Freeze-dried emulsion can be made through freeze drying after adding freeze-dried protectingagent into the emulsion.
可在乳剂中加入冻干保护剂后冷冻干燥制成冻干乳剂。
2
HPMC solution has the function of surface activity, which can be used as colloid protectingagent, emulsifying agent and dispersant.
HPMC水溶液具有表面活性功能，可作为胶体保护剂，乳化剂和分散剂。
3
Oil soluble temporary plugging agent DGZ is a novel multiple functions reservoir protectingagent developed based on temporary shielding plugging theory.