Biodegradable moulding compositions comprising a starch, a biodegradable polyester, and a salt of a hydroxycarboxylic acid
AssigneesSolvay SA, Roquette Freres
InventorsClaude Dehennau, Thierry Depireux, Guy Fleche, Serge Gosset, Didier Videau
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Abstract
Disclosed is a thermoformable composition characterized in that it contains at least one starchy compound, at least one biodegradable polyester and at least one salt of hydroxycarboxylic acid.
Claims45
A biodegradable thermoformable composition comprising:
- a) at least one starchy compound;
- b) at least one biodegradable polyester;
- and
- c) at least one salt of an hydroxycarboxylic acid.
A process for making a biodegradable thermoformed article comprising thermoforming a composition including a) at least one starchy compound in a destructured or partially molten state, b) at least one biodegradable polyester, and c) at least one salt of an hydroxycarboxylic acid.
A biodegradable thermoformable composition comprising:
- a) at least one starchy compound;
- b) at least one biodegradable polyester;
- and
- c) at least one salt of an hydroxycarboxylic acid selected from the group consisting of monohydroxy/monocarboxylic acid salts, polyhydroxy/monocarboxylic acid salts, and a combination thereof.
Dependencies are inferred from the claim text.