Polymer polyols are defined as very fine and stable dispersions of solid polymers (vinylic polymers and copolymers, polyurea, polyurethanes) in liquid polyethers. Currently polymer polyols represent ...
Polyester polyols were the only polyols available to the polyurethanes industry at the beginning, but now, in spite of the leading position of polyethers in the total polyols usage in the polyurethane ...