A METHOD OF PRODUCING AN INJECTION MOLDED BIODEGRADABLE POLYMERIC ARTICLE

摘要

A METHOD OF PRODUCING A POLYMERIC COMPOSITION COMPRISING HEATING A POLYVINYL ALCOHOL RESIN IN THE FORM OF A POWDER TOGETHER WITH A PLASTICIZER AT A TEMPERATURE RANGES FROM 90°C TO 95°C AND MIXING THE HEATED RESIN WITH A NATIVE STARCH AND A FURTHER ADDITION OF THE PLASTICIZER ON A TEMPERATURE RANGE FROM 30°C TO 50°C. (NO DRAWING DISCLOSED.)