This paper reports the gram-scale synthesis of dendritic polymers, mega hyperbranched polyglycerols (mega HPGs), in million daltons. Mega HPGs are highly water-soluble, soft, nanometer-scale single polymer particles that act as single molecule ball bearings, reducing friction between hard and soft surfaces in a size-dependent manner. This lubrication is attributed to their globular nature and exceptional hydration. The findings open new avenues in mega-polymer design and application.
Publisher
Nature Communications
Published On
May 01, 2020
Authors
Parambath Anilkumar, Taylor B. Lawson, Srinivas Abbina, Janne T. A. Mäkelä, Robert C. Sabatelle, Lily E. Takeuchi, Brian D. Snyder, Mark W. Grinstaff, Jayachandran N. Kizhakkedathu
Tags
dendritic polymers
mega hyperbranched polyglycerols
lubrication
nanoparticles
polymer design
water-soluble
friction reduction
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