Hindered amine antioxidant and polyethylene material

The invention discloses a hindered amine antioxidant and a polyethylene material, wherein the hindered amine antioxidant comprises the following structure (I) defined in the specification, R1 is alkyl, R2 and R3 are selected from hydrogen or the following general formula (II), at least one of R2 and R3 is selected from the following general formula (II) defined in the specification, R4 is chain-like hydrocarbonyl, and R5, R6, R7, R8, R9, R10, R11, R12, R13, R14 and R15 are independently selected from hydrogen or alkyl. According to the present invention, the hindered amine antioxidant has advantages of good compatibility with polymers, good anti-migration performance and good anti-solvent-extraction performance, can be used for the anti-aging of a variety of polymer materials, has the light color, and is not easily colored. 本发明公开了种受阻胺类抗氧剂及聚乙烯材料，该受阻胺类抗氧剂包括如下结构(Ⅰ)：其中R为烷基，R和R选自氢或如下通式(Ⅱ)，且R和R中至少者选自如下通式(Ⅱ)：其中，R为链状烃基，R、R、R、R、R、R、R、R、R、R、R独立地选自氢或烷基。本发明的受阻胺类抗氧剂与聚合物的相容性好，抗迁移、抗溶剂抽提性能好，可以应用于多种高分子材料的防老化；而且该受阻胺类抗氧剂颜色较浅，不易