Polyurethanes cured with derivatives of 2,4-diamino-benzoic acid

Details Polyurethanes cured with derivatives of 2,4-diamino-benzoic acid Polyurethanes cured with derivatives of 2,4-diamino-benzoic acid

1972-09-15

1977-10-18

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75NQ, 260 775AM, 260 775AQ, 260 25AM, C08G 1832, C08G 1814

Patent

active

040545563

ABSTRACT:
Polyurethane/polyurea compositions comprising the reaction product of an organic diisocyanate, a glycol having a molecular weight of 500-5000 and a derivative of 2,4-diaminobenzoic acid selected from C.sub.1 -C.sub.8 alkyl and substituted alkyl esters, the amide, alkyl substitued amides, the anilide, substituted anilides, the nitrile and mixtures thereof.

REFERENCES:
patent: 3194793 (1965-07-01), Kogon
patent: 3428610 (1969-02-01), Klebert
patent: 3456037 (1969-07-01), Hoeschele
patent: 3681290 (1972-08-01), Meckel et al.
patent: 3794621 (1974-02-01), Meckel et al.
Deutsche Offenlegungschrift, 1,963,190, Dietrich et al. (Bayer AG) June 24, 1941.
DOS, 2,025,900, Bayer A/G, 12-2-1971.
Belgium, 767,746, equivalent of Bayer having an effective date 10-18-1971.
Offenlegungschrift, 2,025,900 (Germany) Bayer A/G, Dec. 2, 1971.

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