Phenolic phosphite antioxidants and polymer compositions containing said antioxidant

   
   

A novel antioxidant has the advantages of both the hindered phenols and the phosphite antioxidant is prepared from phosphorus trichloride and 2,5-di-tert-butylhydroquinone, such as tetrakis-(2,5-di-tert-butyl-4-hydroxyphenyl)-2,5-di-tert-butyl-hydroquinon ediyl diphosphite.

Een nieuw middel tegen oxidatie heeft de voordelen van zowel de belemmerde fenolen als het fosfietmiddel tegen oxidatie wordt voorbereidingen getroffen van fosfortrichloride en 2.5-Di-tert-butylhydroquinone, zoals tetrakis-(2,5-Di-tert-tetrakis-(2,5-di-tert-butyl-4-hydroxyphenyl)-2,5-di-tert-butyl-hydroquinon ediyl diphosphite.

 
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