It is an object to provide a photoreactive hot-melt adhesive composition
which exhibits high adhesive strength immediately after combination of
adherends and excellent bond strength after completion of curing and
provides a highly durable bonded laminate.A photoreactive hot-melt
adhesive composition containing: (a) a bisphenol F epoxy resin that
assumes a solid form at ordinary temperature; (b) at least one compound
selected from the group consisting of a compound represented by the
following formula (1), a copolymer of tetramethylene oxide and ethylene
oxide and a copolymer of tetramethylene oxide and propylene oxide; and
(c) a cationic photoinitiator; R1-(OR2).sub.n--OR3 Formula (1) (In the
formula, R1 and R3 independently represent any of a hydrogen atom, a
glycidyl group, and a monofunctional substituted or unsubstituted
hydrocarbon group having 1 8 carbon atoms; R2 represents a bifunctional,
substituted or unsubstituted hydrocarbon group having 2 8 carbon atoms;
and n is an integer of 2 or larger. In (OR2).sub.n, R2's of OR2's may be
all identical to or different from each other).