US 12,146,054 B2
Hydrophilic composite
Cody Schoener, Lake Jackson, TX (US); Yasmin N. Srivastava, Sugarland, TX (US); and Viraj K. Shah, Freeport, TX (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Appl. No. 17/277,683
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Sep. 17, 2019, PCT No. PCT/US2019/051575
§ 371(c)(1), (2) Date Mar. 18, 2021,
PCT Pub. No. WO2020/068496, PCT Pub. Date Apr. 2, 2020.
Claims priority of provisional application 62/738,227, filed on Sep. 28, 2018.
Prior Publication US 2021/0347988 A1, Nov. 11, 2021
Int. Cl. C08L 75/04 (2006.01); B32B 5/12 (2006.01); B32B 5/18 (2006.01); B32B 5/24 (2006.01); C08J 9/00 (2006.01); C08J 9/12 (2006.01); E04D 11/00 (2006.01); E04D 11/02 (2006.01)
CPC C08L 75/04 (2013.01) [B32B 5/12 (2013.01); B32B 5/18 (2013.01); B32B 5/245 (2013.01); C08J 9/0061 (2013.01); C08J 9/125 (2013.01); E04D 11/002 (2013.01); E04D 11/02 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/0253 (2013.01); B32B 2266/0278 (2013.01); B32B 2307/7265 (2013.01); B32B 2307/728 (2013.01); B32B 2419/06 (2013.01); C08J 2203/10 (2013.01); C08J 2323/08 (2013.01); C08J 2375/04 (2013.01); C08L 2203/14 (2013.01); C08L 2205/14 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A water containment system comprising a composite structure comprising: (a) a three-dimensional random loop (3DL) structure comprising a plurality of random loops of a thermoplastic polymer arranged and bonded together in a three-dimensional orientation and defining spaces within the 3DL structure; and (b) a hydrophilic polyurethane foam that occupies substantially all of the spaces in the 3DL structure, wherein the 3DL structure has an apparent bulk density of 0.005 g/cm3 to 0.2 g/cm3.