Polyurethane prepolymers based on oleochemical polyols

Details Polyurethane prepolymers based on oleochemical polyols Polyurethane prepolymers based on oleochemical polyols

1984-05-08

1985-04-02

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 521129, 521156, 521172, 521173, 524 96, 524100, 524247, 524251, 528 745, C08G 1834

Patent

active

045088535

ABSTRACT:
Polyurethane prepolymers containing terminal isocyanate groups in which oleochemical polyols are present as the polyol component. The oleochemical polyols are ring opened products or partial ring-opened products of epoxidized fatty acid triglycerides with alcohols. The use of oleochemical polyols having a residual epoxide number of from 1.0 to 4.0% by weight of epoxide oxygen is preferred. The polyurethane prepolymers are particularly suitable for use in one-component or two-component polyurethane foam formulations.

REFERENCES:
patent: 3699061 (1972-10-01), Cunningham
Saunders & Frisch, "Polyurethanes: Chemistry and Technology", Vol. XVI of High Polymer Series, Interscience Publishers, Part I, (1962), Part II, (1964).
Ser. No. 561,627, 12/15/83, Meffert.

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