Chemical Clusters in Polyurethane Networks. SAXS, Photoelastic and Dynamic Mechanical Behavior of Networks from Poly(Oxypropylene)Diol, Diisocyanate, and Trimethylolpropane Prepared One‐Stage and Two‐Stage Process

2005 ◽  
Vol 44 (6) ◽  
pp. 909-923 ◽  
Author(s):  
M. Ilavský ◽  
Z. Sedláková ◽  
J. Pleštil ◽  
H. Valentová ◽  
J. Nedbal
Author(s):  
Arun Prasath Kanagaraj ◽  
Amuthakkannan Pandian ◽  
Veerasimman Arumugaprabu ◽  
Rajendran Deepak Joel Johnson ◽  
Vigneswaran Shanmugam ◽  
...  

1991 ◽  
Vol 42 (6) ◽  
pp. 1647-1657 ◽  
Author(s):  
J. L. Gómez Ribelles ◽  
J. Mañó Sebastià ◽  
R. Martí Soler ◽  
M. Monleón Pradas ◽  
A. Ribes Greus ◽  
...  

2011 ◽  
Vol 28 (1) ◽  
pp. 201-210 ◽  
Author(s):  
Yun-Liang Li ◽  
Ming-Yu Lu ◽  
Hui-Feng Tan ◽  
Yi-Qiu Tan

1963 ◽  
Vol 36 (2) ◽  
pp. 407-421 ◽  
Author(s):  
Glenn E. Warnaka

Abstract Many common elastomeric materials have two ranges of dynamic-mechanical behavior. Such materials behave as viscoelastomers at very small strains and as plastoelastomers at strains of practical engineering interest. The change from viscoelastic to plastoelastic behavior occurs at dynamic strain amplitudes of 0.001 inches per inch to 0.005 inches per inch. In the plastoelastic range, the dynamic elastic modulus decreases with increasing dynamic strain amplitude. Loss factor reaches a maximum in the plastoelastic range.


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