In situ WAXS dynamic study of strain induced crystallization kinetics of synthetic and natural rubber

2013 ◽  
pp. 497-502
Keyword(s):  
Natural Rubber ◽  
Crystallization Kinetics ◽  
Dynamic Study ◽  
Strain Induced Crystallization ◽  
Kinetics Of ◽  
Induced Crystallization

scholarly journals STRAIN-INDUCED CRYSTALLIZATION OF NATURAL RUBBER: A REVIEW OF X-RAY DIFFRACTION INVESTIGATIONS

2011 ◽  
Vol 84 (3) ◽  
pp. 425-452 ◽  
Author(s):  
Bertrand Huneau
Keyword(s):  
Natural Rubber ◽  
Mechanical Response ◽  
Strain Curve ◽  
Fatigue Properties ◽  
X Ray Diffraction ◽  
X Ray ◽  
Strain Induced Crystallization ◽  
Temperature Strain ◽  
Kinetics Of ◽  
Induced Crystallization

Abstract Strain-induced crystallization of natural rubber was discovered in 1925 by the means of x-ray diffraction and has been widely investigated by this technique until today. The studies devoted to the structure of the crystalline phase of natural rubber are first reviewed. This structure is strongly anisotropic and can be related to the exceptionally good strength and fatigue properties of this material. The relationships between strain-induced crystallization of natural rubber and its mechanical response, during static or tension-retraction tests, are also reviewed and discussed; in particular, the hysteresis of the stress-strain curve is mainly explained by strain-induced crystallization. The kinetics of crystallization under both static and cyclic deformation is also discussed, as well as the influence of different factors, depending either on material composition (crosslink density, carbon black fillers) or on external parameters (temperature, strain rate…).

Kinetics of strain-induced crystallization in natural rubber: A diffusion-controlled rate law

Polymer ◽  
2015 ◽  
Vol 72 ◽  
pp. 52-58 ◽  
Author(s):  
Karsten Brüning ◽  
Konrad Schneider ◽  
Stephan V. Roth ◽  
Gert Heinrich
Keyword(s):  
Natural Rubber ◽  
Rate Law ◽  
Diffusion Controlled ◽  
Strain Induced Crystallization ◽  
Kinetics Of ◽  
Induced Crystallization

A stroboscopic X-ray apparatus for the study of the kinetics of strain-induced crystallization in natural rubber

Polymer ◽  
2012 ◽  
Vol 53 (15) ◽  
pp. 3313-3324 ◽  
Author(s):  
Pierre-Antoine Albouy ◽  
Gilles Guillier ◽  
Denis Petermann ◽  
Arnaud Vieyres ◽  
Olivier Sanseau ◽  
...  
Keyword(s):  
Natural Rubber ◽  
X Ray ◽  
Strain Induced Crystallization ◽  
Kinetics Of ◽  
Induced Crystallization

Strain-Induced Crystallization of Natural Rubber: Effect of Proteins and Phospholipids

2008 ◽  
Vol 81 (5) ◽  
pp. 753-766 ◽  
Author(s):  
Sureerut Amnuaypornsri ◽  
Jitladda Sakdapipanich ◽  
Shigeyuki Toki ◽  
Benjamin S. Hsiao ◽  
Naoya Ichikawa ◽  
...  
Keyword(s):  
Natural Rubber ◽  
Decomposition Methods ◽  
Uniaxial Deformation ◽  
X Ray Diffraction ◽  
High Mechanical Property ◽  
Naturally Occurring ◽  
Stress Strain Relation ◽  
Strain Induced Crystallization ◽  
Induced Crystallization

Abstract The effects of proteins and phospholipids in natural rubber (NR) on the strain-induced crystallization behavior during uniaxial deformation were studied by in-situ synchrotron wide-angle X-ray diffraction (WAXD) technique and simultaneous measurements of stress-strain relation. The influences of proteins and phospholipids in NR were evaluated separately by decomposition methods using deproteinization and lipase treatment, respectively. It was found that both components form a naturally occurring network, which is responsible for the strain-induced crystallizability of unvulcanized NR and the corresponding high mechanical property. This network also plays a significant role in strain-induced crystallization of vulcanized natural rubber.

A comparison of the abilities of natural rubber (NR) and synthetic polyisoprene cis-1,4 rubber (IR) to crystallize under strain at high strain rates

2016 ◽  
Vol 18 (5) ◽  
pp. 3472-3481 ◽  
Author(s):  
Nicolas Candau ◽  
Laurent Chazeau ◽  
Jean-Marc Chenal ◽  
Catherine Gauthier ◽  
Etienne Munch
Keyword(s):  
Comparative Study ◽  
Natural Rubber ◽  
High Strain ◽  
Strain Rates ◽  
High Strain Rates ◽  
Synthetic Rubber ◽  
Strain Induced Crystallization ◽  
First Time ◽  
Induced Crystallization

In situ WAXS experiments combined with a thermodynamic approach allowed for the first time a comparative study of strain induced crystallization of natural and synthetic rubber at high strain rates.

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