C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/28 (2006.01) C08L 61/06 (2006.01) C08L 75/04 (2006.01) C09D 123/28 (2006.01) C09D 175/04 (2006.01) C09J 123/28 (2006.01)
Patent
CA 2255353
A roofing primer composition including a bromobutyl rubber, a polyurethane, wherein the polyurethane is the reaction product of a phenolic resin and an isocyanate having more than two functionalities, the polyurethane being formed in the presence of a catalyst, and a solvent, wherein the solvent is preferably selected from the group consisting of parachlorobenzotrifluoride, 1-dodecene, toluene, hexane, heptane methylene chloride, 1,1,1-trichlorethane, xylene, methanol, 1-tetradecene, chloroform, tetrachloro ethylene and ethanol. This primer composition exhibits improved adhesion during application, exhibits improved shelf life, is not water sensitive, and can contain a low volatile solvent.
Alexander Brian S.
Fieldhouse John W.
Gorman William B.
Slusher Carter C.
Bfs Diversified Products Llc
Bridgestone/firestone Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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