Page 183 - Handbook of Properties of Textile and Technical Fibres
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160                             Handbook of Properties of Textile and Technical Fibres


                  (a)          ⊥            (c)        ⊥


                      64
                                                     3013
                                 230
                                   257


                      72                        2936
                               //                      //

                                                   2984
                                                             3285
                    Raman intensity  100  253  300  3000     3300
                           147
                                                               3325
                                                      3064


                               ⊥
                      (b)
                              1085       Amide III
                                            1401
                                                     Amide I
                           1002
                                              1448
                                                     1615

                                                       1665
                              //
                               β
                              °CC
                          ρ CH 3               444
                            1003  °CC                      β
                                           1405    O 2

         Figure 5.12 Peak fitting of the Raman signature of Bombyx mori degummed single fiber at 0%
         strain for parallel and perpendicular polarizations. Note the narrow peaks due to neon lamp
         used as very accurate internal reference wave number: (a) low wave number modes involving
                                                                          1
         the motion of ordered (narrow w145 cm  1  peak, see Fig. 5.5; (b) CeH(w2930e3070 cm ),
                                      1
                      1
         NeH (3285 cm ), and H 2 O (3325 cm ) stretching modes; and (c) Amide I and Amide III
         mode region.
         After Colomban P, Dinh HM, Riand J, Prinsloo LC, Mauchamp B: Nanomechanics of single
         silkworm and spider fibres: a Raman and micromechanical in situ study of the conformation
         change with stress, J Raman Spectrosc 39:1749e1764, 2008a and Colomban P, Moukit SE,
         Dinh HM, Hassine M, Riand J, Mauchamp B: Micro- & nano-mécanique des fibres naturelles
         (animales), Revue des Matériaux Compos Avancés 18:163e168, 2008b.
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