US 12,227,663 B2
Flame retardant materials
Mirela Tury Pastorini, Linz (AT); Johan Defoer, Beringen (BE); Carl-Gustaf Ek, Stenungsund (SE); and Gavin Lewis, Yorkshire (GB)
Assigned to BOREALIS AG, Vienna (AT)
Appl. No. 17/786,141
Filed by BOREALIS AG, Vienna (AT)
PCT Filed Dec. 18, 2020, PCT No. PCT/EP2020/087283
§ 371(c)(1), (2) Date Jun. 16, 2022,
PCT Pub. No. WO2021/123354, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 19217715 (EP), filed on Dec. 18, 2019.
Prior Publication US 2023/0303886 A1, Sep. 28, 2023
Int. Cl. C09D 123/08 (2006.01); C09D 5/00 (2006.01); C09D 5/18 (2006.01); C09D 7/61 (2018.01); D06N 3/00 (2006.01); D06N 3/04 (2006.01); D06N 3/18 (2006.01)
CPC C09D 123/0815 (2013.01) [C09D 5/002 (2013.01); C09D 5/18 (2013.01); C09D 7/61 (2018.01); D06N 3/0009 (2013.01); D06N 3/0038 (2013.01); D06N 3/0059 (2013.01); D06N 3/045 (2013.01); D06N 3/047 (2013.01); D06N 3/183 (2013.01); D06N 2201/0254 (2013.01); D06N 2203/042 (2013.01); D06N 2203/044 (2013.01); D06N 2207/14 (2013.01); D06N 2209/067 (2013.01); D06N 2209/1635 (2013.01); D06N 2211/103 (2013.01); D10B 2503/04 (2013.01); D10B 2505/08 (2013.01); D10B 2505/10 (2013.01); D10B 2507/00 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A flame retardant material comprising:
(a) a substrate;
(b) a coating on the substrate, the coating comprising a flame retardant polyolefin composition (X) comprising:
(i) an ethylene based plastomer with a density in the range of 0.857 to 0.915 g/cm3 and an MFR2 (190° C.; 2.16 kg) in the range 0.5-30 g/10 min;
(ii) a propylene based plastomer with a density in the range of 0.850 to 0.910 g/cm3 and an MFR2 (230° C./2.16 kg) in the range 0.01-30 g/10 min; and
(iii) a flame retardant (FR);
(c) a primer layer on top of the coating; and
(d) a lacquer topcoat on top of the primer layer.