Process for producing ethylene polymers in tubular reactor

Details Process for producing ethylene polymers in tubular reactor Process for producing ethylene polymers in tubular reactor

1975-03-17

1979-09-18

Holler, Alan

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

Synthetic resins

Polymerizing in tubular or loop reactor

526 88, 5263522, C08F 1002, C08F 428, C08F 434, C08F 404

Patent

active

041683552

ABSTRACT:
A continuous process for producing polyethylene or copolymers of ethylene with other copolymerizable compounds at a pressure of at least 1,000 kg/cm.sup.2 in a tubular reactor under steady conditions without imposing on the polymerization system flow pulses, while keeping the monomer conversion at 35% or lower and the melt index of the polymer at 0.1 or more.

REFERENCES:
patent: 3201380 (1965-08-01), Schmidt-Thomee et al.
patent: 3293233 (1966-12-01), Erchak, Jr. et al.
patent: 3317504 (1967-05-01), Kinkel et al.
patent: 3334081 (1967-08-01), Madgwick et al.
patent: 3373148 (1968-03-01), Mackie et al.
patent: 3628918 (1971-12-01), Beals et al.
patent: 3654253 (1972-04-01), Steigerwald et al.
patent: 3702845 (1972-11-01), Steigerwald et al.
patent: 3714135 (1973-01-01), Pfannmueller et al.
patent: 3842060 (1974-10-01), McDonald et al.
Albright, L. F., "High-Pressure Processes for Polymerizing Ethylene", Chemical Engineering, Dec. 19, 1966, pp. 113-120.

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