dibutyltin mono(2-ethylhexyl) maleate: a comprehensive overview of its application in pvc compounding introduction dibutyltin mono(2-ethylhexyl) maleate (dbtm), a member of the organotin family, is widely employed as a heat stabilizer in the processing of polyvinyl chloride (pvc) resins. its effectiveness in preventing thermal degradation during high-temperature processing, coupled with its good compatibility with pvc and...