Lg Chem, Ltd

Tae Gyeong Kang

Je Kyun Lee

Se Won Baek

Kyoung Shil Oh

Bong June Kim

Jong Hun Kim

Mi Ri Kim

Hyun Woo Jeon

Sang Woo Park

Young Hun Kim

Sung Min Yu

Provided is a method for manufacturing an aerogel blanket, and an aerogel blanket having uniform thermal conductivity inside a substrate, wherein the method is capable of simplifying manufacturing equipment by performing gelation while rotating a substrate for a blanket into which a catalyzed sol is impregnated, improving manufacturing efficiency by controlling manufacturing time regardless of the thickness of the aerogel blanket, and improving thermal conductivity by uniformly forming aerogel in the substrate for a blanket.

Aerogel blanket and method for manufacturing same

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.

Aerogel composite

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.

The present invention provides an aerogel blanket including a blanket base, aerogel coupled on the surface of the blanket base, and aerogel located at a space between the blanket bases, the aerogel coupled on the surface of the blanket base is 50 wt % based on the total weight of aerogel, wherein the aerogel blanket has the number of aerogel particles separated from the aerogel blanket ranging from 13,600 to 90,000 per ft, when vibrating the aerogel blanket at a frequency of 1 Hz to 30 Hz for 2 hours to 10 hours.

Aerogel blanket

The production method of the present invention can reuse a non-impregnated catalyzed sol, which has been typically discarded, by recovering the catalyzed sol, which is not impregnated in impregnating of a catalyzed sol into a blanket base, to stop gelating the catalyzed sol, and then using this in subsequently preparing a catalyzed sol.

Method for producing aerogel blanket

Provided is an apparatus for preparing an aerogel blanket, the apparatus comprising: a bobbin around which a blanket is wound; a body provided with a gelling tank in which the bobbin is accommodated; a driving member configured to allow the bobbin accommodated in the gelling tank to rotate; and a silica sol supply member configured to gelate the blanket as silica sol is injected into the gelling tank to impregnate the blanket rotating by the bobbin.

Apparatus and method for preparing aerogel blanket

The present invention relates to a method for recycling supercritical waste liquid generated during a process of producing a silica aerogel blanket, and a method for producing a silica aerogel blanket reusing supercritical waste liquid recycled thereby. More particularly, the present invention provides 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 by adding a metal salt to the supercritical waste liquid by the recycling method.

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

A method for manufacturing an aerogel blanket, the method capable of simplifying manufacturing equipment by performing gelation while rotating a reaction vessel, improving manufacturing efficiency by controlling manufacturing time regardless of the thickness of an aerogel blanket and improving thermal conductivity by uniformly forming an aerogel in a substrate for blanket.

Method for manufacturing aerogel blanket

Provided is a method for recycling supercritical waste liquid generated during a process of producing a silica aerogel blanket, and a method for producing a silica aerogel blanket reusing supercritical waste liquid recycled thereby. The method for recycling supercritical waste liquid and the method for producing a silica aerogel blanket reduce the production costs and prevent the deterioration in thermal insulation performance of a silica aerogel blanket by adding a metal salt to the supercritical waste liquid by the recycling method.

Provided is a method for producing a silica aerogel blanket having high thermal insulation and high strength, wherein an acicular metal-silica composite is added to a step of preparing a silica precursor solution during the production of the silica aerogel blanket to produce a silica aerogel blanket having characteristics of high thermal insulation, high strength, high thermal resistance and low dust.

Method for producing silica aerogel blanket having high thermal insulation and high strength

A method for producing a plate type metal-silica composite aerogel and a plate type metal-silica composite aerogel produced thereby in which the metal salt concentration and the basic catalyst concentration are adjusted to form a plate type intermediate first, and then an appropriate amount of a water glass solution is added, thereby enabling the plate type metal-silica composite aerogel to be produced in a short time under conditions of low temperature and atmospheric pressure, so that the process is simpler than the conventional production method, and the cost is reduced, which is excellent in economy. Also provided is a plate type metal-silica composite aerogel, which is produced by the claimed method and has excellent dispersibility that requires no additional surface modifier.

Method for producing plate type metal-silica composite aerogel and plate type metal-silica composite aerogel produced thereby

The present invention relates to a method of preparing a metal oxide-silica composite aerogel having a uniform particle size and excellent pore characteristics and a metal oxide-silica composite aerogel prepared thereby. The preparation method according to the present invention may not only have good economic efficiency because production costs are relatively reduced in comparison to the related art, but may also effectively prevent the collapse of a pore structure by suppressing a shrinkage phenomenon during drying. Thus, a metal oxide-silica composite aerogel prepared by the above preparation method may have higher specific surface area and better pore characteristics than a conventional metal oxide-silica composite aerogel prepared by oven drying while having low tap density.

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Daejeon, South Korea

Tae Gyeong Kang