BIODEGRADABLE THERMOPLASTIC COMPOSITION Russian patent published in 2010 - IPC C08L1/12 C08L3/02 C08K5/10 C08K5/103 

FIELD: chemistry.

SUBSTANCE: biodegradable thermoplastic composition contains cellulose diacetate containing 56.4% acetate groups, in amount of 25 pts. wt, biodegradable filler - starch in amount of 40-45 pts. wt, hydrolysed lignin in amount of 5-10 pts. wt and a plasticiser in amount of 25 pts. wt. The plasticiser is a mixture of dioxane alcohols and their high-boiling esters, obtained through distillation a light fraction with boiling point of 115-160°C from a floatation agent-oxal at pressure 5-10 mm Hg in amount of 25 pts. wt.

EFFECT: composition has good operational characteristics, articles made from said composition are biodegradable under the effect of natural factors.

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