| 摘要 |
<p>This invention provides a multilayered structure comprising a substrate layer secured to a layer comprising a composite of a polymer and a particulate, layered compound selected from the group consisting of compounds represented by the general formula M(O3ZOxR)n wherein M is selected from the group consisting of tetravalent metal ions selected from the group consisting of Zr, Te, Pr, Mn, W, Sn, Pb, Ir, U, Si, Os, Hf, Ti, Ru, Nb, Ge, Th, Pu, V, Mo, Ce and mixtures thereof; Z is an atom selected from the group consisting of members of Group V of the Periodic Table of the Elements, having an atomic weight of at least 30; R is selected from the group consisting of hydrogen and organic radicals; n may equal 1 or 2, except that n is 1 when R is terminated by a tri- or tetra-oxy pentavalent atom and x varies from 0 to 1.</p> |
