2-Acrylamido- and 2-methacrylamido-2-methyl propanephosphonic ac

Details 2-Acrylamido- and 2-methacrylamido-2-methyl propanephosphonic ac 2-Acrylamido- and 2-methacrylamido-2-methyl propanephosphonic ac

1984-04-05

1985-07-02

Evans, J. E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

528271, 528362, 528363, 210700, 2605024R, 260543P, C07F 938, C08G 6300, C08G 6344

Patent

active

045267286

ABSTRACT:
2-(Meth)acrylamido-2-methylpropanephosphonic acid is prepared by reaction of 2-methylprop-1-ene-1-phosphonic acid or 2-methylpro-2-ene-1-phosphonic acid with (meth)acrylonitrile in the presence of an equimolar amount of a strong acid. The compounds are suitable as such or in the form of their salts as comonomer for the manufacture of copolymers, which are used inter alia as dyeing auxiliaries and as scale inhibitors.

REFERENCES:
patent: 2993067 (1961-07-01), Magerlein et al.
patent: 3812221 (1974-05-01), Braden et al.
patent: 4213969 (1980-07-01), Baylis et al.

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