Abstract: Disclosed are a method of preparing a superabsorbent polymer that includes a fine-powder regranulate and has improved properties owing to the use of an additive, and a superabsorbent polymer prepared thereby, wherein the superabsorbent polymer can exhibit improved properties, including high centrifugal retention capacity (CRC) and fine-powder agglomeration strength, without decreasing absorption under pressure (AUP) or permeability, compared to when no additive is used during the formation of a fine-powder regranulate, and furthermore, the fine powder is recycled, thus reducing processing costs, thereby generating economic benefits.

Abstract: Disclosed is an attrition-resistant superabsorbent polymer, including a superabsorbent polymer, porous superhydrophobic microparticles, and water, thus increasing moisture content of the superabsorbent polymer and a method of manufacturing the attrition-resistant superabsorbent polymer is also provided.

Abstract: The present invention relates to a method for preparing a superabsorbent polymer including a) preparing a hydrogel phase polymer by thermopolymerizing or photopolymerizing a monomer composition including a water-soluble ethylenically unsaturated monomer and a polymerization initiator; b) chopping the hydrogel phase polymer; c) adding particles having properties of the following i) and ii) to the chopped hydrogel phase polymer; d) chopping the particle-added hydrogel phase polymer again; e) drying the hydrogel phase polymer; f) milling the dried hydrogel phase polymer; g) adding a surface crosslinking agent to the milled hydrogel phase polymer; and h) carrying out a surface crosslinking reaction. i) BET specific surface area of 300 m2/g to 1500 m2/g, ii) Porosity of 50% or greater.

Abstract: The present invention relates to a lipid nanomaterial containing lysophosphatidylcholine or an ether derivative thereof, a method for preparing the same, a method for reducing erythrocyteolysis and hemagglutination using the compound, and a pharmaceutical agent containing the lipid nanomaterial. The present invention contains lysophosphatidylcholine or an ether derivative thereof as an active ingredient, and can be useful as a treatment agent for septicemia, bacterial infection diseases, and the like.

Abstract: Provided are methods of evaluating deodorizing ability of a superabsorbent polymer and a product including the same. According to the methods of evaluating deodorizing ability of the present invention, deodorizing ability of the superabsorbent polymer and the product including the same may be evaluated by measuring changes in the concentration of ammonia naturally generated in a wet state which is made close to the actual use environment. Accordingly, the deodorizing ability of the superabsorbent polymer and the product including the same may be evaluated more accurately and efficiently.

Abstract: Disclosed herein is an apparatus for recommending privacy control, which includes a relevant information collection unit for collecting relevant information to be used to recommend privacy control in response to a request for personal information of a user from an application; a privacy control recommendation unit for selecting privacy control to be recommended, corresponding to the request for the personal information, from a privacy control pattern of the user using the relevant information; an interface unit for providing an interface that provides information about the request and the recommended privacy control to the user and receives a selection of privacy control from the user; and a privacy control processing unit for processing the personal information of the user depending on the selected privacy control and providing the processed personal information to the application.

Abstract: Disclosed herein are a terminal apparatus, a server apparatus, and a method for FIDO universal authentication using a blockchain. The method includes sending, by the terminal apparatus, a FIDO service request for any one of FIDO registration, FIDO authentication, and FIDO deregistration for an application service provided by the server apparatus to the server apparatus; verifying, by the blockchain, a FIDO service response message, which is created as a result of local authentication of a user in the terminal apparatus in response to the FIDO service request; and processing, by the server apparatus, the FIDO service request based on whether the FIDO service response message is successfully verified by the blockchain.

Abstract: The present invention relates to a method for preparing superabsorbent polymer that has antibacterial activity, in which the basic properties of superabsorbent polymer are maintained or improved, and may exhibits excellent bacterial proliferation inhibition effect, and superabsorbent polymer prepared thereby. The preparation method of superabsorbent polymer comprises the steps of: forming base polymer powder using hydogel polymer comprising crosslinked polymer, and then, surface crosslinking the base polymer powder using a surface crosslinking solution comprising a surface crosslinking agent and cuprous oxide, wherein the cuprous oxide is included in the content of 0.001 to 2.5 parts by weight, based on 100 parts by weight of the base polymer powder.

