Lg Chem, Ltd

Ju Eun Kim

Hyeon Sik Choi

Gi Cheul Kim

Hyo Sook Joo

Ki Youl Yoon

Gicheul Kim

Sung Soo Park

Kiyoul Yoon

Hee Jung Choi

Sung Hyun Park

Seongkyun Kang

Ki Hyun Kim

Hyosook Joo

Do Young Kim

Myung Han Lee

Won Mun Choi

Won Taeck Lim

Seul Ah Lee

Se Yeol Park

Sung Gun Lee

Yeong Min Kim

Yeong Ju Kim

Ji Hye Lee

Hayun Lee

Jihyun Shim

The present disclosure relates to a preparing method of a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. The preparing method of a super absorbent polymer sheet of the present disclosure may prepare a porous flexible super absorbent polymer sheet exhibiting high flexibility and fast absorption rate.

Preparing method of super absorbent polymer sheet and super absorbent polymer sheet prepared therefrom

The present disclosure relates to a preparation method for a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. According to the preparation method of the present disclosure, a porous super absorbent polymer sheet can be prepared by a simplified process.

Preparation method for super absorbent polymer sheet, super absorbent polymer sheet prepared therefrom

A telescopic pipe includes a base pipe having a base inner pipe rotated by external force, and a base outer pipe arranged to receive the base inner pipe; a connecting pipe having a connecting inner pipe coupled to the base inner pipe to be extendable to transfer rotational force, and a connecting outer pipe screw-coupled to the inner circumferential surface of the base outer pipe to be extendable; and a finishing pipe including a finishing inner pipe coupled to the connecting inner pipe to be extendable and to be rotated, and a finishing outer pipe that is interlocked by means of rotation of the finishing inner pipe and is screw-coupled to the inner circumferential surface of the connecting outer-pipe to be extendable, wherein the connecting outer pipe is interlocked by the rotational force of the extended finishing outer pipe and thus is extended and retracted along the base outer pipe.

Telescopic pipe

Provided is a method of preparing a superabsorbent polymer sheet, including polymerization of monomers in the presence of an encapsulated foaming agent and an inorganic foaming agent. According to the method of preparing the superabsorbent polymer sheet of the present invention, a porous flexible superabsorbent polymer sheet may be prepared.

Method of preparing superabsorbent polymer sheet

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.

Method for preparing super-absorbent polymer

The present invention relates to a method for preparing superabsorbent polymer that introduces a plate type and rod-shaped clay additive in the superabsorbent polymer, and thus exhibits basic properties of a superabsorbent polymer equivalent to or much better than the existing superabsorbent polymer through multi-crosslinking, and particularly, can improve absorbency under pressure (AUP), and a superabsorbent polymer obtained thereby.

Method for preparing superabsorbent polymer, and superabsorbent polymer

A method of preparing a superabsorbent polymer sheet by polymerization of monomers in the presence of an encapsulated foaming agent and an inorganic foaming agent is provided. According to the method of preparing the superabsorbent polymer sheet of the present invention, a porous and flexible superabsorbent polymer sheet having an excellent initial absorption rate may be prepared.

Preparation method for super absorbent polymer sheet

The present invention relates to a method for preparing superabsorbent polymer. According to the preparation method of the present invention, the surface penetration depth of a surface crosslinking agent can be appropriately controlled, and superabsorbent polymer with excellent properties can be prepared though homogeneous surface crosslinking. Thus, superabsorbent polymer with improved absorption property can be provided without deterioration of absorbency under load.

Preparation method of super absorbent polymer

A method of preparing a superabsorbent polymer sheet by polymerization of monomers in the presence of an encapsulated foaming agent and an inorganic foaming agent is provided. According to the method of preparing the superabsorbent polymer sheet of the present invention, a porous and flexible superabsorbent polymer sheet may be prepared.

Super-absorbent polymer and method for preparing same

The present disclosure relates to a preparation method of a porous super absorbent polymer exhibiting excellent absorption performance and improved absorption rate due to a novel pore structure, and a porous super absorbent polymer prepared therefrom. The porous super absorbent polymer includes a base resin powder including a cross-linked polymer of a water soluble ethylene-based unsaturated monomer containing acidic groups which are at least partially neutralized, and an inorganic filler contained in the cross-linked structure of the cross-linked polymer, wherein the base resin powder includes a plurality of pores having a diameter of a sub-micron (sub-&#x3bc;m) scale in the cross-linked structure, and an interconnected pore structure in the form of an open channel in which 90% or more of the pores are connected to each other.

Porous super absorbent polymer and preparation method thereof

The present disclosure relates to a super absorbent polymer, including: a base resin powder comprising a first cross-linked polymer of a water soluble ethylene-based unsaturated monomer containing acidic groups which are at least partially neutralized; and a surface cross-linked layer comprising a second cross-linked polymer further cross-linked from the first cross-linked polymer and formed on the base resin powder, wherein the first cross-linked polymer is bound to a porous zeolite in which a mesopore having a BET surface area of at least 100 m/g and a porosity of at least 0.2 cm/g is formed, and a preparation method thereof.

Super absorbent polymer and preparation method thereof

The present invention relates to a super absorbent polymer having a controlled degree of internal crosslinking and thereby having simultaneously improved basic absorption capacity and absorbency under pressure, and a method for producing the same. The super absorbent polymer may comprise a base polymer powder including a cross-linked polymer of a monomer containing a water-soluble ethylenically unsaturated compound or its salt; and a surface cross-linked layer that is formed on the base polymer powder and is further cross-linked from the cross-linked polymer, wherein a glass hollow particle having a micron-scale particle size is included in the cross-linked structure of the cross-linked polymer of the base polymer powder.

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Daejeon, South Korea

Ju Eun Kim