Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Effecting a change in a polymerization process in response...
Patent
1987-11-04
1989-02-07
Pal, Asok
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Effecting a change in a polymerization process in response...
526 62, 526 74, 526 78, 585524, C08F 200, C08F 234, C08F 238
Patent
active
048032514
ABSTRACT:
A method for reducing sheeting during polymerization of alpha-olefins by feeding either a positive charge generating or negative charge generating chemical additive to the reactor responsive to particular static levels in the reactor. The chemical additive is added in amounts which neutralize the charges in the reactor.
REFERENCES:
patent: 4532311 (1985-07-01), Fulks
Geldard and Boland, "Electrostatic Charging in Gas Fluidization Beds", Power Technology, 5 (1971-72).
"Reduction of Particle Agglomeration in a Fluidizing Gas Stream in the Presence of a Radiofrequency Glow Discharge", I&EG Fund, 1980, 19, 315-316.
Geldart, Boland & Al-Salim, "Static Electrification in Fluidized Beds", Chem. Eng. Sci., 1969, vol. 24, pp. 1389-1390.
Pohl, H. A., "Nonuniform Field Effects: Dielectrophoresis", Chapter 14, Electrostatics and Its Application, Moore, Wiley, Pub. 1973.
Masuda, Komatsu, Mitsui and Iinoya, "Electrification of Gas Solid Suspensions Flowing in Steel and Insulating-Cooled Pipes", Journal of Electrostatics 2 (1976/1977), 341-350.
Goode Mark G.
Hasenberg Daniel M.
McNeil Thomas J.
Spriggs Thomas E.
Pal Asok
Union Carbide Corporation
Vicari Clement J.
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