C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
252/43, 402/7.1
C08K 5/17 (2006.01) C08G 67/02 (2006.01) C08K 3/00 (2006.01) C08K 5/00 (2006.01) C08L 23/04 (2006.01)
Patent
CA 1206680
TITLE CURABLE POLYMERIC COMPOSITIONS ABSTRACT Polymers having 1,4-diketo functionalities and a carbonyl group concentration of at least 5% of polymer weight can be conveniently cured by heating with a primary diamine or its precursor and a catalytic amount of an acid having a pKa of at most about 3. Cured polymers have good physical properties and are suitable in such applications as, for example hose, tubing, wire coatings, gaskets, and seals.
448920
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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