The invention herein disclosed comprises the use of oxazolidines, nitroalcohols, nitroamines, aminonitroalcohols, imines, hexahydropyimidines, nitrones, hydroxylamines, nitro-olefins and nitroacetals to serve as hardeners and/or as catalysts for curing phenolic resins. The hardeners and catalysts described in the invention can be applied in any application where phenolic resins are used, including but not limited to adhesives, molding, coatings, pultrusion, prepregs, electronics, composites, fire resistant, and flame-retardant end uses.
本发明涉及使用氧杂
环丙烷、硝基醇、
硝基胺、
氨基硝基醇、
亚胺、六氢
嘧啶、亚硝酰胺、
羟胺、硝基烯烃和硝基
缩醛作为
酚醛
树脂的硬化剂和/或催化剂。本发明中所描述的硬化剂和催化剂可应用于任何
酚醛
树脂使用的应用中,包括但不限于粘合剂、成型、涂料、拉挤成型、预浸料、电子、复合材料、防火和阻燃终端用途。