Anionic bulk oligomerization of ethylene and propylene carbonate initiated by bisphenol‐A/base systems

L Soós, G Deák, S Kéki, M Zsuga - Journal of Polymer Science …, 1999 - Wiley Online Library
When the bulk oligomerization of 1, 3‐dioxolan‐2‐one (ethylene carbonate, EC) and 4‐
methyl‐1, 3‐dioxolan‐2‐one (propylene carbonate, PC) with the 2, 2‐bis (4‐hydroxyphenyl) …

Ring-Opening Oligomerization of Propylene Carbonate Initiated by the Bisphenol A/KHCO3 System:  A Matrix-Assisted Laser Desorption/Ionization Mass …

S Kéki, J Török, G Deák, M Zsuga - Macromolecules, 2001 - ACS Publications
The decarboxylation upon oligomerization of propylene carbonate in the presence of the
bisphenol A/KHCO3 initiating system was studied by means of matrix-assisted laser …

Cationic copolymerization of propylene oxide with tetrahydrofuran. VI. Triphenylmethyl hexafluorophosphate as initiator

LP Blanchard, GG Gabra, V Hornof… - Journal of Polymer …, 1975 - Wiley Online Library
Abstract Copolymerizations at− 10 to+ 20° C of propylene oxide (PO) with tetrahydrofuran
(THF) were carried out in 1, 2‐dichloroethane (DCE) under dry, inert atmospheric conditions …

Two‐component initiator systems for the ring‐opening polymerization of oligomeric cyclic bisphenol‐A carbonates: The in situ cleavage of disulfides by …

HO Krabbenhoft, DJ Brunelle… - Journal of applied …, 1997 - Wiley Online Library
A two‐component initiator system based on the in situ cleavage of phenyl disulfide by a
triarylphosphine has been developed for the ring‐opening polymerization of cyclic …

Polycarbonate synthesis by the melt phase carbonate‐ester interchange reaction of bisphenol‐A diacetate with dimethyl carbonate

MM Deshpande, AS Jadhav, AA Gunari… - Journal of Polymer …, 1995 - Wiley Online Library
The molecular weight of polycarbonate formed by the carbonate‐ester interchange reaction
of bisphenol‐A diacetate (BPAC2) and dimethyl carbonate (DMC) was found to depend on …

A new, nonphosgene route to poly (bisphenol a carbonate) by melt‐phase interchange reactions of alkylene diphenyl dicarbonates with bisphenol A

BA Sweileh, YM A‐Hiari… - Journal of applied polymer …, 2008 - Wiley Online Library
This article describes a new, nonphosgene method for the synthesis of poly (bisphenol A
carbonate)(PC). The method involves three steps: the reaction of an aliphatic diol with …

Chemistry of epoxide–polycarbonate copolymer networks

Y Yu, JP Bell - Journal of Polymer Science Part A: Polymer …, 1988 - Wiley Online Library
Diepoxides and in‐chain carbonate groups react readily in the presence of quarternary
ammonium salts, although reaction is not observed without this catalyst. Two moles of …

Organic base catalyzed oligomerization of propylene carbonate and bisphenol A: Unexpected polyether diol formation

M Wu, J Guo, H Jing - Catalysis Communications, 2008 - Elsevier
A useful oligomer of polyether diol was obtained from the oligomerization of propylene
carbonate and bisphenol A initiated by organic base under mild condition. The new …

Polycarbonate‐poly (methyl methacrylate) block copolymers: Synthesis and characterization

ZG Gardlund, MAK Bator - Journal of Polymer Science: Polymer …, 1983 - Wiley Online Library
The interfacial copolymerization of bisphenol A polycarbonate, bisphenol A‐terminated poly‐
(methyl methacrylate), and bisphenol A bischloroformate is described. Monofunctional …

Epoxy− Polycarbonate Blends Catalyzed by a Tertiary Amine. 1. Mechanism of Transesterification and Cyclization

MS Li, CCM Ma, JL Chen, ML Lin, FC Chang - Macromolecules, 1996 - ACS Publications
In the Bisphenol A base polycarbonate− Bisphenol A base epoxy blend system, the
carbonate group can react with epoxide in the presence of a tertiary amine. The …