Suspension polymerization of haloethylene compound
AssigneeKureha Kagaku Kogyo Kabushiki Kaisha
InventorsKunizoh Kidoh, Hideki Wakamori
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Abstract
A suspension polymerization of a haloethylene compound or a mixture of a haloethylene compound and a comonomer thereof is carried out in an aqueous medium containing a suspending agent and an oil soluble catalyst, by coating or incorporating at least one of a water soluble or organic solvent soluble lignin derivative.
Claims4
In a suspension polymerization of a haloethylene compound or a mixture of a haloethylene compound and a comonomer thereof in a aqueous medium containing a suspending agent and an oil soluble catalyst in a reactor, an improvement characterized by coating a water soluble or organic solvent soluble lignin derivative on an inner surface of said reactor or a surface of equipment contained within said reactor or by incorporating said lignin derivative in said aqueous medium at a concentration of 1 to 100 ppm based on said haloethylene compound.
In a suspension polymerization of a haloethylene compound or a mixture of a haloethylene compound and a comonomer thereof in an aqueous medium containing a suspending agent and an oil soluble catalyst in a reactor, an improvement characterized by coating a water soluble or organic solvent soluble lignin derivative on an inner surface of said reactor or a surface of equipment contained within said reactor.
Dependencies are inferred from the claim text.