US 9,809,694 B2
Porous polyurethane networks and methods of preparation
Nicholas Leventis, Rolla, MO (US); Chariklia Sotiriou-Leventis, Rolla, MO (US); and Chakkaravarthy Chidambareswarapattar, Rolla, MO (US)
Assigned to Aerogel Technologies, LLC, Glendale, WI (US)
Filed by Aerogel Technologies, LLC, Glendale, WI (US)
Filed on Nov. 26, 2014, as Appl. No. 14/554,477.
Application 14/554,477 is a continuation of application No. 13/687,990, filed on Nov. 28, 2012, granted, now 8,927,079.
Prior Publication US 2015/0267026 A1, Sep. 24, 2015
Int. Cl. C08J 9/28 (2006.01); C08G 18/76 (2006.01); C08G 18/79 (2006.01); C08G 18/32 (2006.01); C08G 18/38 (2006.01); C01B 31/00 (2006.01); C04B 38/00 (2006.01); C01B 31/02 (2006.01); C08G 18/06 (2006.01); B01J 20/20 (2006.01); B01J 20/26 (2006.01); B01J 20/30 (2006.01); B01J 20/28 (2006.01); C08G 18/78 (2006.01); C08G 101/00 (2006.01)
CPC C08J 9/286 (2013.01) [B01J 20/20 (2013.01); B01J 20/267 (2013.01); B01J 20/28011 (2013.01); B01J 20/28042 (2013.01); B01J 20/28047 (2013.01); B01J 20/28057 (2013.01); B01J 20/28078 (2013.01); B01J 20/3078 (2013.01); C01B 31/00 (2013.01); C01B 31/02 (2013.01); C04B 38/0032 (2013.01); C08G 18/06 (2013.01); C08G 18/3215 (2013.01); C08G 18/3872 (2013.01); C08G 18/7657 (2013.01); C08G 18/7664 (2013.01); C08G 18/7893 (2013.01); C08G 18/792 (2013.01); C08G 2101/0091 (2013.01); C08J 2201/04 (2013.01); C08J 2201/0502 (2013.01); C08J 2205/026 (2013.01); C08J 2205/042 (2013.01); C08J 2375/04 (2013.01); Y10T 428/1376 (2015.01); Y10T 428/21 (2015.01); Y10T 428/24149 (2015.01); Y10T 428/249953 (2015.04); Y10T 428/249978 (2015.04); Y10T 428/249986 (2015.04); Y10T 428/2982 (2015.01); Y10T 428/31547 (2015.04)] 14 Claims
OG exemplary drawing
 
1. A composition comprising:
a porous solid-phase three-dimensional network of polyurethane particles, the particles comprising linked polyisocyanate and polyol monomers, wherein:
greater than about 95% of linkages between the polyisocyanate and polyol monomers are urethane linkages, and
the porous solid-phase three-dimensional network of polyurethane particles is flexible.