Interfacial structure and chemistry in a ceramic/polymer composite material
Source abstract
Abstract
The microstructure and microchemistry of ceramic/polymer interfaces in a calcium aluminate/polyvinyl alcohol composite material have been studied using transmission electron microscopy (TEM), high resolution electron microscopy (HREM), x-ray photoelectron spectroscopy (XPS), and energy dispersive spectroscopy (EDS). Interfaces consisted of an amorphous interphase layer, inside of which were dispersed metastably retained CaAl2O5 · 8H2O crystallites. The amorphous phase was a mixture of the hydration products of calcium aluminate and aluminum–crosslinked, polyvinyl alcohol. The crystalline hydration product CaAl2O5 · 8H2O was metastably retained due to polymer poisoning of nucleation sites and significant reduction of conversion kinetics.
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Research context
OpenAlex topics: Advanced ceramic materials synthesis · Recycling and Waste Management Techniques · Concrete and Cement Materials Research
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References (36)
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