Process for recovery of a polymer formed by reacting...

Details Process for recovery of a polymer formed by reacting... Process for recovery of a polymer formed by reacting...

C - Chemistry, Metallurgy

08

G

402/320, 402/349

C08G 79/04 (2006.01) C08J 3/14 (2006.01)

Patent

CA 1080398

PROCESS FOR FORMING POLYMERS Abstract of the Disclosure The recovery of a polymer product formed by con- densing an organo-phosphonic acid dichloride or dibromide, a dihydroxy aromatic compound and, optionally, a crosslink- ing monomer in an organic solvent reaction medium, as a granular solid is accomplished by combining said organic solvent containing the polymer product and an aqueous solution which contains an effective amount of suspending agent to later induce precipitation of said polymer product and by thereafter agitating the solution while removing the solvent therefrom to affect precipitation of said granular polymer product.

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