Process for the performance of chemical reactions, more particul

Details Process for the performance of chemical reactions, more particul Process for the performance of chemical reactions, more particul

1984-08-29

1986-09-16

Michl, Paul R.

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

Synthetic resins

Polymerizing in two or more physically distinct zones

526 88, C08F 202

Patent

active

046123555

ABSTRACT:
The invention relates to a process for the performance of chemical reactions, more particularly for the production of plastics by means of extruders. The conveying path in the extruder is subdivided into different temperature zones whose temperature can be adjusted independently of one another. As a result, numerous chemical reactions can be performed in a controlled and continuous manner. The invention also relates to an apparatus for the performance of the process, the corresponding extruders having separately temperable casing compartments and being equipped with independent tempering devices. Application to chemical reactors for light to medium production runs.

REFERENCES:
patent: 2693348 (1954-11-01), Ellermann et al.
patent: 3727678 (1973-04-01), Schott, Jr.
patent: 3744770 (1973-07-01), Ocker et al.
patent: 4272466 (1981-06-01), Harris
patent: 4487897 (1984-12-01), Matsuoka et al.
Extrusion of Plastics, Fisher, 1964, pp. 114-126.
Plastics Extrusion Technology, Griff, 1968, pp. 324-325.

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