This invention relates to novel ethylenically unsaturated macromers, preformed stabilizers prepared from these novel macromers, polymer polyols prepared from either the novel ethylenically unsaturated macromers or the preformed stabilizers, and to processes for the preparation of these compositions.
本发明涉及新型
乙烯基不饱和大分子聚合物、由这些新型大分子聚合物制备的预制稳定剂、由新型
乙烯基不饱和大分子聚合物或预制稳定剂制备的聚合物多元醇,以及制备这些组合物的工艺。