Download Biopolymer Nanocomposites: Processing, Properties, and by Alain Dufresne, Sabu Thomas, Laly A. Pothan, Richard F PDF

By Alain Dufresne, Sabu Thomas, Laly A. Pothan, Richard F Grossman, Domasius Nwabunma

Sets forth the ideas had to create an enormous array of important biopolymer nanocomposites

Interest in biopolymer nanocomposites is hovering. not just are they eco-friendly and sustainable fabrics, they could even be used to increase a extensive variety of precious items with targeted homes, from therapeutics to coatings to packaging fabrics. With contributions from a world workforce of top nanoscientists and fabrics researchers, this booklet attracts jointly and reports the latest advancements and methods in biopolymer nano-composites. It describes the education, processing, houses, and purposes of bio- polymer nanocomposites built from chitin, starch, and cellulose, 3 renewable resources.

Biopolymer Nanocomposites encompasses a logical association and method that make it effortless for readers to take complete good thing about the most recent technological know-how and know-how in designing those fabrics and constructing new items and purposes. It starts off with a bankruptcy reviewing our present realizing of bionanocomposites. subsequent, the publication covers such themes as:

  • Morphological and thermal investigations of chitin-based nanocomposites
  • Applications of starch nanoparticle and starch-based bionanocomposites
  • Spectroscopic characterization of renewable nanoparticles and their composites
  • Nanocellulosic items and their applications
  • Protein-based nanocomposites for nutrition packaging

Throughout the e-book, specific case experiences of commercial functions underscore the original demanding situations and possibilities in constructing and dealing with biopolymer nanocomposites. There also are lots of figures to assist readers comprehend key recommendations and techniques.

Exploring the complete variety of functions, Biopolymer Nanocomposites is usually recommended for researchers in a large variety of industries and disciplines, together with biomedical engineering, fabrics technology, actual chemistry, chemical engineering, and polymer technological know-how. All readers will tips on how to create eco-friendly, sustainable items and purposes utilizing those enormously flexible fabrics

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Extra info for Biopolymer Nanocomposites: Processing, Properties, and Applications

Sample text

96 in a reaction time of 50 minutes. This is the highest degree of substitution of acetyl groups in CNFs. The high reaction rate was due to the very high surface area of fibers. FT-IR spectra (Fig. 96 were recorded. 96. Acetylation of Chitin Nanofibers 27 acetyl groups increased, two major bands at 1231 and 1748/cm increased, corresponding to the Cā€“O and C=O stretching vibration modes of the acetyl group. 96, indicating that a complete substitution of acetyl groups in the CNFs had occurred. 14.

In acidic conditions, calibrated addition of acetic acid cationized amino groups of chitin and broke the strong intermolecular hydrogen bonding due to development of charge followed by electrostatic repulsion. The method of preparation of NFs from dry chitin powder has advantage for commercial production, and raw dry chitin is easy to store, transport, and supply. Using dry chitin powder, we have successfully prepared stable and homogeneous CNFs with a high surface-tovolume ratio. CNFs were prepared from a variety of prawn shells without addition of any acid.

1998) Preparation of crustacean chitin. In: Methods in enzymology, Vol. 161, eds. A. T. Kellogg. Academia Press, pp. 417ā€“423. L. (1962) Alkaline degradation of amino sugars. J. Org. , 27, 1161ā€“1164. [13] Yano, I. (1972) A historical study on the exocuticle with respect to its calcification and associated epidermal cells in a shore crab. Bull. Jpn. Soc. Sci. , 38, 733ā€“739. [14] Yano, I. (1975) An electron microscope study on the calcification of the exoskeleton in a shore crab. Bull. Jpn. Soc. Sci.

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