US 11,752,733 B2
Lightweight filler for waterproofing bitumen membranes
Mathias Ruinart De Brimont, Malmö (SE); Andreas Hörnig, Heiligenstadt (DE); Eirik S. Jensen, Roskilde (DK); and John Ejrup Olsen, Copenhagen N (DK)
Assigned to ICOPAL APS
Appl. No. 16/331,174
Filed by ICOPAL APS, Herlev (DK)
PCT Filed Sep. 7, 2017, PCT No. PCT/EP2017/072452
§ 371(c)(1), (2) Date Mar. 7, 2019,
PCT Pub. No. WO2018/046593, PCT Pub. Date Mar. 15, 2018.
Claims priority of application No. PA201670685 (DK), filed on Sep. 7, 2016.
Prior Publication US 2019/0255810 A1, Aug. 22, 2019
Int. Cl. B32B 11/02 (2006.01); C08K 3/013 (2018.01); B32B 11/04 (2006.01); B32B 11/10 (2006.01); B32B 11/12 (2006.01); C08K 5/00 (2006.01); C08L 9/06 (2006.01); C08L 95/00 (2006.01); B32B 27/08 (2006.01); B32B 5/30 (2006.01); B32B 27/12 (2006.01); B32B 27/32 (2006.01); D06N 5/00 (2006.01); E04D 5/02 (2006.01); B32B 27/14 (2006.01); B32B 27/30 (2006.01); E04D 5/06 (2006.01); B32B 5/26 (2006.01); B32B 5/02 (2006.01); C09D 195/00 (2006.01); B32B 5/16 (2006.01); C04B 20/10 (2006.01); C04B 26/26 (2006.01); C04B 14/04 (2006.01); C04B 14/24 (2006.01); C04B 111/27 (2006.01)
CPC B32B 11/02 (2013.01) [B32B 5/02 (2013.01); B32B 5/16 (2013.01); B32B 5/26 (2013.01); B32B 5/30 (2013.01); B32B 11/046 (2013.01); B32B 11/10 (2013.01); B32B 11/12 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/14 (2013.01); B32B 27/302 (2013.01); B32B 27/32 (2013.01); C04B 14/04 (2013.01); C04B 14/24 (2013.01); C04B 20/1033 (2013.01); C04B 20/1044 (2013.01); C04B 20/1074 (2013.01); C04B 26/26 (2013.01); C08K 3/013 (2018.01); C08K 5/0016 (2013.01); C08L 9/06 (2013.01); C08L 95/00 (2013.01); C09D 195/00 (2013.01); D06N 5/003 (2013.01); E04D 5/02 (2013.01); E04D 5/06 (2013.01); B32B 2255/02 (2013.01); B32B 2255/26 (2013.01); B32B 2255/28 (2013.01); B32B 2260/021 (2013.01); B32B 2260/042 (2013.01); B32B 2260/046 (2013.01); B32B 2262/0276 (2013.01); B32B 2262/065 (2013.01); B32B 2262/101 (2013.01); B32B 2264/025 (2013.01); B32B 2264/10 (2013.01); B32B 2264/101 (2013.01); B32B 2264/104 (2013.01); B32B 2264/108 (2013.01); B32B 2270/00 (2013.01); B32B 2307/30 (2013.01); B32B 2307/304 (2013.01); B32B 2307/3065 (2013.01); B32B 2307/72 (2013.01); B32B 2307/732 (2013.01); B32B 2315/08 (2013.01); B32B 2419/06 (2013.01); C04B 2111/27 (2013.01); C08L 2203/12 (2013.01); C08L 2555/50 (2013.01); C08L 2555/84 (2013.01); C08L 2555/86 (2013.01); C09K 2200/0607 (2013.01); C09K 2200/069 (2013.01); Y02W 30/91 (2015.05); Y10T 428/141 (2015.01)] 40 Claims
 
1. A waterproofing membrane comprising a reinforcing material that includes a blend formulation, wherein the reinforcing material forms a reinforcement layer positioned between two layers comprising the blend formulation, and a torching foil as the bottom most layer in the waterproofing membrane, wherein the blend formulation is solid at room temperature and comprising:
50-90% w/w bitumen or 50-90% w/w mix of bitumen and plasticizer;
2-25% w/w elastomeric block co-polymer; and
5-45% w/w glass spheres having a particle size between 0.25-0.50 mm and a particle density between 0.5-0.8 g/cm3, wherein interior of each glass sphere is filled with air pockets making it neither hollow nor solid but porous.