Chemically recyclable polymers: a circular economy approach to sustainability

M Hong, EYX Chen - Green Chemistry, 2017 - pubs.rsc.org
The current practices in the generation and disposal of synthetic polymers are largely
unsustainable. As part of the solution, the development of biodegradable polymers, which …

Stereoelectronic power of oxygen in control of chemical reactivity: the anomeric effect is not alone

IV Alabugin, L Kuhn, MG Medvedev… - Chemical Society …, 2021 - pubs.rsc.org
Although carbon is the central element of organic chemistry, oxygen is the central element of
stereoelectronic control in organic chemistry. Generally, a molecule with a C–O bond has …

Completely recyclable biopolymers with linear and cyclic topologies via ring-opening polymerization of γ-butyrolactone

M Hong, EYX Chen - Nature Chemistry, 2016 - nature.com
Ring-opening polymerization (ROP) is a powerful synthetic methodology for the chemical
synthesis of technologically important biodegradable aliphatic polyesters from cyclic esters …

Aliphatic polyester block polymer design

DK Schneiderman, MA Hillmyer - Macromolecules, 2016 - ACS Publications
Aliphatic polyester block polymers constitute a highly useful and amazingly versatile class of
self-assembled materials. Analogous to styrenic block polymers in both design and function …

Towards truly sustainable polymers: a metal‐free recyclable polyester from biorenewable non‐strained γ‐butyrolactone

M Hong, EYX Chen - Angewandte Chemie, 2016 - Wiley Online Library
The first effective organopolymerization of the biorenewable “non‐polymerizable” γ‐
butyrolactone (γ‐BL) to a high‐molecular‐weight metal‐free recyclable polyester is reported …

Ionic H-bonding organocatalysts for the ring-opening polymerization of cyclic esters and cyclic carbonates

J Xu, X Wang, J Liu, X Feng, Y Gnanou… - Progress in Polymer …, 2022 - Elsevier
Ring-opening polymerization (ROP) of cyclic monomers is a prevalent and convenient
method for the synthesis of well-defined polymers with initiators/catalysts that promote a …

The quest for converting biorenewable bifunctional α-methylene-γ-butyrolactone into degradable and recyclable polyester: controlling vinyl-addition/ring-opening …

X Tang, M Hong, L Falivene, L Caporaso… - Journal of the …, 2016 - ACS Publications
α-Methylene-γ-butyrolactone (MBL), a naturally occurring and biomass-sourced bifunctional
monomer, contains both a highly reactive exocyclic C C bond and a highly stable five …

Activated monomer mechanism (AMM) in cationic ring-opening polymerization. The origin of the AMM and further development in polymerization of cyclic esters

S Penczek, J Pretula - ACS Macro Letters, 2021 - ACS Publications
The origin of the activated monomer mechanism (AMM) in cationic ring-opening
polymerization (CROP) is described first. Then, conditions leading to the active chain end …

Ring-opening polymerization of γ-lactones and copolymerization with other cyclic monomers

Q Song, C Pascouau, J Zhao, G Zhang… - Progress in Polymer …, 2020 - Elsevier
Triggered by raised environmental awareness and the rising requirements for sustainable
polymers such as degradable or recyclable polymers, studies on ring-opening (co) …

Biodegradable polyhydroxyalkanoates by stereoselective copolymerization of racemic diolides: stereocontrol and polyolefin‐like properties

X Tang, AH Westlie, L Caporaso, L Cavallo… - Angewandte …, 2020 - Wiley Online Library
Bacterial polyhydroxyalkanoates (PHAs) are a unique class of biodegradable polymers
because of their biodegradability in ambient environments and structural diversity enabled …