| 摘要 |
<p>PCT No. PCT/FI97/00184 Sec. 371 Date Mar. 5, 1998 Sec. 102(e) Date Mar. 5, 1998 PCT Filed Mar. 24, 1997 PCT Pub. No. WO97/37848 PCT Pub. Date Oct. 16, 1997A multi-layer material including a cellulose-based naturally decomposing basic layer, at least one polyhydroxyalkanoate layer on the basic layer and at least one biodegradable polylactide layer between the basic layer and the at least one polyhydroxyalkanoate layer.</p> |
