Non-fouling liquid nitrogen cooled polymerization process

Details Non-fouling liquid nitrogen cooled polymerization process Non-fouling liquid nitrogen cooled polymerization process

1988-01-20

1990-04-03

Schofer, Joseph L.

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

Synthetic resins

Effecting a change in a polymerization process in response...

526 59, 526 74, 526236, 526237, 526238, 5263487, 528393, 528425, C08F 202, C08F 206

Patent

active

049141660

ABSTRACT:
A non-fouling economical liquid cooled cryogenic polymerization process is disclosed for essentially olefinic monomers. The heat of cooling and polymerization is removed by evaporation of the liquid nitrogen and the nitrogen vapors eliminate the need for moisture traps and drying agents to block the in flow of said moisture.

REFERENCES:
patent: 2474670 (1949-06-01), Hersberger et al.
patent: 2485454 (1949-10-01), Nelson et al.
J. Roussel, The Use of Liquid Nitrogen for Heat Control of Chemical Reactions, Chimie et Industrie-Genie Chimique, 106(7), 483-493, (1973).
Nassler, "Experimental Techniques for Low-Boiling Solvents", in the Chem. of Non-Aqueous Solvents, J. Lagowski (ed.), Academic Press, N.Y., (1966), p. 218.

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