The invention herein disclosed comprises the use of oxazolidines, nitroalcohols, nitroamines, aminonitroalcohols, imines, hexahydropyrimidines, 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
噁唑烷、硝基醇、
硝基胺、
氨基硝基醇、
亚胺、六氢
嘧啶、亚硝基酮、
羟胺、硝基烯烃和硝基
缩醛作为
酚醛
树脂的固化剂和/或催化剂。本发明中所描述的固化剂和催化剂可应用于任何使用
酚醛
树脂的应用中,包括但不限于粘接剂、模塑、涂料、拉挤成型、预浸料、电子、复合材料、耐火和阻燃最终用途。