Method and apparatus for the continuous production of high-molec

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Organic polymerization

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366 83, 422131, 422135, 422229, 425204, B01F 726, B01J 1400

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active

045914877

ABSTRACT:
Apparatus for the continuous production of high molecular polymers in which a plurality of parallel screw shafts coupled together for rotary movement in the same direction within a casing are partially disposed in trough-like recesses in the casing wall and enclose a devolatilization chamber having an opening for connection to a vacuum and forming an extrusion unit with the casing and in which the shafts carry spaced noncircular kneading disks oriented in staggered relationship on the shaft axes with the disks of adjacent shafts meshing to scrape the substance to be treated from each other.

REFERENCES:
patent: 2563396 (1951-08-01), Colombo
patent: 2814472 (1957-11-01), Erdmenger
patent: 2942294 (1960-06-01), Reifenhauser
patent: 3216706 (1965-11-01), Loomans
patent: 3442065 (1969-05-01), Foras
patent: 4040607 (1977-08-01), Ullrich
patent: 4107787 (1978-08-01), Ocker
Article "Schneckenmaschinen in der Verfahrenstechnick"of Herrmann, Springer Verlag 1972, pp. 35 (next to last para.), 120, 154 to 157, 163.
Periodical "Chemie-Ingenieur-Technik", 1964, pp. 177 to 179 and 184 (FIG. 27).
Publication "KS-Information Kurzmitteilung Nr. 18" of a German Company (Werner & Pfleiderer), published 1972, p. 6.

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