Patent ID: 11905378
Assignee: SOOCHOW UNIVERSITY
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 6:
7. The method according to claim 1, wherein in step (4), a molar ratio of the functional cyclic polymer, the linear azide polystyrene, pentamethyldiethylenetriamine, the copper, and the copper salt was from (1 to 2):(20 to 40):(20 to 40):(10 to 20):(20 to 40); the fourth solvent is a mixture of tetrahydrofuran and N,N-dimethylformamide, a volume ratio of tetrahydrofuran and N,N-dimethylformamide is (2 to 4):(1 to 2); and the copper salt is cuprous bromide.