NOVELTY – Thermoplastic extrusion involves elaborating granules containing amide, gelatin or fatty acid and plasticizer. A film is formed by blow extrusion process. USE – Method for extruding thermoplastic for biodegradable flexible bioplastic (all claimed) used as flexible packaging in packaging of multiple products. ADVANTAGE – The thermoplastic extruding method is cost-effective.
A32 (Polymer fabrication – such as moulding, extrusion, forming, laminating, spinning.); A11 (Polysaccharides; natural rubber; other natural polymers (only a restricted range of (modified) natural polymers are included. Thus starch would be excluded, but chemically modified starch included).); A92 (Packaging and containers – including ropes and nets.)