Improvement of vitrimer by polyrotaxane addition
AssigneeThe University of Tokyo
InventorsKohzo ITO, Shota ANDO, Masaki HIRANO
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Abstract
Provided is a composition comprising: a vitrimer including a polymer having an ester bond; and a polyrotaxane including a plurality of cyclic molecules and a chain polymer penetrating cavities of the plurality of cyclic molecules, at least part of the plurality of cyclic molecules each including a functional group having an ester bond.
Claims14
A composition comprising:
- a vitrimer including a polymer having an ester bond;
- and
- a polyrotaxane including a plurality of cyclic molecules and a chain polymer penetrating cavities of the plurality of cyclic molecules, at least part of the plurality of cyclic molecules each including a functional group having an ester bond.
A method of producing a thermosetting composition comprising a vitrimer including a polymer having an ester bond and a polyrotaxane, the method comprising:
- mixing an epoxy prepolymer having a glycidyl group and the polyrotaxane, the polyrotaxane including a plurality of cyclic molecules and a chain polymer penetrating cavities of the plurality of cyclic molecules, at least part of the plurality of cyclic molecules each including a functional group having an ester bond;
- and
- mixing the mixture and a carboxylic acid or a carboxylic acid anhydride, to cure the mixture.
A method of producing a thermoplastic composition comprising a vitrimer including a polymer having an ester bond and a polyrotaxane, the method comprising mixing a monomer for forming a thermoplastic polymer having an ester bond and the polyrotaxane, the polyrotaxane including a plurality of cyclic molecules and a chain polymer penetrating cavities of the plurality of cyclic molecules, at least part of the plurality of cyclic molecules each including a functional group having an ester bond.
Dependencies are inferred from the claim text.