Highly efficient and selective synthesis of methyl carbonate-ended polycarbonate precursors from dimethyl carbonate and bisphenol A

H An, Z Yang, K Bi, F Xu, F Huo, C Li… - Industrial & …, 2020 - ACS Publications
In this work, metal acetylacetonates were used to catalyze the reaction of dimethyl carbonate
(DMC) and bisphenol A (BPA) and high conversion of BPA and excellent selectivity of …

Synthesis of high-molecular-weight aliphatic polycarbonates from diphenyl carbonate and aliphatic diols by solid base

Z Wang, X Yang, J Li, S Liu, G Wang - Journal of Molecular Catalysis A …, 2016 - Elsevier
Various solid bases were synthesized and used as catalyst for direct transesterification of
diphenyl carbonate (DPC) with aliphatic diols to synthesize high-molecular-weight aliphatic …

Magnesium acetate used as an effective catalyst for synthesizing aliphatic polycarbonates via melt transesterification process

Z Wang, X Yang, S Liu, H Zhang, G Wang - Chemical Research in Chinese …, 2016 - Springer
High-molecular-weight aliphatic polycarbonates (APCs) were synthesized through a two-
step transesterification process under solvent-free conditions. Oligomers with equal …

Making polycarbonates without employing phosgene: An overview on catalytic chemistry of intermediate and precursor syntheses for polycarbonate

WB Kim, UA Joshi, JS Lee - Industrial & engineering chemistry …, 2004 - ACS Publications
Conventional production of aromatic polycarbonates (PCs) involves interfacial
polycondensation between phosgene (COCl2) and bisphenol A (BPA). This COCl2 process …

Synthesis of high-molecular-weight aliphatic polycarbonates by organo-catalysis

J Sun, D Kuckling - Polymer Chemistry, 2016 - pubs.rsc.org
Aliphatic polycarbonates have attracted significant attention for biomedical application over
the last few years due to their biodegradability, low toxicity and good biocompatibility …

Sustainable synthesis and characterization of a bisphenol A-free polycarbonate from a six-membered dicyclic carbonate

P Wang, JH Park, M Sayed, TS Chang, A Moran… - Polymer …, 2018 - pubs.rsc.org
A bisphenol A (2, 2-bis (4-hydroxyphenyl) propane, BPA)-free polycarbonate (PC) from a six-
membered di-cyclic carbonate, di-trimethylolpropane di-cyclic carbonate (DTMPC), was …

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 …

Synthesis of Polycarbonate Diols(PCDLs) via Two-step Process Using CH3COONa as an Effective Catalyst

M Song, X Yang, G Wang - Chemical Research in Chinese Universities, 2018 - Springer
Polycarbonate diols (PCDLs) with a number average molecular weight (M n) of 2800 and a
narrow polydispersity index (PDI= 1.33) were synthesized from dimethyl carbonate (DMC) …

Efficient synthesis of dimethyl carbonate from methanol, propylene oxide and CO 2 catalyzed by recyclable inorganic base/phosphonium halide-functionalized …

JS Tian, CX Miao, JQ Wang, F Cai, Y Du, Y Zhao… - Green …, 2007 - pubs.rsc.org
The cycloaddition of propylene oxide and CO2 to form propylene carbonate promoted by a
phosphonium salt covalently bound to polyethylene glycol (PEG), and the transesterification …

Comparison of polycarbonate precursors synthesized from catalytic reactions of bisphenol‐A with diphenyl carbonate, dimethyl carbonate, or carbon monoxide

WB Kim, JS Lee - Journal of applied polymer science, 2002 - Wiley Online Library
Transesterification of bisphenol‐A with diphenyl carbonate or dimethyl carbonate, and direct
oxidative carbonylation of bisphenol‐A were compared to obtain polycarbonate precursors …