DECOLORIZATION OF POLYETHYLENE POLYAMINES
A process is provided for decolorizing "polyethylene polyamines," such as triethylenetetramine, and higher homologues, such as tetraethylenepentamine, by treatment with active carbon at elevated temperatures followed by distillation.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A process is provided for decolorizing "polyethylene polyamines," such as triethylenetetramine, and higher homologues, such as tetraethylenepentamine, by treatment with active carbon at elevated temperatures followed by distillation. |
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