申请人:The Goodyear Tire & Rubber Company
公开号:US05069819A1
公开(公告)日:1991-12-03
The present invention relates to thioesters having the structural formula: ##STR1## wherein R.sup.x is selected from the group of formulae consisting of: ##STR2## R.sup.1, R.sup.2 and R.sup.3 are independently selected from the group of radicals consisting of hydrogen or methyl; R.sup.4 and R.sup.5 are independently selected from the group of radicals consisting of hydrogen, alkyls having 1 to 18 carbon atoms, aryls having 6 to 10 carbon atoms, aralkyls having 7 to 9 carbon atoms, and radicals of the formula: ##STR3## and R.sup.6 is selected from the group of radials consisting of alkyls having 1 to 24 carbon atoms, aryls having 6 to 12 carbon atoms and aralkyls having 7 to 12 carbon atoms. These thioesters are particularly useful as a synergist for conventional phenolic and amine antioxidants.
本发明涉及具有结构式的硫代酯:##STR1##其中R.sup.x从以下式组的群体中选择:##STR2##R.sup.1,R.sup.2和R.sup.3独立地选择自由基群体,包括氢或甲基;R.sup.4和R.sup.5独立地选择自由基群体,包括氢、具有1至18个碳原子的烷基、具有6至10个碳原子的芳基、具有7至9个碳原子的芳基烷基和式的自由基:##STR3##R.sup.6从以下自由基组的群体中选择:具有1至24个碳原子的烷基、具有6至12个碳原子的芳基和具有7至12个碳原子的芳基烷基。这些硫代酯特别有用作为传统酚类和胺类抗氧化剂的协同剂。