Aromatic amine-amides and use as chain-extenders

Details Aromatic amine-amides and use as chain-extenders Aromatic amine-amides and use as chain-extenders

1978-04-13

1980-03-04

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

544 94, 528 73, 260584B, C07C10328, C07C10378, C07C10382, C07C 9904

Patent

active

041917065

ABSTRACT:
Covers certain aromatic-amine amides which comprise the reaction product of a polyoxypropylene polyamine selected from the group consisting of diamines, triamines and mixtures thereof, and having an average molecular weight of 190 to about 3000 and an isatoic anhydride of the formula: ##STR1## where R is selected from the group consisting of hydrogen, alkyl, nitro, halo, hydroxy, amino, and cyano, and n is a number of 1-4. Also covers the use of said compounds as chain-extenders in polyurethane compositions. Such chain-extenders provide for the production of polyurethane elastomers having improved tensile strength, tear strength and elongation properties.

REFERENCES:
patent: 3351659 (1967-11-01), Santilli et al.
patent: 3409668 (1968-11-01), Palazzo et al.
patent: 3654370 (1972-04-01), Yeakey

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