ARTICLES FORMED OF BIODEGRADABLE POLYSTYRENE

摘要

A biodegradeable foamed composite material comprising 35 - 65 parts w/w polystyrene, 30 - 50 parts w/w starch and 5 - 15 w/w of a cross-linking agent. T he cross-linking agent is preferably glycerine, sorbic alcohol or mixtures thereof. The foamed material is used in the form of disposable knives, forks, spoons, plates, lunch boxes which are relatively rapidly biodegradable as to constitute environmentally frie ndly disposable articles.