| 摘要 |
<p>In particular biodegradable plastics materials comprising a polyvinylacetate/polyvinylalcohol copolymer, gas impermeable films formed from biodegradable plastics, toiletry articles formed from biodegradable plastics which can be disposed of by flushing into a sewage system, doses of cleaning materials such as laundry or dishwashing detergent packaged in biodegradable plastics and packaging devices for biodegradable plastics.</p> |
