Process for preparing alternating copolymer of butadiene and alpha-olefine
Abstract
Abstract A PROCESS FOR PREPARING AN ALTERNATING COPOLYMER OF BUTADIENE AND A-OLEFIN HAVING THE FORMULA OF CH2=CHR, WHEREIN R REPRESENTS PHENYL OR A NORMAL OR BRANCHED CHAIN LOWER ALKYL RADICAL, WHICH COMPRISES CONTACTING BUTADIENE AND THE A-OLEFINE IN LIQUID PHASE WITH A CATALYST SYSTEM OF AN ORGANOALUMINUM COMPOUND, A VANADIUM COMPOUND HAVING V-X LINKAGE (X IS HALOGEN) AND A COMPOUND HAVING M-OR LINKAGE, M IS AN ATOM WHOSE ELECTRO NEGATIVITY IS LOWER THAN 2.2 AND R IS A HYDROCARBON RADICAL OF ALKYL, ARYL, CYCLOALKYL OR HALOGENATED ETHER RADICAL OR A COMPOUND HAVING (O-M)X-(O-M'')Y-OR LINKAGE (M IS DEFINED AS ABOVE AND M'' CAN BE DEFINED BY THE SAME DEFINITION GIVEN IN M). OPTIONALLY, A HALOGEN ATOM, A HALOGEN CONTAINING COMPOUND, A METAL OXIDE OR A METALLOID OXIDE CAN BE ADDED TO THE CATALYST SYSTEM.
Inventors
- 👤 Akiharo Kawasaki
- 👤 Isao Maruyama
Bibliographic Details
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