发明授权
US5360830A Expanded articles of biodegradable plastic materials 失效
生物可降解塑料材料的膨胀制品

Expanded articles of biodegradable plastic materials
摘要:
Expanded articles of biodegradable plastic material having a closed pore structure and a density of from 0.01 to less than 0.1 g/cm.sup.3 are produced by extrusion of a composition including starch and a synthetic polymer selected from ethylene-vinyl alcohol, ethylene-acrylic acid, and mixture thereof.
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