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
1998-06-01
2000-07-04
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...
4284231, 524589, 524591, 525123, 525455, 528 44, 528 45, 528 48, 528 58, C08J 300, C08K 320, C08L 7500, C08G 1800, C08G 1881
Patent
active
060840269
ABSTRACT:
A combination of chemicals suitable for extending pot life and shortening cure time of a pot mix of a thermosetting composition is disclosed. The combination of chemicals includes a catalyst, such as, dibutyl tin dilaurate; carboxylic or sulfonic acid; and an extender compound, such as 2,4 pentanedione. The combination is generally included in a polymeric component of the urethane composition. The extended pot life provides the user with longer open time during which to efficiently apply a coating of the pot mix over a wide variety of substrate surfaces while still producing coatings that cure quickly upon application.
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Choi Wendy A.
Deshmukh Sudhir G.
Niland Patrick D.
Rohm and Haas Company
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