| 摘要 |
<p>The present invention is directed to a multilayer article including at least one layer of microporous material including: (a) a polymeric matrix including a renewable polymer and optionally a polyolefin that is the same as or different from the renewable polymer, (b) finely divided, particulate filler distributed throughout the matrix, and (c) at least 35 percent by volume of a network of interconnecting pores communicating throughout the microporous material. At least one layer of the multilayer article includes at least one of a data transmission device, electronic circuitry, antenna, or magnetic material.</p> |
