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2015 | 20 | 177-182
Article title

SURFACE PROPERTIES OF CHITOSAN COMPOSITES WITH POLY(VINYL ALCOHOL) AND HYDROXYAPATITE

Content
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Languages of publication
EN
Abstracts
EN
Surface properties of composites containing chitosan (Ch), poly(vinyl alcohol) (PVA) with hydroxyapatite (HAP) were investigated by contact angle measurements and atomic force microscopy (AFM). Thin films of Ch/HAP and Ch/PVA/HAP composites have been formed by casting methods from acetic acid solutions. Measurements of the contact angle for diiodomethane (D), and glycerol (G) on the surface of chitosan films, Ch/HAP and chitosan/PVA/HAP films were made and surface free energy was calculated. It was found that chitosan/HAP or Ch/PVA/HAP blend surface is enriched in high surface energy component i.e. chitosan. The study of composites by AFM showed a completely different morphology when compared with unmodified components. The roughness of composites increase after the addition of hydroxyapatite. This may indicates a strong interaction between the polymeric components and inorganic additive.
Publisher

Year
Volume
20
Pages
177-182
Physical description
Contributors
  • Faculty of Chemistry, Nicolaus Copernicus University in Torun , ul. Gagarina 7, 87-100 Toruń Poland, reol@chem.umk.pl
References
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Document Type
article
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YADDA identifier
bwmeta1.element.psjd-f6caf6cc-ea60-4f5a-8f09-0da52fc55520
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