Abstract: Water-absorbing resin particles, in which a light transmittance at a wavelength of 425 nm when the water-absorbing resin particles are swollen 30 times with a physiological saline solution is 20% or more, are disclosed.

Abstract: A blood treatment material adsorbs and removes blood components such as activated leukocytes and inflammatory cytokines with a high efficiency. The blood treatment material includes a water-insoluble material in the form of fibers or particles, wherein the difference between the maximum value (RaA) and the minimum value (RaB) of the arithmetic average roughness (Ra) of the surface of the water-insoluble material, as calculated using a laser microscope, is from 0.30 to 1.50 ?m.

Abstract: The present disclosure relates to a preparation method of a super absorbent polymer composition. More specifically, it relates to a preparation method of a super absorbent polymer composition capable of pulverizing the hydrogel polymer to a normal particle size without agglomeration between particles by adding an additive having a specific structure, reducing manufacturing cost by simultaneously performing a drying process and a surface cross-linking process, and significantly reducing the amount of fine powder generated during the process.

Abstract: Provided are a lithium adsorbent and a preparation method therefor. A raw material for preparing the lithium adsorbent includes a lithium adsorbent active material and an auxiliary material, where the auxiliary material includes a hydrophilic binder and reinforcing fibers, and the use of the reinforcing fibers and the hydrophilic binder strongly prevents the propagation of brittle cracks caused by volume expansion and contraction of the lithium adsorbent active material during use, significantly increasing the strength and cycle life of the lithium adsorbent, while the use of the hydrophilic binder increases the adsorption rate and capacity of the lithium adsorbent.

Abstract: The disclosure relates to porous and non-porous silica capsules (capsules in capsule or core-shell capsules), porous microspheres, as well as their direct phase emulsification process without surfactant and their use, wherein the particles comprise a liposoluble active/payload.

Abstract: A polymer/activated carbon composite made up of a branched polyethylenimine and magnetic cores involving Fe3O4 disposed activated carbon. The magnetic cores have activated carbonyl groups on the surface. A process for removing organic dyes, such as methyl red, as well as heavy metal ions from a polluted aqueous solution or an industrial wastewater utilizing the composite is introduced. A method of synthesizing the polymer/activated carbon composites is also specified.

Abstract: A polymer/activated carbon composite made up of a branched polyethylenimine and magnetic cores involving Fe3O4 disposed activated carbon. The magnetic cores have activated carbonyl groups on the surface. A process for removing organic dyes, such as methyl red, as well as heavy metal ions from a polluted aqueous solution or an industrial wastewater utilizing the composite is introduced. A method of synthesizing the polymer/activated carbon composites is also specified.

Abstract: A polymer/activated carbon composite made up of a branched polyethylenimine and magnetic cores involving Fe3O4 disposed activated carbon. The magnetic cores have activated carbonyl groups on the surface. A process for removing organic dyes, such as methyl red, as well as heavy metal ions from a polluted aqueous solution or an industrial wastewater utilizing the composite is introduced. A method of synthesizing the polymer/activated carbon composites is also specified.

Abstract: A polymer composition including a thermoplastic base polymer, and an inorganic desiccant material, selected from the group consisting of molecular sieves, zeolites, silica gel, clay, hydrate salts, metal oxides and mixtures thereof, and an additive, as well as methods of producing the polymer composition and an article of manufacture of the polymer composition.

Abstract: Bait and capture methods and compositions for removing bio-synthetic nano-particles from body fluids. Bio-synthetic nano-particles are baited with one-half of a bait and capture complex and lyophilized. The baited bio-synthetic nano-particle is reconstituted and administered to a subject for diagnostic or therapeutic purposes. To remove the bio-synthetic nano-particle from the body, the body fluid containing the baited bio-synthetic nano-article is contacted with the capture portion of the bait and capture complex. The body fluid from which the bio-synthetic nano-particles have been removed may be returned to the subject.

