Azido polymers having improved burn rate

Details Azido polymers having improved burn rate Azido polymers having improved burn rate

C - Chemistry, Metallurgy

08

F

C08F 283/00 (2006.01) C06B 43/00 (2006.01) C06B 45/10 (2006.01) C08G 65/325 (2006.01) C08G 65/332 (2006.01) C08G 73/00 (2006.01)

Patent

CA 2248703

A polymer material formed from the reaction between ingredients comprising an azido polymer containing at least about 5 weight percent azido groups; and at least one multifunctional dipolarophile having reactive groups selected from an acrylic and an acetylenic ester or amide, the resulting polymer material comprising triazoline and/or triazole groups. Also, a method of improving the burn rate of an azido polymer including the steps of reacting an azido polymer with the above-described multifunctional dipolarophile.

Polymère obtenu par réaction entre des ingrédients comprenant un azidopolymère qui contient au moins 5 % environ en poids de groupes azido et au moins un dipolarophile multifonctionnel ayant des groupes réactifs choisis parmi un ester ou un amide acrylique et acétylénique, le polymère résultant comprenant des groupes triazoline et/ou triazole. L'invention porte aussi sur une technique d'amélioration du taux de combustion d'un azidopolymère, selon laquelle on fait réagir un azidopolymère avec le dipolarophile multifonctionnel indiqué ci-dessus.

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