Process for polymerization of ethylene

Details Process for polymerization of ethylene Process for polymerization of ethylene

1976-02-09

1977-08-16

Holler, Alan

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

Synthetic resins

Polymerizing in tubular or loop reactor

C08F 1002, C08F 1000

Patent

active

040427676

ABSTRACT:
A method for avoiding decomposition of ethylene during polymerization in a tube form reactor having one or more side branches opening into the reactor wherein the diameter of the side branches is made to be not greater than about 12 mm and a flow number is maintained at between about 0.20 m.sup.2 /sec. and 0.55 m.sup.2 /sec, the flow number being defined as the product of the internal diameter of the tube reactor and the rate of flow of the reactant through the reactor. Flow numbers greater than 0.55 m.sup.2 /sec can be used as long as the diameter of the side branches is reduced to not more than 10 mm.

REFERENCES:
patent: 3628918 (1971-12-01), Beals et al.

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