Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in reactor of specified material – or in reactor...
Patent
1976-09-30
1979-01-30
Levin, Stanford M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymerizing in reactor of specified material, or in reactor...
422135, 422241, 526 84, 528499, C08F 628
Patent
active
041373871
ABSTRACT:
In the polymerization under pressure of liquid olefin to polyolefin using a Ziegler type catalyst in which the reaction mass, comprising a mixture of catalyst and polyolefin dissolved in liquid monomer, is mixed in a mixer with water to kill the catalyst and reaction after which the highly corrosive aqueous solution of Ziegler catalyst is separated from the monomer and dissolved polymer in a settling tank; lining the inner wall of the mixer and/or settling tank and/or any other part of the equipment coming into contact with the aqueous Ziegler catalyst solution with an acid resistant brick lining having an intermediate membrane lining between it and such inner wall and in which the mortar of the brick lining is a carbon-filled furan polymer, in which the membrane is a fiber glass reinforced furan polymer and in which the brick lining is cemented to the membrane and the membrane is cemented to the inner wall by a carbon-filled furan polymer adhesive.
REFERENCES:
patent: 2899433 (1959-08-01), Robinson et al.
The Condensed Chemical Dictionary, Eighth Ed., (1971), p. 405.
Lewis Peter J.
Miserlis Constantine D.
Bronstein Sewall P.
Levin Stanford M.
The Badger Company, Inc.
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