Aqueous polyurethane dispersions from solvent-free prepolymers u

Details Aqueous polyurethane dispersions from solvent-free prepolymers u Aqueous polyurethane dispersions from solvent-free prepolymers u

1977-03-14

1978-08-22

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 294R, 260849, 528 71, C08G 1812, C08G 1838, C08G 1884

Patent

active

041088140

ABSTRACT:
This invention relates to a process for the production of water dispersible polyurethanes by reacting polyisocyanates with sulphonate group containing diols. The sulphonate diols have the general formula: ##STR1## WHEREIN A and B, which may be the same or different, each represents a divalent aliphatic hydrocarbon group containing from 1 to 6 carbon atoms,

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patent: 3461103 (1969-08-01), Keberle et al.
patent: 3479310 (1969-11-01), Dieterich et al.
patent: 3756992 (1973-09-01), Dieterich et al.
patent: 3796678 (1974-03-01), Bartizal
patent: 3879450 (1975-04-01), Velker et al.

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