Solidification of liquids with polyhexamethylenimine

Details Solidification of liquids with polyhexamethylenimine Solidification of liquids with polyhexamethylenimine

1980-03-04

1982-01-05

Briggs, Sr., Wilbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 312N, 260 336R, 260 338R, 252316, 525417, 525540, 528422, C08L 7900

Patent

active

043093248

ABSTRACT:
A process is provided for producing polyhexamethylenimine by condensing hexamethylenediamine at 50.degree. to 300.degree. C. in the presence of a palladium catalyst. The process yields substantially linear, high-molecular-weight polyhexamethylenimines, especially novel polyhexamethylenimines having a molecular weight of at least 1,000. Polyhexamethylenimines having a molecular weight of at least 500 are useful as gelling agents for organic liquids.

REFERENCES:
patent: 3516944 (1970-06-01), Litt et al.
patent: 4007128 (1977-02-01), Poklacki

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