The study on preparation and interface of n-HA/poly (amino acid) composite
Gongneng Cailiao/Journal of Functional Materials(2010)
Abstract
The nano-hydroxyapatite(n-HA)/poly (amino acid)(PA) composite was prepared by in-situ polymerization.Dispersity of the n-HA and homogeneity of the composite were tested by scanning electron microscope (SEM) and burning test.FT-infrared spectroscopy (FT-IR),X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) were used to study the interface of the two components.The results show that the size of n-HA particles is about 80-100nm and well disperse in the composite.The composite prepared by this method has good homogeneity.In addition,there are hydrogen bond and new chemical bonds are found at the interface between the n-HA and PA.It indicates that there is a close-knit combination between n-HA and PA.The prepared composite is stable and could be used as potential biomaterials for bone reconstruction.
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Key words
Composite,Interface,n-HA,Poly (amino acid)
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