Production of branched arylene sulfide polymers

Details Production of branched arylene sulfide polymers Production of branched arylene sulfide polymers

C - Chemistry, Metallurgy

08

G

402/344

C08G 75/02 (2006.01)

Patent

CA 1087347

PRODUCTION OF BRANCHED ARYLENE SULFIDE POLYMERS Abstract of the Disclosure A method is provided for producing branched arylene sulfide polymers by contacting at least one p-dihalobenzene, at least one polyhalo aromatic compound having more than two halogen substituents per molecule, at least one alkali metal sulfide, at least one lithium carboxylate or lithium chloride, N-methyl-2-pyrrolidone, and at least one alkali metal hydroxide. The use of the polyhalo aromatic compound, which is employed in minor amounts, results in a polymer of reduced melt flow, which, without prior curing, can be molded, extruded, or spun into fibers.

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