Patent ID: 7049048

Claim:
A substrate comprising, a support and an interlayer on the support, in which: the support comprises aluminum or an aluminum alloy; the interlayer comprises an interlayer material; the interlayer material is a co-polymer comprising K units and L units; K is selected from —[CH 2 C(R 1 )CO 2 H]—, —[CH 2 CH(PO(OH) 2 )]—, and mixtures thereof; L is —[CH 2 C(R 2 )(WSi(OR 3 ) 3 )]—; R 1 is hydrogen, methyl, or a mixture thereof; R 2 is hydrogen, methyl, or a mixture thereof; W is a bivalent linking group, a combination of bivalent linking groups, or a mixture of bivalent linking groups; and each R 3 is independently phenyl, or alkyl of one to six carbon atoms.