Synthesis of self-healing benzoxazine polymers through melt polymerization
AssigneeKaneka Corporation
InventorSamuel Kyran
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Abstract
A self-healing resin composition of a polymer formed from the reaction between a thermoplastic polymer having terminal functional groups and a benzoxazine compound is provided. Also provided is a method of forming such a self-healing resin composition. A method of self-healing an article is also provided. In such a method, an article may have a rupture, and may be formed from a polymer resulting from reaction between a thermoplastic polymer having terminal functional groups and a benzoxazine compound. The method may include maintaining the article formed from the polymer at a predetermined temperature for a predetermined time such that the rupture is repaired.
Claims15
A self-healing resin composition, comprising:
- a polymer formed from a reaction between (a) a thermoplastic polymer with terminal functional groups and (b) a benzoxazine compound, wherein the terminal functional groups are selected from the group consisting of primary amines, secondary amines, thiols, phenols, and combinations thereof;
- and
- a thermosetting resin selected from the group consisting of an epoxy resin, a bismaleimide resin, a cyanate ester resin, and combinations thereof,
- wherein the self-healing resin composition comprises 1 to 15 phr of the thermosetting resin relative to the polymer.
A method of forming a self-healing resin composition, comprising:
- reacting by melt polymerization the following:
- (a) a benzoxazine compound and (b) a thermoplastic polymer with terminal functional groups to form a first polymer, wherein the terminal functional groups are selected from the group consisting of primary amines, secondary amines, thiols, phenol, and combinations thereof, and
- blending a thermosetting resin selected from the group consisting of an epoxy resin, a bismaleimide resin, a cyanate ester resin, and combinations thereof with the first polymer,
- wherein the self-healing resin composition comprises 1 to 15 phr of the thermosetting resin relative to the first polymer.
Dependencies are inferred from the claim text.