Method for producing alternating copolymers

Abstract

Abstract ALTERNATING COPOLYMERS ARE PRODUCED ACCORDING TO A PROCESS IN WHICH AT LEAST ONE GROUP (A) MONOMER SELECTED FROM A TERMINAL UNSATURATED OLEFINIC COMPOUND, AN INTERNAL OLEFINIC COMPOUND, A NON-CONJUGATED POLYOLENIC COMPOUND, AN ACETYLENIC COMPOUND AND A CARBONYL- OR THIOCARBONYL-CONTAINING NON-CONJUGATED, UNSATURATED COMPOUND, AND AT LEAST ONE GROUP (B) MONOMER, SELECTED FROM CONJUGATED VINYL AND SUBSTITUTED VINYL COMPOUNDS HAVING NITRILE OR CARBONYL GROUPS AT THE POSITION CONJUGATED TO THE CARBON-CARBON DOUBLE BOND ARE COPOLYMERIZED IN THE PRESENCE OF A CATALYST SYSTEM PREPARED BY MIXING, IN THE PRESENCE OF AT LEAST THE ABOVE-MENTIONED GROUP (B) MONOMER, A COMPOUND OF A TRANSITION METAL OF GROUPS IVA, VA, VIA AND VIII OF THE MENDELEEF''S PERIODIC TABLE WHICH HAS AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF A HALOGEN ATOM AND ALKOXY, B-DIKETO AND ACYLOXY GROUPS WITH AN ORGANO-ALUMINUM OR -BORON HALIDE, WHEREBY THE TRANSITION METAL COMPOUND ENHANCES THE REACTION CARRIED OUT IN THE PRESENCE OF AN ORGANOALUMINUM OR -BORON HALIDE.

Inventors

• 👤 Masaaki Hirooka
• 👤 Seimei Yasui
• 👤 Kentaro Mashita
• 👤 Fumiyuki Kimura

Bibliographic Details