Coated polymerization reactors and polymerization therein

B - Operations – Transporting – 01 – J

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402/1, 402/397,

B01J 19/02 (2006.01) C08F 2/00 (2006.01) C08F 2/22 (2006.01) C08F 14/06 (2006.01)

Patent

CA 1264410

ABSTRACT OF THE DISCLOSURE Anionic water soluble carboxyl-containing po- lymers, deposited and dried on polymerization reactor surfaces exposed to polymerization mixtures, substan- tially reduce or eliminate undesirable polymer build-up on reactor surfaces during aqueous polymerization of vinylidene monomers, even when the amount of carboxyl- containing polymers deposited on the reactor surfaces is in an amount as small as at least one ppm of mono- mers being polymerized, providing a layer on the poly- merization surfaces as thin as about 0.1 to about one or more microns in thickness.

494060

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