The block copolymer shuffle in size exclusion chromatography: the intrinsic problem with using elugrams to determine chain extension success

K Philipps, T Junkers, JJ Michels - Polymer Chemistry, 2021 - pubs.rsc.org
Size exclusion chromatography (SEC) based on direct homopolymer calibration is the
preferred method for molecular weight determination in macromolecular synthesis …

Synthesis and characterization of 4-arm star-shaped amphiphilic block copolymers consisting of poly (ethylene oxide) and poly (ε-caprolactone)

AM Bhayo, R Abdul-Karim, SG Musharraf, MI Malik - RSC advances, 2018 - pubs.rsc.org
Star-shaped polymers exhibit lower hydrodynamic volume, glass transition temperature,
critical micelles concentration (CMC), and higher viscosity and drug-loading capacity …

Comprehensive two-dimensional liquid chromatographic analysis of poloxamers

MI Malik, S Lee, T Chang - Journal of Chromatography A, 2016 - Elsevier
Poloxamers are low molar mass triblock copolymers of poly (ethylene oxide)(PEO) and poly
(propylene oxide)(PPO), having number of applications as non-ionic surfactants …

Basic principles of size exclusion and liquid interaction chromatography of polymers

MI Malik, H Pasch - Molecular Characterization of polymers, 2021 - Elsevier
The chapter covers theoretical background and basic concept of chromatography of
polymers encompassing size exclusion and liquid interaction chromatography …

Critical parameters of liquid chromatography at critical conditions in context of poloxamers: pore diameter, mobile phase composition, temperature and gradients

MI Malik - Journal of Chromatography A, 2020 - Elsevier
At the borderline between size exclusion chromatography (SEC) and interaction
chromatography (IC) there is a special mobile phase composition and temperature at which …

Liquid chromatography at critical conditions in polymer analysis: a perspective

MI Malik - Chromatographia, 2021 - Springer
Liquid chromatography at critical conditions is one of the major chromatographic techniques
for characterization of complex polymers beyond mere total molar mass. In this perspective …

Characterization of Polystyrene-block-Poly(2-vinyl pyridine) Copolymers and Blends of Their Homopolymers by Liquid Chromatography at Critical Conditions

R Khatoon, S Rahim, R Abdul-Karim… - …, 2019 - ACS Publications
Amphiphilic block copolymers containing poly (2-vinyl pyridine)(P2VP) as a hydrophilic part
and polystyrene (PS) as a hydrophobic segment have a number of applications in modern …

Analysis of individual block length of amphiphilic di-& tri-block copolymers containing poly (ethylene oxide) and poly (methyl methacrylate)

MK Tufail, R Abdul-Karim, S Rahim, SG Musharraf… - RSC Advances, 2017 - pubs.rsc.org
In this study, di-and tri-block copolymers composed of PEO and PMMA are synthesized and
comprehensively characterized. Block copolymers are synthesized by ATRP of MMA using …

Influence of microstructure on the elution behavior of gradient copolymers in different modes of liquid interaction chromatography

B Zdovc, H Li, J Zhao, D Pahovnik… - Analytical …, 2022 - ACS Publications
We studied the influence of microstructure on the chromatographic behavior of gradient
copolymers with different gradient strengths and block copolymer with completely …

Chromatographic characterization of amphiphilic di‐and tri‐block copolymers of poly (ethylene oxide) and poly (ε‐caprolactone)

M Irfan, AM Bhayo, SG Musharraf… - Journal of Separation …, 2018 - Wiley Online Library
Amphiphilic di‐and tri‐block copolymers based on poly (ethylene oxide) as a hydrophilic
segment and poly (ε‐caprolactone) as a hydrophobic part are synthesized by the ring …