Tricritical phenomena in bimodal polymer solutions: three-phase coexistence curves for the system polystyrene (1) + polystyrene (2) + methylcyclohexane

1990 ◽  
Vol 94 (20) ◽  
pp. 7943-7949 ◽  
Author(s):  
Weiguo. Shen ◽  
Gareth R. Smith ◽  
Charles M. Knobler ◽  
Robert L. Scott
Keyword(s):  
Polymer Solutions ◽  
Phase Coexistence ◽  
Three Phase

Phase diagrams calculated for flowing polymer solutions: spinodal and three phase conditions

1998 ◽  
Vol 40 (2-3) ◽  
pp. 353-360 ◽  
Author(s):  
Roland Horst ◽  
B. A. Wolf
Keyword(s):  
Phase Diagrams ◽  
Polymer Solutions ◽  
Three Phase

scholarly journals Dendritic Pattern Formation and Contact Line Forces during Dewetting of Dilute Polymer Solutions on a Hydrophobic Surface

2022 ◽  
Vol 6 (1) ◽  
pp. 5
Author(s):  
Volfango Bertola
Keyword(s):  
Contact Line ◽  
Polyethylene Oxide ◽  
Polymer Solutions ◽  
Hydrophobic Surface ◽  
Breakup Mechanism ◽  
Dilute Polymer Solutions ◽  
Three Phase ◽  
String Structure ◽  
Receding Contact ◽  
Quantitative Explanation

The micro-scale morphology of the receding contact line of dilute polyethylene oxide solution drops (c ∼ 100 ppm) after impact and inertial spreading on a fluorinated hydrophobic surface is investigated. One can observe the formation of transient liquid filaments and dendritic structures that evolve into a bead-on-a-string structure similar to the well-known capillary breakup mechanism of dilute polymer solutions, which confirm the interaction between stetched polymer coils and the receding three-phase contact line. The estimation of the average polymer force per unit contact line lenght provides a quantitative explanation for the reduction of the contact line retraction velocity reduction observed experimentally.

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