Crosslinked oxyalkylated polyalkylenepolyamines

Details Crosslinked oxyalkylated polyalkylenepolyamines Crosslinked oxyalkylated polyalkylenepolyamines

1984-12-24

1987-11-10

Kight, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525523, 528 44, 528 66, 528 73, 528 76, 528332, 528341, 528405, 564505, 564504, C08F28300

Patent

active

047058340

ABSTRACT:
Crosslinked oxyalkylated polyalkylenepolyamines which can be obtained by reacting polyalkylenepolyamines, which are completely oxyalkylated at the nitrogen atoms, in each case by from 10 to 300 groups, and possess from 50 to 2,000 repeating alkyleneimine units in the molecule, with from 0.5 to 10% by weight, based on the oxyalkylated polyalkylenepolyamines, of a crosslinking compound which possesses two or more functional groups which are capable of reacting with the terminal alcohol groups of the oxyalkylated polyalkylenepolyamines, and a process for breaking water-in-oil emulsions.

REFERENCES:
patent: 3654370 (1972-04-01), Yeakey
patent: 3684735 (1972-08-01), Oppenlaender et al.
patent: 3907701 (1975-09-01), Liebold et al.
patent: 4436891 (1984-03-01), Umeda et al.

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