| 摘要 |
<p>PCT No. PCT/FR96/01476 Sec. 371 Date May 18, 1998 Sec. 102(e) Date May 18, 1998 PCT Filed Sep. 20, 1996 PCT Pub. No. WO97/11137 PCT Pub. Date Mar. 27, 1997Method for attaching a polyurethane (PU) surface to a polyvinyl chloride or other polymer surface, particularly useful for making smart cards. A plasticizer compatible with both the PU and the polymer is placed between the surface of the polymer and the surface of a bicomponent PU precursor resin, and pressure is applied to incorporate the plasticizer in the polymer surface and in the polyurethane as it forms.</p> |
