N,N'-bis(1,1-dioxohydrothienyl)diaminoalkanes

Details N,N'-bis(1,1-dioxohydrothienyl)diaminoalkanes N,N'-bis(1,1-dioxohydrothienyl)diaminoalkanes

1974-11-06

1976-03-23

Winters, Sherman D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 25AM, 260 75NH, 260 775AM, 2603321, C07D33366

Patent

active

039460380

ABSTRACT:
Certain N,N'-bis(1,1-dioxohydrothienyl)diamino-alkanes, e.g., N,N'-bis(1,1-dioxotetrahydro-3-thienyl)-1,2-diaminopropane, useful as chain extenders for poly-urethanes, especially high resiliency, flexible poly-urethane foams.

REFERENCES:
patent: 2666762 (1954-01-01), Cusic
patent: 2666763 (1954-01-01), Cusic
patent: 3196163 (1965-07-01), Argyle et al.
patent: 3887503 (1975-06-01), Mao

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