Patent ID: 11912806
Assignee: ZHEJIANG UNIVERSITY
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 2:
3. The preparation method according to claim 1, wherein when the reaction temperature in step 2 or step 3 is a temperature greater than 60° C. and smaller than or equal to 80° C., the initiator is ammonium persulfate, potassium persulfate, hydrogen peroxide or hydrogen peroxide derivatives; when the reaction temperature in step 2 or step 3 is a temperature greater than or equal to 30° C. and smaller than 60° C., the initiator is azodiisobutylimidazoline hydrochloride, azodiisobutylamidine hydrochloride, 2-hydroxy-4′-(2-hydroxyethoxy)-2-methylphenylacetone, a sodium hydrogen persulfate/potassium persulfate redox initiator, or a sodium persulfate/ammonium persulfate redox initiator.