In Situ Measure of Interfacial Tensions in Ternary and Quaternary Immiscible Polymer Blends Demonstrating Partial Wetting

2009 ◽  
Vol 42 (19) ◽  
pp. 7518-7529 ◽  
Author(s):  
Nick Virgilio ◽  
Patrick Desjardins ◽  
Gilles L’Espérance ◽  
Basil D. Favis
Keyword(s):  
Polymer Blends ◽  
Immiscible Polymer Blends ◽  
Interfacial Tensions ◽  
Partial Wetting ◽  
Immiscible Polymer

Fiber Reinforced Multiphase Polymer Composites by In situ Fiber Alignment

2007 ◽  
Vol 1054 ◽  
Author(s):  
Wantinee Viratyaporn ◽  
Nancy Twu ◽  
Richard Lehman
Keyword(s):  
Polymer Blends ◽  
Glass Fibers ◽  
Model System ◽  
Immiscible Polymer Blends ◽  
Immiscible Polymer ◽  
Novel Approach ◽  
Micron Size ◽  
The Matrix ◽  
Alignment Mechanism

ABSTRACTA novel approach has been explored for the efficient dispersion and uniaxial alignment of fibers in dual phase polymer matrices based on the streaming flow that occurs when two immiscible polymer blends are melt processed under high shear conditions. Such conditions improve the alignment and distribution of fibers in the matrix, a feature of particular importance when fine nanofibers are used. This self-alignment mechanism seeks to produce optimum properties from relatively small volume fractions of fiber. Recent efforts have focused on a model system containing micron-size glass fibers in immiscible polymer blends. This paper presents selected mechanical properties measured for the model system and the flow/orientation paradigm that produces the observed morphologies.

Modified interfacial tensions measured in situ in ternary polymer blends demonstrating partial wetting

Polymer ◽  
2010 ◽  
Vol 51 (6) ◽  
pp. 1472-1484 ◽  
Author(s):  
Nick Virgilio ◽  
Patrick Desjardins ◽  
Gilles L'Espérance ◽  
Basil D. Favis
Keyword(s):  
Polymer Blends ◽  
Interfacial Tensions ◽  
Partial Wetting ◽  
Ternary Polymer
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