Patent ID: 11965089
Assignee: BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 40:
41. The method according to claim 19, wherein the base is at least one selected from the group consisting of lithium hydroxide, sodium hydroxide, potassium hydroxide, calcium hydroxide, barium hydroxide, zinc hydroxide, magnesium hydroxide, lithium acetate, sodium acetate, potassium acetate, calcium acetate, barium acetate, zinc acetate, sodium methoxide, sodium ethoxide, sodium propoxide, sodium isopropoxide, sodium tert-butoxide, sodium tert-pentoxide, sodium isooctoxide, potassium methoxide, lithium methoxide, zinc methoxide, magnesium methoxide, calcium methoxide, potassium ethoxide, barium ethoxide, calcium ethoxide, lithium ethoxide, and potassium tert-butoxide.