dibutyltin mono(2-ethylhexyl) maleate: optimizing pvc injection molding processes introduction dibutyltin mono(2-ethylhexyl) maleate (dbtm) is a widely utilized organotin compound primarily employed as a heat stabilizer in the processing of polyvinyl chloride (pvc) resins. its effectiveness in preventing thermal degradation during high-temperature processing, particularly in injection molding, makes it a crucial additive for achieving desired mechanical...