Abstract: 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° C.

Abstract: 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° C.

Abstract: 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° C.; and removing the aqueous phase and drying the residue.

Abstract: 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° C.

Abstract: 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° C.; and removing the aqueous phase and drying the residue.

Abstract: A method of adjusting temperatures of products to a desired product temperature. The method may include enabling the selection of a product, enabling the selection of the desired product temperature, enabling the placement of the product into a temperature adjust device, circulating a liquid or a gas through the temperature adjust device, the liquid or the gas having been cooled to a cool temperature less than the desired product temperature or heated to a warm temperature greater than the desired product temperature, determining when the desired product temperature has been obtained, and ceasing circulation of the liquid or a gas through the temperature adjust device.

Abstract: A method of adjusting temperatures of products to a desired product temperature. The method may include enabling the selection of a product, enabling the selection of the desired product temperature, enabling the placement of the product into a temperature adjust device, circulating a liquid or a gas through the temperature adjust device, the liquid or the gas having been cooled to a cool temperature less than the desired product temperature or heated to a warm temperature greater than the desired product temperature, determining when the desired product temperature has been obtained, and ceasing circulation of the liquid or a gas through the temperature adjust device.