A carbodiimide composition with suppressed yellowing, a...

Details A carbodiimide composition with suppressed yellowing, a... A carbodiimide composition with suppressed yellowing, a...

C - Chemistry, Metallurgy

08

L

C08L 79/08 (2006.01) C07C 267/00 (2006.01) C08L 67/00 (2006.01)

Patent

CA 2476732

Disclosed are (1) a carbodiimide composition having an improved heat resistance which had been a conventional requirement for a carbodiimide compound to be compounded in an ester-group-containing resin or a biodegradable plastic, exhibiting no coloring problems due to yellowing, and having more superior stabilizing effect against hydrolysis, (2) a stabilizer against hydrolysis mainly comprising the carbodiimide composition and (3) a thermoplastic resin composition containing the same. More specifically, the carbodiimide composition comprises a carbodiimide compound (A) and an antioxidant (B), having a 5% weight loss temperature of not lower than 250°C as determined by a thermogravimetric (TG) method, wherein the antioxidant (B) is dispersed in the composition by admixing during synthesis of the carbodiimide compound (A).

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