Patent ID: 11952437
Assignee: XIAOHUI TIAN
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 9:
10. The processing method according to claim 2, wherein, the first pH adjuster and the second pH adjuster each are independently at least one selected from the group consisting of monopotassium phosphate (MKP), dipotassium phosphate (DKP), monosodium phosphate (MSP), disodium phosphate (DSP), sodium phosphate, potassium acetate, sodium acetate, sulfuric acid, hydrochloric acid, nitric acid, acetic acid, succinic acid, citric acid, sodium hydroxide, ammonia water, potassium hydroxide, sodium carbonate, and sodium bicarbonate; and the surfactant in in step 1) is at least one selected from the group consisting of a non-ionic surfactant, an anionic surfactant, a cationic surfactant, and an amphoteric surfactant.