The invention provides a compound of the formula:
wherein Ar is selected from the group consisting of aryl, monosubstituted aryl and polysubstituted aryl, heteroaryl, monosubstituted heteroaryl and polysubstituted heteroaryl; Ar′ is selected from the group consisting of aryl, monosubstituted aryl and polysubstituted aryl, heteroaryl, monosubstituted heteroaryl and polysubstituted heteroaryl; R is an alkylene radical having 2-20 carbon atoms; and n=1-20. The compounds of the invention are used with polymer resins to enhance their gas barrier properties.
本发明提供了以下化合物:其中Ar选自苯基、单取代苯基和多取代苯基、杂环芳基、单取代杂环芳基和多取代杂环芳基;Ar′选自苯基、单取代苯基和多取代苯基、杂环芳基、单取代杂环芳基和多取代杂环芳基;R是具有2-20个碳原子的烷基基团;n=1-20。本发明的化合物可与聚合物
树脂一起使用,以增强其气体屏障性能。