Patent ID: 11898016
Assignee: KANEKA CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC C  B  Y | IPC B  C

Claim 5:
6. The masterbatch according to claim 1,
wherein the thermally expandable microcapsules (A) have a core-shell structure and are constituted by a core comprising at least one compound having a boiling point of 10° C. or more and 330° C. or less, and a shell that encloses the core, and
wherein the shell comprises a resin having a constitutional unit derived from at least one monomer selected from the group consisting of a nitrile monomer, a (meth)acrylate monomer, an aromatic vinyl monomer, a diene monomer, a vinyl monomer having a carboxyl group, and a monomer having at least one reactive functional group selected from the group consisting of a methylol group, a hydroxyl group, an amino group, an epoxy group, and an isocyanate group.