.

Abstract: Methods of adjusting the properties of a composition are provided. The compositions comprise a polymer-containing matrix and a filler comprising a hygroscopic salt. Preferred such salts comprise a cage compound selected from the group consisting of borane cage compounds, carborane cage compounds, metal complexes thereof, residues thereof, mixtures thereof, and/or agglomerations thereof, where the cage compound is not covalently bound to the matrix polymer.

Abstract: The present invention relates to ultrathin fluid-absorbent cores comprising a substrate layer, water-absorbent polymer particles and an adhesive, wherein dry SAP shake out of water-absorbent polymer particles out of the fluid-absorbent core is less than 0.6% by weight.

Abstract: A method for producing a water absorbent resin by (i) polymerizing a monomer including an unsaturated monomer containing a carboxyl group, in the presence of an internal cross-linking agent (A) having two or more radical polymerizable unsaturated groups and in the presence of a non-polymeric internal cross-linking agent (B) having two or more functional groups each allowing formation of an ester bond or an amide bond by reacting with a carboxyl group, while crushing a cross-linked polymer hydrogel; and (ii) drying the cross-linked polymer hydrogel of step (i), wherein: an amount of the internal cross-linking agent (A) is 0.01 mol % or more and 0.2 mol % or less relative to an amount of the unsaturated monomer containing a carboxyl group, and a molar ratio (B)/(A) of the internal cross-linking agent (A) and the non-polymeric internal cross-linking agent (B) is 0.01 or more and 1.8 or less.

Abstract: An adhesive composition is provided that is water-insoluble yet water-absorbent, i.e., capable of absorbing up to 15 wt. % water or more. The composition in composed of a film-forming hydrophilic polymer with at least one linear segment having a plurality of recurring polar groups along the polymer backbone, a complementary multifunctional polymer with a plurality of recurring functional groups that noncovalently bind to the polar groups on the film-forming polymer, and plasticizer. A method for manufacturing the adhesive composition is provided as well.

Abstract: The invention provides solvent and cleaning compositions comprising an ionic surfactant, which preferably has a fluorinated portion thereof, and a solvent selected from hydrofluoro- and/or hydrochlorofluoro-olefins. Additionally, the invention provides drying, dry cleaning, and soil repellency compositions containing a hydrofluoro- or hydrochlorofluoro-olefin and said surfactant. Additionally, the invention provides drying compositions containing a hydrofluoro-olefin or hydrochlorofluoro-olefin and an alcohol such as methanol, ethanol or isopropanol.

Abstract: The present invention provides a process for dewatering a mineral slurry concentrate and increasing the production of the resulting filter cake consisting essentially of mixing an aqueous mineral slurry concentrate with an effective amount of a nonionic surfactant and an effective amount of a cationic polymer to form a nonionic surfactant and cationic polymer treated aqueous mineral slurry concentrate, and subjecting the treated aqueous mineral slurry concentrate to a liquid water removal process for dewatering the treated aqueous mineral slurry and for increasing the production of a resulting filter cake of the dewatered mineral slurry. An improved mineral slurry concentrate composition and an improved mineral concentrate filter cake is also disclosed.

Abstract: The present invention relates to water-absorbing polymer structures at least partly comprising hollow bodies with a shell of an inorganic or organic material. The invention further relates to a process for producing water-absorbing polymer structures, to the water-absorbing polymer structures obtainable by this process, to a composite, to a process for producing a composite, to the composite obtainable by this process, to chemical products, for instance foams, moldings or fibers, to the use of water-absorbing polymer structures or of a composite in chemical products, for instance foams, moldings or fibers, and to the use of hollow bodies with a shell of an inorganic or organic material.

Abstract: Improved polisiloxane composite barrier to control, preventing the ingress, limiting the level of H2O within devices sensitive to its presence, method for its production, sensitive devices employing such barriers for the control of the H2O level within.

