C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/509
C08F 210/02 (2006.01) C08F 6/00 (2006.01)
Patent
CA 1106546
ETHYLENE-VINYL ACETATE COPOLYMERIZATION PROCESS ABSTRACT In the production of ethylene-vinyl acetate copolymers in a free radical catalyst initiated high pressure process, explosive decomposition is prevented by contacting the reactor effluent downstream of the reactor outlet with small amounts of free radical scavenger such as a hindered phenolic compound, separat- ing unreacted monomer from the mixture of copolymer, un- reacted monomer and scavenger in a separation zone and recycling the separated monomer to the reactor. -i-
298609
El Paso Polyolefins Company
Gowling Lafleur Henderson Llp
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