Patent ID: 11932785
Assignee: SEKISUI CHEMICAL CO., LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. An epoxy adhesive composition comprising:
a modified polyvinyl acetal resin having a constitutional unit with an acid-modified group;
an adhesive layer modifier; and
an epoxy resin,
wherein the epoxy adhesive composition has a ratio of an acid-modified group equivalent of the modified polyvinyl acetal resin to an epoxy equivalent of the epoxy resin (acid-modified group equivalent/epoxy equivalent) of 5.0 to 150.0,
the epoxy adhesive composition has a number ratio of the acid-modified group to an epoxy group (acid-modified group number/epoxy group number) of 0.0005 to 0.5, and
the amount of the modified polyvinyl acetal resin is 0.5 parts by weight or more and 100 parts by weight or less per 100 parts by weight of the epoxy resin.