METHOD FOR PREPARING A POLYESTER OF THE POLY(1,4:3,6-DIANHYDROHEXITOL-COCYCLOHEXYLENE TEREPHTHALATE) TYPE

• Main Authors: SAINT-LOUP, René, DESCAMPS, Nicolas, JACQUEL, Nicolas
• Format: Patent
• Language: English
• Published: 06.01.2022
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention relates to a method for preparing a polyester of the poly(1,4:3,6-dianhydrohexitol-cocyclohexylene terephthalate) type using at least one nucleating agent. The invention also relates to a composition comprising a polyester of the poly(1,4:3,6-dianhydrohexitol-cocyclohexylene terephthalate) type and at least one nucleating agent as well as to a finished or semi-finished plastic article comprising the composition according to the invention.