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Water Soluble Polyamine



Published August 10, 2005
Patent No. Europe 1,179,549 A
Akzo Nobel NV was granted a patent for a water soluble or dispersible polyamine with primary amino groups, average MW 200-20,000, useful as a crosslinking agent. It is obtained by reacting polyepoxide with an amino compound having active H atoms and then converting the remaining epoxy groups with ammonia. Waterborne coating compositions are claimed.


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