Two step preparation of random polyoxadiazole copolymer and...

Details Two step preparation of random polyoxadiazole copolymer and... Two step preparation of random polyoxadiazole copolymer and...

C - Chemistry, Metallurgy

08

G

C08G 73/00 (2006.01) C08G 73/08 (2006.01) C08G 73/22 (2006.01)

Patent

CA 2648733

In a preparation of random polyoxadiazole copolymer by reaction of a mixture of oleum, hydrazine sulfate, terephthalic acid, and isophthalic acid, the improvement requires the addition of oleum in more than one step.

En vue d'améliorer la préparation d'un copolymère de polyoxadiazole aléatoire par réaction d'un mélange d'oléum, de sulfate d'hydrazine, d'acide téréphtalique et d'acide isophtalique, il est nécessaire d'ajouter de l'oléum dans plus d'une étape.

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