无酚法二硬脂基季戊四醇亚磷酸酯的合成工艺研究唐蓉萍侯侠(兰州石化职业技术学院石油化学工程系,兰州730060)[摘要]介绍了抗氧剂二硬脂基季戊四醇亚磷酸酯的合成方法,并以季戊四醇、三氯化磷和硬酯醇为原料合成了抗氧剂二硬脂基季戊四醇亚磷酸酯
该方法工艺稳定,成本低,产品收率达94%,所用溶剂和催化剂可回收并循环使用
[关键词]合成;抗氧剂;二硬脂基季戊四醇亚磷酸酯SynthesisofAntioxidantDialkypentaerythitoldiphosphitebyNon-PhenolProcessTangRongpingHouxia(LanZhouPetrochemicalCollegeofVocationalTechnology,LanZhou,730060,China)Abstract:Aprocessforthepreparationofdialkylpentaerythritoldiphosphiteswhicharenotcontaminatedbythepresenceofphenol
Theprocessutilizespentaerythritol,phosphorustrichlorideasstartingmaterialstoprepearedichloropentaerythritoldiphosphite(DDS)andthenDDSreactswithstearicalcoholabtainingdistearylpentaerythritoldiphosphite
Thepurityandconversionoftheproductoftheprocessaregreat
Keywords:synthesis;antioxidant;Dialkypentaerythitoldiphosphite二硬脂基季戊四醇亚磷酸酯又名抗氧剂618,化