US 12,435,175 B2
Melamine-formaldehyde foam with improved weather resistance
Sebastian Alexander Weisse, Ludwigshafen am Rhein (DE); Werner Lenz, Neustadt (DE); Bernhard Vath, Ludwigshafen am Rhein (DE); and Tobias Heinz Steinke, Ludwigshafen am Rhein (DE)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 17/769,085
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Oct. 13, 2020, PCT No. PCT/EP2020/078673
§ 371(c)(1), (2) Date Apr. 14, 2022,
PCT Pub. No. WO2021/074092, PCT Pub. Date Apr. 22, 2021.
Claims priority of application No. 19203868 (EP), filed on Oct. 17, 2019.
Prior Publication US 2024/0101745 A1, Mar. 28, 2024
Int. Cl. C08G 12/32 (2006.01); C08G 101/00 (2006.01); C08J 9/00 (2006.01); C08J 9/14 (2006.01); C08J 9/20 (2006.01); C08L 61/28 (2006.01)
CPC C08G 12/32 (2013.01) [C08J 9/0023 (2013.01); C08J 9/0028 (2013.01); C08J 9/141 (2013.01); C08J 9/20 (2013.01); C08L 61/28 (2013.01); C08G 2101/00 (2013.01); C08G 2330/00 (2013.01); C08G 2350/00 (2013.01); C08J 2203/14 (2013.01); C08J 2361/28 (2013.01); C08L 2201/08 (2013.01)] 12 Claims
 
1. Melamine-formaldehyde foam comprising 0.2 to 8 wt. % of at least one UV stabilizer, selected from piperidinol derivatives, and 0.01 to 5 wt. % of at least one hydrophobicization agent.