申请人:The Goodyear Tire & Rubber Company
公开号:US04370434A1
公开(公告)日:1983-01-25
Compounds of the formula: ##STR1## wherein R, R' and R.sup.2 are alkyl radicals having 1 to 20 carbon atoms, phenyl radicals which may be substituted by 1 or 2 alkyl groups having 1 to 8 carbon atoms, aralkyl radicals having 7 to 12 carbon atoms, or cycloalkyl radicals having 5 to 12 carbon atoms; and wherein R.sup.3 is hydrogen or an alkyl radical having from 1 to 4 carbon atoms. These compounds have utility as synergistic stabilizers with phenolic type antioxidants for the stabilization of organic materials such as natural and synthetic polymers, rubbers, lubricants and oils, etc.
该化合物的式子为:##STR1## 其中R、R'和R.sup.2是具有1至20个碳原子的烷基基团、苯基基团,可以被1或2个具有1至8个碳原子的烷基基团取代、具有7至12个碳原子的芳基烷基基团或具有5至12个碳原子的环烷基基团;而R.sup.3为氢或具有1至4个碳原子的烷基基团。这些化合物可作为酚类抗氧化剂的协同稳定剂,用于稳定天然和合成聚合物、橡胶、润滑剂和油等有机材料。