| 摘要 |
<p>THE PRESENT INVENTION DESCRIBES OF BIODEGRADABLE OIL ABSORBING SHEETS PREFERABLY FOR COSMETIC AND SKIN CARE PURPOSES COMPRISING POLYHYDROXYALKANOATES WHEREIN SAID POLYHYDROXYALKANOATES CONSISTING OF 3-HYDROXYPROPIONATE, 3-HYDROXYBUTYRATE, 4-HYDROXYBUTYRATE, 3-HYDROXYVALERATE, 3-HYDROXYHEXANOATE, 3-HEPTANOATE, 3-HYDROXYOCTANOATE, 3-HYDROXYNONANOATE, 3-HYDROXYDECANOATE, 3-HYDROXYDODECANOATE (SATURATED AND UNSATURATED SIDE-CHAIN), 3-HYDROXYTETRADECANOATE, OR, ANY COMBINATION THEREOF OF THE MENTIONED MONOMERIC UNITS, SUCH AS BUT NOT LIMITED TO COPOLYMERS, TERPOLYMERS AND HETEROLYMERS.</p> |
