Patent ID: 11905358
Assignee: STOCKMEIER URETHANES USA, INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A highly filled1 urethane system, comprising:
an isocyanate component;
a polyol component,, wherein a ratio of NCO/OH for the isocyanate and the polyol components is from about 1.04 to about 1.15; and
a filler component, comprising:
from about 76 percent to about 97 percent by weight of calcium carbonate based on total weight of the filler component; and
from about 3 percent to about 24 percent by weight of a mineral filler selected from the group consisting of talc, mica, and combinations thereof based on the total weight of the filler component,, wherein the mineral filler, and optionally the calcium carbonate, is in the form of a composition comprising a polyol.