PROCESS

• Main Authors: SOLER, CARLOS BARRETO, RYCHWALSKI, RODNEY W, FREDRIKSEN, SIW BODIL
• Format: Patent
• Language: English; French
• Published: 17.07.2014
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

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. Procédé de fabrication d'un poly(alkylène carbonate) modifié consistant à mélanger i) au moins un poly(alkylène carbonate) et au moins un agent de modification comprenant au moins trois groupes acide carboxylique, ou ii) au moins un groupe acide carboxylique et au moins un groupe anhydride, ou iii) au moins deux groupes anhydride, à une température comprise entre 120 et 240 °C.