2010•Journal of Qingdao University of Science and TechnologyRequires access

Thermal Stability of the Organic Heat Stabilizer with Ca/Zn in Rigid PVC

Changqing Cao

Abstract

Thermal stability of the organic heat stabilizer with Ca/Zn in PVC was investigated by means of thermogravimetry,and the synergistic effect of different auxiliary heat stabilizers were studied.The results showed that the organic heat stabilizer with Ca/Zn was more effective than the stabilizers with low Pb and Ca/Zn stearate for color changing time of PVC.The synergistic effect of β-diketone was the best and thermal stability of heat stabilizer in PVC with oxygen present was almost the same as that with nitrogen present.

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Key concepts: Stabilizer (aeronautics), Thermal stability, Thermogravimetry, Heat stability, Chemistry, Thermal, Stearate, Inorganic chemistry