Process for the continuous polymerization or copolymerization of

Details Process for the continuous polymerization or copolymerization of Process for the continuous polymerization or copolymerization of

1982-12-10

1983-10-25

Phynes, Lucille M.

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

Synthetic resins

From aldehyde or derivative thereof as reactant

528270, C08G 210

Patent

active

044120672

ABSTRACT:
Trioxane homo-or copolymerizate is produced by continuously feeding the liquid starting material to be polymerized into a mixer in which there is present a powdered to granular oxymethylene homopolymer or copolymer which is fluidized to form a fluidized bed, the speed of feeding, catalyst concentration and polymerization temperature are coordinated to each other in suitable manner and after a polymerization reaction of at least 70 percent polymerizate is continuously or cyclically discharged from the mixer serving as reactor.

REFERENCES:
patent: 3299003 (1967-01-01), Bader et al.
patent: 3423363 (1969-01-01), Fournel
patent: 3845160 (1974-10-01), Bader et al.
patent: 4045415 (1977-08-01), Sextro et al.
patent: 4343929 (1982-08-01), Sugio et al.
patent: 4366305 (1982-12-01), Amemiya et al.
Kraft, "Feststoffmescher", Verfahrstechnik 3 (1969), pp. 344-352.
"Kunststoff-Handbuch", vol. XI, pp. 13-18 & 21-23, Carl Hanswer Verlag, Munich (1971).

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