Abstract: The invention relates to superabsorbent polymer that not only has excellent basic absorption performance, but also exhibits more improved permeability under pressure, and thus, can improve rewet property and leak inhibition property of hygienic products such as a diaper, and the like, and a method for preparing the same. The superabsorbent polymer comprises base resin powder comprising first crosslinked polymer of water soluble ethylenically unsaturated monomers having acid groups of which at least a part are neutralized; and a surface crosslink layer on the base resin powder, comprising second crosslinked polymer formed by additional crosslinking of the first crosslinked polymer by a surface crosslinking agent, wherein the surface crosslinking agent comprises a polymer type first surface crosslinking agent having number average molecular weight of 300 or more, and having plural hydroxy groups or epoxy groups.

Abstract: Superabsorbent polymer material comprising cross-linked polyacrylic acid and salts thereof. The superabsorbent polymer material further comprising at least 3.0 weight-%, based on the total weight of the superabsorbent polymer material, of soluble polyacrylic acid polymers. A method for making such superabsorbent polymer materials is also disclosed.

Abstract: A process for producing superabsorbents, comprising polymerization of a monomer solution and thermal surface postcrosslinking, wherein the monomer solution comprises at least 0.75% by weight of a hydroxyphosphonic acid or salts thereof, calculated on the basis of the total amount of monomer used, and at least 0.09% by weight of aluminum cations, calculated on the basis of the total amount of polymer particles used, is added to the polymer particles before, during or after the thermal surface postcrosslinking.

Abstract: A composition is provided for removal of a target substance from a fluid stream. The composition may be used to remove polyfluorinated alkyl substances (PFAS) from water. The composition comprises a support material comprising an alumina; and a sorbent molecule that comprises a core polymer; wherein the core polymer is covalently linked to the support material; and wherein the sorbent molecule further comprises one or more covalently linked sorbent groups. Processes for removal of target substances such as PFAS are also provided.

Abstract: A three-dimensional product is produced by providing a support medium in a container, introducing a production material into the support medium by means of the at least one insertion nozzle, and curing the production material. In the process, the support medium contains particles made of solid matter.

Abstract: Stationary phase materials for performing size exclusion chromatography are provided. The stationary phase materials include porous inorganic-organic hybrid particles surface-modified with a hydroxy-terminated polyethylene glycol silane.

Abstract: A low-cost hydrogen storage material has hydrogen absorption (storage) and desorption properties suitable for hydrogen storage. A hydrogen storage container including the hydrogen storage material and a hydrogen supply apparatus including the hydrogen storage container are disclosed. The hydrogen storage material includes an alloy having a specific elemental composition represented by Formula (1), in which, in a 1000×COMP image of a cross section of the alloy obtained by EPMA, a plurality of phases enriched with R are present, the phases having phase diameters of 0.1 ?m or more and 10 ?m or less, and 100 or more sets of combinations of two phases in the phases are present in a visual field of 85 ?m×120 ?m in the COMP image, the shortest separation distance between the two phases being 0.5 to 20 ?m. [Chem.

Abstract: A method of preparing an adsorbent can include pyrolyzing sugarcane bagasse to provide a bagasse char, activating the bagasse char, dissolving polyolefin waste in an organic solvent to obtain a solution, dispersing the bagasse char in the solution to provide a mixture, extracting the organic solvent from the mixture to provide a composite, and annealing the composite to provide the adsorbent. The adsorbent can be porous.

Abstract: A highly permeable superabsorbent is prepared by a process comprising polymerizing an aqueous monomer solution comprising a) at least one ethylenically unsaturated monomer which bears acid groups and is optionally at least partly in salt form, b) at least one crosslinker, c) at least one initiator, d) optionally one or more ethylenically unsaturated monomers copolymerizable with the monomers mentioned under a), and e) optionally one or more water-soluble polymers; drying the resulting polymer, optionally grinding the dried polymer and sieving the ground polymer, optionally surface postcrosslinking the dried and optionally ground and sieved polymer, wherein, after drying, grinding or sieving, and, if surface postcrosslinking is conducted, during or after this surface postcrosslinking, x-ray-amorphous aluminum hydroxide powder is added.

