Polypropylene glycol

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Published on November 17, 2021 3:13:26 AM ● Video Link: https://www.youtube.com/watch?v=RtCNkOml-4w

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Polypropylene glycol or polypropylene oxide is the polymer of propylene glycol. Chemically it is a polyether, and, more generally speaking, it's a polyalkylene glycol (PAG) H S Code 3907.2000. The term polypropylene glycol or PPG is reserved for low to medium range molar mass polymer when the nature of the end-group, which is usually a hydroxyl group, still matters. The term "oxide" is used for high molar mass polymer when end-groups no longer affect polymer properties. Between 60 and 70% of propylene oxide is converted to polyether polyols by the process called alkoxylation.

Source: https://en.wikipedia.org/wiki/Polypropylene_glycol
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