Synthesis, Characterization, and Purification of Cyclic Polystyrene, Poly (ε-Caprolactone), and Various Polyethers

FM Haque - 2020 - search.proquest.com
… shortcomings within the cyclic polymer field are addressed by a detailed analysis of … (ie
polymerization and “clickscavenging purification). Finally, the origin of the impurities was further …

Macrocyclic polymers: Synthesis, purification, properties and applications

J Ochs, CA Pagnacco, F Barroso-Bujans - Progress in Polymer Science, 2022 - Elsevier
… approach, eliminating a large source of impurities. Before the coupling reaction, the two …
Cyclic poly(ethylene oxide) and cyclic polystyrene were synthesized from alkyne-terminated …

Zwitterionic ring expansion polymerization of tert‐butyl glycidyl ether with B(C6F5)3 towards the generation of cyclic chains

CA Pagnacco, X Gastearena… - Journal of Polymer …, 2024 - Wiley Online Library
… By using a click scavenging protocol, the non-cyclic … the hydroxyl groups of non-cyclic impurities
with progargyl bromide, … chain composition, but quantification of cyclic species cannot be …

Separation, identification, and confirmation of cyclic and tadpole macromolecules via UPLC-MS/MS

JM O'Neill, J Mao, FM Haque, F Barroso-Bujans… - Analyst, 2022 - pubs.rsc.org
quantitation of non-cyclic impurities. By targeting differences in polarity caused by polar
end groups present in non-cyclic … The macromolecular system investigated was poly(glycidyl

Reactivity of B (C6F5) 3 towards glycidol: The formation of branched cyclic polyglycidol structures

MA Al Assiri, EG Urreizti, CA Pagnacco… - European Polymer …, 2022 - Elsevier
… non-cyclic impurities by using click scavenging techniques [12]. … is not accurate for quantitative
analysis due to differences in … by acidic cleavage of poly(ethoxyethyl glycidyl ether) [31], …

The synthesis, properties and potential applications of cyclic polymers

FM Haque, SM Grayson - Nature Chemistry, 2020 - nature.com
… of cyclic impurities, though trace quantities of cyclic dimer … impurities and allows for their
quantification. Specifically, in … ‘clickscavenging purification of cyclic poly(glycidyl phenyl ether)s …

Understanding zwitterionic ring‐expansion polymerization through mass spectrometry

M Ahmad, SM Grayson - Mass Spectrometry Reviews, 2024 - Wiley Online Library
… and how mass spectrometric analysis can determine this … of these impurities can be removed
by the “click scavenging” … glycidyl ether linkage (ETD, ECH, SO), fewer impurities were …

Cyclic polymers: Advances in their synthesis, properties, and biomedical applications

R Liénard, J De Winter… - Journal of Polymer …, 2020 - Wiley Online Library
… for the “click-scavenging” of the noncyclic impurities. After … just like in a regular MS analysis,
before being separated in … greatly facilitates the identification of cyclic structures since, as …

Synthesis and characterization of cyclic polysthers with controlled orientation of the dipolar moment along the chain contour

J Ochs - 2020 - digital.csic.es
… -VIS detectors is particularly suited for the analysis of cyclic … a series of regio-irregular
poly(glycidyl phenyl ether) (PGPE) … by “clickscavenging of topological impurities (tadpoles and …

In Vitro Biocompatibility and Endothelial Permeability of Branched Polyglycidols Generated by Ring-Opening Polymerization of Glycidol with B(C6F5)3 under Dry …

CA Pagnacco, MH Kravicz, FS Sica… - …, 2024 - ACS Publications
… could be considered topological impurities. Therefore, further … employed a form factor
analysis described in the experimental … simulations of cyclic and linear poly(vinyl alcohol)-graft-poly(…