Abstract: Disclosed herein is a method for preparing a superabsorbent polymer for absorbing blood or highly viscous liquid including a) providing a superabsorbent resin; b) pre-treating the superabsorbent resin of step a) by mixing a water-soluble polyvalent cationic salt in an amount of 0.001 to 5.0 parts by weight, based on 100 parts by weight of the superabsorbent resin provided in step a); and c) surface treating the pre-treated superabsorbent resin of step b) by mixing a polycarbonic acid-based copolymer in an amount of 0.001 to 5.0 parts by weight, based on 100 parts by weight of the superabsorbent resin provided in step a).

Abstract: Disclosed herein is a superabsorbent polymer with a surface modified with both a polyvalent cationic salt and a polycarbonic acid-based copolymer, which is able to effectively absorb blood or highly viscous liquid, and a method for preparing the same.

Abstract: The present invention relates to a method for preparing superabsorbent polymer fiber and superabsorbent polymer fiber prepared thereby. According to the preparation method of the present invention, superabsorbent polymer in the form of fiber or non-woven fabric that maintains super absorbency function can be prepared.

Abstract: Disclosed herein is a superabsorbent polymer with a surface modified with both a water-soluble polyvalent cationic salt and a polycarbonic acid-based copolymer, wherein an improvement is brought about in processability without significant degradation of other properties and a method is provided for preparing the surface-modified superabsorbent polymer.

Abstract: The present invention relates to a super absorbent polymer and a manufacturing method thereof. More particularly, the present invention relates to a manufacturing a fine powder reassembly in which excellent physical properties are maintained.

Abstract: The present disclosure relates to a preparation method for an acrylic acid-based polymer. According to the preparation method for an acrylic acid-based polymer of the present disclosure, unreacted monomers may be reduced and a high quality acrylic acid-based polymer can be prepared. In addition, it is not necessary to increase the time or the temperature in the polymerization step or the aging step, thereby maintaining the high productivity.

Abstract: The present invention relates to a method for preparing superabsorbent polymer with improved anti-caking, and according to the present invention, a method for preparing superabsorbent polymer that has properties equivalent to or more excellent than the existing superabsorbent polymer but has improved anti-caking, and thus, has excellent processability, and superabsorbent polymer prepared thereby, are provided.

Abstract: Disclosed herein is a superabsorbent polymer with a surface crosslinked with a water-soluble polyvalent cationic salt, a polycarbonic acid-based copolymer, and a surface crosslinking agent wherein an improvement is brought about in physical properties, with the concomitant reduction of process time and cost. Also, a method is provided for preparing the surface-crosslinked superabsorbent polymer.

Abstract: Disclosed is a method of preparing a superabsorbent polymer, including a) drying and pulverizing a hydrogel polymer, and then classifying into a first fine powder having a particle size of less than 150 ?m and a base polymer having a particle size of 150 to 850 ?m; b) mixing a portion of the first fine powder, water and an additive, thus preparing a first fine-powder regranulate; c) passing the first fine-powder regranulate through a chopper and then performing drying and pulverizing; and d) classifying the pulverized first fine-powder regranulate into a superabsorbent polymer having a particle size of 150 to 850 ?m and a second fine powder having a particle size of less than 150 ?m, thus yielding the superabsorbent polymer.

Abstract: The present invention relates to an attrition-resistant superabsorbent polymer comprising a superabsorbent polymer; water; and at least three selected from the group consisting of particles having i) a BET specific surface area of 300 to 1500 m2/g and ii) a porosity of 50% or more, a multivalent metal salt, an organic acid and a polyhydric alcohol, and a preparation method thereof.

Abstract: The present invention relates to a superabsorbent polymer composition. Since the superabsorbent polymer composition comprises aluminosilicate particles capable of effectively adsorbing and decreasing compounds inducing odor in sanitary products such as a diaper, etc. without deterioration of the properties of superabsorbent polymer such as centrifugal retention capacity, absorbency under load, and penetration, and does not induce caking, it can be usefully used in sanitary products, etc.

Abstract: Disclosed are a surface-modified superabsorbent polymer and a method of preparing the same, wherein a superabsorbent polymer is surface-modified with the addition of a water-soluble salt having a multivalent cation and superhydrophobic microparticles, thereby improving attrition resistance, permeability and absorption speed without significantly deteriorating the other properties thereof.