Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of: A) at least one nitroxyl compound, and B) at least one quinone alkide compound having an electron-withdrawing group at the 7-position. Additionally, a composition is disclosed that comprises: A) at least one nitroxyl compound, and B) at least one quinone alkide compound having an electron-withdrawing group at the 7-position.
本公开涉及一种抑制
乙烯基不饱和单体的过早聚合的方法,包括向所述单体中添加有效量的:A) 至少一种亚
硝基化合物,和B) 在7位具有电子吸引基团的至少一种醌烯化合物。此外,还公开了一种包括:A) 至少一种亚
硝基化合物,和B) 在7位具有电子吸引基团的至少一种醌烯化合物的组合物。