Process for converting polymer solutions into granules

Details Process for converting polymer solutions into granules Process for converting polymer solutions into granules

1982-11-22

1986-02-04

Lacey, David L.

Concentrating evaporators

Preliminary heaters and heat economizers

159 44, 159DIG10, 23313R, 264117, 264121, 264 12, 264 15, B01D 118

Patent

active

045684189

ABSTRACT:
Thermoplastic polymer solutions in organic solvents are converted to granules of relatively uniform sizes and a narrow distribution range by passing the polymer solution through a jet nozzle to form a high velocity stream, injecting super heated steam into the high velocity stream to form a suspension of fine polymer particulates in a gas stream, passing the particulates into a heated agglomeration tube having a series of adjoining circular turns of at least 180.degree. wherein the particulates are substantially completely agglomerated into granules and the granules are recovered from the gas stream.

REFERENCES:
patent: 3508339 (1970-04-01), Neblett et al.
patent: 4212967 (1980-07-01), Govoni et al.

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