Polyether polyureides and resinous compositions therefrom

Details Polyether polyureides and resinous compositions therefrom Polyether polyureides and resinous compositions therefrom

1976-06-28

1979-05-15

Cockeram, H. S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

260552R, 260553R, 528 76, 528363, 528367, C08G 7102, C08G 1864, C07C12700, C07C15702

Patent

active

041547241

ABSTRACT:
Novel polyether polyureides useful in the manufacture of plastics, sealants, molds, foams and coatings. The novel composition comprises a ureido-terminated polyoxyalkylene prepared by reacting a primary amine-terminated polyoxyalkylene with urea at temperatures in the range from about 120.degree. C. to about 150.degree. C. in a molar ratio of about one mole of urea for each terminal primary amino group.

REFERENCES:
patent: 3080343 (1963-03-01), Ham
patent: 3704321 (1972-11-01), Kmet et al.
patent: 3996269 (1976-12-01), Markiewicz
patent: 4002598 (1977-01-01), Waddill et al.

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