Semicarbazide/urethane stabilizer

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 249/14 (2006.01) C07D 521/00 (2006.01) C08K 5/29 (2006.01) C08K 5/3472 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2128890

2128890 9315136 PCTABS00024 Mixtures comprising semicarbazide/urethane reaction products of 4-amino-1,2,4-triazole, an aliphatic polyisocyanate and a reduced sugar or glycerol are particularly suited for protecting films, fibers, spandex and other polyurethane articles against discoloration due to exposure to fumes, light and heat.

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