Abstract: Siloxane compounds are removed from the atmospheres by silica supporting an organic sulfonic acid compound. The silica with the organic sulfonic acid compound has a specific surface area down to 500 m2/g and up to 750 m2/g and a pore volume down to 0.8 m3/g and up to 1.2 m3/g, both measured by nitrogen gas adsorption method and has a pore diameter down to 4 nm and up to 8 nm, at the peak of differential pore volume measured by nitrogen gas adsorption method. The durability of gas sensing element against siloxanes is improved.

Abstract: Filters comprising a Chlorella ellipsoidea by-product (lipid-free biomass) for aquaculture wastewater treatments and methods for removing ammonia, phosphorous, and organic matter from aquaculture wastewater using such filters. The filters have multiple layers of a compressed Chlorella ellipsoidea lipid free biomass by-product of Chlorella ellipsoidea biodiesel production, wherein each of the multiple layers is separately changeable.

Abstract: A method of preparing a superabsorbent polymer having a rapid absorption rate and an improved water retention capacity by additional heat treatment while using a thermally degradable internal crosslinking agent and an encapsulated foaming agent at the same time during polymerization. A superabsorbent polymer prepared by this method is also provided, the superabsorbent polymer having a centrifuge retention capacity (CRC) of 40 g/g to 55 g/g, as measured according to EDANA method WSP 241.3, and an absorption rate of 48 sec or less, as measured by a vortex method.

Abstract: Polypropylene (PP) and polyethylene (PE) blends derived from plastic waste streams and a method to prepare reusable oil sorbents. A method includes separating plastics of group-A from group-B using a float-sink technique, where group-A comprises various PP and PE materials, and group-B comprises polystyrene, polyethylene terephthalate, and polyvinyl chloride; dissolving the group-A plastics in a solvent; adding a cavity forming agent to the solution; applying the solution onto a solid substrate through spin-coating followed by controlled heating; and extracting the cavity forming agent, obtaining a thin film sorbent with swellable cavities for oil sorption. The film contains 400-800 swellable 3D cavities/cm2, each cavity capable of swelling 20-30 times the thickness of the film when contacted with oil.

Abstract: Water-absorbing resin particles have a repulsion rate of 5% or more according to the formula (h3?h2)/h1×100(%) when a cylinder with an inner diameter of 25.4 mm, which has a mesh-like bottom onto which 0.2 g of the water-absorbing resin particles are sprinkled, is placed in a container having ion exchange water in an amount of 30 times a mass of the water-absorbing resin particles, where h1 represents a free swelling height (mm) of the water-absorbing resin particles after 1 minute from initiation of water absorption, h2 represents a height (mm) of the water-absorbing resin particles after a load of 1.3×103 Pa is applied to the water-absorbing resin particles for 1 minute after 1 minute from initiation of the water absorption, and h3 represents a height (mm) of the water-absorbing resin particles after 1 minute from release of the load applied when measuring h2.

Abstract: A composition for treating water including an organic soil amendment and having ions bound thereto is beneficial to aid in the removal of aqueous contaminants, such as phosphate, other phosphorus containing compounds, arsenic, arsenic containing compounds, fluorides, and PFAS from water. In these compositions the ions include rare earth cations, iron cations, and mixtures thereof. There are also methods for making these soil amendment compositions, as well as methods for using these compositions to effectively remove contaminants from water.

Abstract: A method for manufacturing a water absorption treatment material made of a plurality of grains includes a preparing step, a pulverizing step, a core portion forming step, and a coating portion forming step. The preparing step is a step of preparing a paper powder to which water-absorbent polymers adhere, the paper powder being derived from a sanitary product. The pulverizing step is a step of pulverizing remaining polymers using a pulverizer. The core portion forming step is a step of forming a core portion constituting each of the grains The coating portion forming step is a step of forming a coating portion so as to cover the core portion, the coating portion containing the paper powder, and the remaining polymers pulverized in the pulverizing step. In the pulverizing step, the remaining polymers left in a state of adhering to the paper powder are subjected to the pulverizer.

