کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10597174 | 981955 | 2013 | 37 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ternary PVA nanocomposites containing cellulose nanocrystals from different sources and silver particles: Part II
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Ternary PVA nanocomposites containing cellulose nanocrystals from different sources and silver particles: Part II Ternary PVA nanocomposites containing cellulose nanocrystals from different sources and silver particles: Part II](/preview/png/10597174.png)
چکیده انگلیسی
Cellulose nanocrystals (CNC) extracted from three different sources, namely flax, phormium, and commercial microcrystalline cellulose (MCC) have been used in a polyvinyl alcohol (PVA) matrix to produce anti-bacterial films using two different amounts of silver nanoparticles (0.1Â wt% and 0.5Â wt%). In general, CNC confer an effect of reinforcement to PVA film, the best values of stiffness being offered by composites produced using phormium fibres, whilst for strength those produced using flax are slightly superior. This was obtained without inducing any particular modification in transition temperatures and in the thermal degradation patterns. As regards antibacterial properties, systems with CNC from flax proved slightly better than those with CNC from phormium and substantially better than those including commercial MCC. Dynamic mechanical thermal analysis (DMTA) has only been performed on the ternary composite containing 0.1Â wt% Ag, which yielded higher values of Young's modulus, and as a whole confirmed the above results.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbohydrate Polymers - Volume 97, Issue 2, 12 September 2013, Pages 837-848
Journal: Carbohydrate Polymers - Volume 97, Issue 2, 12 September 2013, Pages 837-848
نویسندگان
E. Fortunati, F. Luzi, D. Puglia, A. Terenzi, M. Vercellino, L. Visai, C. Santulli, L. Torre, J.M. Kenny,