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US 12,570,535 B2Granted
Method of manufacturing silica aerogel
AssigneeLG Chem, Ltd.
InventorsYoung Hun Kim, Tae Gyeong Kang, Joon Ho Shin, Se Won Baek, Kyoung Shil Oh, Sang Woo Park, Sung Jin Yoo
Life of this patent
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Abstract
Provided is a method of manufacturing a silica aerogel, which includes: (1) manufacturing a hydrogel composite; (2) washing the manufactured hydrogel composite with a washing solvent; and (3) drying the washed hydrogel composite, wherein, impurities are removed from the hydrogel composite in Step (2), and the washing solvent is heated to a temperature equal to or higher than the boiling point (b.p.) of the washing solvent.
Claims15
A method of manufacturing a silica aerogel, comprising:
- (1) manufacturing a hydrogel composite;
- (2) washing the manufactured hydrogel composite with a washing solvent;
- and
- (3) drying the washed hydrogel composite,
- wherein impurities are removed from the hydrogel composite in Step (2), and
- the washing solvent is heated to a temperature higher than the boiling point (b.p.) of the washing solvent,
- wherein the washing solvent after being heated has a temperature of 110° C. to 200° C., and
- wherein the washing solvent is a mixture comprising ethanol and water.
5 more elements
Dependencies are inferred from the claim text.