	US 12,146,038 B2
	Façade system and insulation element for a façade system
Dorte Bartnik Johansson, Hedehusene (DK); and Miroslav Nikolic, Hedehusene (DK)
Assigned to Rockwool A/S, Hedehusene (DK)
Appl. No. 17/916,394
Filed by ROCKWOOL A/S, Hedehusene (DK)
PCT Filed Apr. 3, 2020, PCT No. PCT/EP2020/059617 § 371(c)(1), (2) Date Sep. 30, 2022, PCT Pub. No. WO2021/197622, PCT Pub. Date Oct. 7, 2021.
Prior Publication US 2023/0142020 A1, May 11, 2023
Int. Cl. B32B 5/00 (2006.01); B32B 5/02 (2006.01); C08H 7/00 (2011.01); C08J 5/24 (2006.01); E04B 1/76 (2006.01); E04B 1/80 (2006.01); B32B 5/26 (2006.01)

CPC C08J 5/244 (2021.05) [B32B 5/02 (2013.01); C08H 6/00 (2013.01); E04B 1/7629 (2013.01); E04B 1/80 (2013.01); B32B 5/26 (2013.01); B32B 2250/20 (2013.01); B32B 2260/021 (2013.01); B32B 2262/108 (2013.01); B32B 2266/126 (2016.11); B32B 2305/076 (2013.01); B32B 2307/102 (2013.01); B32B 2307/304 (2013.01); B32B 2307/72 (2013.01); B32B 2419/00 (2013.01); C08J 2397/00 (2013.01)]

8 Claims

1. A façade system for a building, comprising a thermal and/or acoustic insulation, consisting of at least one insulation element being a bonded mineral fibre product made of mineral fibres and a cured aqueous binder composition, whereby the insulation element is adapted to be fixed to an outer surface of the building by mechanical fastening elements and/or an adhesive, covered with a rendering, and whereby the aqueous binder composition prior to curing comprises a first component in form of one or more oxidized lignins, a second component in form of one or more cross-linkers, and a third component in form of one or more plasticizers, whereby the insulation element has a bulk density between 70 kg/m³and 150 kg/m³, wherein the first component is in form of one or more ammonia-oxidized lignins (AOL's).