METHOD AND APPARATUS FOR PREPARING AEROGEL SHEET

Title:

METHOD AND APPARATUS FOR PREPARING AEROGEL SHEET

Document Type and Number:

WIPO Patent Application WO/2017/142238

Kind Code:

A1

Abstract:

The present invention relates to a method for preparing an aerogel sheet, wherein the method may comprise the steps of: (a) preparing a pre-treated fibrous sheet by impregnating a fibrous sheet with an acidic liquid to subject the fibrous sheet to an acid cleaning treatment and impregnating the fibrous sheet, which has been subjected to the acid cleaning treatment, with a binder solution; (b) impregnating the pre-treated fibrous sheet with a silica precursor; and (c) impregnating the fibrous sheet, which has been impregnated with the silica precursor, with a gelating catalyst to attain the gelation of the silica precursor.

Inventors:

KIM YE HON (KR)
LEE JE KYUN (KR)
OH KYOUNG SHIL (KR)

Application Number:

PCT/KR2017/001219

Publication Date:

August 24, 2017

Filing Date:

February 03, 2017

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

C01B33/158; B01J31/02; B01J37/04; B65H16/10; B65H18/08; B65H20/06; B65H37/00

Foreign References:

KR20110126381A	2011-11-23
CN102557577A	2012-07-11
KR101199958B1	2012-11-13
KR20110082379A	2011-07-19
KR20150089319A	2015-08-05

Other References: