Abstract: The present invention provides a UV-curable semi-structural adhesive, and a UV-curable semi-structural adhesive tape. The UV-curable semi-structural adhesive comprises: 30-80 parts by weight of a polymer base material comprising a product prepared by polymerization of an (meth)acrylate composition; 20-70 parts by weight of an epoxy resin; and a photoacid generator, wherein the (meth)acrylate composition comprises: 40-65 parts by weight of a first (meth)acrylate monomer containing a secondary hydroxyl group; 35-60 parts by weight of a second (meth)acrylate monomer; and a free-radical polymerization photoinitiator. The (meth)acrylate composition does not gel when used in the package-sealed UV polymerization process for producing semi-structural adhesives, and have good compatiility with epoxy composition, enabling the production of semi-structural adhesives through a solvent-free process.

Abstract: The present invention provides a thermally curable pressure-sensitive adhesive composition, which, based on the total weight of the composition, comprises the following components: a) 35-99% by weight of a reactive polymethacrylate component having a glass transition temperature Tg of ?35° C. to 32° C., and having a reactive functional group which can react with benzoxazine to form an interpenetrating polymer network; and b) 1-65% by weight of a benzoxazine component of the following formula: wherein: X is selected from the group consisting of a covalent bond, C1-C6 alkylene, C3-C10 cycloalkylene group, C?O, S, S?O or O?S?O R1 and R2 are the same or different and independently of each other selected from the group consisting of hydrogen, C1-C6 alkyl, or C5-C14 aryl, and R4 is selected from the group consisting of hydrogen, halogen or C1-C6 alkyl.

Abstract: The present invention provides a thermally curable pressure-sensitive adhesive composition, which, based on the total weight of the composition, comprises the following components: a) 35-99% by weight of a reactive polymethacrylate component having a glass transition temperature Tg of ?35° C. to 32° C., and having a reactive functional group which can react with benzoxazine to form an interpenetrating polymer network; and b) 1-65% by weight of a benzoxazine component of the following formula: wherein: X is selected from the group consisting of a covalent bond, C1-C6 alkylene, C3-C10 cycloalkylene group, C?O, S, S?O or O?S?O R1 and R2 are the same or different and independently of each other selected from the group consisting of hydrogen, C1-C6 alkyl, or C5-C14 aryl, and R4 is selected from the group consisting of hydrogen, halogen or C1-C6 alkyl.