Ethylene-vinyl acetate copolymerization process

Details Ethylene-vinyl acetate copolymerization process Ethylene-vinyl acetate copolymerization process

1977-03-23

1978-05-23

Levin, Stanford M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

526 68, 526331, C08F 600, C08F 626

Patent

active

040912000

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 a hindered phenolic compound, separating unreacted monomer from the mixture of copolymer, unreacted monomer and scavenger in a separation zone and recycling the separated monomer to the reactor.

REFERENCES:
patent: 3466265 (1969-09-01), Alexander et al.
patent: 3509115 (1970-04-01), French

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