abstract |
FOAMS OF A SYNTHETIC AMIDE GROUP-CONTAINING POLYURETHANE RESIN FORMED BY REACTING AND FOAMING A POLYMERIC FATTY ACID ALKANOLAMIDE, OR A ALKOXYLATED POLYMERIC FATTY ACID ALKANOLAMIDE, WITH A POLYISOCYANATE. THE POLYMERIC FATTY ACID ALKANOLAMIDE IS MADE TYPICALLY BY CONDENSING DIMERIZED FATTY ACID WITH MONO- OR DIALKANOLAMINES. THE FOAMS HAVE EXCELLENT RESISTANCE TO HYDROLYSIS. |