| 摘要 |
Disclosed herein is a hydrophobic fully biodegradable material comprising a main material and a foaming agent, wherein the main material is a product formed by melting a mixture containing polyol and water-containing polyvinyl alcohol, and optionally containing starch; and the polyvinyl alcohol is hydrophobic polyvinyl alcohol. The main material is a product formed from a molten mixture and has a melting temperature of 130-210°C which is much lower than its decomposition temperature of 240-420° C, therefore the hydrophobic fully biodegradable material can achieve molten state, and can achieve real extrusion granulation and foam molding. The foam product prepared from the inventive material by foam molding has excellent foaming ratio (higher than 45%), compression strength (‰¥35 Mpa), resilience rate, dimension stability, water-resistance and biodegradability.
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