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Wang, De-Yi ; Leuteritz, A. ; Boldt, R. ; Häußler, L. ; Wagenknecht, U. ; Heinrich, G.
Thermal degradation behaviors of nanocomposite based on Polypropylene and Co-Al layered double hydroxide

The thermal degradation behaviors of a novel nanocomposite based on polypropylene and organic Co/Al layered double hydroxide (PP/CoAl-LDH) were studied via thermogravimetric analysis (TGA) in the present work. The thermal degradation activation energies of the PP/CoAl-LDH nanocomposite were determined via Friedman and Flynn–Wall–Ozawa methods, and were compared with those of neat PP. The relationship between the organic CoAl-LDH concentration and the activation energies in PP/CoAl-LDH nanocomposite also has been investigated. An internal reason and an outer reason leading to high fire retardancy of PP/CoAl-LDH nanocomposite were proposed. The presence of CoAl-LDH tended to increase significantly the decomposition activation energy of nanocomposite at full-scale temperature and had an important influence on both of internal and outer reasons.

Quelle
Polymer Degradation and Stability 95

Seiten
285-290

DOI
http://dx.doi.org/10.1016/j.polymdegradstab.2010.03.003

Erschienen am
April 2010
 
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