Patent ID: 11905403
Assignee: LG CHEM, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 2:
3. The method of claim 1, further comprising a step of preparing the copolymer of an olefin-vinyl carboxylate-based compound by adding an olefin and a vinyl carboxylate-based compound in a molar ratio of 5:95 to 40:60 and polymerizing them in an alcohol-based solvent in the presence of a radical initiator, before the hydrolysis of the copolymer of an olefin-vinyl carboxylate-based compound, and
the radical initiator is used in a molar ratio of 0.001 to 1 with respect to 100 mol of a total amount of monomers comprising the olefin and the vinyl carboxylate-based compound.