Modern mass spectrometry in the characterization and degradation of biodegradable polymers

P Rizzarelli, S Carroccio - Analytica chimica acta, 2014 - Elsevier
In the last decades, the solid-waste management related to the extensively growing
production of plastic materials, in concert with their durability, have stimulated increasing …

Recent advances on tailor-made titanium catalysts for biopolymer synthesis

E Le Roux - Coordination Chemistry Reviews, 2016 - Elsevier
After years of influence of titanium-based Ziegler–Natta catalysts on “petropolymers”
synthesis, titanium complexes are experiencing a resurgence in research efforts as …

Heterodinuclear titanium/zinc catalysis: synthesis, characterization and activity for CO 2/epoxide copolymerization and cyclic ester polymerization

JA Garden, AJP White, CK Williams - Dalton Transactions, 2017 - pubs.rsc.org
The preparation of heterodinuclear complexes, especially those comprising early-late
transition metals coordinated by a simple or symmetrical ancillary ligand, represents a …

Use of titanocalix [4] arenes in the ring opening polymerization of cyclic esters

Z Sun, Y Zhao, O Santoro, MRJ Elsegood… - Catalysis Science & …, 2020 - pubs.rsc.org
The known dichloride complexes [TiCl2L (O) 2 (OR) 2](type I: R= Me (1), n-Pr (2) and n-
pentyl (3); L (OH) 2 (OR) 2= 1, 3-dialkyloxy-p-tert-butylcalix [4] arene), together with the new …

Aluminum methyl and chloro complexes bearing monoanionic aminephenolate ligands: synthesis, characterization, and use in polymerizations

N Ikpo, SM Barbon, MW Drover, LN Dawe… - …, 2012 - ACS Publications
A series of aluminum methyl and chloride complexes bearing 2 (N-piperazinyl-N′-methyl)-
2-methylene-4-R′-6-R-phenolate or 2 (N-morpholinyl)-2-methylene-4-R′-6-R-phenolate …

Ring-opening polymerization of ε-caprolactone by lithium piperazinyl-aminephenolate complexes: synthesis, characterization and kinetic studies

N Ikpo, C Hoffmann, LN Dawe, FM Kerton - Dalton Transactions, 2012 - pubs.rsc.org
A series of lithium complexes were prepared from 2 (N-piperazinyl-N′-methyl)-2-methylene-
4-R′-6-R-phenols ([ONN] RR′) and characterized through elemental analysis, 1H and …

Room‐Temperature Lewis Acid Organocatalysts for Bulk Ring‐Opening Polymerization of Bis‐Lithium N‐Heterocyclic Carbenes Complexes Activated on ε …

N Cheechana, N Akkravijitkul, N Khamto… - Macromolecular …, 2023 - Wiley Online Library
This work investigates the high catalytic activity of bi‐functional lithium N‐heterocyclic
carbene (bisLiNHCs) complexes in bulk ring‐opening polymerization (ROP) of ε …

Phosphazene functionalized silsesquioxane-based porous polymer as thermally stable and reusable catalyst for bulk ring-opening polymerization of ε-caprolactone

YA Piskun, EA Ksendzov, AV Resko, MA Soldatov… - Polymers, 2023 - mdpi.com
The bulk ring-opening polymerization (ROP) of ε-caprolactone using phosphazene-
containing porous polymeric material (HPCP) has been studied at high reaction …

Aluminum complexes with sulfur containing pyridine based ligands: Synthesis, structure and catalysis

AI Fedulin, YF Oprunenko, AR Egorov… - Journal of …, 2024 - Elsevier
Abstract New pyridinyl SN-bi-(1) and SNS-tridentate (3) ligands were obtained by
hydrothiolation of substituted alkenes with thioacetic acid. A number of these, as well as the …

Titanium complexes of pyrrolylaldiminate ligands and their exploitation for the ring-opening polymerization of cyclic esters

K Upitak, W Wattanathana, T Nanok, P Chuawong… - Dalton …, 2021 - pubs.rsc.org
A series of six-coordinate titanium complexes 1–6 supported by pyrrolylaldiminate ligands
were prepared via the reaction of 2 equivalents of ligands and Ti (OiPr) 4 in toluene at 70° C …