Abstract: Polymeric adsorbents useful for solid phase extraction (SPE) comprising a copolymer formed by copolymerizing at least one hydrophobic monomer including divinylbenzene and at least one hydrophilic monomer including acrylonitrile are provided. Also provided are SPE cartridges including a divinylbenzene-acrylonitrile hydrophilic-lipophilic balance adsorbent. Further provided are methods of using a divinylbenzene-acrylonitrile hydrophilic-lipophilic balance adsorbent in conventional and simplified SPE techniques.

Abstract: A device for extracting a molecule of interest from a sample matrix. The device includes a support comprising a support surface; a sealing layer that at least partially coats the support surface; and an extractive phase coating applied to a portion of the sealing layer. The extractive phase coating is adapted to contain the molecule of interest. The sealing layer sufficiently coats the support surface to prevent the support surface from coming in contact with the sample matrix when the extractive phase coating is fully immersed in the sample matrix. Analytical screening devices and methods of manufacture are also disclosed.

Abstract: A polymer comprising a structural unit derived from a compound (A) represented by formula (I): wherein X, Y, R1, R2, R7, R8, R3, R4, R5, R6, J, and n are as defined in the description, provides a resin composition that has an excellent curability and sufficiently polymerizes for curing even in the presence of oxygen in an air atmosphere to form a cured product having excellent appearance.

Abstract: Some aspects of the present disclosure relate to a method comprising obtaining a sorbent polymer composite material, contacting the sorbent polymer composite material with mercury vapor to form a used sorbent polymer composite material; wherein the used sorbent polymer composite material comprises oxidized mercury and wherein the used sorbent polymer composite material emits oxidized mercury vapor; and contacting the used sorbent polymer composite material with a halogen source, so as to result in a treated sorbent polymer composite material. In some embodiments, the treated sorbent polymer composite material emits less than 0.01 ?g oxidized mercury vapor per minute per gram of the treated sorbent polymer composite, compared to a used sorbent polymer composite, when measured at 65° C. in air having a relative humidity of 95%.

Abstract: A packing material, wherein to a porous organic polymer carrier including 60 to 95 mol % of a repeating unit derived from glycidyl methacrylate and 5 to 40 mol % of a repeating unit derived from a polyfunctional monomer, one end of at least one alkylene group selected from a linear alkylene group, a cycloalkylene group, and a linear alkylcycloalkylene group, having 4 to 9 carbon atoms is bonded by a glycidyl group derived from glycidyl methacrylate, and an other end of the alkylene group is bonded to any one end of a polyol via an ether bond.

Abstract: Disclosed is the use of a composite for extracting one or more metal or contaminating chemical species from an aerial or aqueous medium by selective binding, the composite including at least one porous template functionalized by at least one polymer, the polymer including one of the following chemical functions: primary, secondary or tertiary amine, amide, nitrile, pyridine, pyrole, thiol, thiolether, thiophene, thiadiazole, alcohol/hydroxyl, phenol, catechol, pyragalol, carboxylic acid, aldehyde, ester, acyl, crown ether, phosphate, phosphoryl, epoxide, halogen, haloalkane.

Abstract: This disclosure provides polyamine sorbent compositions for the separation of metals from aqueous solutions. The polyamine sorbent compositions comprise a silica support, an aminosilane bound to the silica support, an epoxysilane bound to the silica support, and a polyamine where the polyamine is chemically tethered onto a solid silica support through via the epoxysilane. The polyamine may be further stabilized within the bulk sorbent through hydrogen bonding interactions with the aminosilane. The sorbent compositions resist leaching by H2O in an aqueous stream containing heavy oxyanion-based (and other) metals and demonstrate stability over a pH range of 2-14. The sorbent compositions are useful for the separation of metals from aqueous solutions. The cationic heavy metals are captured by the co-existing amine groups (—NH2, —NH, —N) from the polymeric network while additional metal capture capacity is derived from the introduction of a secondary silane linker.

