Pfeiffer et al., Journal fur praktische Chemie (Leipzig 1954), 1937, vol. <2>149, p. 217,247
作者:Pfeiffer et al.
DOI:——
日期:——
Boghaei, Davar M.; Mohebi, Sajjad, Journal of Chemical Research - Part S, 2002, # 2, p. 72 - 75
作者:Boghaei, Davar M.、Mohebi, Sajjad
DOI:——
日期:——
PURIFICATION OF POLYCARBONATES
申请人:Cherian Anna E.
公开号:US20110201779A1
公开(公告)日:2011-08-18
The present disclosure provides, in part, a method for removing a catalyst from a product of catalyzed aliphatic polycarbonate polymerization reaction.
ALIPHATIC POLYCARBONATE QUENCH METHOD
申请人:Allen Scott D.
公开号:US20110207899A1
公开(公告)日:2011-08-25
The present disclosure is directed to, in part, an aliphatic polycarbonate polymerization reaction initiated by combining an epoxide with carbon dioxide in the presence of a catalytic transition metal-ligand complex to form a reaction mixture, and further quenching that polymerization reaction by contacting the reaction mixture with an acid containing a non-nucleophilic anion produces a crude polymer solution with improved stability and processability.