Polyether polyols (also konwn as polyols) are usually produced from small-molecular-weight polyols or polyamines (such as ethylene glycol, propylene glycol, pentaerythritol, ethylenediamine, etc.) as initiator, under the catalytic action of a catalyst, and through the ring-opening polymerization with organic epoxides (such as ethylene oxide (EO) and propylene oxide (PO)):
In the formula:
α: The number of reactive hydrogens;
n:The -degree of polymerization;
R :alkyl or hydrogen;
YHα - initiator.
The polyether polyol is the most significant downstream part in the epoxy propane market. According to relevant data, approximately 65% to 80% of the epoxy propane supply is used for the production of polyether polyols. Additionally, other areas such as propylene glycol, propylene glycol monomethyl ether, surfactants, oilfield demulsifiers, and pesticide emulsifiers also the downstream of epoxy propane, but the proportion is relatively smaller.
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