Abstract: A super absorbent polymer according to the present invention has excellent dryness while maintaining excellent absorption performance, and thus is preferably used for hygienic materials such as diapers, and can exhibit excellent performance.

Abstract: Thermo-responsive hydrogel composite (TRHC) desiccants having high adsorption capacities, fast adsorption/desorption rates, and low regeneration temperatures (Treg) compared to traditional desiccants. TRHC desiccants may be synthesized by freeze drying. The porous structures resulting from freeze drying copolymers of thermo-responsive polymers and/or hygroscopic agents may be combined with hygroscopic inorganic salts, resulting in TRHC desiccants having superior performance properties.

Abstract: In an improved superabsorbent complexed with aluminum ions, the aluminum ions are applied in the form of an aqueous solution comprising aluminum ions, which has the feature that it comprises aluminum ions in a proportion within the range of 0.5%-15% by weight (converted if appropriate to Al3+), based on the total mass of the solution, and further comprises anions of lactic acid (lactate ions) and phosphoric acid (phosphate ions), where the molar proportion of the lactate ions is within the range of 0.01-2.99 times the molar amount of Al3+ and the molar proportion of the phosphate ions is within the range of 0.01-2.99 times the molar amount of Al3+.

Abstract: An absorbent pad has: a first, outer layer comprising a permeable or non-permeable film; a second, outer layer comprising a permeable or non-permeable film, placed on a side of the pad opposite the first, outer layer; a third layer disposed between the first layer and the second layer, and comprising a tissue laminate comprising at least a first ply and a second ply, with at least one chemical agent or system fixed in the third layer and being either activated by contact with or soluble in an aqueous liquid, the at least one chemical agent or system being in a predetermined amount distributed substantially uniformly per unit area of the surface area between the at least first ply and second ply: and a fourth layer disposed between the first layer and the second layer and comprising fluff, with or without a chemical agent or system, the third layer being joined to the fourth layer to serve as a substrate for the fourth layer.

Abstract: Superabsorbent polymers are made of copolymers including a major portion of low molecular weight monomers each individually including a backbone and a charged moiety, a minor portion of high molecular weight monomers each individually including a backbone and a charged moiety, and optionally a crosslinker. The copolymer-based superabsorbent polymers have significantly improved absorbency under load.

Abstract: The present disclosure provides a soap thickener and methods of making the same. The soap thickener includes a metal soap of a carboxylic acid composition in a base oil, wherein the carboxylic acid composition includes a modified fatty acid composition prepared by performing a pericyclic reaction between an unsaturated small molecule and a fatty acid mixture. The present disclosure further provides lubricating compositions that include the soap thickener of the present disclosure and methods of preparing the same.

Abstract: The polymeric composition of this invention can be used as a temporary support material in the additive manufacturing of three dimensional articles without compromising the quality of the ultimate product, reducing printing speed, increasing cost, increasing the incidence of printer jamming, or requiring printers of increased complexity. This invention more specifically discloses a polymeric composition which is particularly useful as a temporary support material for utilization in three-dimensional printing, said polymeric composition being comprised of a first polymeric component which is suitable for use as a modeling material and a second polymeric component which is immiscible with the first polymeric component, wherein the polymeric composition has a continuous phase, wherein the continuous phase is comprised of the second polymeric component, and wherein the polymeric composition has a Shore A hardness of at least 80.

Abstract: One or more embodiments relates to method for generating CHEFS having the steps of generating the CHEFS from a dope. One or more embodiments relates to a method for generating CHEFS having amine functional groups having the steps of generating a dope containing a BIAS with amine groups, at least one polymer, and at least one solvent; and forming CHEFS from the dope, wherein the generated CHEFS have no more than 30% amine loss compared to the BIAS.

Abstract: Provided for are methods of producing triacylglycerol-accumulated microalgae, methods for making bioplastics from triacylglycerol-accumulated microalgae, methods for making alga-mixed plastics, and products including these bioplastics. Methods of triacylglycerol accumulation using centrifugation are also provided. Products such as plastic beads and other consumer products can be made from the bioplastics described herein.

