Patent ID: 11891506
Assignee: NITTO DENKO CORPORATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 11:
12. A sealant sheet formed as a sheet, comprising an epoxy group-containing polysulfide having a disulfide structure and an epoxy group in its molecule,
wherein the epoxy group-containing polysulfide is a reaction product of an epoxy compound having two or more epoxy groups in one molecule and a thiol group-containing polysulfide having a disulfide structure and a thiol group in one molecule,
the epoxy compound is a combination of bifunctional epoxy compound and polyfunctional epoxy compound, the thiol group-containing polysulfide has a weight average molecular weight of above 3000 and 10000 or lower, and
the sealant sheet has a storage modulus of 0.005 MPa or greater and 0.8 MPa or less at 25° C.