10/26/2010
7,820,746
Thermoplastic polymer composition
Soma and Inui of Sumitomo Chemical, Japan developed a stabilizer for preventing heat discoloration in thermoplastics consisting of a mixture of phosphates and erythritols.  The materials should  contain 0.01 to 5 phosphites and 0.05 to 0.5 phr erythritols.  (RDC 2/18/2011)