As a "surfactant" or wetting agent and solvent, PG is actually the active component in antifreeze.
丙二醇是“表面活性剂”，或湿润剂、溶解剂，是防冻液中一种主要成分。
2
Surfactant is an important deinking agent constituent in reutilization of waste paper.
表面活性剂是化学法废纸脱墨剂的重要组成部分。
3
Using aluminosilicate trade waste as a raw material, the experimental research on single surface modification and compounded surface modification of surfactant and coupling agent was performed.