Reactor for continuous polymerization in a high viscosity medium

The title reactor, of simple construction and suppressing segregation and overheating, consists of a tube filled with static mixing elements, sepd. into a 1st segment which is sepd. by a recirculating pump from the 2nd and 3rd segments, which form a piston-flow reactor. Thus, the polymn. of styrene in such a reactor with the 1st segment and recycle loop at 158 Deg and recycle ratio 10 gave a 60% conversion to polystyrene [9003-53-6] with no.-av. mol. wt. 93,000, polydispersity 1.9, viscosity of the polymn. medium .apprx.10 Pa-s, and energy consumption 0.00073 kW-h/kg. [on SciFinder (R)]


Year:
1983
Publisher:
(Sulzer, Gebr., A.-G., Switz.).
Keywords:
Note:
CAN 100:86343
35-9
Chemistry of Synthetic High Polymers
Patent
written in German.
19831221
9003-53-6P Role: IMF (Industrial manufacture), PREP (Preparation) (manuf. of, by continuous bulk polymn., app. for)
Designated States R: AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE.
A1
CH
82-3410
19820603
Patent number(s):
Laboratories:




 Record created 2006-04-18, last modified 2018-01-27


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