3-(Hydroxyhydrocarbylsecondaryamino)thiophene 1,1-dioxides and p

Details 3-(Hydroxyhydrocarbylsecondaryamino)thiophene 1,1-dioxides and p 3-(Hydroxyhydrocarbylsecondaryamino)thiophene 1,1-dioxides and p

1975-02-24

1978-08-22

Siegel, A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 334UR, C07D33348, C08K 505

Patent

active

041088689

ABSTRACT:
Chain extended polyurethanes are prepared, using certain 3-(hydroxyhydrocarbylsecondaryamino)thiophene 1,1-dioxides, some of which are new chemicals. E.g., 3-(2-hydroxypropylamino)tetrahydrothiophene 1,1-dioxide is especially useful as a chain extender for high resiliency, flexible polyurethane foams.

REFERENCES:
patent: 2460995 (1949-02-01), Mortenson
patent: 3098793 (1963-07-01), Loev

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