Abstract: A superabsorbent polymer composition exhibiting very improved antimicrobial and deodorizing properties while maintaining basic absorption performance, and can significantly reduce the generation of dust during the application for a process, and thus fulfills both stability and processability and can be usefully applied for hygienic goods such as a diaper and the like. The superabsorbent polymer composition includes: a) superabsorbent polymer particles including a crosslinked polymer of water-soluble ethylenically unsaturated monomers including acid groups, of which at least a part are neutralized, and b) an antimicrobial agent having a controlled particle size, containing a chelating agent including EDTA or an alkali metal salt thereof; a mixture of an organic acid and a silicate-based salt; and an agent for controlling a particle size.

Abstract: The present disclosure is directed to methods and systems of purifying solvents. The purified solvents can be used for cleaning a semiconductor substrate in a multistep semiconductor manufacturing process.

Abstract: The present invention relates to a superabsorbent polymer and a method for producing the same. The superabsorbent polymer includes a core layer polymerized with monomers having carboxylic group, a first shell layer formed from a surface crosslinking agent, and a second shell layer formed from zingiberaceae extracts. By a surface modification on the first shell layer performed from a specific amount of the zingiberaceae extracts, the superabsorbent polymer produced according to the method for producing the same has a good antimicrobial property and deodorizing effects, and retains an original absorbent property.

Abstract: A method of preparing super absorbent polymer includes carrying out a crosslinking polymerization of a monomer mixture comprising a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups, a forming agent, a foam-promoting agent and a silicone-based surfactant in the presence of an internal crosslinking agent to form a hydrogel polymer; drying, pulverizing and classifying the hydrogel polymer to form a base polymer powder; and further crosslinking a surface of the base polymer powder in the presence of a surface crosslinking agent to form a surface crosslinked layer. The method produces super absorbent polymer having not only an excellent absorbent capacity and an absorbency under load but also the rewetting phenomenon can be effectively prevented.

Abstract: The present invention relates to a super-absorbent polymer having excellent properties, both centrifugal retention capacity (CRC) and absorption under pressure (AUP) having been improved by introducing a surface crosslinked layer crosslinked by surface-modified inorganic particles, and to a method for preparing the same. The super-absorbent polymer comprises: a base resin powder containing a crosslinked polymer of water-soluble ethylene-based unsaturated monomers having an at least partially neutralized acidic group; and a surface crosslinked layer formed on the base resin powder, wherein inorganic particles may be chemically bound to the crosslinked polymer contained in the surface crosslinked layer, via an oxygen-containing bond or a nitrogen-containing bond.

Abstract: The method for preparing a super absorbent polymer according to the present disclosure reduces the generating amount of a fine powder while realizing the same particle size distribution in the process of pulverizing the dried polymer, thereby reducing the load of the fine powder reassembly, drying, pulverizing and classifying steps.

Abstract: An absorbent compound and method of making the same, where the absorbent compound includes an amine oxide that comprises about 30% to about 55% of the absorbent compound and a polymer that comprises about 30% to about 55% of the absorbent compound.

Abstract: Provided herein are materials and methods of reducing contamination in a biological substance or treating contamination in a subject by one or more toxins comprising contacting the biological substance with an effective amount of a sorbent capable of sorbing the toxin, wherein the sorbent comprises a plurality of pores ranging from 50 ? to 40,000 ? with a pore volume of 0.5 cc/g to 5.0 cc/g and a size of 0.05 mm to 2 cm and sorbing the toxin. Also provided are kits to reduce contamination by one or more toxins in a biological substance comprising a sorbent capable of sorbing a toxin, wherein the sorbent comprises a plurality of pores ranging from 50 ? to 40,000 ? with a pore volume of 0.5 cc/g to 5.0 cc/g and a size of 0.05 mm to 2 cm and a vessel to store said sorbent when not in use together with packaging for same.