Cyclic carbodiimide compound

Details Cyclic carbodiimide compound Cyclic carbodiimide compound

C - Chemistry, Metallurgy

07

D

C07D 273/08 (2006.01) C07D 498/10 (2006.01) C08G 85/00 (2006.01)

Patent

CA 2746982

A cyclic carbodiimide compound which is useful as an end-sealing agent for polymer compounds. The cyclic carbodiimide compound is represented by the following formula (i): (see formula i) (in the above formula, X is a divalent group or a tetravalent group represented by the following formula (i-4). When X is divalent, q is 0 and when X is tetravalent, q is 1. Ar1 to Ar4 are each independently an aromatic group. They may be substituted by an alkyl group having 1 to 6 carbon atoms or phenyl group.) (see formula i-4)

La présente invention concerne des carbodiimides cycliques pouvant être employés en tant qu'agents de terminaison de composés polymères. Les carbodiimides cycliques sont représentés par la formule (i). (i) (dans la formule, X représente un groupement divalent ou un groupement tétravalent de formule (i-4). Lorsque X est divalent, q est égal à 0, et lorsque X est tétravalent, q est égal à 1. Ar1-Ar4 représentent chacun indépendamment des groupements aromatiques. Ces groupements peuvent être substitués par des groupements phényle ou des groupements alkyle comportant entre 1 et 6 atomes de carbone. (i-4)

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