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US 12,698,357 B2Granted
High temperature benzoxazine resins, methods, and uses thereof
AssigneeKaneka Corporation
InventorYoung Hoon Lim
Life of this patent
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AssigneeKaneka Corporation
InventorYoung Hoon Lim
Estimating the term…
A benzoxazine resin composition is provided. The benzoxazine resin composition includes a benzoxazine resin that is a reaction product of an amine, a phenol, and an aldehyde. Either the amine is a diamine or the phenol is a bisphenol, and the benzoxazine resin has at least one nitrogen-containing crosslinking functional group or pyrocitric functional group. A method of preparing a benzoxazine resin composition is also provided. The method includes reacting an amine, a phenol, and an aldehyde at a temperature of above 60° C., for 1 h to 5 days to form a benzoxazine resin. The benzoxazine resin has at least one nitrogen-containing crosslinking functional group or pyrocitric functional group, and either the amine is a diamine or the phenol is a bisphenol. Also provided is a cured resin made from the benzoxazine resin composition.
A benzoxazine resin composition, comprising:
A method of preparing a benzoxazine resin composition, comprising reacting an amine, a phenol, and an aldehyde to form a benzoxazine resin, wherein the benzoxazine resin has at least one nitrogen-containing crosslinking functional group selected from the group consisting of a maleimide functional group, a pyrocitric functional group, a nitrile functional group forming a triazine structure upon thermal activation, and combinations thereof, and wherein either the amine is a diamine or the phenol is a bisphenol, at a temperature of above 60° C., for 1 h to 5 days;
A cured resin, comprising a cured benzoxazine resin, wherein the benzoxazine resin, prior to curing, comprises:
Dependencies are inferred from the claim text.