Laminated glass with polyurethane resin layer and silane coupling agent layer

DETAILED DESCRIPTION We claim: 1.
A laminated glass having at least one glass sheet and at least one polyurethane resin film or sheet bonded with a silane coupling agent layer interposed therebetween, wherein said silane coupling agent layer is a layer of a mixture comprising at least one silane coupling agent capable of providing bond strength for the bonding between said glass sheet and said resin film or sheet, and at least one silane coupling agent incapable of providing bond strength for the bonding between said glass sheet and said resin film or sheet, which has a formula (R.
sub.
4 --X--).
sub.
m Si(--R.
sub.
2).
sub.
n (--R.
sub.
3).
sub.
4-m-n( 2) wherein X is a C.
sub.
2-6 alkylene group, R.
sub.
2 is an alkyl group, an aryl group, an arylalkyl group, an alkylaryl group or a hydrogen atom, R.
sub.
3 is an alkoxy group, an aryloxy group or a chlorine atom, R.
sub.
4 is a perfluoroalkyl group, m is an integer of from 1 to 3, and n is an integer of from 0 to 2, provided that m+n is at most 3.
2.
The laminated glass according to claim 1, wherein the silane coupling agent capable of providing bond strength for the bonding between the glass sheet and the polyurethane resin film or sheet contains at least a group capable of bonding to the glass sheet and a functional group reactive with the resin film or sheet, and the silane coupling agent incapable of providing bond strength to the bonding between the glass sheet and the resin film or sheet contains at least a group capable of boding to the glass sheet and no functional group reactive with the resin film or sheet.
3.
The laminated glass according to claim 1, wherein the silane coupling agent capable of providing bond strength for the bonding between the glass sheet and the resin film or resin sheet is a compound of the following formula (1) (R.
sub.
1 --X--).
sub.
m Si(--R.
sub.
2).
sub.
n (--R.
sub.
3).
sub.
4-m-n( 1) wherein R.
sub.
1 is an amino group, an N-aminoalkyl-amino group, a glycidoxy group, an isocyanate group, an epoxycyclohexyloxy group or a mercapto group, X is a C