Rigid polyurethane foams employing oxyalkylated ethylenediamine

Details Rigid polyurethane foams employing oxyalkylated ethylenediamine Rigid polyurethane foams employing oxyalkylated ethylenediamine

1985-01-14

1986-04-29

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521175, C08G 1814

Patent

active

045858071

ABSTRACT:
The invention relates to rigid polyurethane foams prepared by reacting a polyether polyol other than one derived from ethylenediamine, an alkylene oxide adduct of ethylenediamine, catalyst, surfactant, and blowing agent, and an organic polyisocyanate. The compositions are useful for producing insulation panels.

REFERENCES:
patent: 3091551 (1963-05-01), Robertson
patent: 3471416 (1969-10-01), Fijal
patent: 3499009 (1970-03-01), Odinak et al.
patent: 3686101 (1972-08-01), Davis et al.
patent: 4209609 (1980-06-01), Haas
patent: 4374209 (1983-02-01), Rowlands

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