Bis 2,4-bis (1,1-dimethylethyl) phenyl-2,6-dimethylphenyl aryldiphosphate compound and its preparation method

摘要

The bis [2,4-bis (1,1-dimethylethyl) phenyl-2,6-dimethylphenyl] aryl diphosphate compound represented by the following formula (1) is a novel compound which can be used for imparting flame retardancy and heat resistance to a plastic resin A flame retardant and a novel process for preparing it, thereby solving the problems of removing phosphorus oxychloride and the production of undesirable oligomers during the conventional process of producing a flame retardant.