Abstract: The technology disclosed herein is directed to controlling humidity levels, such as the humidity level in an enclosed environment. The water isotherm of the adsorbent material is customized through the modification of the surface chemistry of the adsorbent. By modifying the surface chemistry of the adsorbent in various ways and to varying degrees, it is possible to customize the adsorbent properties to a range of different humidity levels. Such modification can enhance the adsorbing capacity and efficiency of the adsorbent, especially with regard to low molecular weight water-soluble compounds.

Abstract: Additives for compost for ornamental plants and/or agricultural production plants in the form of granules comprising a) between 5 and 65% by weight on the total weight of the composition of a superabsorbent polymer, for agriculture (SAP), b) between 35 and 70% by weight on the total weight of the composition of a hygroscopic material essentially of vegetable origin; c) between 20 and 40% by weight on the total weight of the composition of a natural plasticizer of mineral or vegetable origin.

Abstract: One exemplary embodiment can be an apparatus for isomerizing a hydrocarbon stream rich in a C4 hydrocarbon and/or at least one of a C5 and C6 hydrocarbon. The apparatus can include: a first drier and a second drier adapted to receive a fluid including at least one reactant; and a reaction zone communicating with the first drier to receive the fluid including at least one reactant and with the second drier to receive the regenerant. Generally, the first drier operates at a first condition to dry the fluid including at least one reactant and the second drier operates at a second condition during regeneration with a regenerant. The regenerant can pass through a fluid tapering device for regulating the flow of the regenerant to the reaction zone.

Abstract: A method of selecting an appropriate resin bonded sorbent composition which may be used at least for in part making an enclosure to protect contents from external humidity including the steps of: a) selecting a plurality of resins, a plurality of sorbents and a plurality of ratios therebetween to form a plurality of composites; b) calculating a plurality of failure times for the plurality of composites, wherein each failure time of the plurality of failure times is based on when an internal relative humidity of each composite of the plurality of composites is equal to the maximum internal relative humidity; c) determining which of the plurality of failure times is greater; and, d) selecting one composite of the plurality of composites based on the result of step (c).

Abstract: The invention relates to water-absorbing polymer particles with improved color stability and to processes for production thereof, wherein the water-absorbing polymer particles comprise at least one optical brightener.

Abstract: The present disclosure relates to particles comprising carboxyalkyl starch that are permeated with an acidic gas and their uses as absorbent materials. It was discovered that superabsorbent materials could be obtained from carboxyalkyl starch particles permeated with the acidic gas and heated to a temperature of at least 100° C. until they reach an AUL at 0.7 psi. of at least 14 g/g and a CRC of at least 18 g/g. Moreover, it was discovered that the pH of alkaline starch extrudates can be adjusted by permeating particles of the extrudate with the acidic gas even with treating the particles to temperatures less than 100° C. The carboxyalkyl starch particles obtained by the methods described herein are characterized as having intramolecular ester bonds, which are greater in number at the surface of the particle than in the core, and the particles have a greater concentration of cation of the acidic gas at the surface than a the core.

Abstract: A molded article including a blend of a self supporting silicone polymer and a sorbent, wherein the sorbent is homogeneously dispersed within the silicone polymer. A method of forming a molding composition including a silicone polymer and a sorbent, wherein the silicone polymer includes a first silicone material and a second silicone material, the first silicone material being different than the second silicone material, the method including the steps of: a) blending the first silicone material and the sorbent into a first blended composition, wherein the sorbent is homogeneously dispersed within the first silicone material; b) blending the second silicone material and the sorbent into a second blended composition, wherein the sorbent is homogeneously dispersed within the second silicone material; and, c) blending the first and second blended composition to form the molding composition, wherein the sorbent is homogeneously dispersed within the molding composition and the molding composition is heat curable.

Abstract: A multi-component synergistic absorbent composition includes at least one polysaccharide and at least one or more polysaccharide-based components or gelling proteins. This composition possesses synergistic effects in its capacity to absorb water, saline solutions and biological fluids, at normal pressure or under load, or to retain these fluids, or a combination of these properties.