Crab Shell Chitin Whisker Reinforced Natural Rubber Nanocomposites. 2. Mechanical Behavior
| Autor: | Kalaprasad Gopalan Nair, Alain Dufresne |
|---|---|
| Přispěvatelé: | Centre de Recherches sur les Macromolécules Végétales (CERMAV), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF) |
| Rok vydání: | 2003 |
| Předmět: |
Materials science
Polymers and Plastics Brachyura Whiskers Chitin Bioengineering 02 engineering and technology 010402 general chemistry 01 natural sciences Biomaterials chemistry.chemical_compound Natural rubber Whisker Tensile Strength Polymer chemistry Ultimate tensile strength Materials Chemistry medicine Animals Nanotechnology Composite material ComputingMilieux_MISCELLANEOUS Tensile testing Nanocomposite Temperature 021001 nanoscience & nanotechnology 0104 chemical sciences chemistry visual_art visual_art.visual_art_medium Rubber Stress Mechanical Swelling medicine.symptom 0210 nano-technology |
| Zdroj: | Biomacromolecules Biomacromolecules, American Chemical Society, 2003, pp.666-674 |
| ISSN: | 1526-4602 1525-7797 |
| Popis: | In a previous work (part 1), nanocomposite materials were obtained using a latex of either unvulcanized or prevulcanized natural rubber as the matrix and a colloidal suspension of crab chitin whiskers as the reinforcing phase. The mechanical behavior of the resulting nanocomposite films was analyzed in both the linear and the nonlinear range in the present study. The effects of the filler and processing technique were evaluated, and the results are discussed based on the knowledge of the structural morphology and swelling behavior reported in our previous work. The reinforcing effect of chitin whiskers strongly depended on their ability to form a rigid three-dimensional network, resulting from strong interactions such as hydrogen bonds between the whiskers. The results emanating from the successive tensile test experiments give clear evidence for the presence of a three-dimensional chitin network within the evaporated samples. Cross-linking of the matrix was found to interfere with the formation of this network. |
| Databáze: | OpenAIRE |
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