Cyclic polymers: Advances in their synthesis, properties, and biomedical applications
R Liénard, J De Winter… - Journal of Polymer …, 2020 - Wiley Online Library
Since the time first synthetic macrocycles were observed as academic curiosities, great
advances have been made. Thanks to the development of controlled polymerization …
advances have been made. Thanks to the development of controlled polymerization …
Recyclable cyclic bio-based acrylic polymer via pairwise monomer enchainment by a trifunctional Lewis pair
Y Song, J He, Y Zhang, RA Gilsdorf, EYX Chen - Nature Chemistry, 2023 - nature.com
The existing catalyst/initiator systems and methodologies used for the synthesis of polymers
can access only a few cyclic polymers composed entirely of a single monomer type, and the …
can access only a few cyclic polymers composed entirely of a single monomer type, and the …
Nonlinear shear rheology of entangled polymer rings
Steady-state shear viscosity η (γ̇) of unconcatenated ring polymer melts as a function of the
shear rate γ̇ is studied by a combination of experiments, simulations, and theory …
shear rate γ̇ is studied by a combination of experiments, simulations, and theory …
Proton-triggered topological transformation in superbase-mediated selective polymerization enables access to ultrahigh-molar-mass cyclic polymers
The selective synthesis of ultrahigh-molar-mass (UHMM,> 2 million Da) cyclic polymers is
challenging as an exceptional degree of spatiotemporal control is required to overcome the …
challenging as an exceptional degree of spatiotemporal control is required to overcome the …
Topology Matters: Conformation and Microscopic Dynamics of Ring Polymers
M Kruteva, J Allgaier, D Richter - Macromolecules, 2023 - ACS Publications
Ring polymers have fascinated theorists, simulators, and experimentalists as they are the
simplest polymer without ends, giving rise to important topology related properties. We …
simplest polymer without ends, giving rise to important topology related properties. We …
Stress relaxation in symmetric ring-linear polymer blends at low ring fractions
We combine linear viscoelastic measurements and modeling in order to explore the
dynamics of blends of the same-molecular-weight ring and linear polymers in the regime of …
dynamics of blends of the same-molecular-weight ring and linear polymers in the regime of …
Threading–unthreading transition of linear-ring polymer blends in extensional flow
A Borger, W Wang, TC O'Connor, T Ge… - ACS Macro …, 2020 - ACS Publications
Adding small amounts of ring polymers to a matrix of their linear counterparts is known to
increase the zero-shear-rate viscosity because of linear-ring threading. Uniaxial extensional …
increase the zero-shear-rate viscosity because of linear-ring threading. Uniaxial extensional …
Intrinsic viscosity of cyclic polystyrene
Y Jeong, Y Jin, T Chang, F Uhlik, J Roovers - Macromolecules, 2017 - ACS Publications
The intrinsic viscosity of cyclic polystyrenes (C-PS) and linear polystyrenes (L-PS) with
molecular weight (MW) ranging from 16K to 370K was measured in THF using size …
molecular weight (MW) ranging from 16K to 370K was measured in THF using size …
Nonlinear rheometry of entangled polymeric rings and ring-linear blends
We present a comprehensive experimental rheological dataset for purified entangled ring
polystyrenes and their blends with linear chains in nonlinear shear and elongation. In …
polystyrenes and their blends with linear chains in nonlinear shear and elongation. In …
Glass transition temperature of cyclic polystyrene and the linear counterpart contamination effect
We present here a systematic investigation on the glass transition temperature (T g) for a
series of highly purified cyclic polystyrene (c-PS) samples with molecular weight (MW) …
series of highly purified cyclic polystyrene (c-PS) samples with molecular weight (MW) …