| http://www.w3.org/ns/prov#value | - The invention relates to a mixture containing at least 70% by weight o a polyhydroxyalkanoate and a compound or a mixture of compounds which contain at least two reactive groups, such as acid and/or alcohol groups, which can form ester bonds with at least some of the hydroxyl and/or acid groups of the polyhydroxyalkanoate on melting.
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