| 摘要 |
PURPOSE: A manufacturing method of a copolymer or terpolymer is provided to provide excellent transparency, processability, mechanical/electrical performance, adhesion with other plastic material and metal, coatability, and printability for an olefin-aromatic-vinyl compound copolymer resin. CONSTITUTION: A manufacturing method of a copolymer or terpolymer comprises: a step of obtaining copolymer or terpolymer comprising repeating units indicated in chemical formula 3 by polymerizing an aromatic vinyl compound monomer or a mixture of olefin monomer and an aromatic vinyl compound monomer, and an alkenyldialkylaluminum compound indicated in chemical formula 2; and a step of conducting reaction by contacting the copolymer or terpolymer with oxygen, carbon dioxide, or sulfur trioxide. |
