Stabilized thermoplastic polyurethanes

Details Stabilized thermoplastic polyurethanes Stabilized thermoplastic polyurethanes

C - Chemistry, Metallurgy

08

K

31/73, 400/7432

C08K 5/13 (2006.01) C08K 5/09 (2006.01)

Patent

CA 1057042

ABSTRACT OF THE DISCLOSURE Thermoplastic polyurethanes prepare? by means of an organotin catalyst and particularly those derived from cyclic nitrile compounds and polyhydroxyl-containing compounds are stabilized against thermal degradation by incorporating therein a stabilizer system comprised of a combination of a carboxylic acid and a sterically hindered phenolic compound.

233562

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