| abstract |
The present invention is prepared by partial condensation of PCl 3 with 2,2'-dimethyl-4,4'-dihydroxy-5,5'-di-tert-butyldiphenyl sulfide, with a phosphorus content of 2 to 4 Weight% and a stabilizer mixture having a 2,2'-dimethyl-4,4'-dihydroxy-5,5-di-tert-butyldiphenyl sulfide content of 0.5 to 50% by weight.n n n Stabilizer mixtures have very good solubility in organic solvents and polymers, and have a very good stabilizing action. |