Preparation and properties of chitosan/clay (nano)composites: a silanol quaternary ammonium intercalated clay
學年 100
學期 2
出版（發表）日期 2012-02-01
作品名稱 Preparation and properties of chitosan/clay (nano)composites: a silanol quaternary ammonium intercalated clay
作品名稱（其他語言）
著者 Chiu, F.-C.; Lai, S.-M.; Hsieh, I.-C.; Don, T.-M.; Huang, C.-Y.
單位 淡江大學化學工程與材料工程學系
出版者 Dordrecht: Springer Netherlands
著錄名稱、卷期、頁數 Journal of Polymer Research 19(2), 9781(11pages)
摘要 Chitosan/clay (nano)composites were prepared by using a special quaternary ammonium intercalating agent coupled with a silanol group to facilitate the organic clay formation. Exfoliated clay in the chitosan matrix was attained at the higher intercalant dosages through X-ray diffraction (XRD) and transmission electron microscope (TEM) analyses. Optical transmittance for the (nano)composites increased slightly with increasing the amount of intercalants in the clays. In light of the hydrophobic component on the intercalant and the effective clay content, the interfacial interaction between chitosan and modified clay may not be strong enough to render higher mechanical properties, even though the partially exfoliated clays were achieved to provide high interfacial area for the dispersed phase and the matrix. An optimum Young’s modulus was thus found for (nano)composites using modified clay at a medium dosage of intercalant, which resulted from the balance of the dispersion status and interfacial interaction. This outcome indicated high dispersion of modified clay may not guarantee high mechanical properties of (nano)composites. The antimicrobial property of chitosan against Escherichia coli (E. coli) increased further with the addition of modified clays, in which the intercalant exhibiting the antimicrobial function. The modified clay at an optimum dosage of modifier to balance the mechanical properties and antimicrobial property was attained.
關鍵字 Chitosan;Montmorillonite;(Nano)composites;Mechanical property ;Antimicrobial property
語言 en
ISSN 1572-8935
期刊性質 國外
收錄於 SCI
產學合作
通訊作者 Lai, S.-M.
審稿制度 是
國別 NLD
公開徵稿
出版型式 ,電子版,紙本
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