Novel substituted polyamides and process for producing them

Details Novel substituted polyamides and process for producing them Novel substituted polyamides and process for producing them

1974-06-04

1976-07-20

Bleutge, John C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

195 63, 195 68, 195DIG11, 260 6, 260 78SC, C08G 6950, C08G 1800

Patent

active

039705978

ABSTRACT:
Novel substituted polyamides of the general formula ##EQU1## wherein A and B, which may be identical or different, are the hydrocarbon backbone groups of the formula --(CH.sub.2).sub.n --, where n is an integer, R.sub.2 and R.sub.3 are the residues of an aldehyde R.sub.2 --CHO or of an isocyanide R.sub.3 --N.tbd.C, where R.sub.2 and R.sub.3 are aliphatic, aromatic or heterocyclic residues of the respective aldehyde or isocyanide, or where R.sub.3 is a chromophoric moiety. R.sub.2 and R.sub.3 can be substituted, and amongst the possible substituents there may be R.sub.3 designating --(CH.sub.2).sub.n --NHCO--CHR.sub.2 --N(CO)(R.sub.4)--X, where R.sub.4 is the residue of a monocarboxylic or dicarboxylic acid and X is the lysyl residue of a protein, which may be biologically active, or the residue of a low-molecular weight compound containing a primary amine moiety. Preferred polyamides are various types of nylons. Amongst proteins chemically bound to the polyamide there may be mentioned enzymes, antibodies and peptide hormones. When R.sub.3 is a chromophoric moiety, the product is a chemically dyed polyamide. The invention relates also to a process for the production of such novel substituted polyamides.

REFERENCES:
patent: 2659713 (1953-11-01), Magat
patent: 3558562 (1971-01-01), Kramm

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