Journal
POLYMER DEGRADATION AND STABILITY
Volume 133, Issue -, Pages 399-403Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymdegradstab.2016.09.024
Keywords
PVC; Thermal stabilizer; Zinc-mannitol complexes; Preparation; Characterization
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A series of zinc oxide-mannitol complexes (Zn-Ma complexes) with different zinc contents were prepared, and the composition of Zn-Ma complexes was determined by atomic absorption spectroscopy and elemental analysis. The components of Zn-Ma complexes were separated by Soxhlet extraction and characterized by FT-IR. Dependence of the reaction extent on time at different temperature was investigated in order to optimize the preparation technology. The thermal stability of poly (vinyl chloride) (PVC) with Zn-Ma complexes was investigated by Congo red tests. The results showed that Zn-Ma complexes could significantly improve the thermal stability of PVC. The thermal stabilization mechanism and synergism effect of Zn-Ma complexes were also discussed. (C) 2016 Elsevier Ltd. All rights reserved.
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