Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From aldehyde or derivative thereof as reactant
Patent
1974-10-11
1978-08-08
Phynes, Lucille M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From aldehyde or derivative thereof as reactant
528249, 528250, 526 64, C08G 210
Patent
active
041056370
ABSTRACT:
A process for producing a polyacetal polymer. The process includes reacting a polyacetal forming polymerization mixture in a polymerization reaction zone, which zone includes an elongated casing substantially following the outer boundaries of at least a pair of shafts, each of the shafts provided with a plurality of intermeshing elliptical shaped plates having flattened edges at the major axis which mesh, wiping the surface of its mating plate. The polymerization mixture is polymerized to form a polyacetal product in the form of a finely divided solid.
REFERENCES:
patent: 3253818 (1966-05-01), Seddon et al.
patent: 3254053 (1966-05-01), Fisher et al.
patent: 3442866 (1969-05-01), Seddon et al.
Braunstein David M.
Semanchik Michael
Bressler Marvin
Celanese Corporation
Grim Linn I.
Morgan T. J.
Phynes Lucille M.
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