Norner IP As

Carlos Barreto Soler

Siw Bodil Fredriksen

Espen Ommundsen

Rodney W Rychwalski

A process for the manufacture of a modified poly(alkylene carbonate) comprising compounding i) at least one poly(alkylene carbonate) and at least one modifying agent having at least three carboxylic acid groups, or ii) at least one carboxylic acid group and at least one anhydride group, or iii) at least two anhydride groups, at a temperature of 120 to 240&#xb0; C.

Modified poly(alkylene carbonate) composition

A process for purifying a poly(alkylene carbonate), said process comprising the steps of adding said poly(alkylene carbonate) to an aqueous solution, optionally in the presence of an acid compound, in the absence of any organic solvent. subsequently heating said blend to a temperature of up to 200&#xb0; C.; and removing the aqueous phase and drying the residue.

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Porsgrunn, Norway

Carlos Barreto Soler