Polypropylene Glycol (PPG)
Polypropylene Glycols (PPGs) are poylmers of propylene oxide. Water solubility decreases and viscosity increases with higher molecular weight. PPGs are clear, viscious liquids. The principal end uses of PPGs are in folumations for polyurethanes, surfactants, wetting agents, adhesives and cosmetics.
Several different molecular weight PPGs are availiable. Monument Chemical's PPGs are sold under the trade name Poly-G®
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