Process for decolorizing polyethylene polyamines with a chlorina

Details Process for decolorizing polyethylene polyamines with a chlorina Process for decolorizing polyethylene polyamines with a chlorina

1985-01-04

1986-09-02

Bashore, S. Leon

Distillation: processes, separatory

Addition of material to distilland to inhibit or prevent...

203 67, 203 91, 202205, 564498, B01D 310, C07C 8700

Patent

active

046094369

ABSTRACT:
A process for decolorizing polyethylene polyamines using a chlorinated hydrocarbon. The discolored polyethylene polyamine and chlorinated hydrocarbon are contacted to form a decolorizing mixture, and the mixture is distilled. The decolored polyethylene polyamine is collected from the distillate.

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patent: 3595921 (1971-07-01), Pitts
patent: 3723529 (1973-03-01), Pitts et al.
patent: 3919054 (1975-11-01), Hands
patent: 4032411 (1977-06-01), Tornquist et al.
patent: 4217308 (1980-08-01), Bernady et al.
patent: 4264770 (1981-04-01), Scapini et al.

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