Tube Dilation in Isofrictional Polymer Blends Based on Polyisoprene with Different Topologies: Combination of Dielectric and Rheological Spectroscopy, Pulsed-Field-Gradient NMR, and Neutron Spin Echo (NSE) Techniques
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DOI: 10.1021/acs.macromol.0c00045
Abstract: We address the dynamics of isofrictional bimodal polyisoprene (PI) blends and emphasize the effect of concentration and topology of the short component on the dynamics of the long-chain component. ... read more here.
Keywords: isofrictional polymer; dilation isofrictional; tube dilation; blends based ... See more keywords
Controlling Healing and Toughness in Polyurethanes by Branch-Mediated Tube Dilation
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DOI: 10.1021/acs.macromol.9b01554
Abstract: In this work, we propose the use of regular branching of polyurethanes as a way to regulate chain dynamics and govern crystallization in highly dense hydrogen-bonded systems. As a result, robust and healable polyurethanes can… read more here.
Keywords: healing; healing toughness; controlling healing; tube dilation ... See more keywords