C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/320
C08G 75/02 (2006.01) C08G 75/20 (2006.01)
Patent
CA 1311083
Abstract A process is provided for the production of aromatic sulfide/sulfone polymers which involves contacting under suitable polymerization reaction conditions: (1) at least one dihaloaromatic sulfone, (2) at least one organic amide, (3) at least one alkali metal hydrosulfide, (4) water, and (5) at least one member selected from the group consisting of (a) alkali metal carbonates and (b) mixtures of alkali metal carbonates with alkali metal hydroxides wherein said mixtures have at least about 0.5 mole percent alkali metal carbonate.
573459
Hoover Kenneth C.
Nesheiwat Afif M.
Scoggins Lacey E.
Shang Wei-Teh W.
Hoover Kenneth C.
Nesheiwat Afif M.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
Scoggins Lacey E.
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