	US 12,460,077 B2
	Curable resin compositions containing an aliphatic polyketone toughener and composites made therefrom
Kevin Wacker, The Woodlands, TX (US); Dong Le, The Woodlands, TX (US); and Derek Kincaid, The Woodlands, TX (US)
Assigned to HUNTSMAN ADVANCED MATERIALS AMERICAS LLC, The Woodlands, TX (US)
Appl. No. 17/783,368
Filed by Huntsman Advanced Materials Americas LLC, The Woodlands, TX (US)
PCT Filed Dec. 4, 2020, PCT No. PCT/US2020/063265 § 371(c)(1), (2) Date Jun. 8, 2022, PCT Pub. No. WO2021/118875, PCT Pub. Date Jun. 17, 2021.
Claims priority of provisional application 62/946,085, filed on Dec. 10, 2019.
Prior Publication US 2023/0016920 A1, Jan. 19, 2023
Int. Cl. C08L 63/00 (2006.01); C08G 59/22 (2006.01); C08G 59/32 (2006.01); C08G 59/40 (2006.01); C08G 67/02 (2006.01); C08G 75/23 (2006.01); C08J 5/24 (2006.01); C08L 73/00 (2006.01)

CPC C08L 63/00 (2013.01) [C08G 59/22 (2013.01); C08G 59/32 (2013.01); C08G 59/4064 (2013.01); C08G 67/02 (2013.01); C08G 75/23 (2013.01); C08J 5/243 (2021.05); C08L 73/00 (2013.01); C08J 2363/00 (2013.01); C08J 2473/00 (2013.01); C08J 2481/06 (2013.01); C08L 2203/30 (2013.01); C08L 2205/02 (2013.01); C08L 2205/035 (2013.01)]

15 Claims

1. A curable resin composition comprising (a) from wt. % to wt. %, based on the total weight of the curable resin composition, of a thermoset resin, (b) from 2 wt. % to 12.5 wt. %, based on the total weight of the curable resin composition, of an aliphatic polyketone toughener, and (c) from 15 wt. % to 25 wt. %, based on the total weight of the curable resin composition, of a hardener, and from 15 wt. % to 25 wt. %, based on the total weight of the curable resin composition, of an additional toughener, wherein the curable resin has a glass transition of at least 190° C. after curing.