Aminoalkylating polymer containing plurality of --CO--NH-- amide

Details Aminoalkylating polymer containing plurality of --CO--NH-- amide Aminoalkylating polymer containing plurality of --CO--NH-- amide

1972-08-24

1976-11-30

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

210500M, 260 775A, 260 775C, 260 775CH, 260 78A, 260 78L, 428474, C08G 6948

Patent

active

039948668

ABSTRACT:
A process for aminoalkylating a polymer containing a plurality of ##EQU1## amide groups as integral parts of the main polymer chain is described wherein aminoalkyl groups pendant from said amide groups are formed. The process comprises (a) swelling the polymer, such as Nylon 6, in an acidic swelling agent such as aqueous formic acid; (b) immersing the swollen polymer in a liquid alkylenimine bath such as ethylenimine; (c) heating the alkylenimine treated polymer from about 70.degree. to 140.degree. C; and (d) recovering the polymer from the swelling agent, unreacted alkylenimine, etc. The heating step is preferably done in an atmosphere of the alkylenimine.

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Lee et al., New Linear Polymers, 1967, pp. 133, 134, 139, 153, 154, 161, 173, 176.

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