Lg Chem, Ltd

Inha University Research and Business Foundation

Inha University Research and Business

Ye Hon Kim

Je Kyun Lee

Kyoung Shil Oh

Kyoung Jin Lee

Hae Jin Hwang

Jong Ku Lee

Dong Hyun Cho

Mi Ri Kim

Dong Kwon Lee

Sung Min Yu

Jin Hee Oh

Young Sam Kim

Jung Uk Choi

The present invention relates to an apparatus of manufacturing an aerogel sheet. The apparatus of manufacturing the aerogel sheet includes: a fixing vessel into which a blanket is inserted; and an impregnation device putting a silica sol precursor into the blanket inserted into the fixing vessel to impregnate and gelate the silica sol precursor, wherein the impregnation device includes a rotation roller moving from one end to the other end of a top surface of the blanket while rotating to put the stored silica sol precursor into the blanket and thereby to impregnate and gelate the silica sol precursor.

Apparatus of manufacturing aerogel sheet

An apparatus for manufacturing an aerogel sheet including: a supply roller around which a blanket is wound to form a roll; a conveyor belt transferring the blanket wound around the supply roller from one side to the other side thereof; a silica sol supply member injecting the silica sol to a surface of the blanket disposed on the conveyor belt to impregnate the blanket with silica sol; a catalyst supply member injecting a gelling catalyst to the surface of the blanket impregnated with silica sol to gelate the silica sol; a collection roller winding the blanket, which is transferred up to the other side by the conveyor belt, in the form of a roll; and a reaction vessel which accommodates the roll-shaped blanket collected by the collection roller and in which the accommodated blanket is aged, modified by injecting a coating solution, or dried at a high temperature.

Method and apparatus for manufacturing aerogel sheet

The system for preparing silica aerogel according to the present invention comprises a raw material supply part transferring at least one raw material of de-ionized water, water glass, a surface modifier, an inorganic acid, and an organic solvent to a mixing part, the mixing part mixing the raw materials transferred from the raw material supply part to produce silica wet gel, a drying part drying the silica wet gel to produce the silica aerogel, a recovery part recovering a portion of the vaporized raw material of the raw materials used in at least one of the mixing part and the drying part, and a heat transfer part transferring heat to at least one of the mixing part and the drying part, wherein the system further comprises a pulverizing part that pulverizes the raw material from the row material supply part to the mixing part.

System and rotating blade unit for preparing silica aerogel

The present disclosure provides an aerogel-containing composition including an aerogel, a water-soluble binder, a foaming agent, and a mixture of water and a polar organic solvent as a solvent, and an insulation blanket prepared using the same. In the aerogel-containing composition, the aerogel is uniformly dispersed in the composition, and when preparing a blanket, an insulation blanket having low thermal conductivity and flexibility of low density is prepared without concern of shrinkage of the substrate for a blanket and detachment of the aerogel during a drying process.

Aerogel-containing composition and insulation blanket prepared using the same

The present invention relates to a method for manufacturing an aerogel sheet. The method for manufacturing an aerogel sheet includes: a step (a) of preparing silica sol; a step (b) of preparing a gelling catalyst; a step (c) of injecting the silica sol, which is prepared in the step (a), to a surface of a blanket to impregnate the silica sol; and a step (d) of injecting the gelling catalyst, which is prepared in the step (b), to the surface of the blanket, into which the silica sol is impregnated, to gelate the silica sol.

A method for manufacturing an aerogel sheet according to the present invention includes: a step (a) of preparing a blanket having a plate shape; a step (b) of mixing silica sol with gelling catalyst to prepare a silica sol precursor; and a step (c) of injecting the silica sol precursor prepared in the step (b) to a surface of the blanket prepared in the step (a) through an injection device to gelate the silica sol precursor, wherein, in the step (c), the injection device injects the silica sol precursor while moving from one side to the other side of the surface of the blanket.

