Polymerization of isobutylene

Details Polymerization of isobutylene Polymerization of isobutylene

1982-04-07

1983-08-23

Levin, Stanford M.

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

Synthetic resins

Removing and recycling removed material from an ongoing...

5263487, 585517, 585520, 585532, C08F 414

Patent

active

044004931

ABSTRACT:
In the continuous catalytic polymerization of isobutylene, the exothermic heat of reaction is removed by vaporizing unreacted hydrocarbons, compressing and condensing the vaporized hydrocarbons to yield a liquid condensate at a pressure and temperature higher than that in the reaction zone, reducing the pressure on the liquid condensate to reduce its temperature to that of the reaction zone, separating any vapors thus formed and recycling the liquid condensate to the reaction zone. The process provides an energy efficient means of controlling reaction zone temperature. The process can be employed when using either a fluidized or fixed bed catalytic system.

REFERENCES:
patent: 2957930 (1960-10-01), Jackson
patent: 3119884 (1964-01-01), Allen et al.

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