Water-dispersible polyurethanes

Details Water-dispersible polyurethanes Water-dispersible polyurethanes

1976-12-02

1980-02-26

Cockeram, H. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

528 76, 528 79, 528 80, C08L 7512, C08G 1878, C08L 7508

Patent

active

041905660

ABSTRACT:
The present invention relates to non-ionic, water-dispersible polyurethanes having a substantially linear molecular structure and lateral polyalkylene oxide polyether chains containing ethylene oxide units characterized in that from about 40 to 95% of the alkylene oxide units of the lateral polyalkylene oxide polyether chains consist of ethylene oxide units and from about 5 to 60% consist of propylene oxide, butylene oxide or styrene oxide, to aqueous dispersions of these non-ionic, water-dispersible polyurethanes and to processes for producing these non-ionic, water-dispersible polyurethanes.

REFERENCES:
patent: 3796678 (1974-03-01), Bartizal
patent: 3894131 (1975-07-01), Speech
patent: 3905929 (1975-09-01), Noll
patent: 3920598 (1975-11-01), Reiff et al.
patent: 3935146 (1976-01-01), Noll et al.
Dieterich et al., J. Oil Col. Chem. Assoc. (1970), 53, pp. 363-379.
Dieterich et al., Advances in Urethane Science & Technology, vol. 4, Technomic Publishing Co., pp. 112-130.

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