Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1997-12-17
1999-11-16
Niland, Patrick D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524589, 524590, 525123, 525129, 525455, C08J 300, C08K 320, C08L 7500, C08F 830
Patent
active
059859814
ABSTRACT:
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.
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Alexander Brian S.
Fieldhouse John W.
Gorman William B.
Slusher Carter C.
Bridgestone/Firestone Inc.
Hall Daniel N.
Niland Patrick D.
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