Lg Chem, Ltd

Mi Ri Kim

Kyoung Shil Oh

Je Kyun Lee

Jin Hee Oh

Se Won Baek

Dong Hyun Cho

Sang Woo Park

Ye Hon Kim

Young Hun Kim

Tae Gyeong Kang

Sung Min Yu

Young Sam Kim

Hyun Woo Jeon

Jae Hoon Choi

Bong June Kim

Myung Eun Oh

Hye Kyung Han

Kyu Reon Lee

Taegyeong Kang

Mi Kyoung Jin

Ja Pil Koo

Jin Oh Song

Eun Yeong Jin

Tae Kyeong Kang

Kyung Inn Kim

Min Hwa Shin

An aerogel composite has excellent thermal stability even when exposed to a high-temperature environment, thereby being capable of maintaining high heat insulation.

Aerogel composite

An aerogel composite has excellent thermal stability and flame retardancy even when exposed to a high-temperature environment for a long period of time.

Provided is a method for drying a wet-gel blanket which can have an excellent heat insulation performance by minimizing shrinkage of a gel network structure that occurs during drying, and has excellent drying efficiency versus time, and a method for producing an aerogel blanket using same.

Method for drying wet-gel blanket and method for producing aerogel blanket using the same

An aerogel composite maintains an excellent level of heat insulation properties even when compressed and deformed by being applied with a pressure due to various causes. when applied as a heat insulation material for batteries, electronic devices, automobiles, industrial equipment, structures, or the like.

An aerogel composite having an excellent level of thermal insulation even when compressed and deformed under application of pressure resulting from various causes is provided. The aerogel composite can be used as a thermal insulation material for batteries, electronic devices, automobiles, industrial equipment, structures, or the like.

An aerogel composite maintains an excellent level of heat insulation even when compressed and deformed. The aerogel composite can be included in batteries, electronic devices, automobiles, industrial equipment, structures, or the like, as a heat insulation material.

Provided is a method for recycling supercritical waste liquid and a method for producing a silica aerogel blanket capable of reducing the production costs and preventing the deterioration in thermal insulation performance of a silica aerogel blanket, the method including adding sulfuric acid to supercritical waste liquid to remove ammonium ions in the form of ammonium sulfate salt, the ammonium ions which are present in the supercritical waste liquid, and reusing supercritical waste liquid from which the ammonium ions are removed.

Method for recycling supercritical waste liquid generated during process of producing silica aerogel blanket

The present invention relates to a method for manufacturing an aerogel blanket, the method including 1) introducing a catalyzed sol and a substrate for a blanket into a reaction vessel to impregnate the catalyzed sol into the substrate for a blanket, and 2) rotating the substrate for a blanket into which the catalyzed sol is impregnated to perform gelation, wherein the catalyzed sol includes a silica precursor composition, and the silica precursor composition includes a silicate containing a hydrophobic group and a tetraalkyl silicate, wherein a molar ratio of the silicate containing a hydrophobic group and the tetraalkyl silicate is 60:40 to 98:2.

Method for manufacturing aerogel blanket

Provided is a supercritical drying method for a silica wet gel blanket, and a method for producing a silica aerogel blanket including the same, the supercritical drying method being capable of improving drying efficiency. The supercritical drying method improves the efficiency of a supercritical drying step by reducing carbon dioxide usage without additional equipment investment and energy input, thereby drying a silica wet gel blanket in a more economical manner.

Supercritical drying method for silica wet gel blanket

The present invention relates to a method for producing an aerogel blanket exhibiting excellent hydrophobicity at high temperatures and an aerogel blanket produced thereby. The present invention uses a mixture of silica sol and a hydrophobic aerogel powder as an aerogel precursor and thus can achieve hydrophobicity in the internal structure as well as on the surface of the aerogel included in the aerogel blanket. Accordingly, the aerogel blanket can attain high hydrophobicity and thus can exhibit excellent hydrophobicity retention ability even in high-temperature applications.

Method for producing aerogel blanket and aerogel blanket produced thereby

The present invention relates to a method for producing a silica aerogel blanket, the method comprising recovering a supercritical waste liquid generated after performing a step of supercritical drying, neutralizing the recovered supercritical waste liquid by adding an acid thereto for recycling, and reusing the recycled supercritical waste liquid, and a silica aerogel blanket produced thereby.

Method for producing silica aerogel blanket and silica aerogel blanket produced thereby

Provided are a preparation method of a silica aerogel-containing blanket which includes mixing a water glass solution, a polar organic solvent, and a silazane-based surface modifier to prepare a sol, preparing a silica gel-base material composite by immersion and gelation of a base material for a blanket in the sol, and drying the silica gel-base material composite, and a silica aerogel-containing blanket prepared by using the preparation method. A silica aerogel-containing blanket having a high degree of hydrophobicity as well as excellent physical properties, particularly, low tap density, high porosity, and excellent mechanical flexibility can be prepared by the minimal use of a surface modifier without a surface modification step by the above method.

Preparation method of silica aerogel-containing blanket and silica aerogel-containing blanket prepared by using the same

In the present invention are provided a method for preparing a silica aerogel-containing blanket, and a blanket which includes a silica aerogel and is manufactured using the same, wherein the method includes a step for preparing a reaction solution by reacting a silazane-based surface modification agent with an alcohol-based compound, a step for preparing a silica gel-base material composite by adding a silica precursor, water, and a polar organic solvent to the reaction solution to prepare a silica sol, and then immersing a base material for a blanket in the prepared silica sol to gelate the silica sol, and a step for drying the silica gel-base material composite.

Method for preparing silica aerogel-containing blanket and silica aerogel-containing blanket prepared by using the same

The present invention relates to a silica aerogel blanket for ultra-high temperature, a method for producing the same, and a method for constructing the same. More specifically, the present invention provides a method for producing a silica aerogel blanket, the method capable of suppressing the generation of a bad odor during construction by including a step of heat treatment after producing a hydrophobic silica aerogel blanket so as to remove a volatile organic compound (VOC), a silica aerogel blanket produced thereby, and a method for constructing a silica aerogel blanket for ultra-high temperature, the method capable of suppressing the generation of a bad odor during the construction of the silica aerogel blanket produced by the above-mentioned production method on an ultra-high temperature piping equipment, and at the same time, preventing the loss of heat insulation performance due to moisture in the air.

Silica aerogel blanket for ultra-high temperature, method for producing same, and method for constructing same

Provided are a preparation method of a silica aerogel-containing blanket which includes mixing a water glass solution, a polar organic solvent, and a silazane-based surface modifier to prepare a sol, preparing a silica gel-base material composite by immersion and gelation of a base material for a blanket in the sol, and drying the silica gel-base material composite, and a silica aerogel-containing blanket prepared by using the preparation method. A silica aerogel-containing blanket having a high degree of hydrophobicity as well as excellent physical properties, particularly, low tap density, high porosity, and excellent mechanical flexibility may be prepared by the minimal use of a surface modifier without a surface modification step by the above method.

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Daejeon, South Korea

Mi Ri Kim