Method for purifying methacrylamidopropyl trimethylammonium chlo

Details Method for purifying methacrylamidopropyl trimethylammonium chlo Method for purifying methacrylamidopropyl trimethylammonium chlo

1984-06-29

1985-05-14

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

560218, C07C10344

Patent

active

045173800

ABSTRACT:
Methacrylamidopropyl trimethylammonium chloride and similar quaternized aminoalkyl esters or aminoalkylamides of acrylic acid or methacrylic acid are purified by extraction of an aqueous solution thereof with dichloromethane to remove impurities, such as allyl methacrylamide, which may be formed by a Hofmann degradation of the compounds.

REFERENCES:
patent: 3878247 (1975-04-01), Moss et al.
patent: 3907891 (1975-09-01), Guilbault et al.
patent: 4206143 (1980-06-01), Wenzel et al.
patent: 4375558 (1983-03-01), McEntire et al.

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