Patent ID: 11926757
Assignee: JIANGSU CANLON BUILDING MATERIALS CO., LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 6:
7. The quick-drying solvent-free sag-resistant polyurethane waterproof coating according to claim 1, wherein the filler is composed of a heavy filler and a nano-scale filler with a feed mass ratio of 1:(0.5-2), and the heavy filler is selected from titanium dioxide, heavy calcium carbonate, kaolin, talc powder and combinations thereof, and the nano-scale filler is selected from gypsum whiskers, fumed silica, nano-calcium carbonate, nano-aluminum nitride, nano-boron nitride, nano-aluminum borate and combinations thereof.