Abstract: The present invention relates to a process for separating a mixture comprising lactide(s) and glycolide comprising the steps of: p) providing a mixture comprising lactide(s) and glycolide, wherein said mixture is provided in the molten state, q) determining the crystallization point of said mixture, r) determining a desired amount of lactide or of glycolide to be recovered from said mixture, s) selecting a suitable crystallization temperature (Tc) based on the desired amount of lactide or of glycolide to be recovered as determined in step c), t) subjecting said mixture to a melt crystallization at said temperature Tc, thereby obtaining a mother liquid and a crystallized product, wherein said crystallized product comprises crystalized lactide or crystallized glycolide, and u) recovering said crystallized product. The process of the invention may comprise additional step(s) for the further purification of the recovered crystallized product and/or for increasing amounts of recovered crystallized product.

Abstract: A method for producing a polylactic acid (PLA) shaped article by thermoforming and thermoformed PLA articles. The method for producing a shaped article includes: heating a sheet of crystallizable polylactic acid (PLA)-based resin having a ratio of cold crystallization over total melting enthalpy (?Hcc/?Hm) greater than 0.70 as determined by differential scanning calorimetry (DSC), wherein heating includes a heating step the sheet is heated from a surface temperature of at most 80° C. to a surface temperature of at least 90° C. to at most 150° C. at heating rate of 5° C. to 25° C. per second, to provide heated sheet having a ratio of cold crystallization over total melting enthalpy (?Hcc/?Hm) greater than 0.5 as determined by DSC; and immediately after heating, forming heated sheet to provide a shaped article by means of a mold having a temperature of at least 70° C. and at most 120° C.

Abstract: A method for producing a polylactic acid (PLA) shaped article by thermoforming and thermoformed PLA articles. The method for producing a shaped article includes: heating a sheet of crystallizable polylactic acid (PLA)-based resin having a ratio of cold crystallization over total melting enthalpy (?Hcc/?Hm) greater than 0.70 as determined by differential scanning calorimetry (DSC), wherein heating includes a heating step the sheet is heated from a surface temperature of at most 80° C. to a surface temperature of at least 90° C. to at most 150° C. at heating rate of 5° C. to 25° C. per second, to provide heated sheet having a ratio of cold crystallization over total melting enthalpy (?Hcc/?Hm) greater than 0.5 as determined by DSC; and immediately after heating, forming heated sheet to provide a shaped article by means of a mold having a temperature of at least 70° C. and at most 120° C.

Abstract: The present invention relates to a multilayer structure, such as a film or a sheet, and articles made from such multilayer structures. The present invention provides a multilayer structure comprising at least three different layers A, B and C, wherein said layer B is disposed between said layer A and said layer C and is capable of binding said layer A to said layer C, wherein layer A comprises a polylactide (PLA) polymer, layer B comprises a lactide-rich poly(lactide-co-glycolide) (PLGA) polymer, and layer C comprises a polyglycolide (PGA) polymer and/or a glycolide-rich poly(lactide-co-glycolide) (PLGA) polymer. The present invention also provides a multilayer structure comprising at least one barrier layer, providing gas barrier properties, wherein said barrier layer comprises a glycolide-rich poly(lactide-co-glycolide) (PLGA) polymer.

Abstract: The present invention relates to a multilayer structure, such as a film or a sheet, and articles made from such multilayer structures. The present invention provides a multilayer structure comprising at least three different layers A, B and C, wherein said layer B is disposed between said layer A and said layer C and is capable of binding said layer A to said layer C, wherein layer A comprises a polylactide (PLA) polymer, layer B comprises a lactide-rich poly(lactide-co-glycolide) (PLGA) polymer, and layer C comprises a polyglycolide (PGA) polymer and/or a glycolide-rich poly(lactide-co-glycolide) (PLGA) polymer. The present invention also provides a multilayer structure comprising at least one barrier layer, providing gas barrier properties, wherein said barrier layer comprises a glycolide-rich poly(lactide-co-glycolide) (PLGA) polymer.

Abstract: A method for producing a polylactic acid (PLA) shaped article by thermoforming and thermoformed PLA articles. The method for producing a shaped article includes: heating a sheet of crystallizable polylactic acid (PLA)-based resin having a ratio of cold crystallization over total melting enthalpy (?Hcc/?Hm) greater than 0.70 as determined by differential scanning calorimetry (DSC), wherein heating includes a heating step the sheet is heated from a surface temperature of at most 80° C. to a surface temperature of at least 90° C. to at most 150° C. at heating rate of 5° C. to 25° C. per second, to provide heated sheet having a ratio of cold crystallization over total melting enthalpy (?Hcc/?Hm) greater than 0.5 as determined by DSC; and immediately after heating, forming heated sheet to provide a shaped article by means of a mold having a temperature of at least 70° C. and at most 120° C.

Abstract: This invention relates to labels, particularly removable polymeric labels for use on reusable containers. The labels contain at least two polymeric layers having different coefficients of linear thermal expansion, such that, upon exposure to elevated temperatures, the label is reversibly curled.

Abstract: This invention relates to labels, particularly removable polymeric labels for use on reusable containers. The labels contain at least two polymeric layers having different coefficients of linear thermal expansion, such that, upon exposure to elevated temperatures, the label is reversibly curled.