compositions having a compound comprising at least one alkoxy silane moiety , and at least one moiety selected from a nitrosoaromatic or a nitrosoaromatic precursor and combinations thereof ; and an aqueous or water containing carrier medium are provided for use in polymer bonding . the water may allow for substantial hydrolysis of the compound . suitable polymers may have diene or allylic functionality within the polymer chain , for example an elastomer such as a natural or synthetic rubber . the polymers may be bonded to metals or substrates with hydroxylated surfaces such as glass . the nitrosobenzene precursor may be at least one of a quinone dioxime or a quinone oxime .