Curable compositions which are precursors for cured or partially cured light stabilized epoxy resins which are the product of the reaction of some or all of the epoxy groups of an epoxy resin with an N-(2,2,6,6-tetraalkyl-4-piperidinyl)amic acid hydrazide as well as the cured or partially cured reaction products thereof together with processes for their use and articles of manufacture produced thereby are disclosed.
本发明公开了作为固化或部分固化光稳定环氧
树脂前体的可固化组合物,这些组合物是环氧
树脂的部分或全部环氧基团与 N-(2,2,6,6-四烷基-4-
哌啶基)胺酸酰
肼反应的产物,以及其固化或部分固化反应产物及其使用工艺和由此生产的制品。