EXPANDED PRODUCT MADE OF BIODEGRADABLE MATERIAL AND METHOD AND INSTALLATION FOR CONTINUOUSLY MAKING SAME

摘要

The invention concerns an expanded product made of biodegradable material designed for other than food purposes, characterised in that it is obtained by extrusion cooking of a ground native plant vegetable material whereof the average particle size ranges between 1 mu m and 1.5 mm and whereof the amylose/amylopectin ratio is not more than 30 %. The invention also concerns a method and an installation for continuously making such an expanded product from biodegradable material, such as for example a cushioning or isolating material.