What is Polyethylene Glycol Used For?
Polyethylene glycol (PEG) is an important class of polymer compounds, which is widely used in medicine, cosmetics, food, industry and other fields. The basic chemical structure of PEG is repeated -(CH2CH2O)- units, and the molecular weight ranges from hundreds to tens of thousands. PEGs of different molecular weights have significant differences in physical and chemical properties, which...
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