A laminated structure comprising a polyester film and a polyvinylbutyral sheet which are laminated through an adhesive layer obtained by curing a composition comprising an amino group-containing organosilicon compound of the following formula ##STR1## preferably its hydrolytic condensation product and a diamine of the formulaH.sub.2 N--R--NH.sub.2 (II)All symbols in these formulae are as defined in the specification. The structure is particularly useful in an automobile safety glass.