Method of producing betaines, monomers and polymers containing b

Details Method of producing betaines, monomers and polymers containing b Method of producing betaines, monomers and polymers containing b

1972-02-07

1977-03-15

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260243B, 2602472R, 2602472B, 260268R, 26032643, 26029387, 260 47R, 260486R, 26050113, 526303, 526260, C07C10124, C07C 6554

Patent

active

040124371

ABSTRACT:
An improved method is provided for producing polymers of organic compounds, such as ethylenically unsaturated monomers, containing a betaine-type group of the formula: ##STR1## The method involves the reaction of acrylic acid or aqueous methyl acrylate and an aminoalkyl (meth)acrylate or an N-amino-alkyl (meth)acrylamide having a basic tertiary nitrogen atom in the presence of a free radical initiator. The monomers undergo vinyl addition polymerization to form valuable polymers having a wide variety of uses, such as flocculants, retention aids in the deposition of polymers, pigments, etc. on the fibers in a paper pulp, e.g., in the formation of mineral-filled papers.

REFERENCES:
patent: 2777872 (1957-01-01), Shacklett

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