Recent advances in liquid chromatography analysis of synthetic polymers

T Chang - Liquid chromatography/FTIR microspectroscopy …, 2003 - Springer
Synthetic polymers are rarely homogeneous chemical species but have multivariate
distributions in molecular weight, chemical composition, chain architecture, functionality, and …

Liquid chromatography under critical and limiting conditions: a survey of experimental systems for synthetic polymers

T Macko, D Hunkeler - Liquid Chromatography/FTIR Microspectroscopy …, 2003 - Springer
At the interface between the entropic size exclusion separation and the enthalpydominated
liquid adsorption chromatography it is possible, experimentally, to identify conditions where …

An" endless" route to cyclic polymers

CW Bielawski, D Benitez, RH Grubbs - Science, 2002 - science.org
A new synthetic route to cyclic polymers has been developed in which the ends of growing
polymer chains remain attached to a metal complex throughout the entire polymerization …

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 …

Melt structure and dynamics of unentangled polyethylene rings: Rouse theory, atomistic molecular dynamics simulation, and comparison with the linear analogues

G Tsolou, N Stratikis, C Baig, PS Stephanou… - …, 2010 - ACS Publications
Atomistic configurations of model unentangled ring polyethylene (PE) melts ranging in chain
length from C24 up to C400 have been subjected to detailed molecular dynamics (MD) …

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 …

Polymer characterization by interaction chromatography

T Chang - Journal of Polymer Science Part B: Polymer Physics, 2005 - Wiley Online Library
Liquid chromatography (LC) is a powerful tool for the characterization of synthetic polymers,
that are inherently heterogeneous in molecular weight, chain architecture, chemical …

Ring‐opening polymerization of lipoic acid and characterization of the polymer

A Kisanuki, Y Kimpara, Y Oikado… - Journal of Polymer …, 2010 - Wiley Online Library
Thermal polymerization of dl‐α‐lipoic acid (LPA) in bulk without any initiator proceeded
easily above the melting point of LPA. The molecular weight polymer determined by GPC …

Glass transition temperature of cyclic polystyrene and the linear counterpart contamination effect

L Gao, J Oh, Y Tu, T Chang, CY Li - Polymer, 2019 - Elsevier
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) …

Characterization of star-shaped poly (l-lactide) s by liquid chromatography at critical conditions

T Biela, A Duda, K Rode, H Pasch - Polymer, 2003 - Elsevier
A series of linear and star-shaped poly (l-lactide) s (PLA's) have been prepared by living
polymerization of l, l-dilactide (LA) and analyzed by liquid chromatography at critical …