Process for the improvement of the homogeneity of highly reactiv

Details Process for the improvement of the homogeneity of highly reactiv Process for the improvement of the homogeneity of highly reactiv

1987-08-27

1988-11-29

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

62 63, 62 64, 62380, 264143, 26421113, 26421118, 425 71, 425325, 523149, 523307, 528481, B29C 3516, B29C 4788

Patent

active

047880171

ABSTRACT:
The homogeneity of highly reactive polycondensates is improved in a process involving batch operations in a reactor, followed by extrusion and then cooling by a coolant to the point of solidification after which the polycondensates are milled and removed. The cooling is carried out with a low-boiling liquified gas.

REFERENCES:
patent: 3038205 (1962-06-01), Plummer
patent: 3277656 (1966-10-01), Bill et al.
patent: 3609805 (1971-10-01), Fritsch
patent: 3734415 (1973-05-01), Franz et al.
patent: 4137025 (1979-01-01), Graves et al.
patent: 4212171 (1980-07-01), Soecknick
patent: 4397158 (1983-08-01), Brenik et al.
patent: 4696779 (1987-09-01), Wideman

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