C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 64/24 (2006.01) C08G 64/30 (2006.01)
Patent
CA 2092288
2092288 9303084 PCTABS00019 A process for the preparation of a polycarbonate comprising reacting a diaryl carbonate with a bisphenol to produce a polycarbonate and a phenol, regenerating the diaryl carbonate by reacting the phenol byproduct with a carbonyl halide, and optionally recycling the hydrogen halide using a metal Redox R captive halogen swing reactor system.
Myers Harold D.
Tuinstra Hendrik E.
Smart & Biggar
The Dow Chemical Company
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