Process for the preparation of stable aqueous dispersions of oli

Details Process for the preparation of stable aqueous dispersions of oli Process for the preparation of stable aqueous dispersions of oli

1980-07-08

1981-12-22

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 6, 260 9, 260 18TN, 260 28R, 260 292M, 260 292TN, 260 292EP, 260 292E, 260 294R, 428473, 528 48, 528 85, C08L 126

Patent

active

043069983

ABSTRACT:
A process is provided for preparing storage stable, aqueous dispersions of oligourethanes or polyurethanes in admixture with auxiliary agents and additives which are not soluble nor dispersible in water. The oligourethanes or polyurethanes are rendered dispersible in water by incorporating ionic and/or non-ionic hydrophilic groups. In order that the final product remains storage stable, the auxiliary agents or additives are added to the oligourethanes or polyurethanes before they are dispersed in water.

REFERENCES:
patent: 3479310 (1969-11-01), Dieterich et al.
patent: 3756992 (1973-09-01), Dieterich
patent: 3816168 (1974-06-01), Lewis et al.
patent: 3823102 (1974-07-01), Elmer et al.
patent: 3834936 (1974-09-01), Schroer et al.
patent: 3923713 (1975-12-01), Hermann
patent: 3988278 (1976-10-01), Bartizal
patent: 4048001 (1977-09-01), Remley
patent: 4066818 (1978-01-01), Junge et al.
patent: 4094842 (1978-06-01), Wenzel et al.
patent: 4108814 (1978-08-01), Reiff et al.
D. Dieterich et al., Angew Chem. vol. 9, (1970) pp. 40-50 "Polyurethane Ionomers, a New Class of Block Polymers".

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