(monomers) by establishing ether links between them; polyethers, which may be either chainlike or networklike in molecular
structure, comprise an unusually diverse group of polymers.
manufacture of emulsifying or wetting agents and lubricants. Polypropylene glycols are liquids, mostly insoluble in water, used to
suppress foaming in industrial processes and for making polyurethane resins, hydraulic fluids, and various other materials.