Neutron-mapping polymer flow: scattering, flow visualization, and molecular theory. Wolff, M. Shear dynamics: Use of neutron techniques to understand boundary slip and anomalies in the structural and dynamical properties of liquids under flow.
Garcia S. Alba-Simionesco ed. Ewen, B. Neutron spin echo investigations on the segmental dynamics of polymers in melts, networks and solutions. Richter, D. Schleger, P. Zamponi, M. Wischnewski, A. Bellas, V. Controlled anionic polymerization of hexamethylcyclotrisiloxane - model linear and miktoarm star co- and teropolymers of dimethylsiloxane with styrene and isoprene.
Morton, M. Anionic polymerization of vinyl monomers. Rubber Chem. Hadjichristidis, N. Anionic polymerization: high vacuum techniques. Part A: Polym. Uhrig, D. Experimental techniques in high-vacuum anionic polymerization. Mark, E. Liesche, G. Flow behaviour of polymer melts and solutions at the solid-liquid interface.
Shih, H. Equation-of-state parameters for poly dimethylsiloxane. Microscopic theory for the fast flow of polymer melts.
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Milner, S. Microscopic theory of convective constraint release. Kawecki, M. Probing the dynamics of high-viscosity entangled polymers under shear using neutron spin echo spectroscopy.
Towards in situ studies of polymer dynamics and entanglement under shear through Neutron Spin Echo spectroscopy. Download references. The authors acknowledge financial support from the Swedish research council under contract number: as well as STINT contract No. The authors thank Airidas Korolkovas for fruitful discussions.go
Ring Polymers: Threadings, Knot Electrophoresis and Topological Glasses
All authors reviewed the manuscript. Correspondence to Max Wolff. Reprints and Permissions. By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate. Advanced search. Skip to main content. Subjects Characterization and analytical techniques Condensed-matter physics. Abstract We present in-situ neutron spin echo measurements on an entangled polydimethylsiloxane melt under shear and demonstrate the ability to monitor nano-scale dynamics in flowing liquids.
Introduction The unique flow properties of non-Newtonian materials result from relaxation processes occurring on time scales relevant for our daily lives and relate to the temporal evolution of topological interactions.
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Results The PDMS was synthesised by anionic ring-opening polymerization of D3, following the specific methods described by Bellas, Iatrou, and Hadjichristidis 32 , 33 , 34 , Figure 1. Full size image. Colin Cameron,, Allan H. Fawcett,, Cecil R. Hetherington,, Richard A. Mee, and, Frederick V.
Macromolecules , 33 17 , Atsushi Kikuchi and, Takuhei Nose. Macromolecules , 29 21 , Guido Raos and, Giuseppe Allegra. Macromolecules , 29 20 , Pair your accounts. Your Mendeley pairing has expired.
Topological Interactions in Ring Polymers | Davide Michieletto | Springer
Abstract We have performed molecular dynamics MD simulations of melt systems consisting of a small number of long ring poly ethylene oxide PEO probes immersed in a host matrix of linear PEO chains and have studied their microscopic dynamics and topology as a function of the molecular length of the host linear chains.
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