T. Sakaue et al 2005 Europhys. Lett. 72 83 doi:10.1209/epl/i2005-10190-3
T. Sakaue1, E. Raphaël1, P.-G. de Gennes2 and F. Brochard-Wyart2
Show affiliationsFlexible chains (linear or branched) can be forced to enter into a narrow capillary by using a hydrodynamic flow. Here, we correct our earlier description of this problem by considering the progressive nature of the suction process. We find that the critical current for penetration, Jc, is controlled by the entry of a single blob of the capillary size, and that its scaling structure is the same for branched and linear chains.
61.25.H- Macromolecular and polymers solutions; polymer melts
Issue 1 (October 2005)
Received 22 April 2005, accepted for publication 22 July 2005, in final form 22 July 2005
Published 26 August 2005
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