Stable polyurethane solutions

Details Stable polyurethane solutions Stable polyurethane solutions

1974-07-01

1976-02-17

Lieberman, Allan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 324, 260 308R, C08K 328, C08K 520

Patent

active

039391116

ABSTRACT:
Viscosity stable polyurethane solutions in polar solvents as N,N-dimethylformamide are obtained when such solutions contain small amounts of ammonium salts of strong acids, such salts include ammonium chloride and nitrate.

REFERENCES:
patent: 3074911 (1963-01-01), Harper
patent: 3726836 (1973-04-01), Nakahara et al.
patent: 3743620 (1973-07-01), Frye

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