Concentrating evaporators – Processes
Patent
1994-01-19
1996-07-30
Warden, Robert J.
Concentrating evaporators
Processes
159 23, 159 21, B01D 100
Patent
active
055408133
ABSTRACT:
Methods and apparatus are disclosed for purifying polymerized monovinyl aromatic compounds such as polystyrene by reducing the residual monomer content of the finished polymer, said methods and apparatus including a combination of heat exchangers and devolatilizers used in conjunction with a monovinyl aromatic polymerization reactor system.
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Blackmar Bruce P.
Davis Scott W.
Scates Robert M.
Sosa Jose M.
Weguespack James N.
Caddell Michael J.
Cheairs M. Norwood
Fina Technology, Inc.
Snider Theresa T.
Warden Robert J.
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