C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4207
C08L 59/02 (2006.01) C08L 75/06 (2006.01) C08L 79/00 (2006.01) C08L 79/08 (2006.01)
Patent
CA 1246768
TITLE POLYOXYMETHYLENE/POLYURETHANE COMPOSITIONS CONTAINING POLYCARBODIIMIDE ABSTRACT OF THE DISCLOSURE Polyoxymethylene/thermoplastic polyurethane compositions having 5-40 weight percent polyurethane are modified by incorporating therein 0.05-1.0 weight percent of a polycarbodiimide for a mixture of polycarbodiimides) having a molecular weight of about 1000 and containing units of the formula Image where n has an average value of about 3, to improve resistance to discoloration and decomposition.
448287
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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