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Title:
AEROGEL PRECURSOR, PREPARATION METHOD THEREFOR, AEROGEL PREPARED THEREFROM, AND AEROGEL PREPARATION METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/030796
Kind Code:
A1
Abstract:
The present invention relates to: an aerogel precursor, which comprises, in a molar ratio of 100:1 to 100:20, a structural unit represented by the following chemical formula 1, and one or more selected from the group consisting of structural units represented by the following chemical formulas 2-4, has a weight average molecular weight of 1,000-6,000 g/mol, and has a viscosity of 2.0-4.0 cps after being heated at 45-60°C for 24 hours or longer; a preparation method therefor; an aerogel prepared therefrom; and an aerogel preparation method using the same.

Inventors:
OH KYOUNG SHIL (KR)
CHOI HEE JUNG (KR)
CHANG YEONG RAE (KR)
LEE JE KYUN (KR)
Application Number:
PCT/KR2017/008650
Publication Date:
February 15, 2018
Filing Date:
August 09, 2017
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C07F7/18; C01B33/158
Foreign References:
US6156386A2000-12-05
KR20150093062A2015-08-17
CN1865136A2006-11-22
Other References:
WU, G. ET AL.: "Preparation and Surface Modification Mechanism of Silica Aerogels via Ambient Pressure Drying", MATERIALS CHEMISTRY AND PHYSICS, vol. 129, no. 1, 2011, pages 308 - 314, XP055496898, Retrieved from the Internet
RAO, A. V. ET AL.: "Comparative Studies of the Physical and Hydrophobic Properties of TEOS Based Silica Aerogels Using Different Co-precursors", SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, vol. 4, no. 6, 1 November 2003 (2003-11-01), pages 509 - 515, XP055028686, Retrieved from the Internet
W. URBANIAK; F. JANOWSKI; B. MARCINIEC; F. WOLF, REACT. KINET. CATAL, LETT, vol. 34, 1987, pages 129
K.K. UNGER, JOURNAL OF CHROMATOGRAPHY LIBRARY, vol. 16, 1979, pages 64
E.V. BROUN; A. YA. KOROLEV; L.M. VINOGRADOVA; R.V. ARTAMONOVA; T.V. MEN'KOVA, RUSS. J. PHYS. CHEM., vol. 44, 1970, pages 442
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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