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AssigneeExxon Research & Engineering Co.
InventorsRonald C. Kowalski, William M. Davis, Neil F. Newman, Z. Andrew Foroulis, Francis P. Baldwin
Estimating the term…
In a process for the continuous halogenation of polymers by contacting polymer and halogenating agent in a continuous flow device in which means are provided for disengaging reaction by-products and unreacted halogenating agent from the reaction mixture, by deforming and disrupting the halogenated polymer surface and injecting an inert gas into the halogenated polymers immediately after reaction thereby neutralizing the product. In a preferred embodiment the process is carried out in an extruder-reactor and an optional, supplementary inert gas scrubbing zone is included. The process is amenable to saturated and unsaturated polymers.
A process for the continuous production of halogenated polymer, the process comprising contacting a cohesive polymer mass and halogenating agent in a continuous flow device comprising means for conveying said polymer through said device wherein by-product of the halogenation reaction and unreacted halogenating agent are disengaged from said halogenated polymer mass in said continuous flow device downstream of said contact between said polymer and said halogenating agent by means comprising deforming and disrupting said halogenated polymer, thereby continually generating new polymer surface and injecting an effective amount of inert gas thereby neutralizing said halogenated polymer by disengaging halogenation reaction by-products and unreacted halogenating agent.
A process for the continuous production of halogenated polymer, the process comprising reacting said polymer and a halogenating agent in an extruder-reactor, said extruder-reactor comprising zones (A), (B) and (C) and conveying means traversing said zones;
Dependencies are inferred from the claim text.