[HTML][HTML] Upcycling of BPA-PC into trimethylene carbonate by solvent assisted organocatalysed depolymerisation

I Olazabal, E Luna, S De Meester, C Jehanno… - Polymer …, 2023 - pubs.rsc.org
In this study, a solvent assisted organocatalysed method for the depolymerisation of
bisphenol A-based polycarbonate (BPA-PC) at low temperature is described. It is shown that …

Organocatalytic depolymerization of poly (trimethylene carbonate)

K Fukushima, Y Watanabe, T Ueda… - Journal of Polymer …, 2022 - Wiley Online Library
Aliphatic polycarbonates have attracted attention as degradable and sustainable materials
contributing to the circular plastic economy. Their chemical recycling has not been …

[HTML][HTML] Chemical upcycling of poly (bisphenol A carbonate) to vinylene carbonates through organocatalysis

K Onida, M Fayad, S Norsic, O Boyron, N Duguet - Green Chemistry, 2023 - pubs.rsc.org
The chemical depolymerisation of poly (bisphenol A carbonate)(BPA-PC) was studied using
α-hydroxyketones as nucleophiles to give bisphenol A as the original monomer and the …

Organo-catalyzed synthesis of aliphatic polycarbonates in solvent-free conditions

PU Naik, K Refes, F Sadaka, CH Brachais, G Boni… - Polymer …, 2012 - pubs.rsc.org
A new efficient and expeditious route to the synthesis of aliphatic polycarbonates, in solvent-
free conditions and using 1-n-butyl-3-methylimidazolium-2-carboxylate (BMIM-2-CO2) as a …

Depolymerization of poly (bisphenol A carbonate) under mild conditions by solvent-free alcoholysis catalyzed by 1, 8-diazabicyclo [5.4. 0] undec-7-ene as a recyclable …

E Quaranta, D Sgherza, G Tartaro - Green Chemistry, 2017 - pubs.rsc.org
DBU (1, 8-diazabicyclo [5.4. 0] undec-7-ene) is an active catalyst of poly (bisphenol A
carbonate)(PC) alcoholysis and promotes selectively and quantitatively the solvent-free (no …

Depolymerization of Poly (1, 2‐propylene carbonate) via Ring Closing Depolymerization and Methanolysis

C Alberti, D Rijono, M Wehrmeister, E Cheung… - …, 2022 - Wiley Online Library
The conversion of end‐of‐life plastics to useful chemicals can contribute to a resource‐
conserving and environmental‐benign society. In this regard, we studied the …

Chemical modification of bisphenol a polycarbonate by reactive blending with ethylene carbonate

M Colonna, C Berti, M Fiorini - Journal of Applied Polymer …, 2014 - Wiley Online Library
ABSTRACT A new method for the insertion of aliphatic moieties into bisphenol A (BPA)
polycarbonate (PC) by reactive blending with ethylene carbonate (ETC) has been …

New Catalysts for Bisphenol A Polycarbonate Melt Polymerisation, 2. Polymer Synthesis and Characterisation

VN Ignatov, V Tartari, C Carraro… - Macromolecular …, 2001 - Wiley Online Library
The synthesis of Bisphenol A polycarbonate (PC) via melt transesterification of diphenyl
carbonate and Bisphenol A in the presence of different catalysts was studied in a batch …

[HTML][HTML] A silica-supported organocatalyst for polycarbonate methanolysis under mild and economic conditions

Z Fehér, R Németh, J Kiss, B Balterer… - Chemical Engineering …, 2024 - Elsevier
In the pursuit of circular economies aimed at eliminating waste and pollution, chemical
recycling emerges as a promising avenue for transforming plastics into monomers. This …

Alkali-catalyzed methanolysis of polycarbonate. A study on recycling of bisphenol A and dimethyl carbonate

LC Hu, A Oku, E Yamada - Polymer, 1998 - Elsevier
Alkali-catalyzed methanolysis of poly [2, 2-bis (4-hydroxyphenyl) propane carbonate](PC) in
a mixed solvent of methanol (MeOH) and toluene or dioxane was studied. Treatment of PC …