Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1999-06-11
2000-11-07
Szekely, Peter A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
523340, C08F27902
Patent
active
061438332
ABSTRACT:
A method and apparatus for use in making high impact polystyrene by polymerizing butadiene into polybutadiene, continuously exchanging styrene monomer for the solvent used to produce the polybutadiene, and polymerizing the resultant polybutadiene/styrene solution into high impact polystyrene. Apparatus is disclosed that includes butadiene and solvent preparation means, additive metering means, butadiene polymerization means, solvent exchange means, solvent recovery means and styrene polymerization means.
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Berti Doug
Klussmann Brad
Nguyen Thanh
Schweinle Jon
Sosa Jose
Fina Technology, Inc.
Szekely Peter A.
Wheelington Jim D.
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