A METHOD OF CONTINUAL PRODUCTION OF BLOCK POLYMER OF PROPYLENE AND ETHYLENE

• Main Authors: CHIBA HIROMASA, OKA TAKAHIRO
• Format: Patent
• Language: English
• Published: 10.09.1997
• Edition: 6
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

This patent describes the continual procedure closed to the production of a propylene and ethylene block co-polymer with the well balanced features, something like the shock resistance, workability, and so on, while a good gain is reached, and two polymerisation stages together with catalyst are app...