The present invention relates to a method for manufacturing an aerogel sheet and comprises: a step (a) of impregnating an acid solution into a fiber sheet to clean the fiber sheet by using the acid solution and impregnating a binder solution into the fiber sheet that is cleaned by using the acid solution to manufacture a pre-processed fiber sheet; a step (b) of impregnating a silica precursor into the pre-processed fiber sheet; and a step (c) of a gelling catalyst into the fiber sheet into which the silica precursor is impregnated to gelate the silica precursor.

Apparatus and method for manufacturing aerogel sheet

The present invention relates to a method for manufacturing a composite sheet comprising an aerogel sheet, which comprises: a step (S) of preparing the aerogel sheet (); a step (S) of laminating a fiber sheet () on each of both surfaces of the aerogel sheet (); and a step (S) of applying heat and a pressure to the aerogel sheet () and the fiber sheet (), which are laminated, to bond the sheets to each other and to manufacture the composite sheet () in which the fiber sheet (), the aerogel sheet (), and the fiber sheet () are laminated.

Apparatus and method for manufacturing composite sheet comprising aerogel sheet

The present invention relates to an apparatus of manufacturing an aerogel sheet. The apparatus of manufacturing the aerogel sheet includes: a plurality of fixing vessels into which a fiber sheet is inserted; and an impregnation vessels provided with an accommodation part in which the plurality of fixing vessels are stacked in multistage and a silica precursor injection part which injects a silica precursor into the accommodation part to impregnate the silica precursor into the fiber sheet inserted into each of the fixing vessels.

Apparatus for manufacturing aerogel sheet

The present invention relates to a method for manufacturing a composite sheet comprising an aerogel sheet, which comprises: a step (S) of preparing a fiber sheet (); a step (S) of laminating the aerogel sheet () on each of both surfaces of the fiber sheet (); and a step (S) of applying heat and a pressure to the aerogel sheet () and the fiber sheet (), which are laminated, to bond the sheets to each other and to manufacture the composite sheet () in which the aerogel sheet (), the fiber sheet (), the aerogel sheet () are laminated.

The present invention relates to a method for preparing spherical silica aerogel granules and spherical silica aerogel granules prepared thereby. The method for preparing spherical silica aerogel granules, which is suitable for mass production because droplets of a water glass solution are uniformly dispersed with a uniform size in a non-aqueous solvent using a surfactant in a certain step to reduce a process time and enhance productivity, may be provided. The spherical silica aerogel granules having a uniform size prepared by the method may be provided, wherein the spherical silica aerogel granules have a high working property and excellent flowability.

Method for preparing spherical silica aerogel granules and spherical silica aerogel granules prepared thereby

The system for preparing silica aerogel comprises a raw material supply part transferring at least one raw material of de-ionized water, water glass, a surface modifier, an inorganic acid, and an organic solvent to a mixing part, the mixing part mixing the raw materials transferred from the raw material supply part to produce silica wet gel, a separating part separating at least one raw material of the raw materials from the mixture containing the silica wet gel transferred from the mixing part, a drying part drying the silica wet gel transferred from the separating part to produce the silica aerogel, a recovery part recovering a portion of the vaporized raw material of the raw materials used in at least one of the mixing part and the drying part, and a heat transfer part transferring heat to at least one of the mixing part and the drying part.

System for preparing silica aerogel

The present invention relates to an apparatus of manufacturing an aerogel sheet. The apparatus of manufacturing the aerogel sheet includes: a tray device in which a fiber sheet is accommodated; a rotation device including a rotation rod to which the tray device is fixed and a driving member rotating the rotation rod so that the tray device is disposed on an upper and lower portion of the rotation rod; an injection device injecting a silica precursor into the tray device disposed on the upper portion of the rotation rod to impregnate the silica precursor into the fiber sheet; and a surface modification device injecting a coating solution into the tray device disposed on the lower portion of the rotation rod to modify a surface of the fiber sheet in which the silica precursor is impregnated.

Growing community of inventors

Daejeon, South Korea

Ye Hon Kim