Production method of silica aerogel film, anti-reflection...

Details Production method of silica aerogel film, anti-reflection... Production method of silica aerogel film, anti-reflection...

2011-04-26

2011-04-26

Barr, Michael (Department: 1711)

Coating processes

With post-treatment of coating or coating material

Chemical agent applied to treat coating

C427S343000

Reexamination Certificate

active

07931940

ABSTRACT:
A method for producing a silica aerogel film by hydrolyzing and polymerizing alkoxysilane in the presence of a base catalyst to prepare an alkaline sol, adding an acid catalyst to the alkaline sol to carry out further hydrolysis and polymerization to prepare a first acidic sol, hydrolyzing and polymerizing alkoxysilane in the presence of an acid catalyst to prepare a second acidic sol, applying a mixture of the first and second acidic sols to a substrate, and drying it.

REFERENCES:
patent: 5948482 (1999-09-01), Brinker et al.
patent: 6764543 (2004-07-01), Greenwood et al.
patent: 2006/0154044 (2006-07-01), Yamada et al.
patent: 2007/0207325 (2007-09-01), Brinley et al.
patent: 08-337753 (1996-12-01), None
Fan, B., “Scratch-Resistant Improvement of Sol-Gel Derived Nano-Porous Silica Films”, Journal of Sol-Gel Science and Technology vol. 18, pp. 219-224, 2000.
English language Abstract of JP 08-337753, Dec. 1996.

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