Patent ID: 7238767

Claim:
A method of making a silicone modified polyurea comprising: combining an adduct of at least one amine selected from the group consisting of primary aliphatic amines, primary cyclo-aliphatic, secondary aliphatic amines, primary aromatic amines, and secondary aromatic amines, and mixtures thereof, with at least one epoxy functional silicone to form a solution; reacting said solution to form a polyol prepolymer chain extender, wherein said reacting comprises heating said solution at a temperature in the range of from 130° F. to 210° F. for a time period of from 1 hour to 24 hours; and mixing said polyol prepolymer chain extender with at least one polyisocyanate to form a silicone modified polyurea, wherein said mixing is performed by a pressurizable spray apparatus.