Benzoxazines and compositions containing the same
AssigneeCytec Industries Inc.
InventorsMark Edward Harriman, Paul Mark Cross, Ram B. Gupta
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Abstract
A curable composition containing more than 80% by weight of a blend of benzoxazines, wherein the blend includes (A) one or more multifunctional benzoxazines and (B) a liquid, non-halogenated monofunctional benzoxazine. This composition has been found to be stable at high temperatures, e.g. 180° C.-250° C., and suitable for making composite materials using conventional techniques such as prepregging and liquid resin infusion.
Claims18
A curable composition comprising more than 80% by mass of a benzoxazine blend, said benzoxazine blend comprising:
- (A) a non-halogenated, benzoxazine compound in liquid form at temperature range of 20° C.-30° C. and the following Structure 1
- and
- (B) a multifunctional benzoxazine component comprising at least one trifunctional benzoxazine compound selected from:
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18-22. (canceled)
Dependencies are inferred from the claim text.